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James Xu Zhao

3 accepted papers

2025

How Does Response Length Affect Long-Form Factuality

ACL 2025finding

Large language models (LLMs) are widely used for long-form text generation. However, factual errors in the responses would undermine their reliability. Despite growing attention to LLM factuality, the effect of response length on factuality remains underexplored. In this work, we systematically inve…

2024

Prompt Optimization via Adversarial In-Context Learning

ACL 2024long

We propose a new method, Adversarial In-Context Learning (adv-ICL), to optimize prompts for in-context learning (ICL). Inspired by adversarial learning, adv-ICL is implemented as a two-player game between a generator and discriminator, with LLMs acting as both. In each round, given an input prefixed…

2023

Automatic Model Selection with Large Language Models for Reasoning

EMNLP 2023long findings

Chain-of-Thought (CoT) and Program-Aided Language Models (PAL) represent two distinct reasoning methods, each with its own strengths. CoT employs natural language, offering flexibility and interpretability, while PAL utilizes programming language, yielding more structured and rigorous logic. We intr…

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