Chandra Bhagavatula


Senior Research Scientist, AI2

Publications


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2021


DEXPERTS: Decoding-Time Controlled Text Generation with Experts and Anti-Experts


Alisa Liu, Maarten Sap, Ximing Lu, Swabha Swayamdipta, Chandra Bhagavatula, Noah A Smith, Yejin Choi



On-the-Fly Attention Modularization for Neural Generation


Yue Dong, Chandra Bhagavatula, Ximing Lu, Jena D Hwang, Antoine Bosselut, Jackie Chi Kit Cheung, Yejin Choi


arXiv preprint arXiv:2101.00371, 2021


“I’m Not Mad”: Commonsense Implications of Negation and Contradiction


Liwei Jiang, Antoine Bosselut, Chandra Bhagavatula, Yejin Choi


Proceedings of the 2021 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, 2021, pp. 4380--4397


UNICORN on RAINBOW: A Universal Commonsense Reasoning Model on a New Multitask Benchmark


Nicholas Lourie, Ronan Le Bras, Chandra Bhagavatula, Yejin Choi


Proceedings of the AAAI Conference on Artificial Intelligence, 2021, pp. 13480--13488


proScript: Partially Ordered Scripts Generation via Pre-trained Language Models


Keisuke Sakaguchi, Chandra Bhagavatula, Ronan Le Bras, Niket Tandon, Peter Clark, Yejin Choi


arXiv preprint arXiv:2104.08251, 2021


CommonsenseQA 2.0: Exposing the Limits of AI through Gamification


Alon Talmor, Ori Yoran, Ronan Le Bras, Chandra Bhagavatula, Yoav Goldberg, Yejin Choi, Jonathan Berant


2021


Adversarial Filters of Dataset Biases


Ronan Le Bras, Swabha Swayamdipta, Chandra Bhagavatula, Rowan Zellers, Matthew Peters, Ashish Sabharwal, Yejin Choi


International Conference on Machine Learning, 2020 Jun 11, pp. 1078-1088



2020


Visual Commonsense Graphs: Reasoning about the Dynamic Context of a Still Image


Jae Sung Park, Chandra Bhagavatula, Roozbeh Mottaghi, Ali Farhadi, Yejin Choi


ECCV 2020 Spotlight, 2020


Generative data augmentation for commonsense reasoning


Yiben Yang, Chaitanya Malaviya, Jared Fernandez, Swabha Swayamdipta, Ronan Le Bras, Ji-Ping Wang, Chandra Bhagavatula, Yejin Choi, Doug Downey


arXiv preprint arXiv:2004.11546, 2020


Thinking Like a Skeptic: Defeasible Inference in Natural Language


Rachel Rudinger, Vered Shwartz, Jena D. Hwang, Chandra Bhagavatula, Maxwell Forbes, Ronan Le Bras, Noah A. Smith, Yejin Choi


Findings of the Association for Computational Linguistics: EMNLP 2020, Association for Computational Linguistics, Online, 2020 Nov, pp. 4661--4675


Abductive Commonsense Reasoning


Chandra Bhagavatula, Ronan Le Bras, Chaitanya Malaviya, Keisuke Sakaguchi, Ari Holtzman, Hannah Rashkin, Doug Downey, Wen-tau Yih, Yejin Choi


International Conference on Learning Representations, 2020 Mar 29


Commonsense Knowledge Base Completion with Structural and Semantic Context


Chaitanya Malaviya, Chandra Bhagavatula, Antoine Bosselut, Yejin Choi


National Conference on Artificial Intelligence, vol. 34(3), 2020 Mar 2, pp. 2925-2933


WinoGrande: An Adversarial Winograd Schema Challenge at Scale [Outstanding Paper Award]


Keisuke Sakaguchi, Ronan Le Bras, Chandra Bhagavatula, Yejin Choi


National Conference on Artificial Intelligence, vol. 34(5), 2020 Mar 2, pp. 8732-8740


Adversarial Filters of Dataset Biases


Ronan Le Bras, Swabha Swayamdipta, Chandra Bhagavatula, Rowan Zellers, Matthew E. Peters, Ashish Sabharwal, Yejin Choi


arXiv: Learning, 2020 Jan 9



2019


Counterfactual Story Reasoning and Generation


Lianhui Qin, Antoine Bosselut, Ari Holtzman, Chandra Bhagavatula, Elizabeth Clark, Yejin Choi


Empirical Methods in Natural Language Processing, 2019 Sep 31, pp. 5042-5052


Commonsense Knowledge Base Completion with Structural and Semantic Context.


Chaitanya Malaviya, Chandra Bhagavatula, Antoine Bosselut, Yejin Choi


arXiv: Computation and Language, 2019 Sep 6


Counterfactual Story Reasoning and Generation


Lianhui Qin, Antoine Bosselut, Ari Holtzman, Chandra Bhagavatula, Elizabeth Clark, Yejin Choi


arXiv: Computation and Language, 2019 Aug 8


Cosmos QA: Machine Reading Comprehension with Contextual Commonsense Reasoning


Lifu Huang, Ronan Le Bras, Chandra Bhagavatula, Yejin Choi


Empirical Methods in Natural Language Processing, 2019 Jul 30, pp. 2391-2401


ATOMIC: An Atlas of Machine Commonsense for If-Then Reasoning


Maarten Sap, Ronan Le Bras, Emily Allaway, Chandra Bhagavatula, Nicholas Lourie, Hannah Rashkin, Brendan Roof, Noah A. Smith, Yejin Choi


National Conference on Artificial Intelligence, vol. 33(1), 2019 Jun 16, pp. 3027-3035



2018


Ontology alignment in the biomedical domain using entity definitions and context


Lucy Lu Wang, Chandra Bhagavatula, Mark Neumann, Kyle Lo, Chris Wilhelm, Waleed Ammar


arXiv preprint arXiv:1806.07976, 2018


Content-Based Citation Recommendation


Chandra Bhagavatula, Sergey Feldman, Russell Power, Waleed Ammar


North American Chapter of the Association for Computational Linguistics, 2018 Apr 31, pp. 238-251


Construction of the Literature Graph in Semantic Scholar


Waleed Ammar, Dirk Groeneveld, Chandra Bhagavatula, Iz Beltagy, Miles Crawford, Doug Downey, Jason Dunkelberger, Ahmed Elgohary, Sergey Feldman, Vu Ha, Rodney Kinney, Sebastian Kohlmeier, Kyle Lo, Tyler Murray, Hsu-Han Ooi, Matthew E. Peters, Joanna Power, Sam Skjonsberg, Lucy Lu Wang, Chris Wilhelm, Zheng Yuan, Madeleine van Zuylen, Oren Etzioni


North American Chapter of the Association for Computational Linguistics, 2018 Apr 5, pp. 84-91


Construction of the Literature Graph in Semantic Scholar


Waleed Ammar, Dirk Groeneveld, Chandra Bhagavatula, Iz Beltagy, Miles Crawford, Doug Downey, Jason Dunkelberger, Ahmed Elgohary, Sergey Feldman, Vu Ha, Rodney Kinney, Sebastian Kohlmeier, Kyle Lo, Tyler Murray, Hsu-Han Ooi, Matthew Peters, Joanna Power, Sam Skjonsberg, Lucy Lu Wang, Chris Wilhelm, Zheng Yuan, Madeleine van Zuylen, Oren Etzioni


arXiv: Computation and Language, 2018 Apr 5


Content-Based Citation Recommendation


Chandra Bhagavatula, Sergey Feldman, Russell Power, Waleed Ammar


arXiv: Computation and Language, 2018 Jan 21



2017


The ai2 system at semeval-2017 task 10 (scienceie): semi-supervised end-to-end entity and relation extraction


Waleed Ammar, Matthew Peters, Chandra Bhagavatula, Russell Power


Proceedings of the 11th International Workshop on Semantic Evaluation (SemEval-2017), 2017, pp. 592--596


Semi-supervised sequence tagging with bidirectional language models


Matthew E. Peters, Waleed Ammar, Chandra Bhagavatula, Russell Power


arXiv: Computation and Language, 2017 Mar 28


Semi-supervised sequence tagging with bidirectional language models


Matthew E. Peters, Waleed Ammar, Chandra Bhagavatula, Russell Power


Meeting of the Association for Computational Linguistics, 2017 Feb 31, pp. 1756-1765



2015


TabEL: Entity Linking in Web Tables


Chandra Sekhar Bhagavatula, Thanapon Noraset, Doug Downey


International Semantic Web Conference, 2015 Sep 10, pp. 425-441



2013


Methods for exploring and mining tables on Wikipedia


Chandra Sekhar Bhagavatula, Thanapon Noraset, Doug Downey


Knowledge Discovery and Data Mining, 2013 Jul 10, pp. 18-26