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Xiaofang Zhou

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#machine learning Preprint Oct 2026

Flash-OPD: Fast On-Policy Distillation

On-policy distillation (OPD) provides dense teacher supervision on student-generated trajectories, but generating and evaluating long rollouts incurs substantial training cost. Existing acceleration methods reduce this cost through open-loop rollout schedules or closed-loop horizon adaptation. However, supervision comp...

Wei Chen, Junle Chen, Yi-Tong Yang et al. · 0 citations
#artificial intelligence Preprint Oct 2026

You Changed Your Mind, The Model Didn't: Demystifying Intent in Multi-Turn Dialogue

When a large language model handles a multi-turn task and a user proposes a change but ultimately rejects it, the model should continue as if nothing changed. We find a surprising failure: merely mentioning a rejected change can derail task execution, even when the user's final intent remains unchanged. To systematical...

Junle Chen, Wei Chen, Zheng-Jun Huang et al. · 0 citations
Jun 2026

A Unified Query Planning Framework for Conjunctive Regular Path Queries

Conjunctive regular path queries (CRPQs) form a critical backbone of modern graph query languages, integrating subgraph matching with regular path queries (RPQs). Despite their ubiquity in applications like social networks, finance, and scientific data analysis, CRPQ optimization lacks a unified framework, relying inst...

Yue Pang, Lei Zou, Angela Bonifati et al. · 0 citations
Jul 2026

Beyond Retrieval: Analytic Memory for Multimodal Agents

This paper presents AdaMM, a framework that jointly supports retrieval and analytic memory that extracts provenance-linked attribute-value observations from dialogue, images, and contextual metadata, discovers recurring field structures, and materializes them for analytical access.

Zhoujin Tian, Yao Tian, Hao Zhang et al. · 1 citation

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