{ "overview": { "where": { "has-leaderboard": "yes", "leaderboard-url": "[Link](https://inklab.usc.edu/CommonGen/leaderboard.html)", "leaderboard-description": "The model outputs are evaluated against the crowdsourced references, and ranked by SPICE score. The leaderboard also reports BLEU-4 and CIDEr scores.", "website": "[link](https://inklab.usc.edu/CommonGen/)", "data-url": "[Link](https://github.com/INK-USC/CommonGen)", "paper-url": "[Link](https://aclanthology.org/2020.findings-emnlp.165)", "paper-bibtext": "```\n@inproceedings{lin-etal-2020-commongen,\n title = \"{C}ommon{G}en: A Constrained Text Generation Challenge for Generative Commonsense Reasoning\",\n author = \"Lin, Bill Yuchen and\n Zhou, Wangchunshu and\n Shen, Ming and\n Zhou, Pei and\n Bhagavatula, Chandra and\n Choi, Yejin and\n Ren, Xiang\",\n booktitle = \"Findings of the Association for Computational Linguistics: EMNLP 2020\",\n month = nov,\n year = \"2020\",\n address = \"Online\",\n publisher = \"Association for Computational Linguistics\",\n url = \"https://www.aclweb.org/anthology/2020.findings-emnlp.165\",\n pages = \"1823--1840\",\n}\n```", "contact-email": "yuchen.lin@usc.edu", "contact-name": "Bill Yuchen Lin" }, "languages": { "is-multilingual": "no", "license": "mit: MIT License", "task-other": "N/A", "language-names": [ "English" ], "language-dialects": "No information is provided on regional restrictions and we thus assume that the covered dialects are those spoken by raters on Mechanical Turk. ", "language-speakers": "The concepts were extracted from multiple English image captioning datasets and the data was collected via Amazon Mechanical Turk. No information on regional restrictions is provided. ", "intended-use": "CommonGen is a constrained text generation task, associated with a benchmark dataset, to explicitly test machines for the ability of generative commonsense reasoning. ", "license-other": "N/A", "task": "Reasoning", "communicative": "The speaker is required to produce a *coherent* sentence which mentions all of the source concepts, and which describes a *likely* situation that could be captured in a picture or video.\n" }, "credit": { "organization-type": [ "academic", "independent" ], "organization-names": "The dataset was curated by a joint team of researchers from the University of Southern California and Allen Institute for Artificial Intelligence.", "creators": "Bill Yuchen Lin (USC), Wangchunshu Zhou (USC), Ming Shen (USC), Pei Zhou (USC), Chandra Bhagavatula (AllenAI), Yejin Choi (AllenAI + UW), Xiang Ren (USC)", "funding": "The research is based upon work supported in part by the Office of the Director of National Intelligence (ODNI), Intelligence Advanced Research Projects Activity (IARPA), the DARPA MCS program, and NSF SMA 18-29268.", "gem-added-by": "Yacine Jernite created the initial data card. It was later extended by Simon Mille. Sebastian Gehrmann migrated it to the GEMv2 format. " }, "structure": { "data-fields": "A data instance has the following fields:\n\n- `concepts`: a `list` of `string` values denoting the concept the system should write about. Has 3 to 5 items, constitutes the `input` of the task.\n- `target`: a sentence `string` mentioning all of the above mentioned `concepts`. Constitutes the desired `output` of the task.\n", "structure-splits": "Each example in the dataset consists of a set of 3 to 5 concepts denoted by a single noun, verb, or adjective (the input), and a sentence using these concepts (the output). The dataset provides several such sentences for each such concept.\n\n| | Train | Dev | Test |\n|---------------------------|--------|-------|-------|\n| **Total concept-sets** | 32,651 | 993 | 1,497 |\n| **Total sentences** | 67,389 | 4,018 | 6,042 |\n|**Average sentence length**| 10.54 | 11.55 | 13.34 |\n\n", "structure-example": "```\n[\n {\n \"concepts\": ['ski', 'mountain', 'skier'],\n \"target\": 'Skier skis down the mountain',\n },\n {\n \"concepts\": ['ski', 'mountain', 'skier'],\n \"target\": 'Three skiers are skiing on a snowy mountain.',\n },\n]\n```", "structure-splits-criteria": "The dev and test set were created by sampling sets of concepts of size 4 or 5 (and as many of size 3 for the dev set) present in the source captioning datasets and having crowd-workers write reference sentences using these concepts.\n\nConversely, the training set has more concept sets of size 3 than of size 4 and 5, and uses the original captions from the source datasets as references.\n\nThe authors also ensured that the training, dev and test set have different combinations of unique concepts to ensure compositionality (details in [Table 1](https://arxiv.org/pdf/1911.03705v3.pdf)).", "structure-outlier": "n/a", "structure-labels": "n/a", "structure-description": "n/a" }, "what": { "dataset": "CommonGen is an English text generation task to explicitly test machines for the ability of generative commonsense reasoning. Given a set of common concepts, the task is to generate a coherent sentence describing an everyday scenario using these concepts. CommonGen is challenging because it inherently requires 1) relational reasoning using background commonsense knowledge, and 2) compositional generalization ability to work on unseen concept combinations. The dataset, constructed through a combination of crowd-sourcing from AMT and existing caption corpora, consists of 30k concept-sets and 50k sentences in total. Note that the CommonGen test set is private and requires submission to the external leaderboard." } }, "curation": { "original": { "is-aggregated": "yes", "aggregated-sources": " - [Flickr30k](https://www.mitpressjournals.org/doi/abs/10.1162/tacl_a_00166)\n - [MSCOCO](https://link.springer.com/chapter/10.1007/978-3-319-10602-1_48)\n - [Conceptual Captions](https://www.aclweb.org/anthology/P18-1238/)\n- Video captioning datasets:\n - [LSMDC](https://link.springer.com/article/10.1007/s11263-016-0987-1)\n - [ActivityNet](https://openaccess.thecvf.com/content_iccv_2017/html/Krishna_Dense-Captioning_Events_in_ICCV_2017_paper.html)\n - [VaTeX](https://openaccess.thecvf.com/content_ICCV_2019/html/Wang_VaTeX_A_Large-Scale_High-Quality_Multilingual_Dataset_for_Video-and-Language_Research_ICCV_2019_paper.html)\n", "rationale": "The dataset creators selected sets of concepts that appeared in image and video captions (as identified by a POS tagger) to ensure that a likely real-world scenario including the set could be imagined and constructed. Section 3.1 of the [paper](https://arxiv.org/pdf/1911.03705v3.pdf) describes a sampling scheme which encourages diversity of sets while selecting common concepts.\n", "communicative": "The speaker is required to produce a *coherent* sentence which mentions all of the source concepts, and which describes a *likely* situation that could be captured in a picture or video.\n" }, "language": { "found": [], "crowdsourced": [ "Amazon Mechanical Turk" ], "created": "N/A", "machine-generated": "N/A", "validated": "validated by data curator", "is-filtered": "algorithmically", "filtered-criteria": "During the data collection, workers who provided rationales that were too short, failed to have good coverage of the input in their sentences, or workers whose output had a high perplexity under a GPT-2 model were disqualified from the pool and replaced with newcomers.\n", "obtained": [ "Crowdsourced" ], "producers-description": "The training data consists of concept sets and captions for the source datasets. The concept sets are the sets of labels of the images or videos, selected with a heuristic to maximize diversity while ensuring that they represent likely scenarios.\n\nThe dev and test set sentences were created by Amazon Mechanical Turk crowd workers. The workers were shown an example generation and a set of 4 or 5 concept names along with their part-of-speech and asked to write:\n1. One sentence mentioning all of the concepts\n2. A rationale explaining how the sentence connects the concept\n\nA screenshot of the interface is provided in Figure 7 of the [Appendix](https://arxiv.org/pdf/1911.03705v3.pdf).\n", "pre-processed": "n/a", "topics": "Information was not provided." }, "annotations": { "origin": "none", "rater-number": "N/A", "rater-qualifications": "N/A", "rater-training-num": "N/A", "rater-test-num": "N/A", "rater-annotation-service-bool": "no", "rater-annotation-service": [], "values": "N/A", "quality-control": [], "quality-control-details": "N/A" }, "consent": { "has-consent": "no", "consent-policy": "N/A", "consent-other": "N/A", "no-consent-justification": "The data was sourced from Mechanical Turk which means that raters were aware that their annotations may be publicly released for research purposes. " }, "pii": { "has-pii": "no PII", "no-pii-justification": "The concepts are restricted to verbs, adjectives, and common nouns, and no personal information is given in the captions.\n", "is-pii-identified": "N/A", "pii-identified-method": "N/A", "is-pii-replaced": "N/A", "pii-replaced-method": "N/A", "pii-categories": [] }, "maintenance": { "has-maintenance": "no", "description": "N/A", "contact": "N/A", "contestation-mechanism": "N/A", "contestation-link": "N/A", "contestation-description": "N/A" } }, "gem": { "rationale": { "sole-task-dataset": "no", "sole-language-task-dataset": "N/A", "distinction-description": "N/A", "contribution": "CommonGen is a medium sized corpus with a unique reasoning challenge and interesting evaluation possibilities.\n", "model-ability": "Commonsense reasoning" }, "curation": { "has-additional-curation": "yes", "modification-types": [ "other" ], "modification-description": "4 challenge sets for CommenGen were added to the GEM evaluation suite.\n", "has-additional-splits": "yes", "additional-splits-description": "1. Data Shift\n\nWe created subsets of the training and development sets of ~500 randomly selected inputs each.\n\n2. Transformations\n\nWe applied input scrambling on a subset of 500 randomly selected test instances; the order of the concepts was randomly reassigned.\n\n3. Subpopulations\n\nWe created a subpopulation based on input length, taking into account the number of concepts the input test structures. By comparing inputs of different lengths, we can see to what extent systems are able to handle different input sizes\n\n| Concept number | Frequency English |\n|----------------|-------------------|\n| 4 | 747 |\n| 5 | 750 |\n\n\n", "additional-splits-capacicites": "Generalization and Robustness" }, "starting": { "research-pointers": "- Two variants of [BART](https://arxiv.org/abs/1910.13461), [Knowledge Graph augemnted-BART](https://arxiv.org/abs/2009.12677) and [Enhanced Knowledge Injection Model for Commonsense Generation](https://arxiv.org/abs/2012.00366), hold the top two spots on the leaderboard, followed by a fine-tuned [T5 model](https://arxiv.org/abs/1910.10683).\n- The following script shows how to download and load the data, fine-tune, and evaluate a model using the ROUGE, BLEU, and METEOR metrics: [GEM sample script](https://github.com/GEM-benchmark/GEM-baseline-models/blob/main/examples/GEM-common_gen.ipynb).\n", "technical-terms": "n/a" } }, "results": { "results": { "other-metrics-definitions": "- SPICE: An evaluation metric for image captioning that is defined over scene graphs\n- CIDEr: An n-gram overlap metric based on cosine similarity between the TF-IDF weighted ngram counts\n", "has-previous-results": "yes", "current-evaluation": "The currently best performing model KFCNet (https://aclanthology.org/2021.findings-emnlp.249/) uses the same automatic evaluation but does not conduct any human evaluation. ", "previous-results": "The most relevant results can be seen on the [leaderboard](https://inklab.usc.edu/CommonGen/leaderboard.html)", "model-abilities": "Commonsense Reasoning", "metrics": [ "Other: Other Metrics", "BLEU", "ROUGE", "METEOR" ], "original-evaluation": "The main metrics are captioning metrics since the original concept lists were extracted from captioning datasets. A human subject study with five graduate students was conducted and they were asked to rank the \"commonsense plausibility\" of two models at a time. " } }, "considerations": { "pii": { "risks-description": "The concepts are restricted to verbs, adjectives, and common nouns, and no personal information is given in the captions.\n" }, "licenses": { "dataset-restrictions-other": "N/A", "data-copyright-other": "N/A", "dataset-restrictions": [ "open license - commercial use allowed" ], "data-copyright": [ "open license - commercial use allowed" ] }, "limitations": { "data-technical-limitations": "The dataset is in English, a language with an abundance of existing resources.\n\nThe use of GPT-2 to validate development ant test sentences [might be cause for similar concern](https://www.aclweb.org/anthology/D19-1339.pdf), but we do note that the authors only use the model to discount very high perplexity sequences which is less likely to surface those biases.\n\nThe language in the development and test set is crowdsourced, which means that it was written by workers whose main goal was speed. This is likely to impact the quality and variety of the targets. The population of crowdsource workers is also not identically distributed as the the base population of the locations the workers come from, which may lead to different representation of situations or underlying expectations of what these situations are.\n", "data-unsuited-applications": "Due to the overrepresentation of US-situations, the system may not work for users across the world. Moreover, only limited information on the dataset quality are provided and the system may fail as a result of unknown issues.", "data-discouraged-use": "Any system needs to be evaluated on a broader set of unseen concepts then provided in the dataset. Since the references for the test set are private, it is not known how well findings generalize beyond the collection methodology. " } }, "context": { "previous": { "is-deployed": "no", "described-risks": "N/A", "changes-from-observation": "N/A" }, "underserved": { "helps-underserved": "no", "underserved-description": "N/A" }, "biases": { "has-biases": "no", "speaker-distibution": "The dataset is created using data from image captioning systems and might inherit some of the social biases represented therein (see e.g. [Tang et al. 2020](https://arxiv.org/abs/2006.08315)).\n\nAnother related concern is the exposure bias introduced by the initial selection of pictures and video, which are likely to over-represent situations that are common in the US at the expense of other parts of the world (Flickr, for example, is a US-based company founded in Canada). For more discussion of the potential impacts of exposure bias, see e.g. [The Social Impact of Natural Language Processing](https://www.aclweb.org/anthology/P16-2096.pdf).\n\n", "bias-analyses": "N/A" } } }