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cs.CL2024
HiLight: A Hierarchy-aware Light Global Model with Hierarchical Local ConTrastive Learning
Zhijian Chen, Zhonghua Li, Jianxin Yang +1
Hierarchical text classification (HTC) is a special sub-task of multi-label classification (MLC) whose taxonomy is constructed as a tree and each sample is assigned with at least o…
cs.CL2024
FecTek: Enhancing Term Weight in Lexicon-Based Retrieval with Feature Context and Term-level Knowledge
Zunran Wang, Zhonghua Li, Wei Shen +2
Lexicon-based retrieval has gained siginificant popularity in text retrieval due to its efficient and robust performance. To further enhance performance of lexicon-based retrieval,…