Negative Matters: Multi-Granularity Hard-Negative Synthesis and Anchor-Token-Aware Pooling for Enhanced Text Embeddings

Tengyu Pan, Zhichao Duan 0001, Zhenyu Li, Bowen Dong, Ning Liu 0014, Xiuxing Li, Jianyong Wang 0001. Negative Matters: Multi-Granularity Hard-Negative Synthesis and Anchor-Token-Aware Pooling for Enhanced Text Embeddings. In Wanxiang Che, Joyce Nabende, Ekaterina Shutova, Mohammad Taher Pilehvar, editors, Proceedings of the 63rd Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers), ACL 2025, Vienna, Austria, July 27 - August 1, 2025. pages 31102-31118, Association for Computational Linguistics, 2025. [doi]

Abstract

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