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Hefei Xu

3 papers hereh-index 428 citations8 works total

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author position
  • first author2
  • middle author1

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

fields
  • cs.LG2
  • cs.IR1

identity via Semantic Scholar / OpenAlex

collaborators
Showing cs.LGShow all

2 papers · 1 filter

cs.LG2026

VC-Soup: Value-Consistency Guided Multi-Value Alignment for Large Language Models

Hefei Xu, Le Wu, Yu Wang +4

As large language models (LLMs) increasingly shape content generation, interaction, and decision-making across the Web, aligning them with human values has become a central objecti…

cs.LG2025

Multi-Value Alignment for LLMs via Value Decorrelation and Extrapolation

Hefei Xu, Le Wu, Chen Cheng +1

With the rapid advancement of large language models (LLMs), aligning them with human values for safety and ethics has become a critical challenge. This problem is especially challe…

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