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Lifeng Jin

19 papers hereh-index 11713 citations34 works total

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

author position
  • first author2
  • middle author14
  • last author1

Across the 17 of 19 papers where every author was matched, so the position is known.

fields
  • cs.CL16
  • cs.CV1
  • cs.CY1
  • cs.LG1
same name
  • Lifeng Jin — 7 papers, h 13

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
20212026
most citedHierarchical Context Tagging for Utterance Rewriting

9 citations · 26 across the 19 of their papers we have counts for

collaborators
Showing 2025Show all

2 papers · 1 filter

cs.LG2025

Chasing the Tail: Effective Rubric-based Reward Modeling for Large Language Model Post-Training

Junkai Zhang, Zihao Wang, Lin Gui +7

Reinforcement fine-tuning (RFT) often suffers from reward over-optimization, where a policy model hacks the reward signals to achieve high scores while producing low-quality output…

cs.CL2025★ 3 cited

MultiChallenge: A Realistic Multi-Turn Conversation Evaluation Benchmark Challenging to Frontier LLMs

Ved Sirdeshmukh, Kaustubh Deshpande, Johannes Mols +7

We present MultiChallenge, a pioneering benchmark evaluating large language models (LLMs) on conducting multi-turn conversations with human users, a crucial yet underexamined capab…

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