collaborators

5 papers

cs.CL2026

Text2SQL-Flow: A Robust SQL-Aware Data Augmentation Framework for Text-to-SQL

Qifeng Cai, Hao Liang, Chang Xu +3

The data-centric paradigm has emerged as a pivotal direction in artificial intelligence (AI), emphasizing the role of high-quality training data. This shift is especially critical…

cs.CL2025

Eliciting Chain-of-Thought in Base LLMs via Gradient-Based Representation Optimization

Zijian Wang, Yanxiang Ma, Chang Xu

Chain-of-Thought (CoT) reasoning is a critical capability for large language models (LLMs), enabling them to tackle com- plex multi-step tasks. While base LLMs, pre-trained on gene…

cs.CL2025

ThoughtProbe: Classifier-Guided LLM Thought Space Exploration via Probing Representations

Zijian Wang, Chang Xu

This paper introduces ThoughtProbe, a novel inference time framework that leverages the hidden reasoning features of Large Language Models (LLMs) to improve their reasoning perform…

cs.CL2025

Functional Abstraction of Knowledge Recall in Large Language Models

Zijian Wang, Chang Xu

Pre-trained transformer large language models (LLMs) demonstrate strong knowledge recall capabilities. This paper investigates the knowledge recall mechanism in LLMs by abstracting…

cs.CL2025

ThoughtProbe: Classifier-Guided Thought Space Exploration Leveraging LLM Intrinsic Reasoning

Zijian Wang, Chang Xu

Pre-trained large language models (LLMs) have been demonstrated to possess intrinsic reasoning capabilities that can emerge naturally when expanding the response space. However, th…