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cs.CL2024
SparseCL: Sparse Contrastive Learning for Contradiction Retrieval
Haike Xu, Zongyu Lin, Yizhou Sun +2
Contradiction retrieval refers to identifying and extracting documents that explicitly disagree with or refute the content of a query, which is important to many downstream applica…
cs.CL2022
A Universal Discriminator for Zero-Shot Generalization
Haike Xu, Zongyu Lin, Jing Zhou +2
Generative modeling has been the dominant approach for large-scale pretraining and zero-shot generalization. In this work, we challenge this convention by showing that discriminati…