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Lei Chen

13 papers hereh-index 445 citations21 works total

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

author position
  • first author1
  • middle author3
  • last author8

Across the 12 of 13 papers where every author was matched, so the position is known.

fields
  • cs.CL4
  • cs.IR4
  • cs.AI2
  • cs.DB2
  • cs.LG1
same name
  • Lei Chen — 18 papers, h 9
  • Lei Chen — 15 papers, h 8
  • Lei Chen — 13 papers, h 6
  • Lei Chen — 12 papers, h 4
  • Lei Chen — 12 papers, h 8
  • Lei Chen — 11 papers, h 3

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 citedWhen AI reviews science: Can we trust the referee?

1 citations · 1 across the 9 of their papers we have counts for

collaborators
Showing cs.IRShow all

4 papers · 1 filter

cs.IR2026

Memory Layer: Train the In-Model Cache for Recommendation Models

Liangyuan Na, Gufan Yin, Yixin Bao +19

Early ranking stages in recommendation systems precompute item embeddings and cache them in-model for scoring within strict latency constraints. Because this cache exists only at s…

cs.IR2026

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.IR2026

Pailitao-VL: Unified Embedding and Reranker for Real-Time Multi-Modal Industrial Search

Lei Chen, Chen Ju, Xu Chen +13

In this work, we presented Pailitao-VL, a comprehensive multi-modal retrieval system engineered for high-precision, real-time industrial search. We here address three critical chal…

cs.IR2026

Rethinking ANN-based Retrieval: Multifaceted Learnable Index for Large-scale Recommendation System

Jiang Zhang, Yubo Wang, Wei Chang +14

Approximate nearest neighbor (ANN) search is widely used in the retrieval stage of large-scale recommendation systems. In this stage, candidate items are indexed using their learne…

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