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Pengfei Liu

5 papers hereh-index 4237 citations5 works total

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

author position
  • middle author3
  • last author2

Across the 5 of 5 papers where every author was matched, so the position is known.

fields
  • cs.CL5
same name
  • Pengfei Liu — 63 papers, h 43
  • Pengfei Liu — 16 papers, h 7
  • Pengfei Liu — 16 papers, h 7
  • Pengfei Liu — 11 papers, h 11
  • Pengfei Liu — 11 papers, h 5
  • Pengfei Liu — 10 papers, h 10

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
20232025
most citedBenchmarking Generation and Evaluation Capabilities of Large Language Models for Instruction Controllable Summarization

3 citations · 5 across the 4 of their papers we have counts for

collaborators
Showing 2024Show all

3 papers · 1 filter

cs.CL2024

Understanding Reference Policies in Direct Preference Optimization

Yixin Liu, Pengfei Liu, Arman Cohan

Direct Preference Optimization (DPO) has become a widely used training method for the instruction fine-tuning of large language models (LLMs). In this work, we explore an under-inv…

cs.CL2024★ 2 cited

Evaluating Mathematical Reasoning Beyond Accuracy

Shijie Xia, Xuefeng Li, Yixin Liu +2

The leaderboard of Large Language Models (LLMs) in mathematical tasks has been continuously updated. However, the majority of evaluations focus solely on the final results, neglect…

cs.CL2024

Can Large Language Models be Trusted for Evaluation? Scalable Meta-Evaluation of LLMs as Evaluators via Agent Debate

Steffi Chern, Ethan Chern, Graham Neubig +1

Despite the utility of Large Language Models (LLMs) across a wide range of tasks and scenarios, developing a method for reliably evaluating LLMs across varied contexts continues to…

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