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Lei Sha

7 papers hereh-index 338 citations7 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • middle author3
  • last author3

Across the 6 of 7 papers where every author was matched, so the position is known.

fields
  • cs.CL4
  • cs.AI1
  • cs.CR1
  • cs.DB1
same name
  • Lei Sha — 15 papers, h 19
  • Lei Sha — 10 papers, h 9
  • Lei Sha — 9 papers, h 3
  • Lei Sha — 3 papers, h 2
  • Lei Sha — 1 paper, h 2

Either other researchers who publish under this name, or the same person where the external sources have not merged their records.

identity via Semantic Scholar / OpenAlex

activity
20242026
most citedUnlocking Multi-View Insights in Knowledge-Dense Retrieval-Augmented Generation

6 citations · 7 across the 5 of their papers we have counts for

collaborators
Showing cs.CLShow all

4 papers · 1 filter

cs.CL2026

Hallucination-R1: Robustness-Oriented Paraphrase Generation for Factual Consistency

Wenhan Yu, Wenxin Wu, Hao Wang +1

Factual hallucination is commonly defined by incorrect factual outputs. We study a paraphrase-induced hallucination setting, where a model answers a factual question correctly in i…

cs.CL2026

JustMem: Just-Enough Memory Access for Long-Term Conversations

Guanhua Chen, Yanting Wang, Wenjing Zhi +1

Efficient long-term conversational memory requires retrieving sufficient evidence without indiscriminately expanding the context presented to the language model. This is challengin…

cs.CL2025★ 1 cited

CMRAG: Co-modality-based visual document retrieval and question answering

Wang Chen, Wenhan Yu, Guanqiang Qi +5

Retrieval-Augmented Generation (RAG) has become a core paradigm in document question answering tasks. However, existing methods have limitations when dealing with multimodal docume…

cs.CL2024★ 6 cited

Unlocking Multi-View Insights in Knowledge-Dense Retrieval-Augmented Generation

Guanhua Chen, Wenhan Yu, Xiao Lu +3

While Retrieval-Augmented Generation (RAG) plays a crucial role in the application of Large Language Models (LLMs), existing retrieval methods in knowledge-dense domains like law a…

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