| 2023 | EMNLP | Augmenting Zero-Shot Dense Retrievers with Plug-in Mixture-of-Memories. | Suyu Ge, Chenyan Xiong, Corby Rosset, Arnold Overwijk, Jiawei Han, Paul Bennett |
| 2022 | EMNLP | Reduce Catastrophic Forgetting of Dense Retrieval Training with Teleportation Negatives. | Si Sun, Chenyan Xiong, Yue Yu, Arnold Overwijk, Zhiyuan Liu, Jie Bao |
| 2022 | EMNLP | COCO-DR: Combating the Distribution Shift in Zero-Shot Dense Retrieval with Contrastive and Distributionally Robust Learning. | Yue Yu, Chenyan Xiong, Si Sun, Chao Zhang, Arnold Overwijk |
| 2022 | SIGIR | ClueWeb22: 10 Billion Web Documents with Rich Information. | Arnold Overwijk, Chenyan Xiong, Jamie Callan |
| 2021 | EMNLP | Less is More: Pretrain a Strong Siamese Encoder for Dense Text Retrieval Using a Weak Decoder. | Shuqi Lu, Di He, Chenyan Xiong, Guolin Ke, Waleed Malik, Zhicheng Dou, Paul Bennett, Tie-Yan Liu, Arnold Overwijk |
| 2021 | ICLR | Approximate Nearest Neighbor Negative Contrastive Learning for Dense Text Retrieval. | Lee Xiong, Chenyan Xiong, Ye Li, Kwok-Fung Tang, Jialin Liu, Paul N. Bennett, Junaid Ahmed, Arnold Overwijk |
| 2019 | EMNLP | Open Domain Web Keyphrase Extraction Beyond Language Modeling. | Lee Xiong, Chuan Hu, Chenyan Xiong, Daniel Campos, Arnold Overwijk |
| 2011 | SOFSEM | A Local Search Algorithm for Branchwidth. | Arnold Overwijk, Eelko Penninkx, Hans L. Bodlaender |