| 2021 | Universal Semantic Tagging for English and Mandarin Chinese. | Wenxi Li, Yiyang Hou, Yajie Ye, Li Liang, Weiwei Sun |
| 2021 | Target-Aware Data Augmentation for Stance Detection. | Yingjie Li, Cornelia Caragea |
| 2021 | A Global Past-Future Early Exit Method for Accelerating Inference of Pre-trained Language Models. | Kaiyuan Liao, Yi Zhang, Xuancheng Ren, Qi Su, Xu Sun, Bin He |
| 2021 | Explainable Multi-hop Verbal Reasoning Through Internal Monologue. | Zhengzhong Liang, Steven Bethard, Mihai Surdeanu |
| 2021 | Quality Estimation for Image Captions Based on Large-scale Human Evaluations. | Tomer Levinboim, Ashish V. Thapliyal, Piyush Sharma, Radu Soricut |
| 2021 | Intent Features for Rich Natural Language Understanding. | Brian Lester, Sagnik Ray Choudhury, Rashmi Prasad, Srinivas Bangalore |
| 2021 | Knowledge-Driven Slot Constraints for Goal-Oriented Dialogue Systems. | Piyawat Lertvittayakumjorn, Daniele Bonadiman, Saab Mansour |
| 2021 | Does BERT Pretrained on Clinical Notes Reveal Sensitive Data? | Eric P. Lehman, Sarthak Jain, Karl Pichotta, Yoav Goldberg, Byron C. Wallace |
| 2021 | KPQA: A Metric for Generative Question Answering Using Keyphrase Weights. | Hwanhee Lee, Seunghyun Yoon, Franck Dernoncourt, Doo Soon Kim, Trung Bui, Joongbo Shin, Kyomin Jung |
| 2021 | Leveraging Deep Representations of Radiology Reports in Survival Analysis for Predicting Heart Failure Patient Mortality. | Hyun Gi Lee, Evan Sholle, Ashley Beecy, Subhi J. Al'Aref, Yifan Peng |
| 2021 | Modeling Human Mental States with an Entity-based Narrative Graph. | I-Ta Lee, Maria Leonor Pacheco, Dan Goldwasser |
| 2021 | On Unifying Misinformation Detection. | Nayeon Lee, Belinda Z. Li, Sinong Wang, Pascale Fung, Hao Ma, Wen-tau Yih, Madian Khabsa |
| 2021 | Swords: A Benchmark for Lexical Substitution with Improved Data Coverage and Quality. | Mina Lee, Chris Donahue, Robin Jia, Alexander Iyabor, Percy Liang |
| 2021 | Towards Few-shot Fact-Checking via Perplexity. | Nayeon Lee, Yejin Bang, Andrea Madotto, Pascale Fung |
| 2021 | Lattice-BERT: Leveraging Multi-Granularity Representations in Chinese Pre-trained Language Models. | Yuxuan Lai, Yijia Liu, Yansong Feng, Songfang Huang, Dongyan Zhao |
| 2021 | A Context-Dependent Gated Module for Incorporating Symbolic Semantics into Event Coreference Resolution. | Tuan Manh Lai, Heng Ji, Trung Bui, Quan Hung Tran, Franck Dernoncourt, Walter Chang |
| 2021 | News Headline Grouping as a Challenging NLU Task. | Philippe Laban, Lucas Bandarkar, Marti A. Hearst |
| 2021 | Coherent and Concise Radiology Report Generation via Context Specific Image Representations and Orthogonal Sentence States. | Litton J. Kurisinkel, Ai Ti Aw, Nancy F. Chen |
| 2021 | How low is too low? A monolingual take on lemmatisation in Indian languages. | Saunack Kumar, Saurav Kumar, Pushpak Bhattacharyya |
| 2021 | Hurdles to Progress in Long-form Question Answering. | Kalpesh Krishna, Aurko Roy, Mohit Iyyer |
| 2021 | Morphology-Aware Meta-Embeddings for Tamil. | Arjun Sai Krishnan, Seyoon Ragavan |
| 2021 | Comparison of Grammatical Error Correction Using Back-Translation Models. | Aomi Koyama, Kengo Hotate, Masahiro Kaneko, Mamoru Komachi |
| 2021 | Discourse Probing of Pretrained Language Models. | Fajri Koto, Jey Han Lau, Timothy Baldwin |
| 2021 | Sentence Concatenation Approach to Data Augmentation for Neural Machine Translation. | Seiichiro Kondo, Kengo Hotate, Tosho Hirasawa, Masahiro Kaneko, Mamoru Komachi |
| 2021 | Bridging Resolution: Making Sense of the State of the Art. | Hideo Kobayashi, Vincent Ng |