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Ke-Zhen Chen

7 papers hereh-index 4244 citations9 works total

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

author position
  • middle author6
  • last author1

Across the 7 of 7 papers where every author was matched, so the position is known.

fields
  • cs.AI3
  • cs.CL2
  • cs.CV2

identity via Semantic Scholar / OpenAlex

activity
20242026
most citedRedPajama: an Open Dataset for Training Large Language Models

19 citations · 21 across the 6 of their papers we have counts for

collaborators
Showing 2026Show all

4 papers · 1 filter

cs.AI2026

Suppressing Pressure, Amplifying Evidence: Self-Guided Attention Steering to Mitigate Sycophancy and Stubbornness

Yinghao He, Mengyu Xu, Haixiang Sun +8

Reliable language models should resist unsupported user pressure while effectively using objective contextual information. However, models may exhibit sycophancy by yielding to uns…

cs.AI2026

FM-Bench: A Benchmark for Long-Horizon Management with Competing Agents

Tianyou Wang, Chongyang Gao, Kezhen Chen +6

Language model agents now execute bounded tasks reliably. Whether they can sustain effective decision-making over long horizons, where actions have cumulative consequences and the…

cs.CL2026

Equitable System-Prompt Selection via Constrained Mixed-Strategy GroupDRO

Mengyu Xu, Qiaoxin Yang, Zhihan Liu +4

Large language models are increasingly used for information seeking, yet semantically equivalent questions phrased in different ways can receive answers of considerably different q…

cs.AI2026

Classroom Final Exam: An Instructor-Tested Reasoning Benchmark

Chongyang Gao, Diji Yang, Shuyan Zhou +4

We introduce CFE-Bench (Classroom Final Exam), a multimodal benchmark for evaluating the reasoning capabilities of large language models across more than 20 STEM domains. CFE-Bench…

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