collaborators

9 papers

cs.CL2026

CRAFT: A Unified Counterfactual Reasoning Framework for Tabular Question Answering and Fact Verification

Chenshuo Pan, Yu Zhao, Jie Zhang +7

Table reasoning remains challenging for large language models (LLMs), particularly in tasks that require multi-step inference over long and structured tables. Existing approaches p…

cs.CL2026

Prompt-Level Reward Specifications for Open-Ended Post-Training

Zijun Weng, Xiaohui Hu, Shuangyong Song +3

Open-ended post-training benefits from rewards that make prompt-specific success conditions explicit, rather than relying only on post-hoc scalar scores. In instruction following,…

cs.AI2026

Pairwise Preference Reward and Group-Based Diversity Enhancement for Superior Open-Ended Generation

Guining Cao, Jiaxin Peng, Chu Zeng +3

Current reinforcement learning(RL) methods are broadly applicable and powerful in verifiable settings where scalar rewards can be provided. However, in open-ended generation tasks,…

cs.CL2026

Table-R1: Region-based Reinforcement Learning for Table Understanding

Zhenhe Wu, Jian Yang, Zhongjiang He +9

Tables present unique challenges for language models due to their structured row-column interactions, necessitating specialized approaches for effective comprehension. While large…

cs.CR2026

Chain-of-Lure: A Universal Jailbreak Attack Framework using Unconstrained Synthetic Narratives

Wenhan Chang, Tianqing Zhu, Yu Zhao +3

In the era of rapid generative AI development, interactions with large language models (LLMs) pose increasing risks of misuse. Prior research has primarily focused on attacks using…

cs.CL2026

ReasonTabQA: A Comprehensive Benchmark for Table Question Answering from Real World Industrial Scenarios

Changzai Pan, Jie Zhang, Kaiwen Wei +15

Recent advancements in Large Language Models (LLMs) have significantly catalyzed table-based question answering (TableQA). However, existing TableQA benchmarks often overlook the i…