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Si-Xian Li

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#natural language process... Preprint May 2025

SocialMaze: A Benchmark for Evaluating and Enhancing Social Reasoning in Large Language Models in Complex Social Environments

SocialMaze is introduced, a benchmark that organizes six tasks across social deduction games, daily-life interactions, and digital community platforms along three descriptive design axes: deep reasoning, dynamic interaction, and information uncertainty.

Zi-Xiang Xu, Yan-Bo Wang, Yue Huang et al. · 1 citation
Jul 2026

Inside the Unfair Judge: A Mechanistic Interpretability Account of LLM-as-Judge Bias

Existing studies of LLM-as-judge scoring bias work predominantly at the input-output level: they perturb inputs, measure score deltas, and propose prompt-level mitigations. We argue that the same biases admit a representation-level account in the judge's hidden state, complementary to the input-output view and operatio...

Zixiang Xu, Sixian Li, Hua-Xing Liu et al. · 2 citations
Preprint Aug 2026

ETA: A New Agentic Paradigm for Embodied Tasks

The Embodied Task Agent is introduced, a new paradigm for extending digital agents into the physical world, and OpenETA is released as its open-source implementation, which provides replaceable Planners, composable Tools and Skills, auditable memory, replayable trajectories, and common interfaces for simulation and rea...

Yi-Tong Chen, Zezheng Huai, Si-Xian Li et al. · 5 citations · ⚡1

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