Sub-Sentence Encoder: Contrastive Learning of Propositional Semantic Representations NAACL

Sihao Chen | Hongming Zhang | Tong Chen | Ben Zhou | Wenhao Yu | Dian Yu | Baolin Peng | Hongwei Wang | Dan Roth | Dong Yu |

CopyBench: Measuring Literal and Non-Literal Reproduction of Copyright-Protected Text in Language Model Generation EMNLP

Tong Chen | Akari Asai | Niloofar Mireshghallah | Sewon Min | James Grimmelmann | Yejin Choi | Hannaneh Hajishirzi | Luke Zettlemoyer | Pang Wei Koh |

Dense X Retrieval: What Retrieval Granularity Should We Use? EMNLP

Tong Chen | Hongwei Wang | Sihao Chen | Wenhao Yu | Kaixin Ma | Xinran Zhao | Hongming Zhang | Dong Yu |

MixGR: Enhancing Retriever Generalization for Scientific Domain through Complementary Granularity EMNLP

Fengyu Cai | Xinran Zhao | Tong Chen | Sihao Chen | Hongming Zhang | Iryna Gurevych | Heinz Koeppl |