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Defeng Li

3 papers hereh-index 224 citations3 works total

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

author position
  • middle author3

Across the 3 of 3 papers where every author was matched, so the position is known.

fields
  • cs.AI2
  • cs.CL1

identity via Semantic Scholar / OpenAlex

collaborators
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2 papers · 1 filter

cs.AI2026

Oyster-II: Reinforcement Learning for Constructive Safety Alignment in Large Language Models

Jiyang Guan, Yong Xie, Jun Chen +6

Large language models (LLMs) have demonstrated remarkable capabilities across diverse applications, yet ensuring their simultaneous safety, helpfulness, and trustworthiness remains…

cs.AI2025

Oyster-I: Beyond Refusal -- Constructive Safety Alignment for Responsible Language Models

Ranjie Duan, Jiexi Liu, Xiaojun Jia +27

Large language models (LLMs) typically deploy safety mechanisms to prevent harmful content generation. Most current approaches focus narrowly on risks posed by malicious actors, of…

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