Search Results for author: Qingfa Xiao

Found 2 papers, 0 papers with code

Topic-DPR: Topic-based Prompts for Dense Passage Retrieval

no code implementations10 Oct 2023 Qingfa Xiao, Shuangyin Li, Lei Chen

Prompt-based learning's efficacy across numerous natural language processing tasks has led to its integration into dense passage retrieval.

Contrastive Learning Passage Retrieval +1

Identical and Fraternal Twins: Fine-Grained Semantic Contrastive Learning of Sentence Representations

no code implementations20 Jul 2023 Qingfa Xiao, Shuangyin Li, Lei Chen

While the InfoNCE loss function overlooks the semantic margin and prioritizes similarity maximization between positive pairs during training, leading to the insensitive semantic comprehension ability of the trained model.

Contrastive Learning Data Augmentation +3

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