← Search

Xinfeng Yuan

5 accepted papers

2025

Character is Destiny: Can Persona-assigned Language Models Make Personal Choices?

EMNLP 2025

Can Large Language Models (LLMs) simulate humans in making important decisions? Recent research has unveiled the potential of using LLMs to develop role-playing language agents (RPLAs), mimicking mainly the knowledge and tones of various characters. However, imitative decision-making necessitates a

Cited by 0SourcePDFScholar
2025

CoSER: Coordinating LLM-Based Persona Simulation of Established Roles

ICML 2025poster

Role-playing language agents (RPLAs) have emerged as promising applications of large language models (LLMs). However, simulating established characters presents a challenging task for RPLAs, due to the lack of authentic character datasets and nuanced evaluation methods using such data. In this paper…

2025

How Far are LLMs from Being Our Digital Twins? A Benchmark for Persona-Based Behavior Chain Simulation

ACL 2025finding

Recently, LLMs have garnered increasing attention across academic disciplines for their potential as human digital twins, virtual proxies designed to replicate individuals and autonomously perform tasks such as decision-making, problem-solving, and reasoning on their behalf.However, current evaluati…

2024

Capturing Minds, Not Just Words: Enhancing Role-Playing Language Models with Personality-Indicative Data

EMNLP 2024finding

Role-playing agents (RPA) have been a popular application area for large language models (LLMs), attracting significant interest from both industry and academia. While existing RPAs well portray the characters’ knowledge and tones, they face challenges in capturing their minds, especially for small…

2024

Evaluating Character Understanding of Large Language Models via Character Profiling from Fictional Works

EMNLP 2024main

Large language models (LLMs) have demonstrated impressive performance and spurred numerous AI applications, in which role-playing agents (RPAs) are particularly popular, especially for fictional characters. The prerequisite for these RPAs lies in the capability of LLMs to understand characters from…