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Lei Song

15 papers hereh-index 7105 citations22 works total

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

author position
  • middle author14
  • last author1

Across the 15 of 15 papers where every author was matched, so the position is known.

fields
  • cs.LG7
  • cs.CV4
  • cs.CL2
  • cs.AI1
  • cs.IR1
same name
  • Lei Song — 14 papers, h 5
  • Lei Song — 9 papers, h 9
  • Lei Song — 6 papers, h 7
  • Lei Song — 6 papers, h 4
  • Lei Song — 4 papers, h 7
  • Lei Song — 4 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 citedGraph Neural Network Enhanced Retrieval for Question Answering of LLMs

2 citations · 5 across the 15 of their papers we have counts for

collaborators
Showing 2026Show all

3 papers · 1 filter

cs.LG2026

PBSD: Privileged Bayesian Self-Distillation for Long-Horizon Credit Assignment

Yang Tian, Rui Wang, Xumeng Wen +5

Long-horizon agentic tasks pose a fundamental credit assignment challenge for outcome-base reinforcement learning: trajectory-level rewards verify final correctness but provide lim…

cs.CV2026

3DMedAgent: Unified Perception-to-Understanding for 3D Medical Analysis

Ziyue Wang, Linghan Cai, Chang Han Low +8

3D CT analysis spans a continuum from low-level perception to high-level clinical understanding. Existing 3D-oriented analysis methods adopt either isolated task-specific modeling…

cs.LG2026★ 1 cited

MedFeat: Model-Aware and Explainability-Driven Feature Engineering with LLMs for Tabular Prediction

Zizheng Zhang, Yiming Li, Justin Xu +6

In clinical tabular prediction, classical machine learning models with feature engineering often outperform neural methods. LLMs are increasingly used to automate this process, act…

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