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Lei Chen

14 papers hereh-index 445 citations22 works total

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

author position
  • first author1
  • middle author4
  • last author8

Across the 13 of 14 papers where every author was matched, so the position is known.

fields
  • cs.CL4
  • cs.IR4
  • cs.AI3
  • cs.DB2
  • cs.LG1
same name
  • Lei Chen — 41 papers, h 71
  • Lei Chen — 26 papers, h 7
  • Lei Chen — 25 papers, h 14
  • Lei Chen — 21 papers, h 8
  • Lei Chen — 19 papers, h 9
  • Lei Chen — 13 papers, h 9

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
20232026
most citedOpenRAG: Optimizing RAG End-to-End via In-Context Retrieval Learning

1 citations · 2 across the 14 of their papers we have counts for

collaborators
Showing 2025Show all

4 papers · 1 filter

cs.IR2025

SilverTorch: A Unified Model-based System to Democratize Large-Scale Recommendation on GPUs

Bi Xue, Hong Wu, Lei Chen +29

Serving deep learning based recommendation models (DLRM) at scale is challenging. Existing approaches rely on dedicated ANN indexing and filtering services on CPUs, suffering from…

cs.CL2025

Optimizing Retrieval for RAG via Reinforcement Learning

Jiawei Zhou, Lei Chen

As retrieval-augmented generation (RAG) becomes more widespread, the role of retrieval is shifting from retrieving information for human browsing to retrieving context for AI reaso…

cs.DB2025

Interactive Text-to-SQL via Expected Information Gain for Disambiguation

Luyu Qiu, Jianing Li, Chi Su +1

Relational databases are foundational to numerous domains, including business intelligence, scientific research, and enterprise systems. However, accessing and analyzing structured…

cs.CL2025★ 1 cited

OpenRAG: Optimizing RAG End-to-End via In-Context Retrieval Learning

Jiawei Zhou, Lei Chen

In this paper, we analyze and empirically show that the learned relevance for conventional information retrieval (IR) scenarios may be inconsistent in retrieval-augmented generatio…

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Not affiliated with arXiv. Researcher data from Semantic Scholar (ODC-BY) and OpenAlex.