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Si-Yu Song

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#natural language process... Preprint Sep 2026

AnthroDial: Benchmarking LLM Anthropomorphism in Autonomous Social Interaction

AnthroDial is introduced, a unified framework for developing anthropomorphic social agents from three complementary aspects: MindFlow, a lightweight interaction harness that enables autonomous, asynchronous, and adaptive communication through a dynamic Mind Buffer; CAPS-Eval, a theory-grounded framework for evaluating...

Wen-Tao Liu, Xi Chen, Si-Yu Song et al. · 0 citations
#natural language process... Preprint Sep 2026

Deadline-Aware Adaptive Prefill Chunking for Efficient Large Language Model Serving

This work introduces SLOWeave, an online scheduling method that selects the largest prefill chunk predicted to finish before the earliest active decode deadline, and proves that, whenever a decode-only iteration is feasible and the cost predictor is accurate, SLOWeave maximizes immediate prefill progress among decision...

Si-Yu Song, Qi-Wei Bai, Jin-Bo Hao et al. · 1 citation
Jul 2026

Toward Anthropomorphic Dialogue: A Closed-Loop Framework for Human-Like Chat Generation, Evaluation, and Preference Alignment

AnthroDial is presented, a closed-loop framework that formulates anthropomorphic dialogue as a joint problem of system architecture, executable evaluation, and diagnostic alignment and shows that anthropomorphic dialogue benefits when generation, evaluation, and reward shaping share the same behavioral dimensions.

Wentao Liu, Si-Yu Song, Xi Chen et al. · 0 citations
Jul 2026

Beyond Direct Answering: Aligning Educational LLMs as Socratic Guides via Heuristic Reinforcement Learning

HeuristicEdu is presented, a two-phase pipeline that aligns Qwen2.5-7B toward Socratic tutoring via supervised warm-up and Group Relative Policy Optimization (GRPO), and Scaffolding Effectiveness and Conversation Depth are introduced to evaluate outcomes beyond surface fluency.

Xiaokun Wang, Si-Yu Song, Wentao Liu et al. · 0 citations

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