ppxscal/embedding_network huggingface dataset:
Performance Evaluation Framework for Video Applications in Mobile Networks
Authors: Alexander Klein, Jirka Klaue
Venue: Proceedings of the 2009 Second International Conference on Advances in Mesh Networks (2009)

We present a framework for performance evaluation and optimization of video applications in mobile multi hop networks. We focus on the perceived video quality de- pending on the simulated mobility model, traffic pattern, retransmission strategy, and the configuration of the routing protocol. Moreover, the functionality of the framework is demonstrated by evaluating the performance of a video surveillance application with multiple mobile sources and sinks. The application is designed for exchanging multimedia content, e.g. audio and video streams, in wireless networks where all nodes are highly mobile.
Smart Jacket Design for Neonatal Monitoring with Wearable Sensors
Authors: Sibrecht Bouwstra, Wei Chen, Loe Feijs, Sidarto Bambang Oetomo
Venue: Proceedings of the 2009 Sixth International Workshop on Wearable and Implantable Body Sensor Networks (2009)

Critically ill new born babies admitted at the Neonatal Intensive Care Unit (NICU) are extremely tiny and vulnerable to external disturbance. Smart Jacket proposed in this paper is the vision of a wearable unobtrusive continuous monitoring system realized by body sensor networks (BSN) and wireless communication. The smart jacket aims for providing reliable health monitoring as well as a comfortable clinical environment for neonatal care and parent-child interaction. We present the first version of the neonatal jacket that enables ECG measurement by textile electrodes. We also explore a new solution for skin-contact challenges that textile electrodes pose. The jacket is expandable with new wearable technologies and has aesthetics that appeal to parents and medical staff. An iterative design process in close contact with the users and experts lead to a balanced integration of technology, user focus and aesthetics. We demonstrate the prototype and the experimental results obtained in clinical setting.
Augmented Interaction and Visualization in the Automotive Domain
Authors: Roland Spies, Markus Ablaßmeier, Heiner Bubb, Werner Hamberger
Venue: Proceedings of the 13th International Conference on Human-Computer Interaction. Part III: Ubiquitous and Intelligent Interaction (2009)

This paper focuses on innovative interaction and visualization strategies for the automotive domain. To keep the increasing amount of information in vehicles easily accessible and also to minimize the mental workload for the driver, sophisticated presentation and interaction techniques are essential. In this contribution a new approach for interaction the so-called augmented interaction is presented. The new idea is an intelligent combination of innovative visualization and interaction technologies to reduce the driver's mental transfer effort that is necessary between displayed information, control movement and reality. Using contact-analog head-up displays relevant information can be presented exactly where it is needed. For control, an absolute natural and direct way of interaction is delivered by touch technologies. However, to leave the eyes on the road, the driver needs haptic feedback to handle a touchpad blindly. Therefore, the touchpad presented in this contribution, is equipped with a haptic adjustable surface. Combining both technologies delivers an absolutely innovative way for in-vehicle interaction. It enables the driver to interact in a very direct way by sensing the corresponding environment on the touchpad.
Research on Construction of Virtual Community in Academic Library
Authors: Qingling Yue, Yi Jiang
Venue: Proceedings of the 2009 IITA International Conference on Services Science, Management and Engineering (2009)

Based on the research of virtual community service positioning in academic libraries, this paper selected the interest community as main type in construction. In virtual community construction, the key question we must face is the qualitative determination and quantitative calculation of users’ similarity relationship. The solution to this problem mainly includes two stages: the acquiring of users’ interest vector and the interest similarity calculating. The users’ interest vector data can be collected through the condition of users using resources in academic libraries. So, the author put forward an interest similarity algorithm based on information entropy. Here we also introduced threshold function and concentration calculation to classify the communities. This paper also discussed the establishment of community ecosphere and the information resources sharing mechanism.
A framework for human-centered provisioning of ambient media services
Authors: M. Anwar Hossain, Jorge Parra, Pradeep K. Atrey, Abdulmotaleb Saddik
Venue: Multimedia Tools and Applications (2009)

The provisioning of ambient media in the user's environment requires that a system handles the different aspects related to the media selection process. For example, ambient media is delivered to the user depending on their context and hence, the system needs to dynamically determine the context and provide media that are relevant therein. To set the premise of ambient media, a system may also need to customize the physical environment, for example, by dimming the lighting level or by lowering the volume. Besides, users' need for media services changes over time and space that requires mechanisms to continually update their preferences based on their mobility in the environment. In this paper, we propose an ambient media service provisioning framework that incorporates the above requirements while keeping the user at the center of the media selection loop. To demonstrate the usefulness of this framework, we show experimental results by considering real-life scenario in a smart home environment.
Graph-Based Discrete Differential Geometry for Critical Instance Filtering
Authors: Elena Marchiori
Venue: Proceedings of the European Conference on Machine Learning and Knowledge Discovery in Databases: Part II (2009)

Graph theory has been shown to provide a powerful tool for representing and tackling machine learning problems, such as clustering, semi-supervised learning, and feature ranking. This paper proposes a graph-based discrete differential operator for detecting and eliminating competence-critical instances and class label noise from a training set in order to improve classification performance. Results of extensive experiments on artificial and real-life classification problems substantiate the effectiveness of the proposed approach.
CENTAUR: realizing the full potential of centralized wlans through a hybrid data path
Authors: Vivek Shrivastava, Nabeel Ahmed, Shravan Rayanchu, Suman Banerjee, Srinivasan Keshav, Konstantina Papagiannaki, Arunesh Mishra
Venue: Proceedings of the 15th annual international conference on Mobile computing and networking (2009)

Enterprise WLANs have made a dramatic shift towards centralized architectures in the recent past. The reasons for such a change have been ease of management and better design of various control and security functions. The data path of WLANs, however, continues to use the distributed, random-access model, as defined by the popular DCF mechanism of the 802.11 standard. While theoretical results indicate that a centrally scheduled data path can achieve higher efficiency than its distributed counterpart, the likely complexity of such a solution has inhibited practical consideration. In this paper, we take a fresh, implementation and deployment oriented, view in understanding data path choices in enterprise WLANs. We perform extensive measurements to characterize the impact of various design choices, like scheduling granularity on the performance of a centralized scheduler, and identify regions where such a centralized scheduler can provide the best gains. Our detailed evaluation with scheduling prototypes deployed on two different wireless testbeds indicates that DCF is quite robust in many scenarios, but centralization can play a unique role in 1) mitigating hidden terminals - scenarios which may occur infrequently, but become pain points when they do and 2) exploiting exposed terminals - scenarios which occur more frequently, and limit the potential of successful concurrent transmissions. Motivated by these results, we design and implement CENTAUR - a hybrid data path for enterprise WLANs, that combines the simplicity and ease of DCF with a limited amount of centralized scheduling from a unique vantage point. Our mechanisms do not require client cooperation and can support legacy 802.11 clients.
Complex bandpass sampling and direct downconversion of multiband analytic signals
Authors: Jie-Cherng Liu
Venue: Signal Processing (2010)

The kernel concept of the software defined radio architecture is to eliminate the analogue mixers and to place analogue-to-digital converters as near the antenna as possible. Bandpass sampling can be used for direct downconversion without analogue mixers. In this paper, we report an efficient method to find the ranges of valid bandpass sampling frequency for direct downconverting multiple bandpass analytic signals (single-sideband RF signals). The algorithm results in the ranges of valid bandpass sampling frequency for the complex signals in terms of bandwidths and band positions of the single-sideband RF signals. Compared to real bandpass sampling, the valid sampling frequency ranges are easier to find and the ranges thus obtained having much wider interval than those of real sampling. As a consequence, the complex sampling scheme is more flexible in choosing sampling frequency and more robust to the sampling frequency variation. Furthermore, if spectral inversion is not permitted, then in some cases there will have no applicable sampling frequency under Nyquist rate for real sampling.
Time-Oriented Interface Design: Picking the Right Time and Method for Information Presentation
Authors: Keita Watanabe, Kei Sugawara, Shota Matsuda, Michiaki Yasumura
Venue: Proceedings of the 13th International Conference on Human-Computer Interaction. Part I: New Trends (2009)

Today, people have far more access to relevant information than they can possibly consume. In this paper we describe a framework for Time-oriented Interface Design where information presentation and access is regulated according to when human activities afford opportunities for interacting with information. Information interfaces are then designed according to the time available during these opportunities, with the designs being constrained by salient aspects of the associated situations and contexts. In our view of time-oriented interface design there are four main types of situation where there may be time to view or interact with information: Spontaneous time; Waiting time; Background time; Interruption / Resumption. Information presented in these situations may be consumed without conflicting with the performance of other tasks. In the following presentation, the four types of information access situation are described. The use of time-oriented interface design is then illustrated by five prototype systems that have been developed in our laboratory. The paper will conclude with a discussion of lessons learned and an assessment of the potential for time-oriented human interface design to enhance future information interaction.
Mobile phone web browsing: a study on usage and usability of the mobile web
Authors: Grischa Schmiedl, Markus Seidl, Klaus Temper
Venue: Proceedings of the 11th International Conference on Human-Computer Interaction with Mobile Devices and Services (2009)

Browsing the Web on mobile phones has finally hit the mass. The visualization of websites on latest mobile phone models comes close to what we are used from desktop computers. Tailoring websites for mobile phones seems to be not mandatory anymore. But still the small display size limits the user experience when browsing the web on these devices. As a result although access to the full web is reasonably well working a tendency to providing additional versions of mobile optimized versions of websites can be observed. This paper presents a multidimensional study where usage scenarios as well as the usability of mobile tailored compared to full websites were investigated. The results show clearly that users prefer and effectively do benefit from mobile optimized versions. However content providers sometimes do not understand the mobile scenarios in which their sites are used and consequently begin optimizing the functionality at the wrong end.
Computer Music Modeling and Retrieval. Genesis of Meaning in Sound and Music: 5th International Symposium, CMMR 2008 Copenhagen, Denmark, May 19-23, 2008 ... Applications, incl. Internet/Web, and HCI), 1st edition
Authors: Slvi Ystad, Richard Kronland-Martinet, Kristoffer Jensen
Venue:  (2009)

This book constitutes the thoroughly refereed post-conference proceedings of the 5th International Symposium on Computer Music Modeling and Retrieval, CMMR 2008 - Genesis of Meaning in Sound and Music, held in Copenhagen, Denmark, inMay 2008. The21 revised full papers presented werespecially reviewed and corrected for this proceedings volume.CMMR 2008 seeks to enlarge upon the Sense of Sounds-concept by taking into account the musical structure as a whole. More precisely, theworkshop will have as its theme Genesis of Meaning in Sound andMusic. The purpose is hereby to establish rigorous research alliancesbetween computer and engineering sciences (information retrieval,programming, acoustics, signal processing) and areas within thehumanities (in particular perception, cognition, musicology,philosophy), as well as to globally address the notion of soundmeaning and its implications in music, modeling and retrieval.
Biosignal Based Emotion Analysis of Human-Agent Interactions
Authors: Evgenia Hristova, Maurice Grinberg, Emilian Lalev
Venue: Cross-Modal Analysis of Speech, Gestures, Gaze and Facial Expressions: COST Action 2102 International Conference Prague, Czech Republic, October 15-18, 2008 Revised Selected and Invited Papers (2009)

A two-phase procedure, based on biosignal recordings, is applied in an attempt to classify the emotion valence content in human-agent interactions. In the first phase, participants are exposed to a sample of pictures with known valence values (taken from IAPS dataset) and classifiers are trained on selected features of the biosignals recorded. During the second phase, biosignals are recorded for each participant while watching video clips with interactions with a female and male ECAs. The classifiers trained in the first phase are applied and a comparison between the two interfaces is carried on based on the classifications of the emotional response from the video clips. The results obtained are promising and are discussed in the paper together with the problems encountered, and the suggestions for possible future improvement.
A Self-Cognitive Algorithm Applied in Product Conceptual Design
Authors: Peng Zhen, Lifeng Wu, Xingjing Du
Venue: Proceedings of the 2009 International Conference on Computational Intelligence and Natural Computing - Volume 01 (2009)

Product conceptual design is a first and crucial phase in product innovation design. In order to improve the intelligence in product conceptual design process, the paper researched product conceptual design and it’s process, proposed a self-cognitive algorithm of knowledge discovery in database (KDD) and applied it in product conceptual design. The algorithm was based on rule based fuzzy cognitive map (RBFCM) and constructed to directional mine design process knowledge automatically in massive database.Therefore, the self-cognitive process greatly reduced the searching space and the complexity of the algorithm so as to enhance the automation degree of conceptual design and overcome the defects of expertise.
Security Framework for DPWS Compliant Devices
Authors: Vicente Hernandez, Lourdes Lopez, Oscar Prieto, José-F. Martinez, Ana-B. Garcia, Antonio Da Silva
Venue: Proceedings of the 2009 Third International Conference on Emerging Security Information, Systems and Technologies (2009)

The DPWS (Devices Profile for Web Services) specification enables devices, including small-scale ones, to be integrated seamlessly in a service oriented architecture (SOA). Complex enterprise applications are able to access devices functionalities in a Web Service fashion. In some cases, specific applications might require secure transactions that even devices with resources constraints must meet. Devices with hardly 10KB of run time memory and low speed processors might slow down or run out of memory when ciphering or signing large secure messages. This paper proposes a security model that complies with existing security specifications for Web Services and optimizes resources consumptions in such devices.
Intersection Safety Evaluation Method Based on Bayesian Network
Authors: Sheng-xue Zhu, Jian Lu, Qiao-jun Xiang, Linli Yan
Venue: Proceedings of the 2009 International Conference on Measuring Technology and Mechatronics Automation - Volume 03 (2009)

In order to objectively evaluate the traffic safety performance of intersection, this study puts forward an intersection safety evaluation model based on BN which treats the experts’ different opinions effectively, and obtains reasonable results even without certain experts’ opinions. Then the paper presents the topological structure of the model and the reasoning process of aggregating experts’ experiences and knowledge. Finally the paper evaluates an intersection with the model to show that it diagnoses and analyses the intersection safety conveniently which needn’t the traffic accident statistical data and traffic conflict survey.
Effective Pruning Algorithm for QoS-Aware Service Composition
Authors: Zhenqiu Huang, Wei Jiang, Songlin Hu, Zhiyong Liu
Venue: Proceedings of the 2009 IEEE Conference on Commerce and Enterprise Computing (2009)

Abstract—Automatic service composition has been a hottopic in both academia and industry. It begins with syntacticcomposition, and then evolves semantic description. Recently, QoS of the composition comes into researchers’ mind, which aims at meeting the need of the overall qualities like service fee, response time, throughput, etc. In this paper, a novel QoSaware approach is presented. It adopts a forward filtering algorithm to reduce the number of service candidates, along with a modified dynamic programming approach to compute optimal values. Finally, a backward search is utilized to find out the optimal composition results efficiently.
Transaction Level Modeling for Early Verification on Embedded System Design
Authors: Maman Abdurohman, Kuspriyanto K., Sarwono Sutikno, Arif Sasongko
Venue: Proceedings of the 2009 Eigth IEEE/ACIS International Conference on Computer and Information Science (2009)

Time-to-market pressure and productivity gap aretwo factors that encourage the Electronic Design Automation (EDA) industry and researcher of embedded system to enhanche embedded system design method. Current embedded system design approach, Register Transfer Level, is not sufficient to fulfill the embedded system design necessity. It needs a new design method above RTL, higher abstraction layer. Electronic System Level is general term that used to name system above RTL. ESL definition so far is a system above RTL including hardware and software. In this paper we designed a Transaction Level Modeling for early verification on embedded system design. This modeling is used to know functionality fulfillment at early stage. We specifyfour kind model for early verification purpose.
Search-In-Synchrony: Personalizing Web Search with Cognitive User Profile Model
Authors: Chandra Shekhar Dhir, Soo Young Lee
Venue: Advances in Neuro-Information Processing: 15th International Conference, ICONIP 2008, Auckland, New Zealand, November 25-28, 2008, Revised Selected Papers, Part II (2009)

This study concentrates on adapting the user profile model (UPM) based on individual's continuous interaction with preferred search engines. UPM re-ranks the retrieved information from World Wide Web (WWW) to provide effective personalization for a given search query. The temporal adaptation of UPM is considered as a one-to-one socio-interaction between the dynamics of WWW and cognitive information seeking behavior of the user. The dynamics of WWW and consensus relevant ranking of information is a collaborative effect of inter-connected users, which makes it difficult to analyze in-parts. The proposed system is named as Search-in-Synchrony and a preliminary study is done on user group with background in computational neuroscience. Human-agent interaction (HAI) can implicitly model these dynamics. Hence, a primary attempt to converge the two fields is highlighted - HAI and statistically learned UPM to incorporate cognitive abilities to search agents.
Portable Common Lisp graphical user interfaces with LTk
Authors: Peter Herth
Venue: Proceedings of the 2007 International Lisp Conference (2007)

While many implementations of Common Lisp provide graphical toolkits, Common Lisp as a whole lacks a standard way of creating graphical user interfaces. This is related to the fact that there is also no portable Common Lisp foreign function interface. To work around this limitation, the Lisp bindings to the Tk graphics toolkit use Lisp streams to talk to a Tcl/Tk subprocess. As a consequence, LTk is a highly portable solution to the GUI problem, allowing LTk based programs to run under 9 different Lisp implementations and the multitude of operation systems supported by Tk. LTk wraps all Tk widgets in CLOS objects, so creating and interacting with widgets is fully integrated into Lisp. Even creating new widgets by inheriting from an existing widget is supported. The LTk-remote package extends LTk by the ability to use sockets for the communication with the Tcl/TK process and thus is network transparent. To run a LTK-remote program, only a very small Tcl script is needed on the client machine. As the widgets are fully rendered by the Tcl clients, this mechanism is also highly efficient with respect to the necessary network bandwidth. This paper describes the implementation of LTk and shows the CLOS interface to the Tk widgets.
Communities in Social Networks
Authors: Malgorzata Krawczyk
Venue: Proceedings of the 2009 International Conference on Biometrics and Kansei Engineering (2009)

The results of two different clusterization methods applied to six social networks are presented. It is shown that elements classified together by the differential equation method, are also classified to the one community by the Newman method. It is also shown that even though for all analysed networks the cumulative node degree distribution is described by the stretched-exponential law, the distribution of the nodes among different functional types is not the same for all networks. The ACM Portal is published by the Association for Computing Machinery. Copyright © 2010 ACM, Inc. Terms of Usage Privacy Policy Code of Ethics Contact Us Useful downloads: Adobe Acrobat QuickTime Windows Media Player Real Player
Design of an electronic device for brain computer interface applications
Authors: A. Palumbo, P. Vizza, P. Veltri, A. Gambardella, F. Pucci, M. Sturniolo
Venue: Proceedings of the 2009 IEEE International Workshop on Medical Measurements and Applications (2009)

This paper presents the design of an amplifier for EEG signals. The study of EEG signals is very important for the detection of cerebral rhythmic and any abnormalities. Brain waves are classified with respect to human activity; these signals represent an extremely low dynamic range (5 – 200µV), in a frequency band of 0.5 – 40Hz. Brain electrical potentials are acquired through the use of special surface electrodes, with a monopolar mounting: sensing electrode is placed over the skull of interest, while along the mid line a second electrode is positioned for reference electrode. This work describes the single electronic stage for the conditioning of the analog acquired signal. The final simulations of the whole electronic circuit are showed and a comparison with the devices on the market is reported.