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10.1609/aaai.v33i01.3301459
Robust Online Matching with User Arrival Distribution Drift
https://ojs.aaai.org/index.php/AAAI/article/view/3818
https://ojs.aaai.org/index.php/AAAI/article/download/3818/3696
[ "Yu-Hang Zhou", "Chen Liang", "Nan Li", "Cheng Yang", "Shenghuo Zhu", "Rong Jin" ]
Recently, online matching problems have attracted much attention due to its emerging applications in internet advertising. Most existing online matching methods have adopted either adversarial or stochastic user arrival assumption, while on both of them significant limitation exists. The adversarial model does not expl...
main
AI and the Web
10.1609/aaai.v33i01.3301459
33
01
459-466
official
null
null
10.1609/aaai.v33i01.3301305
VistaNet: Visual Aspect Attention Network for Multimodal Sentiment Analysis
https://ojs.aaai.org/index.php/AAAI/article/view/3799
https://ojs.aaai.org/index.php/AAAI/article/download/3799/3677
[ "Quoc-Tuan Truong", "Hady W. Lauw" ]
Detecting the sentiment expressed by a document is a key task for many applications, e.g., modeling user preferences, monitoring consumer behaviors, assessing product quality. Traditionally, the sentiment analysis task primarily relies on textual content. Fueled by the rise of mobile phones that are often the only came...
main
AI and the Web
10.1609/aaai.v33i01.3301305
33
01
305-312
official
null
null
10.1609/aaai.v33i01.3301313
UGSD: User Generated Sentiment Dictionaries from Online Customer Reviews
https://ojs.aaai.org/index.php/AAAI/article/view/3800
https://ojs.aaai.org/index.php/AAAI/article/download/3800/3678
[ "Chun-Hsiang Wang", "Kang-Chun Fan", "Chuan-Ju Wang", "Ming-Feng Tsai" ]
Customer reviews on platforms such as TripAdvisor and Amazon provide rich information about the ways that people convey sentiment on certain domains. Given these kinds of user reviews, this paper proposes UGSD, a representation learning framework for constructing domain-specific sentiment dictionaries from online custo...
main
AI and the Web
10.1609/aaai.v33i01.3301313
33
01
313-320
official
null
null
10.1609/aaai.v33i01.3301321
Community Detection in Social Networks Considering Topic Correlations
https://ojs.aaai.org/index.php/AAAI/article/view/3801
https://ojs.aaai.org/index.php/AAAI/article/download/3801/3679
[ "Yingkui Wang", "Di Jin", "Katarzyna Musial", "Jianwu Dang" ]
Network contents including node contents and edge contents can be utilized for community detection in social networks. Thus, the topic of each community can be extracted as its semantic information. A plethora of models integrating topic model and network topologies have been proposed. However, a key problem has not be...
main
AI and the Web
10.1609/aaai.v33i01.3301321
33
01
321-328
official
null
null
10.1609/aaai.v33i01.3301329
Community Focusing: Yet Another Query-Dependent Community Detection
https://ojs.aaai.org/index.php/AAAI/article/view/3802
https://ojs.aaai.org/index.php/AAAI/article/download/3802/3680
[ "Zhuo Wang", "Weiping Wang", "Chaokun Wang", "Xiaoyan Gu", "Bo Li", "Dan Meng" ]
As a major kind of query-dependent community detection, community search finds a densely connected subgraph containing a set of query nodes. As density is the major consideration of community search, most methods of community search often find a dense subgraph with many vertices far from the query nodes, which are not ...
main
AI and the Web
10.1609/aaai.v33i01.3301329
33
01
329-337
official
null
null
10.1609/aaai.v33i01.3301338
Multi-Level Deep Cascade Trees for Conversion Rate Prediction in Recommendation System
https://ojs.aaai.org/index.php/AAAI/article/view/3803
https://ojs.aaai.org/index.php/AAAI/article/download/3803/3681
[ "Hong Wen", "Jing Zhang", "Quan Lin", "Keping Yang", "Pipei Huang" ]
Developing effective and efficient recommendation methods is very challenging for modern e-commerce platforms. Generally speaking, two essential modules named “ClickThrough Rate Prediction” (CTR) and “Conversion Rate Prediction” (CVR) are included, where CVR module is a crucial factor that affects the final purchasing ...
main
AI and the Web
10.1609/aaai.v33i01.3301338
33
01
338-345
official
1805.09484
title_snapshot
10.1609/aaai.v33i01.3301346
Session-Based Recommendation with Graph Neural Networks
https://ojs.aaai.org/index.php/AAAI/article/view/3804
https://ojs.aaai.org/index.php/AAAI/article/download/3804/3682
[ "Shu Wu", "Yuyuan Tang", "Yanqiao Zhu", "Liang Wang", "Xing Xie", "Tieniu Tan" ]
The problem of session-based recommendation aims to predict user actions based on anonymous sessions. Previous methods model a session as a sequence and estimate user representations besides item representations to make recommendations. Though achieved promising results, they are insufficient to obtain accurate user ve...
main
AI and the Web
10.1609/aaai.v33i01.3301346
33
01
346-353
official
1811.00855
title_snapshot
10.1609/aaai.v33i01.3301354
CISI-net: Explicit Latent Content Inference and Imitated Style Rendering for Image Inpainting
https://ojs.aaai.org/index.php/AAAI/article/view/3805
https://ojs.aaai.org/index.php/AAAI/article/download/3805/3683
[ "Jing Xiao", "Liang Liao", "Qiegen Liu", "Ruimin Hu" ]
Convolutional neural networks (CNNs) have presented their potential in filling large missing areas with plausible contents. To address the blurriness issue commonly existing in the CNN-based inpainting, a typical approach is to conduct texture refinement on the initially completed images by replacing the neural patch i...
main
AI and the Web
10.1609/aaai.v33i01.3301354
33
01
354-362
official
null
null
10.1609/aaai.v33i01.3301363
Structured and Sparse Annotations for Image Emotion Distribution Learning
https://ojs.aaai.org/index.php/AAAI/article/view/3806
https://ojs.aaai.org/index.php/AAAI/article/download/3806/3684
[ "Haitao Xiong", "Hongfu Liu", "Bineng Zhong", "Yun Fu" ]
Label distribution learning methods effectively address the label ambiguity problem and have achieved great success in image emotion analysis. However, these methods ignore structured and sparse information naturally contained in the annotations of emotions. For example, emotions can be grouped and ordered due to their...
main
AI and the Web
10.1609/aaai.v33i01.3301363
33
01
363-370
official
null
null
10.1609/aaai.v33i01.3301371
Multi-Interactive Memory Network for Aspect Based Multimodal Sentiment Analysis
https://ojs.aaai.org/index.php/AAAI/article/view/3807
https://ojs.aaai.org/index.php/AAAI/article/download/3807/3685
[ "Nan Xu", "Wenji Mao", "Guandan Chen" ]
As a fundamental task of sentiment analysis, aspect-level sentiment analysis aims to identify the sentiment polarity of a specific aspect in the context. Previous work on aspect-level sentiment analysis is text-based. With the prevalence of multimodal user-generated content (e.g. text and image) on the Internet, multim...
main
AI and the Web
10.1609/aaai.v33i01.3301371
33
01
371-378
official
null
null
10.1609/aaai.v33i01.3301379
Multi-View Information-Theoretic Co-Clustering for Co-Occurrence Data
https://ojs.aaai.org/index.php/AAAI/article/view/3808
https://ojs.aaai.org/index.php/AAAI/article/download/3808/3686
[ "Peng Xu", "Zhaohong Deng", "Kup-Sze Choi", "Longbing Cao", "Shitong Wang" ]
Multi-view clustering has received much attention recently. Most of the existing multi-view clustering methods only focus on one-sided clustering. As the co-occurring data elements involve the counts of sample-feature co-occurrences, it is more efficient to conduct two-sided clustering along the samples and features si...
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AI and the Web
10.1609/aaai.v33i01.3301379
33
01
379-386
official
1905.10594
title_snapshot
10.1609/aaai.v33i01.3301395
Adversarial Training for Community Question Answer Selection Based on Multi-Scale Matching
https://ojs.aaai.org/index.php/AAAI/article/view/3810
https://ojs.aaai.org/index.php/AAAI/article/download/3810/3688
[ "Xiao Yang", "Madian Khabsa", "Miaosen Wang", "Wei Wang", "Ahmed Hassan Awadallah", "Daniel Kifer", "C. Lee Giles" ]
Community-based question answering (CQA) websites represent an important source of information. As a result, the problem of matching the most valuable answers to their corresponding questions has become an increasingly popular research topic. We frame this task as a binary (relevant/irrelevant) classification problem, ...
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AI and the Web
10.1609/aaai.v33i01.3301395
33
01
395-402
official
1804.08058
title_snapshot
10.1609/aaai.v33i01.3301403
TransNFCM: Translation-Based Neural Fashion Compatibility Modeling
https://ojs.aaai.org/index.php/AAAI/article/view/3811
https://ojs.aaai.org/index.php/AAAI/article/download/3811/3689
[ "Xun Yang", "Yunshan Ma", "Lizi Liao", "Meng Wang", "Tat-Seng Chua" ]
Identifying mix-and-match relationships between fashion items is an urgent task in a fashion e-commerce recommender system. It will significantly enhance user experience and satisfaction. However, due to the challenges of inferring the rich yet complicated set of compatibility patterns in a large e-commerce corpus of f...
main
AI and the Web
10.1609/aaai.v33i01.3301403
33
01
403-410
official
1812.10021
title_snapshot
10.1609/aaai.v33i01.3301411
Data Augmentation Based on Adversarial Autoencoder Handling Imbalance for Learning to Rank
https://ojs.aaai.org/index.php/AAAI/article/view/3812
https://ojs.aaai.org/index.php/AAAI/article/download/3812/3690
[ "Qian Yu", "Wai Lam" ]
Data imbalance is a key limiting factor for Learning to Rank (LTR) models in information retrieval. Resampling methods and ensemble methods cannot handle the imbalance problem well since none of them incorporate more informative data into the training procedure of LTR models. We propose a data generation model based on...
main
AI and the Web
10.1609/aaai.v33i01.3301411
33
01
411-418
official
null
null
10.1609/aaai.v33i01.3301419
Cross-Relation Cross-Bag Attention for Distantly-Supervised Relation Extraction
https://ojs.aaai.org/index.php/AAAI/article/view/3813
https://ojs.aaai.org/index.php/AAAI/article/download/3813/3691
[ "Yujin Yuan", "Liyuan Liu", "Siliang Tang", "Zhongfei Zhang", "Yueting Zhuang", "Shiliang Pu", "Fei Wu", "Xiang Ren" ]
Distant supervision leverages knowledge bases to automatically label instances, thus allowing us to train relation extractor without human annotations. However, the generated training data typically contain massive noise, and may result in poor performances with the vanilla supervised learning. In this paper, we propos...
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AI and the Web
10.1609/aaai.v33i01.3301419
33
01
419-426
official
1812.10604
title_snapshot
10.1609/aaai.v33i01.3301427
Text Assisted Insight Ranking Using Context-Aware Memory Network
https://ojs.aaai.org/index.php/AAAI/article/view/3814
https://ojs.aaai.org/index.php/AAAI/article/download/3814/3692
[ "Qi Zeng", "Liangchen Luo", "Wenhao Huang", "Yang Tang" ]
Extracting valuable facts or informative summaries from multi-dimensional tables, i.e. insight mining, is an important task in data analysis and business intelligence. However, ranking the importance of insights remains a challenging and unexplored task. The main challenge is that explicitly scoring an insight or givin...
main
AI and the Web
10.1609/aaai.v33i01.3301427
33
01
427-434
official
1811.05563
title_snapshot
10.1609/aaai.v33i01.3301435
Hierarchical Reinforcement Learning for Course Recommendation in MOOCs
https://ojs.aaai.org/index.php/AAAI/article/view/3815
https://ojs.aaai.org/index.php/AAAI/article/download/3815/3693
[ "Jing Zhang", "Bowen Hao", "Bo Chen", "Cuiping Li", "Hong Chen", "Jimeng Sun" ]
The proliferation of massive open online courses (MOOCs) demands an effective way of personalized course recommendation. The recent attention-based recommendation models can distinguish the effects of different historical courses when recommending different target courses. However, when a user has interests in many dif...
main
AI and the Web
10.1609/aaai.v33i01.3301435
33
01
435-442
official
null
null
10.1609/aaai.v33i01.3301443
Regularizing Neural Machine Translation by Target-Bidirectional Agreement
https://ojs.aaai.org/index.php/AAAI/article/view/3816
https://ojs.aaai.org/index.php/AAAI/article/download/3816/3694
[ "Zhirui Zhang", "Shuangzhi Wu", "Shujie Liu", "Mu Li", "Ming Zhou", "Tong Xu" ]
Although Neural Machine Translation (NMT) has achieved remarkable progress in the past several years, most NMT systems still suffer from a fundamental shortcoming as in other sequence generation tasks: errors made early in generation process are fed as inputs to the model and can be quickly amplified, harming subsequen...
main
AI and the Web
10.1609/aaai.v33i01.3301443
33
01
443-450
official
1808.04064
title_snapshot
10.1609/aaai.v33i01.3301451
Addressing the Under-Translation Problem from the Entropy Perspective
https://ojs.aaai.org/index.php/AAAI/article/view/3817
https://ojs.aaai.org/index.php/AAAI/article/download/3817/3695
[ "Yang Zhao", "Jiajun Zhang", "Chengqing Zong", "Zhongjun He", "Hua Wu" ]
Neural Machine Translation (NMT) has drawn much attention due to its promising translation performance in recent years. However, the under-translation problem still remains a big challenge. In this paper, we focus on the under-translation problem and attempt to find out what kinds of source words are more likely to be ...
main
AI and the Web
10.1609/aaai.v33i01.3301451
33
01
451-458
official
null
null
10.1609/aaai.v33i01.3301387
Context-Aware Self-Attention Networks
https://ojs.aaai.org/index.php/AAAI/article/view/3809
https://ojs.aaai.org/index.php/AAAI/article/download/3809/3687
[ "Baosong Yang", "Jian Li", "Derek F. Wong", "Lidia S. Chao", "Xing Wang", "Zhaopeng Tu" ]
Self-attention model has shown its flexibility in parallel computation and the effectiveness on modeling both long- and short-term dependencies. However, it calculates the dependencies between representations without considering the contextual information, which has proven useful for modeling dependencies among neural ...
main
AI and the Web
10.1609/aaai.v33i01.3301387
33
01
387-394
official
1902.05766
title_snapshot
10.1609/aaai.v33i01.3301241
Unsupervised Neural Machine Translation with SMT as Posterior Regularization
https://ojs.aaai.org/index.php/AAAI/article/view/3791
https://ojs.aaai.org/index.php/AAAI/article/download/3791/3669
[ "Shuo Ren", "Zhirui Zhang", "Shujie Liu", "Ming Zhou", "Shuai Ma" ]
Without real bilingual corpus available, unsupervised Neural Machine Translation (NMT) typically requires pseudo parallel data generated with the back-translation method for the model training. However, due to weak supervision, the pseudo data inevitably contain noises and errors that will be accumulated and reinforced...
main
AI and the Web
10.1609/aaai.v33i01.3301241
33
01
241-248
official
1901.04112
title_snapshot
10.1609/aaai.v33i01.3301249
Mining Entity Synonyms with Efficient Neural Set Generation
https://ojs.aaai.org/index.php/AAAI/article/view/3792
https://ojs.aaai.org/index.php/AAAI/article/download/3792/3670
[ "Jiaming Shen", "Ruiliang Lyu", "Xiang Ren", "Michelle Vanni", "Brian Sadler", "Jiawei Han" ]
Mining entity synonym sets (i.e., sets of terms referring to the same entity) is an important task for many entity-leveraging applications. Previous work either rank terms based on their similarity to a given query term, or treats the problem as a two-phase task (i.e., detecting synonymy pairs, followed by organizing t...
main
AI and the Web
10.1609/aaai.v33i01.3301249
33
01
249-256
official
1811.07032
title_snapshot
10.1609/aaai.v33i01.3301257
Surveys without Questions: A Reinforcement Learning Approach
https://ojs.aaai.org/index.php/AAAI/article/view/3793
https://ojs.aaai.org/index.php/AAAI/article/download/3793/3671
[ "Atanu R Sinha", "Deepali Jain", "Nikhil Sheoran", "Sopan Khosla", "Reshmi Sasidharan" ]
The ‘old world’ instrument, survey, remains a tool of choice for firms to obtain ratings of satisfaction and experience that customers realize while interacting online with firms. While avenues for survey have evolved from emails and links to pop-ups while browsing, the deficiencies persist. These include - reliance on...
main
AI and the Web
10.1609/aaai.v33i01.3301257
33
01
257-264
official
2006.06323
title_snapshot
10.1609/aaai.v33i01.3301265
ATP: Directed Graph Embedding with Asymmetric Transitivity Preservation
https://ojs.aaai.org/index.php/AAAI/article/view/3794
https://ojs.aaai.org/index.php/AAAI/article/download/3794/3672
[ "Jiankai Sun", "Bortik Bandyopadhyay", "Armin Bashizade", "Jiongqian Liang", "P. Sadayappan", "Srinivasan Parthasarathy" ]
Directed graphs have been widely used in Community Question Answering services (CQAs) to model asymmetric relationships among different types of nodes in CQA graphs, e.g., question, answer, user. Asymmetric transitivity is an essential property of directed graphs, since it can play an important role in downstream graph...
main
AI and the Web
10.1609/aaai.v33i01.3301265
33
01
265-272
official
1811.00839
title_snapshot
10.1609/aaai.v33i01.3301273
Learning from Web Data Using Adversarial Discriminative Neural Networks for Fine-Grained Classification
https://ojs.aaai.org/index.php/AAAI/article/view/3795
https://ojs.aaai.org/index.php/AAAI/article/download/3795/3673
[ "Xiaoxiao Sun", "Liyi Chen", "Jufeng Yang" ]
Fine-grained classification is absorbed in recognizing the subordinate categories of one field, which need a large number of labeled images, while it is expensive to label these images. Utilizing web data has been an attractive option to meet the demands of training data for convolutional neural networks (CNNs), especi...
main
AI and the Web
10.1609/aaai.v33i01.3301273
33
01
273-280
official
null
null
10.1609/aaai.v33i01.3301281
Meimei: An Efficient Probabilistic Approach for Semantically Annotating Tables
https://ojs.aaai.org/index.php/AAAI/article/view/3796
https://ojs.aaai.org/index.php/AAAI/article/download/3796/3674
[ "Kunihiro Takeoka", "Masafumi Oyamada", "Shinji Nakadai", "Takeshi Okadome" ]
Given a large amount of table data, how can we find the tables that contain the contents we want? A naive search fails when the column names are ambiguous, such as if columns containing stock price information are named “Close” in one table and named “P” in another table.One way of dealing with this problem that has be...
main
AI and the Web
10.1609/aaai.v33i01.3301281
33
01
281-288
official
null
null
10.1609/aaai.v33i01.3301289
DeepTileBars: Visualizing Term Distribution for Neural Information Retrieval
https://ojs.aaai.org/index.php/AAAI/article/view/3797
https://ojs.aaai.org/index.php/AAAI/article/download/3797/3675
[ "Zhiwen Tang", "Grace Hui Yang" ]
Most neural Information Retrieval (Neu-IR) models derive query-to-document ranking scores based on term-level matching. Inspired by TileBars, a classical term distribution visualization method, in this paper, we propose a novel Neu-IR model that handles query-to-document matching at the subtopic and higher levels. Our ...
main
AI and the Web
10.1609/aaai.v33i01.3301289
33
01
289-296
official
1811.00606
title_snapshot
10.1609/aaai.v33i01.3301297
Entity Alignment between Knowledge Graphs Using Attribute Embeddings
https://ojs.aaai.org/index.php/AAAI/article/view/3798
https://ojs.aaai.org/index.php/AAAI/article/download/3798/3676
[ "Bayu Distiawan Trisedya", "Jianzhong Qi", "Rui Zhang" ]
The task of entity alignment between knowledge graphs aims to find entities in two knowledge graphs that represent the same real-world entity. Recently, embedding-based models are proposed for this task. Such models are built on top of a knowledge graph embedding model that learns entity embeddings to capture the seman...
main
AI and the Web
10.1609/aaai.v33i01.3301297
33
01
297-304
official
null
null
10.1609/aaai.v33i01.3301232
Multi-Perspective Relevance Matching with Hierarchical ConvNets for Social Media Search
https://ojs.aaai.org/index.php/AAAI/article/view/3790
https://ojs.aaai.org/index.php/AAAI/article/download/3790/3668
[ "Jinfeng Rao", "Wei Yang", "Yuhao Zhang", "Ferhan Ture", "Jimmy Lin" ]
Despite substantial interest in applications of neural networks to information retrieval, neural ranking models have mostly been applied to “standard” ad hoc retrieval tasks over web pages and newswire articles. This paper proposes MP-HCNN (Multi-Perspective Hierarchical Convolutional Neural Network), a novel neural ra...
main
AI and the Web
10.1609/aaai.v33i01.3301232
33
01
232-240
official
1805.08159
title_snapshot
10.1609/aaai.v33i01.3301224
DTMT: A Novel Deep Transition Architecture for Neural Machine Translation
https://ojs.aaai.org/index.php/AAAI/article/view/3789
https://ojs.aaai.org/index.php/AAAI/article/download/3789/3667
[ "Fandong Meng", "Jinchao Zhang" ]
Past years have witnessed rapid developments in Neural Machine Translation (NMT). Most recently, with advanced modeling and training techniques, the RNN-based NMT (RNMT) has shown its potential strength, even compared with the well-known Transformer (self-attentional) model. Although the RNMT model can possess very dee...
main
AI and the Web
10.1609/aaai.v33i01.3301224
33
01
224-231
official
1812.07807
title_snapshot
10.1609/aaai.v33i01.3301142
Exploiting Background Knowledge in Compact Answer Generation for Why-Questions
https://ojs.aaai.org/index.php/AAAI/article/view/3779
https://ojs.aaai.org/index.php/AAAI/article/download/3779/3657
[ "Ryu Iida", "Canasai Kruengkrai", "Ryo Ishida", "Kentaro Torisawa", "Jong-Hoon Oh", "Julien Kloetzer" ]
This paper proposes a novel method for generating compact answers to open-domain why-questions, such as the following answer, “Because deep learning technologies were introduced,” to the question, “Why did Google’s machine translation service improve so drastically?” Although many works have dealt with why-question ans...
main
AI and the Web
10.1609/aaai.v33i01.3301142
33
01
142-151
official
null
null
10.1609/aaai.v33i01.3301152
Graph Convolutional Networks Meet Markov Random Fields: Semi-Supervised Community Detection in Attribute Networks
https://ojs.aaai.org/index.php/AAAI/article/view/3780
https://ojs.aaai.org/index.php/AAAI/article/download/3780/3658
[ "Di Jin", "Ziyang Liu", "Weihao Li", "Dongxiao He", "Weixiong Zhang" ]
Community detection is a fundamental problem in network science with various applications. The problem has attracted much attention and many approaches have been proposed. Among the existing approaches are the latest methods based on Graph Convolutional Networks (GCN) and on statistical modeling of Markov Random Fields...
main
AI and the Web
10.1609/aaai.v33i01.3301152
33
01
152-159
official
null
null
10.1609/aaai.v33i01.3301160
Incorporating Network Embedding into Markov Random Field for Better Community Detection
https://ojs.aaai.org/index.php/AAAI/article/view/3781
https://ojs.aaai.org/index.php/AAAI/article/download/3781/3659
[ "Di Jin", "Xinxin You", "Weihao Li", "Dongxiao He", "Peng Cui", "Françoise Fogelman-Soulié", "Tanmoy Chakraborty" ]
Recent research on community detection focuses on learning representations of nodes using different network embedding methods, and then feeding them as normal features to clustering algorithms. However, we find that though one may have good results by direct clustering based on such network embedding features, there is...
main
AI and the Web
10.1609/aaai.v33i01.3301160
33
01
160-167
official
null
null
10.1609/aaai.v33i01.3301168
Crawling the Community Structure of Multiplex Networks
https://ojs.aaai.org/index.php/AAAI/article/view/3782
https://ojs.aaai.org/index.php/AAAI/article/download/3782/3660
[ "Ricky Laishram", "Jeremy D. Wendt", "Sucheta Soundarajan" ]
We examine the problem of crawling the community structure of a multiplex network containing multiple layers of edge relationships. While there has been a great deal of work examining community structure in general, and some work on the problem of sampling a network to preserve its community structure, to the best of o...
main
AI and the Web
10.1609/aaai.v33i01.3301168
33
01
168-175
official
null
null
10.1609/aaai.v33i01.3301176
Coupled CycleGAN: Unsupervised Hashing Network for Cross-Modal Retrieval
https://ojs.aaai.org/index.php/AAAI/article/view/3783
https://ojs.aaai.org/index.php/AAAI/article/download/3783/3661
[ "Chao Li", "Cheng Deng", "Lei Wang", "De Xie", "Xianglong Liu" ]
In recent years, hashing has attracted more and more attention owing to its superior capacity of low storage cost and high query efficiency in large-scale cross-modal retrieval. Benefiting from deep leaning, continuously compelling results in cross-modal retrieval community have been achieved. However, existing deep cr...
main
AI and the Web
10.1609/aaai.v33i01.3301176
33
01
176-183
official
1903.02149
title_snapshot
10.1609/aaai.v33i01.3301184
Supervised User Ranking in Signed Social Networks
https://ojs.aaai.org/index.php/AAAI/article/view/3784
https://ojs.aaai.org/index.php/AAAI/article/download/3784/3662
[ "Xiaoming Li", "Hui Fang", "Jie Zhang" ]
The task of user ranking in signed networks, aiming to predict potential friends and enemies for each user, has attracted increasing attention in numerous applications. Existing approaches are mainly extended from heuristics of the traditional models in unsigned networks. They suffer from two limitations: (1) mainly fo...
main
AI and the Web
10.1609/aaai.v33i01.3301184
33
01
184-191
official
null
null
10.1609/aaai.v33i01.3301192
Personalized Question Routing via Heterogeneous Network Embedding
https://ojs.aaai.org/index.php/AAAI/article/view/3785
https://ojs.aaai.org/index.php/AAAI/article/download/3785/3663
[ "Zeyu Li", "Jyun-Yu Jiang", "Yizhou Sun", "Wei Wang" ]
Question Routing (QR) on Community-based Question Answering (CQA) websites aims at recommending answerers that have high probabilities of providing the “accepted answers” to new questions. The existing question routing algorithms simply predict the ranking of users based on query content. As a consequence, the question...
main
AI and the Web
10.1609/aaai.v33i01.3301192
33
01
192-199
official
null
null
10.1609/aaai.v33i01.3301200
Popularity Prediction on Online Articles with Deep Fusion of Temporal Process and Content Features
https://ojs.aaai.org/index.php/AAAI/article/view/3786
https://ojs.aaai.org/index.php/AAAI/article/download/3786/3664
[ "Dongliang Liao", "Jin Xu", "Gongfu Li", "Weijie Huang", "Weiqing Liu", "Jing Li" ]
Predicting the popularity of online article sheds light to many applications such as recommendation, advertising and information retrieval. However, there are several technical challenges to be addressed for developing the best of predictive capability. (1) The popularity fluctuates under impacts of external factors, w...
main
AI and the Web
10.1609/aaai.v33i01.3301200
33
01
200-207
official
null
null
10.1609/aaai.v33i01.3301208
Discrete Social Recommendation
https://ojs.aaai.org/index.php/AAAI/article/view/3787
https://ojs.aaai.org/index.php/AAAI/article/download/3787/3665
[ "Chenghao Liu", "Xin Wang", "Tao Lu", "Wenwu Zhu", "Jianling Sun", "Steven Hoi" ]
Social recommendation, which aims at improving the performance of traditional recommender systems by considering social information, has attracted broad range of interests. As one of the most widely used methods, matrix factorization typically uses continuous vectors to represent user/item latent features. However, the...
main
AI and the Web
10.1609/aaai.v33i01.3301208
33
01
208-215
official
null
null
10.1609/aaai.v33i01.3301216
SNR: Sub-Network Routing for Flexible Parameter Sharing in Multi-Task Learning
https://ojs.aaai.org/index.php/AAAI/article/view/3788
https://ojs.aaai.org/index.php/AAAI/article/download/3788/3666
[ "Jiaqi Ma", "Zhe Zhao", "Jilin Chen", "Ang Li", "Lichan Hong", "Ed H. Chi" ]
Machine learning applications, such as object detection and content recommendation, often require training a single model to predict multiple targets at the same time. Multi-task learning through neural networks became popular recently, because it not only helps improve the accuracy of many prediction tasks when they a...
main
AI and the Web
10.1609/aaai.v33i01.3301216
33
01
216-223
official
null
null
10.1609/aaai.v33i01.330112
Outlier Aware Network Embedding for Attributed Networks
https://ojs.aaai.org/index.php/AAAI/article/view/3763
https://ojs.aaai.org/index.php/AAAI/article/download/3763/3641
[ "Sambaran Bandyopadhyay", "N. Lokesh", "M. N. Murty" ]
Attributed network embedding has received much interest from the research community as most of the networks come with some content in each node, which is also known as node attributes. Existing attributed network approaches work well when the network is consistent in structure and attributes, and nodes behave as expect...
main
AI and the Web
10.1609/aaai.v33i01.330112
33
01
12-19
official
1811.07609
title_snapshot
10.1609/aaai.v33i01.33013
Incorporating Behavioral Constraints in Online AI Systems
https://ojs.aaai.org/index.php/AAAI/article/view/3762
https://ojs.aaai.org/index.php/AAAI/article/download/3762/3640
[ "Avinash Balakrishnan", "Djallel Bouneffouf", "Nicholas Mattei", "Francesca Rossi" ]
AI systems that learn through reward feedback about the actions they take are increasingly deployed in domains that have significant impact on our daily life. However, in many cases the online rewards should not be the only guiding criteria, as there are additional constraints and/or priorities imposed by regulations, ...
main
AI and the Web
10.1609/aaai.v33i01.33013
33
01
3-11
official
1809.05720
title_snapshot
10.1609/aaai.v33i01.330120
Comparative Document Summarisation via Classification
https://ojs.aaai.org/index.php/AAAI/article/view/3764
https://ojs.aaai.org/index.php/AAAI/article/download/3764/3642
[ "Umanga Bista", "Alexander Mathews", "Minjeong Shin", "Aditya Krishna Menon", "Lexing Xie" ]
Thispaperconsidersextractivesummarisationinacomparative setting: given two or more document groups (e.g., separated by publication time), the goal is to select a small number of documents that are representative of each group, and also maximally distinguishable from other groups. We formulate a set of new objective fun...
main
AI and the Web
10.1609/aaai.v33i01.330120
33
01
20-28
official
1812.02171
title_snapshot
10.1609/aaai.v33i01.330129
ColNet: Embedding the Semantics of Web Tables for Column Type Prediction
https://ojs.aaai.org/index.php/AAAI/article/view/3765
https://ojs.aaai.org/index.php/AAAI/article/download/3765/3643
[ "Jiaoyan Chen", "Ernesto Jiménez-Ruiz", "Ian Horrocks", "Charles Sutton" ]
Automatically annotating column types with knowledge base (KB) concepts is a critical task to gain a basic understanding of web tables. Current methods rely on either table metadata like column name or entity correspondences of cells in the KB, and may fail to deal with growing web tables with incomplete meta informati...
main
AI and the Web
10.1609/aaai.v33i01.330129
33
01
29-36
official
1811.01304
title_snapshot
10.1609/aaai.v33i01.330137
Improving One-Class Collaborative Filtering via Ranking-Based Implicit Regularizer
https://ojs.aaai.org/index.php/AAAI/article/view/3766
https://ojs.aaai.org/index.php/AAAI/article/download/3766/3644
[ "Jin Chen", "Defu Lian", "Kai Zheng" ]
One-class collaborative filtering (OCCF) problems are vital in many applications of recommender systems, such as news and music recommendation, but suffers from sparsity issues and lacks negative examples. To address this problem, the state-of-the-arts assigned smaller weights to unobserved samples and performed low-ra...
main
AI and the Web
10.1609/aaai.v33i01.330137
33
01
37-44
official
null
null
10.1609/aaai.v33i01.330145
Answer Identification from Product Reviews for User Questions by Multi-Task Attentive Networks
https://ojs.aaai.org/index.php/AAAI/article/view/3767
https://ojs.aaai.org/index.php/AAAI/article/download/3767/3645
[ "Long Chen", "Ziyu Guan", "Wei Zhao", "Wanqing Zhao", "Xiaopeng Wang", "Zhou Zhao", "Huan Sun" ]
Online Shopping has become a part of our daily routine, but it still cannot offer intuitive experience as store shopping. Nowadays, most e-commerce Websites offer a Question Answering (QA) system that allows users to consult other users who have purchased the product. However, users still need to wait patiently for oth...
main
AI and the Web
10.1609/aaai.v33i01.330145
33
01
45-52
official
null
null
10.1609/aaai.v33i01.330153
Dynamic Explainable Recommendation Based on Neural Attentive Models
https://ojs.aaai.org/index.php/AAAI/article/view/3768
https://ojs.aaai.org/index.php/AAAI/article/download/3768/3646
[ "Xu Chen", "Yongfeng Zhang", "Zheng Qin" ]
Providing explanations in a recommender system is getting more and more attention in both industry and research communities. Most existing explainable recommender models regard user preferences as invariant to generate static explanations. However, in real scenarios, a user’s preference is always dynamic, and she may b...
main
AI and the Web
10.1609/aaai.v33i01.330153
33
01
53-60
official
null
null
10.1609/aaai.v33i01.330161
DeepCF: A Unified Framework of Representation Learning and Matching Function Learning in Recommender System
https://ojs.aaai.org/index.php/AAAI/article/view/3769
https://ojs.aaai.org/index.php/AAAI/article/download/3769/3647
[ "Zhi-Hong Deng", "Ling Huang", "Chang-Dong Wang", "Jian-Huang Lai", "Philip S. Yu" ]
In general, recommendation can be viewed as a matching problem, i.e., match proper items for proper users. However, due to the huge semantic gap between users and items, it’s almost impossible to directly match users and items in their initial representation spaces. To solve this problem, many methods have been studied...
main
AI and the Web
10.1609/aaai.v33i01.330161
33
01
61-68
official
1901.04704
title_snapshot
10.1609/aaai.v33i01.330169
TableSense: Spreadsheet Table Detection with Convolutional Neural Networks
https://ojs.aaai.org/index.php/AAAI/article/view/3770
https://ojs.aaai.org/index.php/AAAI/article/download/3770/3648
[ "Haoyu Dong", "Shijie Liu", "Shi Han", "Zhouyu Fu", "Dongmei Zhang" ]
Spreadsheet table detection is the task of detecting all tables on a given sheet and locating their respective ranges. Automatic table detection is a key enabling technique and an initial step in spreadsheet data intelligence. However, the detection task is challenged by the diversity of table structures and table layo...
main
AI and the Web
10.1609/aaai.v33i01.330169
33
01
69-76
official
2106.13500
title_snapshot
10.1609/aaai.v33i01.330177
Triple Classification Using Regions and Fine-Grained Entity Typing
https://ojs.aaai.org/index.php/AAAI/article/view/3771
https://ojs.aaai.org/index.php/AAAI/article/download/3771/3649
[ "Tiansi Dong", "Zhigang Wang", "Juanzi Li", "Christian Bauckhage", "Armin B. Cremers" ]
A Triple in knowledge-graph takes a form that consists of head, relation, tail. Triple Classification is used to determine the truth value of an unknown Triple. This is a hard task for 1-to-N relations using the vector-based embedding approach. We propose a new region-based embedding approach using fine-grained type ch...
main
AI and the Web
10.1609/aaai.v33i01.330177
33
01
77-85
official
null
null
10.1609/aaai.v33i01.330186
Dynamic Layer Aggregation for Neural Machine Translation with Routing-by-Agreement
https://ojs.aaai.org/index.php/AAAI/article/view/3772
https://ojs.aaai.org/index.php/AAAI/article/download/3772/3650
[ "Zi-Yi Dou", "Zhaopeng Tu", "Xing Wang", "Longyue Wang", "Shuming Shi", "Tong Zhang" ]
With the promising progress of deep neural networks, layer aggregation has been used to fuse information across layers in various fields, such as computer vision and machine translation. However, most of the previous methods combine layers in a static fashion in that their aggregation strategy is independent of specifi...
main
AI and the Web
10.1609/aaai.v33i01.330186
33
01
86-93
official
1902.05770
title_snapshot
10.1609/aaai.v33i01.330194
Deeply Fusing Reviews and Contents for Cold Start Users in Cross-Domain Recommendation Systems
https://ojs.aaai.org/index.php/AAAI/article/view/3773
https://ojs.aaai.org/index.php/AAAI/article/download/3773/3651
[ "Wenjing Fu", "Zhaohui Peng", "Senzhang Wang", "Yang Xu", "Jin Li" ]
As one promising way to solve the challenging issues of data sparsity and cold start in recommender systems, crossdomain recommendation has gained increasing research interest recently. Cross-domain recommendation aims to improve the recommendation performance by means of transferring explicit or implicit feedback from...
main
AI and the Web
10.1609/aaai.v33i01.330194
33
01
94-101
official
null
null
10.1609/aaai.v33i01.3301102
Feature Sampling Based Unsupervised Semantic Clustering for Real Web Multi-View Content
https://ojs.aaai.org/index.php/AAAI/article/view/3774
https://ojs.aaai.org/index.php/AAAI/article/download/3774/3652
[ "Xiaolong Gong", "Linpeng Huang", "Fuwei Wang" ]
Real web datasets are often associated with multiple views such as long and short commentaries, users preference and so on. However, with the rapid growth of user generated texts, each view of the dataset has a large feature space and leads to the computational challenge during matrix decomposition process. In this pap...
main
AI and the Web
10.1609/aaai.v33i01.3301102
33
01
102-109
official
null
null
10.1609/aaai.v33i01.3301110
Cooperative Multimodal Approach to Depression Detection in Twitter
https://ojs.aaai.org/index.php/AAAI/article/view/3775
https://ojs.aaai.org/index.php/AAAI/article/download/3775/3653
[ "Tao Gui", "Liang Zhu", "Qi Zhang", "Minlong Peng", "Xu Zhou", "Keyu Ding", "Zhigang Chen" ]
The advent of social media has presented a promising new opportunity for the early detection of depression. To do so effectively, there are two challenges to overcome. The first is that textual and visual information must be jointly considered to make accurate inferences about depression. The second challenge is that d...
main
AI and the Web
10.1609/aaai.v33i01.3301110
33
01
110-117
official
null
null
10.1609/aaai.v33i01.3301118
Anchors Bring Ease: An Embarrassingly Simple Approach to Partial Multi-View Clustering
https://ojs.aaai.org/index.php/AAAI/article/view/3776
https://ojs.aaai.org/index.php/AAAI/article/download/3776/3654
[ "Jun Guo", "Jiahui Ye" ]
Clustering on multi-view data has attracted much more attention in the past decades. Most previous studies assume that each instance appears in all views, or there is at least one view containing all instances. However, real world data often suffers from missing some instances in each view, leading to the research prob...
main
AI and the Web
10.1609/aaai.v33i01.3301118
33
01
118-125
official
null
null
10.1609/aaai.v33i01.3301126
Y2Seq2Seq: Cross-Modal Representation Learning for 3D Shape and Text by Joint Reconstruction and Prediction of View and Word Sequences
https://ojs.aaai.org/index.php/AAAI/article/view/3777
https://ojs.aaai.org/index.php/AAAI/article/download/3777/3655
[ "Zhizhong Han", "Mingyang Shang", "Xiyang Wang", "Yu-Shen Liu", "Matthias Zwicker" ]
Jointly learning representations of 3D shapes and text is crucial to support tasks such as cross-modal retrieval or shape captioning. A recent method employs 3D voxels to represent 3D shapes, but this limits the approach to low resolutions due to the computational cost caused by the cubic complexity of 3D voxels. Hence...
main
AI and the Web
10.1609/aaai.v33i01.3301126
33
01
126-133
official
1811.02745
title_judge
10.1609/aaai.v33i01.3301134
Learning to Align Question and Answer Utterances in Customer Service Conversation with Recurrent Pointer Networks
https://ojs.aaai.org/index.php/AAAI/article/view/3778
https://ojs.aaai.org/index.php/AAAI/article/download/3778/3656
[ "Shizhu He", "Kang Liu", "Weiting An" ]
Customers ask questions, and customer service staffs answer those questions. It is the basic service manner of customer service (CS). The progress of CS is a typical multi-round conversation. However, there are no explicit corresponding relations among conversational utterances. This paper focuses on obtaining explicit...
main
AI and the Web
10.1609/aaai.v33i01.3301134
33
01
134-141
official
null
null
10.1609/aaai.v33i01.33011294
DeepDPM: Dynamic Population Mapping via Deep Neural Network
https://ojs.aaai.org/index.php/AAAI/article/view/3925
https://ojs.aaai.org/index.php/AAAI/article/download/3925/3803
[ "Zefang Zong", "Jie Feng", "Kechun Liu", "Hongzhi Shi", "Yong Li" ]
Dynamic high resolution data on human population distribution is of great importance for a wide spectrum of activities and real-life applications, but is too difficult and expensive to obtain directly. Therefore, generating fine-scaled population distributions from coarse population data is of great significance. Howev...
main
Applications
10.1609/aaai.v33i01.33011294
33
01
1294-1301
official
1811.02644
title_snapshot
10.1609/aaai.v33i01.33011286
One-Class Adversarial Nets for Fraud Detection
https://ojs.aaai.org/index.php/AAAI/article/view/3924
https://ojs.aaai.org/index.php/AAAI/article/download/3924/3802
[ "Panpan Zheng", "Shuhan Yuan", "Xintao Wu", "Jun Li", "Aidong Lu" ]
Many online applications, such as online social networks or knowledge bases, are often attacked by malicious users who commit different types of actions such as vandalism on Wikipedia or fraudulent reviews on eBay. Currently, most of the fraud detection approaches require a training dataset that contains records of bot...
main
Applications
10.1609/aaai.v33i01.33011286
33
01
1286-1293
official
1803.01798
title_snapshot
10.1609/aaai.v33i01.33011278
SAFE: A Neural Survival Analysis Model for Fraud Early Detection
https://ojs.aaai.org/index.php/AAAI/article/view/3923
https://ojs.aaai.org/index.php/AAAI/article/download/3923/3801
[ "Panpan Zheng", "Shuhan Yuan", "Xintao Wu" ]
Many online platforms have deployed anti-fraud systems to detect and prevent fraudulent activities. However, there is usually a gap between the time that a user commits a fraudulent action and the time that the user is suspended by the platform. How to detect fraudsters in time is a challenging problem. Most of the exi...
main
Applications
10.1609/aaai.v33i01.33011278
33
01
1278-1285
official
1809.04683
title_snapshot
10.1609/aaai.v33i01.33011190
Private Model Compression via Knowledge Distillation
https://ojs.aaai.org/index.php/AAAI/article/view/3913
https://ojs.aaai.org/index.php/AAAI/article/download/3913/3791
[ "Ji Wang", "Weidong Bao", "Lichao Sun", "Xiaomin Zhu", "Bokai Cao", "Philip S. Yu" ]
The soaring demand for intelligent mobile applications calls for deploying powerful deep neural networks (DNNs) on mobile devices. However, the outstanding performance of DNNs notoriously relies on increasingly complex models, which in turn is associated with an increase in computational expense far surpassing mobile d...
main
Applications
10.1609/aaai.v33i01.33011190
33
01
1190-1197
official
1811.05072
title_snapshot
10.1609/aaai.v33i01.33011118
PhoneMD: Learning to Diagnose Parkinson’s Disease from Smartphone Data
https://ojs.aaai.org/index.php/AAAI/article/view/3904
https://ojs.aaai.org/index.php/AAAI/article/download/3904/3782
[ "Patrick Schwab", "Walter Karlen" ]
Parkinson’s disease is a neurodegenerative disease that can affect a person’s movement, speech, dexterity, and cognition. Clinicians primarily diagnose Parkinson’s disease by performing a clinical assessment of symptoms. However, misdiagnoses are common. One factor that contributes to misdiagnoses is that the symptoms ...
main
Applications
10.1609/aaai.v33i01.33011118
33
01
1118-1125
official
1810.01485
title_snapshot
10.1609/aaai.v33i01.33011126
GAMENet: Graph Augmented MEmory Networks for Recommending Medication Combination
https://ojs.aaai.org/index.php/AAAI/article/view/3905
https://ojs.aaai.org/index.php/AAAI/article/download/3905/3783
[ "Junyuan Shang", "Cao Xiao", "Tengfei Ma", "Hongyan Li", "Jimeng Sun" ]
Recent progress in deep learning is revolutionizing the healthcare domain including providing solutions to medication recommendations, especially recommending medication combination for patients with complex health conditions. Existing approaches either do not customize based on patient health history, or ignore existi...
main
Applications
10.1609/aaai.v33i01.33011126
33
01
1126-1133
official
1809.01852
title_snapshot
10.1609/aaai.v33i01.33011134
The Kelly Growth Optimal Portfolio with Ensemble Learning
https://ojs.aaai.org/index.php/AAAI/article/view/3906
https://ojs.aaai.org/index.php/AAAI/article/download/3906/3784
[ "Weiwei Shen", "Bin Wang", "Jian Pu", "Jun Wang" ]
As a competitive alternative to the Markowitz mean-variance portfolio, the Kelly growth optimal portfolio has drawn sufficient attention in investment science. While the growth optimal portfolio is theoretically guaranteed to dominate any other portfolio with probability 1 in the long run, it practically tends to be hi...
main
Applications
10.1609/aaai.v33i01.33011134
33
01
1134-1141
official
null
null
10.1609/aaai.v33i01.33011142
Spatiality Preservable Factored Poisson Regression for Large-Scale Fine-Grained GPS-Based Population Analysis
https://ojs.aaai.org/index.php/AAAI/article/view/3907
https://ojs.aaai.org/index.php/AAAI/article/download/3907/3785
[ "Masamichi Shimosaka", "Yuta Hayakawa", "Kota Tsubouchi" ]
With the wide use of smartphones with Global Positioning System (GPS) sensors, the analysis of the population from GPS traces has been actively explored in the last decade. We propose herein a brand new population prediction model to capture the population trends in a fine-grained point of interest (POI) densely distri...
main
Applications
10.1609/aaai.v33i01.33011142
33
01
1142-1149
official
null
null
10.1609/aaai.v33i01.33011150
Subtask Gated Networks for Non-Intrusive Load Monitoring
https://ojs.aaai.org/index.php/AAAI/article/view/3908
https://ojs.aaai.org/index.php/AAAI/article/download/3908/3786
[ "Changho Shin", "Sunghwan Joo", "Jaeryun Yim", "Hyoseop Lee", "Taesup Moon", "Wonjong Rhee" ]
Non-intrusive load monitoring (NILM), also known as energy disaggregation, is a blind source separation problem where a household’s aggregate electricity consumption is broken down into electricity usages of individual appliances. In this way, the cost and trouble of installing many measurement devices over numerous ho...
main
Applications
10.1609/aaai.v33i01.33011150
33
01
1150-1157
official
1811.06692
title_snapshot
10.1609/aaai.v33i01.33011158
Improving Search with Supervised Learning in Trick-Based Card Games
https://ojs.aaai.org/index.php/AAAI/article/view/3909
https://ojs.aaai.org/index.php/AAAI/article/download/3909/3787
[ "Christopher Solinas", "Douglas Rebstock", "Michael Buro" ]
In trick-taking card games, a two-step process of state sampling and evaluation is widely used to approximate move values. While the evaluation component is vital, the accuracy of move value estimates is also fundamentally linked to how well the sampling distribution corresponds the true distribution. Despite this, rec...
main
Applications
10.1609/aaai.v33i01.33011158
33
01
1158-1165
official
1903.09604
title_snapshot
10.1609/aaai.v33i01.33011166
Exploiting the Contagious Effect for Employee Turnover Prediction
https://ojs.aaai.org/index.php/AAAI/article/view/3910
https://ojs.aaai.org/index.php/AAAI/article/download/3910/3788
[ "Mingfei Teng", "Hengshu Zhu", "Chuanren Liu", "Chen Zhu", "Hui Xiong" ]
Talent turnover often costs a large amount of business time, money and performance. Therefore, employee turnover prediction is critical for proactive talent management. Existing approaches on turnover prediction are mainly based on profiling of employees and their working environments, while the important contagious ef...
main
Applications
10.1609/aaai.v33i01.33011166
33
01
1166-1173
official
null
null
10.1609/aaai.v33i01.33011174
PerformanceNet: Score-to-Audio Music Generation with Multi-Band Convolutional Residual Network
https://ojs.aaai.org/index.php/AAAI/article/view/3911
https://ojs.aaai.org/index.php/AAAI/article/download/3911/3789
[ "Bryan Wang", "Yi-Hsuan Yang" ]
Music creation is typically composed of two parts: composing the musical score, and then performing the score with instruments to make sounds. While recent work has made much progress in automatic music generation in the symbolic domain, few attempts have been made to build an AI model that can render realistic music a...
main
Applications
10.1609/aaai.v33i01.33011174
33
01
1174-1181
official
1811.04357
title_snapshot
10.1609/aaai.v33i01.33011182
Differentially Private Empirical Risk Minimization with Smooth Non-Convex Loss Functions: A Non-Stationary View
https://ojs.aaai.org/index.php/AAAI/article/view/3912
https://ojs.aaai.org/index.php/AAAI/article/download/3912/3790
[ "Di Wang", "Jinhui Xu" ]
In this paper, we study the Differentially Private Empirical Risk Minimization (DP-ERM) problem with non-convex loss functions and give several upper bounds for the utility in different settings. We first consider the problem in low-dimensional space. For DP-ERM with non-smooth regularizer, we generalize an existing wo...
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Applications
10.1609/aaai.v33i01.33011182
33
01
1182-1189
official
null
null
10.1609/aaai.v33i01.33011198
Functional Connectivity Network Analysis with Discriminative Hub Detection for Brain Disease Identification
https://ojs.aaai.org/index.php/AAAI/article/view/3914
https://ojs.aaai.org/index.php/AAAI/article/download/3914/3792
[ "Mingliang Wang", "Jiashuang Huang", "Mingxia Liu", "Daoqiang Zhang" ]
Brain network analysis can help reveal the pathological basis of neurological disorders and facilitate automated diagnosis of brain diseases, by exploring connectivity patterns in the human brain. Effectively representing the brain network has always been the fundamental task of computeraided brain network analysis. Pr...
main
Applications
10.1609/aaai.v33i01.33011198
33
01
1198-1205
official
null
null
10.1609/aaai.v33i01.33011206
Hierarchical Macro Strategy Model for MOBA Game AI
https://ojs.aaai.org/index.php/AAAI/article/view/3915
https://ojs.aaai.org/index.php/AAAI/article/download/3915/3793
[ "Bin Wu" ]
The next challenge of game AI lies in Real Time Strategy (RTS) games. RTS games provide partially observable gaming environments, where agents interact with one another in an action space much larger than that of GO. Mastering RTS games requires both strong macro strategies and delicate micro level execution. Recently,...
main
Applications
10.1609/aaai.v33i01.33011206
33
01
1206-1213
official
1812.07887
title_snapshot
10.1609/aaai.v33i01.33011214
G2C: A Generator-to-Classifier Framework Integrating Multi-Stained Visual Cues for Pathological Glomerulus Classification
https://ojs.aaai.org/index.php/AAAI/article/view/3916
https://ojs.aaai.org/index.php/AAAI/article/download/3916/3794
[ "Bingzhe Wu", "Xiaolu Zhang", "Shiwan Zhao", "Lingxi Xie", "Caihong Zeng", "Zhihong Liu", "Guangyu Sun" ]
Pathological glomerulus classification plays a key role in the diagnosis of nephropathy. As the difference between different subcategories is subtle, doctors often refer to slides from different staining methods to make decisions. However, creating correspondence across various stains is labor-intensive, bringing major...
main
Applications
10.1609/aaai.v33i01.33011214
33
01
1214-1221
official
1807.03136
title_snapshot
10.1609/aaai.v33i01.33011222
On Strength Adjustment for MCTS-Based Programs
https://ojs.aaai.org/index.php/AAAI/article/view/3917
https://ojs.aaai.org/index.php/AAAI/article/download/3917/3795
[ "I-Chen Wu", "Ti-Rong Wu", "An-Jen Liu", "Hung Guei", "Tinghan Wei" ]
This paper proposes an approach to strength adjustment for MCTS-based game-playing programs. In this approach, we use a softmax policy with a strength index z to choose moves. Most importantly, we filter low quality moves by excluding those that have a lower simulation count than a pre-defined threshold ratio of the ma...
main
Applications
10.1609/aaai.v33i01.33011222
33
01
1222-1229
official
null
null
10.1609/aaai.v33i01.33011230
A2-Net: Molecular Structure Estimation from Cryo-EM Density Volumes
https://ojs.aaai.org/index.php/AAAI/article/view/3918
https://ojs.aaai.org/index.php/AAAI/article/download/3918/3796
[ "Kui Xu", "Zhe Wang", "Jianping Shi", "Hongsheng Li", "Qiangfeng Cliff Zhang" ]
Constructing of molecular structural models from CryoElectron Microscopy (Cryo-EM) density volumes is the critical last step of structure determination by Cryo-EM technologies. Methods have evolved from manual construction by structural biologists to perform 6D translation-rotation searching, which is extremely compute...
main
Applications
10.1609/aaai.v33i01.33011230
33
01
1230-1237
official
1901.00785
title_judge
10.1609/aaai.v33i01.33011238
TET-GAN: Text Effects Transfer via Stylization and Destylization
https://ojs.aaai.org/index.php/AAAI/article/view/3919
https://ojs.aaai.org/index.php/AAAI/article/download/3919/3797
[ "Shuai Yang", "Jiaying Liu", "Wenjing Wang", "Zongming Guo" ]
Text effects transfer technology automatically makes the text dramatically more impressive. However, previous style transfer methods either study the model for general style, which cannot handle the highly-structured text effects along the glyph, or require manual design of subtle matching criteria for text effects. In...
main
Applications
10.1609/aaai.v33i01.33011238
33
01
1238-1245
official
1812.06384
title_snapshot
10.1609/aaai.v33i01.33011246
Learning Phenotypes and Dynamic Patient Representations via RNN Regularized Collective Non-Negative Tensor Factorization
https://ojs.aaai.org/index.php/AAAI/article/view/3920
https://ojs.aaai.org/index.php/AAAI/article/download/3920/3798
[ "Kejing Yin", "Dong Qian", "William K. Cheung", "Benjamin C. M. Fung", "Jonathan Poon" ]
Non-negative Tensor Factorization (NTF) has been shown effective to discover clinically relevant and interpretable phenotypes from Electronic Health Records (EHR). Existing NTF based computational phenotyping models aggregate data over the observation window, resulting in the learned phenotypes being mixtures of diseas...
main
Applications
10.1609/aaai.v33i01.33011246
33
01
1246-1253
official
null
null
10.1609/aaai.v33i01.33011254
MetaStyle: Three-Way Trade-off among Speed, Flexibility, and Quality in Neural Style Transfer
https://ojs.aaai.org/index.php/AAAI/article/view/3927
https://ojs.aaai.org/index.php/AAAI/article/download/3927/3805
[ "Chi Zhang", "Yixin Zhu", "Song-Chun Zhu" ]
An unprecedented booming has been witnessed in the research area of artistic style transfer ever since Gatys et al. introduced the neural method. One of the remaining challenges is to balance a trade-off among three critical aspects—speed, flexibility, and quality: (i) the vanilla optimization-based algorithm produces ...
main
Applications
10.1609/aaai.v33i01.33011254
33
01
1254-1261
official
1812.05233
title_snapshot
10.1609/aaai.v33i01.33011262
Optimal Interdiction of Urban Criminals with the Aid of Real-Time Information
https://ojs.aaai.org/index.php/AAAI/article/view/3921
https://ojs.aaai.org/index.php/AAAI/article/download/3921/3799
[ "Youzhi Zhang", "Qingyu Guo", "Bo An", "Long Tran-Thanh", "Nicholas R. Jennings" ]
Most violent crimes happen in urban and suburban cities. With emerging tracking techniques, law enforcement officers can have real-time location information of the escaping criminals and dynamically adjust the security resource allocation to interdict them. Unfortunately, existing work on urban network security games l...
main
Applications
10.1609/aaai.v33i01.33011262
33
01
1262-1269
official
null
null
10.1609/aaai.v33i01.33011270
Incorporating Semantic Similarity with Geographic Correlation for Query-POI Relevance Learning
https://ojs.aaai.org/index.php/AAAI/article/view/3922
https://ojs.aaai.org/index.php/AAAI/article/download/3922/3800
[ "Ji Zhao", "Dan Peng", "Chuhan Wu", "Huan Chen", "Meiyu Yu", "Wanji Zheng", "Li Ma", "Hua Chai", "Jieping Ye", "Xiaohu Qie" ]
Point-of-interest (POI) retrieval that searches for relevant destination locations plays a significant role in on-demand ridehailing services. Existing solutions to POI retrieval mainly retrieve and rank POIs based on their semantic similarity scores. Although intuitive, quantifying the relevance of a Query-POI pair by...
main
Applications
10.1609/aaai.v33i01.33011270
33
01
1270-1277
official
null
null
10.1609/aaai.v33i01.33011069
AffinityNet: Semi-Supervised Few-Shot Learning for Disease Type Prediction
https://ojs.aaai.org/index.php/AAAI/article/view/3898
https://ojs.aaai.org/index.php/AAAI/article/download/3898/3776
[ "Tianle Ma", "Aidong Zhang" ]
While deep learning has achieved great success in computer vision and many other fields, currently it does not work very well on patient genomic data with the “big p, small N” problem (i.e., a relatively small number of samples with highdimensional features). In order to make deep learning work with a small amount of t...
main
Applications
10.1609/aaai.v33i01.33011069
33
01
1069-1076
official
1805.08905
title_snapshot
10.1609/aaai.v33i01.33011110
NeVAE: A Deep Generative Model for Molecular Graphs
https://ojs.aaai.org/index.php/AAAI/article/view/3903
https://ojs.aaai.org/index.php/AAAI/article/download/3903/3781
[ "Bidisha Samanta", "Abir DE", "Gourhari Jana", "Pratim Kumar Chattaraj", "Niloy Ganguly", "Manuel Gomez Rodriguez" ]
Deep generative models have been praised for their ability to learn smooth latent representation of images, text, and audio, which can then be used to generate new, plausible data. However, current generative models are unable to work with molecular graphs due to their unique characteristics—their underlying structure ...
main
Applications
10.1609/aaai.v33i01.33011110
33
01
1110-1117
official
1802.05283
title_snapshot
10.1609/aaai.v33i01.33011102
Building Causal Graphs from Medical Literature and Electronic Medical Records
https://ojs.aaai.org/index.php/AAAI/article/view/3902
https://ojs.aaai.org/index.php/AAAI/article/download/3902/3780
[ "Galia Nordon", "Gideon Koren", "Varda Shalev", "Benny Kimelfeld", "Uri Shalit", "Kira Radinsky" ]
Large repositories of medical data, such as Electronic Medical Record (EMR) data, are recognized as promising sources for knowledge discovery. Effective analysis of such repositories often necessitate a thorough understanding of dependencies in the data. For example, if the patient age is ignored, then one might wrongl...
main
Applications
10.1609/aaai.v33i01.33011102
33
01
1102-1109
official
null
null
10.1609/aaai.v33i01.33011093
Pathological Evidence Exploration in Deep Retinal Image Diagnosis
https://ojs.aaai.org/index.php/AAAI/article/view/3901
https://ojs.aaai.org/index.php/AAAI/article/download/3901/3779
[ "Yuhao Niu", "Lin Gu", "Feng Lu", "Feifan Lv", "Zongji Wang", "Imari Sato", "Zijian Zhang", "Yangyan Xiao", "Xunzhang Dai", "Tingting Cheng" ]
Though deep learning has shown successful performance in classifying the label and severity stage of certain disease, most of them give few evidence on how to make prediction. Here, we propose to exploit the interpretability of deep learning application in medical diagnosis. Inspired by Koch’s Postulates, a well-known ...
main
Applications
10.1609/aaai.v33i01.33011093
33
01
1093-1101
official
1812.02640
title_snapshot
10.1609/aaai.v33i01.33011085
Difficulty-Aware Attention Network with Confidence Learning for Medical Image Segmentation
https://ojs.aaai.org/index.php/AAAI/article/view/3900
https://ojs.aaai.org/index.php/AAAI/article/download/3900/3778
[ "Dong Nie", "Li Wang", "Lei Xiang", "Sihang Zhou", "Ehsan Adeli", "Dinggang Shen" ]
Medical image segmentation is a key step for various applications, such as image-guided radiation therapy and diagnosis. Recently, deep neural networks provided promising solutions for automatic image segmentation; however, they often perform good on regular samples (i.e., easy-to-segment samples), since the datasets a...
main
Applications
10.1609/aaai.v33i01.33011085
33
01
1085-1092
official
null
null
10.1609/aaai.v33i01.33011077
Scalable Robust Kidney Exchange
https://ojs.aaai.org/index.php/AAAI/article/view/3899
https://ojs.aaai.org/index.php/AAAI/article/download/3899/3777
[ "Duncan C McElfresh", "Hoda Bidkhori", "John P Dickerson" ]
In barter exchanges, participants directly trade their endowed goods in a constrained economic setting without money. Transactions in barter exchanges are often facilitated via a central clearinghouse that must match participants even in the face of uncertainty—over participants, existence and quality of potential trad...
main
Applications
10.1609/aaai.v33i01.33011077
33
01
1077-1084
official
1811.03532
title_snapshot
10.1609/aaai.v33i01.33011061
Play as You Like: Timbre-Enhanced Multi-Modal Music Style Transfer
https://ojs.aaai.org/index.php/AAAI/article/view/3897
https://ojs.aaai.org/index.php/AAAI/article/download/3897/3775
[ "Chien-Yu Lu", "Min-Xin Xue", "Chia-Che Chang", "Che-Rung Lee", "Li Su" ]
Style transfer of polyphonic music recordings is a challenging task when considering the modeling of diverse, imaginative, and reasonable music pieces in the style different from their original one. To achieve this, learning stable multi-modal representations for both domain-variant (i.e., style) and domaininvariant (i...
main
Applications
10.1609/aaai.v33i01.33011061
33
01
1061-1068
official
1811.12214
title_snapshot
10.1609/aaai.v33i01.3301954
Combo-Action: Training Agent For FPS Game with Auxiliary Tasks
https://ojs.aaai.org/index.php/AAAI/article/view/3885
https://ojs.aaai.org/index.php/AAAI/article/download/3885/3763
[ "Shiyu Huang", "Hang Su", "Jun Zhu", "Ting Chen" ]
Deep reinforcement learning (DRL) has achieved surpassing human performance on Atari games, using raw pixels and rewards to learn everything. However, first-person-shooter (FPS) games in 3D environments contain higher levels of human concepts (enemy, weapon, spatial structure, etc.) and a large action space. In this pa...
main
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10.1609/aaai.v33i01.3301954
33
01
954-961
official
null
null
10.1609/aaai.v33i01.3301962
Connecting the Digital and Physical World: Improving the Robustness of Adversarial Attacks
https://ojs.aaai.org/index.php/AAAI/article/view/3926
https://ojs.aaai.org/index.php/AAAI/article/download/3926/3804
[ "Steve T.K. Jan", "Joseph Messou", "Yen-Chen Lin", "Jia-Bin Huang", "Gang Wang" ]
While deep learning models have achieved unprecedented success in various domains, there is also a growing concern of adversarial attacks against related applications. Recent results show that by adding a small amount of perturbations to an image (imperceptible to humans), the resulting adversarial examples can force a...
main
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10.1609/aaai.v33i01.3301962
33
01
962-969
official
null
null
10.1609/aaai.v33i01.3301970
A Memetic Approach for Sequential Security Games on a Plane with Moving Targets
https://ojs.aaai.org/index.php/AAAI/article/view/3886
https://ojs.aaai.org/index.php/AAAI/article/download/3886/3764
[ "Jan Karwowski", "Jacek Mańdziuk", "Adam Żychowski", "Filip Grajek", "Bo An" ]
This paper introduces a new type of Security Games (SG) played on a plane with targets moving along predefined straight line trajectories and its respective Mixed Integer Linear Programming (MILP) formulation. Three approaches for solving the game are proposed and experimentally evaluated: application of an MILP solver...
main
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10.1609/aaai.v33i01.3301970
33
01
970-977
official
null
null
10.1609/aaai.v33i01.3301978
Crash to Not Crash: Learn to Identify Dangerous Vehicles Using a Simulator
https://ojs.aaai.org/index.php/AAAI/article/view/3887
https://ojs.aaai.org/index.php/AAAI/article/download/3887/3765
[ "Hoon Kim", "Kangwook Lee", "Gyeongjo Hwang", "Changho Suh" ]
Developing a computer vision-based algorithm for identifying dangerous vehicles requires a large amount of labeled accident data, which is difficult to collect in the real world. To tackle this challenge, we first develop a synthetic data generator built on top of a driving simulator. We then observe that the synthetic...
main
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10.1609/aaai.v33i01.3301978
33
01
978-985
official
null
null
10.1609/aaai.v33i01.3301986
Traffic Updates: Saying a Lot While Revealing a Little
https://ojs.aaai.org/index.php/AAAI/article/view/3888
https://ojs.aaai.org/index.php/AAAI/article/download/3888/3766
[ "John Krumm", "Eric Horvitz" ]
Taking speed reports from vehicles is a proven, inexpensive way to infer traffic conditions. However, due to concerns about privacy and bandwidth, not every vehicle occupant may want to transmit data about their location and speed in real time. We show how to drastically reduce the number of transmissions in two ways, ...
main
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10.1609/aaai.v33i01.3301986
33
01
986-995
official
null
null
10.1609/aaai.v33i01.3301996
Adversarial Learning for Weakly-Supervised Social Network Alignment
https://ojs.aaai.org/index.php/AAAI/article/view/3889
https://ojs.aaai.org/index.php/AAAI/article/download/3889/3767
[ "Chaozhuo Li", "Senzhang Wang", "Yukun Wang", "Philip Yu", "Yanbo Liang", "Yun Liu", "Zhoujun Li" ]
Nowadays, it is common for one natural person to join multiple social networks to enjoy different kinds of services. Linking identical users across multiple social networks, also known as social network alignment, is an important problem of great research challenges. Existing methods usually link social identities on t...
main
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10.1609/aaai.v33i01.3301996
33
01
996-1003
official
null
null
10.1609/aaai.v33i01.33011004
Learning Heterogeneous Spatial-Temporal Representation for Bike-Sharing Demand Prediction
https://ojs.aaai.org/index.php/AAAI/article/view/3890
https://ojs.aaai.org/index.php/AAAI/article/download/3890/3768
[ "Youru Li", "Zhenfeng Zhu", "Deqiang Kong", "Meixiang Xu", "Yao Zhao" ]
Bike-sharing systems, aiming at meeting the public’s need for ”last mile” transportation, are becoming popular in recent years. With an accurate demand prediction model, shared bikes, though with a limited amount, can be effectively utilized whenever and wherever there are travel demands. Despite that some deep learnin...
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10.1609/aaai.v33i01.33011004
33
01
1004-1011
official
null
null
10.1609/aaai.v33i01.33011020
DeepSTN+: Context-Aware Spatial-Temporal Neural Network for Crowd Flow Prediction in Metropolis
https://ojs.aaai.org/index.php/AAAI/article/view/3892
https://ojs.aaai.org/index.php/AAAI/article/download/3892/3770
[ "Ziqian Lin", "Jie Feng", "Ziyang Lu", "Yong Li", "Depeng Jin" ]
Crowd flow prediction is of great importance in a wide range of applications from urban planning, traffic control to public safety. It aims to predict the inflow (the traffic of crowds entering a region in a given time interval) and outflow (the traffic of crowds leaving a region for other places) of each region in the...
main
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10.1609/aaai.v33i01.33011020
33
01
1020-1027
official
null
null
10.1609/aaai.v33i01.33011028
Perceptual-Sensitive GAN for Generating Adversarial Patches
https://ojs.aaai.org/index.php/AAAI/article/view/3893
https://ojs.aaai.org/index.php/AAAI/article/download/3893/3771
[ "Aishan Liu", "Xianglong Liu", "Jiaxin Fan", "Yuqing Ma", "Anlan Zhang", "Huiyuan Xie", "Dacheng Tao" ]
Deep neural networks (DNNs) are vulnerable to adversarial examples where inputs with imperceptible perturbations mislead DNNs to incorrect results. Recently, adversarial patch, with noise confined to a small and localized patch, emerged for its easy accessibility in real-world. However, existing attack strategies are s...
main
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10.1609/aaai.v33i01.33011028
33
01
1028-1035
official
null
null
10.1609/aaai.v33i01.33011036
Joint Representation Learning for Multi-Modal Transportation Recommendation
https://ojs.aaai.org/index.php/AAAI/article/view/3894
https://ojs.aaai.org/index.php/AAAI/article/download/3894/3772
[ "Hao Liu", "Ting Li", "Renjun Hu", "Yanjie Fu", "Jingjing Gu", "Hui Xiong" ]
Multi-modal transportation recommendation has a goal of recommending a travel plan which considers various transportation modes, such as walking, cycling, automobile, and public transit, and how to connect among these modes. The successful development of multi-modal transportation recommendation systems can help to sat...
main
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10.1609/aaai.v33i01.33011036
33
01
1036-1043
official
null
null
10.1609/aaai.v33i01.33011044
DeepFuzz: Automatic Generation of Syntax Valid C Programs for Fuzz Testing
https://ojs.aaai.org/index.php/AAAI/article/view/3895
https://ojs.aaai.org/index.php/AAAI/article/download/3895/3773
[ "Xiao Liu", "Xiaoting Li", "Rupesh Prajapati", "Dinghao Wu" ]
Compilers are among the most fundamental programming tools for building software. However, production compilers remain buggy. Fuzz testing is often leveraged with newlygenerated, or mutated inputs in order to find new bugs or security vulnerabilities. In this paper, we propose a grammarbased fuzzing tool called DEEPFUZ...
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10.1609/aaai.v33i01.33011044
33
01
1044-1051
official
null
null
10.1609/aaai.v33i01.33011052
Molecular Property Prediction: A Multilevel Quantum Interactions Modeling Perspective
https://ojs.aaai.org/index.php/AAAI/article/view/3896
https://ojs.aaai.org/index.php/AAAI/article/download/3896/3774
[ "Chengqiang Lu", "Qi Liu", "Chao Wang", "Zhenya Huang", "Peize Lin", "Lixin He" ]
Predicting molecular properties (e.g., atomization energy) is an essential issue in quantum chemistry, which could speed up much research progress, such as drug designing and substance discovery. Traditional studies based on density functional theory (DFT) in physics are proved to be time-consuming for predicting large...
main
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10.1609/aaai.v33i01.33011052
33
01
1052-1060
official
1906.11081
title_snapshot
10.1609/aaai.v33i01.33011012
SEGAN: Structure-Enhanced Generative Adversarial Network for Compressed Sensing MRI Reconstruction
https://ojs.aaai.org/index.php/AAAI/article/view/3891
https://ojs.aaai.org/index.php/AAAI/article/download/3891/3769
[ "Zhongnian Li", "Tao Zhang", "Peng Wan", "Daoqiang Zhang" ]
Generative Adversarial Networks (GANs) are powerful tools for reconstructing Compressed Sensing Magnetic Resonance Imaging (CS-MRI). However most recent works lack exploration of structure information of MRI images that is crucial for clinical diagnosis. To tackle this problem, we propose the Structure-Enhanced GAN (SE...
main
Applications
10.1609/aaai.v33i01.33011012
33
01
1012-1019
official
1902.06455
title_snapshot
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