Haitian Chen, Qingyao Ai, Yujia Zhou 0002, Xiao Wang 0043, Yiqun Liu 0001, Fen Lin, Qin Liu 0022. Unsupervised Dense Retrieval with Conterfactual Contrastive Learning. In Proceedings of the Nineteenth ACM International Conference on Web Search and Data Mining, WSDM 2026, Boise, ID, USA, February 22-26, 2026. pages 47-57, ACM, 2026. [doi]
Abstract is missing.