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Pengcheng Wen

9 papers hereh-index 438 citations11 works total

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

author position
  • first author2
  • middle author6

Across the 8 of 9 papers where every author was matched, so the position is known.

fields
  • cs.CL4
  • cs.AI2
  • cs.CV2
  • cs.LG1
same name
  • Pengcheng Wen — 1 paper, h 2

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

collaborators
Showing cs.CLShow all

4 papers · 1 filter

cs.CL2026

Not Just the Destination, But the Journey: Reasoning Traces Causally Shape Generalization Behaviors

Pengcheng Wen, Yanxu Zhu, Jiapeng Sun +5

Chain-of-Thought (CoT) is often viewed as a window into LLM decision-making, yet recent work suggests it may function merely as post-hoc rationalization. This raises a critical ali…

cs.CL2026

Towards Multi-modal Multi-turn Safety: From Agentic Interaction to Strategic Alignment

Han Zhu, Jiale Chen, Chengkun Cai +8

Despite remarkable capability in multi-modal understanding, deploying Multi-modal Large Language Models (MLLMs) in open-ended conversational scenarios introduces safety risks that…

cs.CL2025

SafeMT: Multi-turn Safety for Multimodal Language Models

Han Zhu, Juntao Dai, Jiaming Ji +8

With the widespread use of multi-modal Large Language models (MLLMs), safety issues have become a growing concern. Multi-turn dialogues, which are more common in everyday interacti…

cs.CL2025

ThinkPatterns-21k: A Systematic Study on the Impact of Thinking Patterns in LLMs

Pengcheng Wen, Jiaming Ji, Chi-Min Chan +5

Large language models (LLMs) have demonstrated enhanced performance through the \textit{Thinking then Responding} paradigm, where models generate internal thoughts before final res…

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