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Hejian Sang

23 papers hereh-index 5106 citations22 works total

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

author position
  • first author2
  • middle author15
  • last author1

Across the 18 of 23 papers where every author was matched, so the position is known.

fields
  • cs.LG13
  • cs.AI3
  • cs.CL2
  • cs.IR2
  • cs.DC1
  • cs.GR1
same name
  • Hejian Sang — 5 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

most citedScaling Down, Serving Fast: Compressing and Deploying Efficient LLMs for Recommendation Systems

1 citations · 1 across the 19 of their papers we have counts for

collaborators
Showing cs.AIShow all

3 papers · 1 filter

cs.AI2026

PACED: Distillation and On-Policy Self-Distillation at the Frontier of Student Competence

Yuanda Xu, Hejian Sang, Zhengze Zhou +2

Standard LLM distillation treats all training problems equally -- wasting compute on problems the student has already mastered or cannot yet solve. We empirically show that this in…

cs.AI2026

Scaling In-Context Online Learning Capability of LLMs via Cross-Episode Meta-RL

Xiaofeng Lin, Sirou Zhu, Yilei Chen +6

Large language models (LLMs) achieve strong performance when all task-relevant information is available upfront, as in static prediction and instruction-following problems. However…

cs.AI2025

Planner-R1: Reward Shaping Enables Efficient Agentic RL with Smaller LLMs

Siyu Zhu, Yanbin Jiang, Hejian Sang +6

We investigated Agentic RL with large language models on the \textsc{TravelPlanner} benchmark. Our approach, \textsc{Planner-R1}, achieved a \textbf{56.9\%} final-pass rate with on…

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