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Author

Chengkai Huang

UNSW Sydney

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Preprint Sep 2026

ChronicleRec: Pre-training Temporally Anchored Tokens for Lifelong User Modeling

ChronicleRec is a pre-train-and-transfer framework that compresses an ultra-long behavior sequence once into a chronologically ordered set of Chronicle Tokens, which can be cached per user, decoupling ultra-long sequence modeling from online candidate scoring.

Chengkai Huang, Yu-Bin Sheng, Liang Guo et al. · 0 citations
Book Open access Sep 2026

DPGFlow: Decoupled Preference Guided Flow Matching for Cross Domain Sequential Recommendation

DPGFlow is proposed, the first Flow Matching framework specifically designed for CDSR, which enables stable and efficient few-step inference and facilitates effective knowledge transfer under heterogeneous and noisy behaviors.

Xiao-Xin Ye, Chengkai Huang, Hong-Tao Huang et al. · 0 citations
Preprint Sep 2026

Closing the Long-Short View Gap in Sequential Recommendation without Cached History

This paper empirically identifies two structural flaws rooted in geometric properties and dataset sparsity, and proposes a novel two-stage framework to close the long-short-view performance gap and introduces a modified softmax to counter prefix position bias.

Ling-Feng Shi, Chengkai Huang, Li-Na Yao et al. · 0 citations
Jul 2026

Seeing and Reflecting: Multimodal Memory-Enhanced Agent Collaboration for Recommendation

MMEACR introduces a dual-track memory architecture that separates interpretable agent reasoning from fine-grained multimodal matching, and achieves strong overall performance against competitive LLM-based and agent-based baselines.

Hao Cong, Huizu Lin, Zihan Wang et al. · 2 citations
Preprint Aug 2026

AUSO: Action-Level Unified Skill Optimization from Internalization to Utilization

AUSO (Action-level Unified Skill Optimization), which unifies skill learning and skill use through a progressive, action-aware optimization process, and consistently improves agent performance and out-of-distribution generalization over competitive baselines.

Huizu Lin, Chengkai Huang, Tian Gao et al. · 0 citations
#natural language process... Preprint Aug 2026

KREL: Automatic Medical Coding via Knowledge-Guided Reasoning over Clinical Evidence with LLMs

This work proposes Knowledge-Guided Reasoning over Clinical Evidence with LLMs (KREL), a framework that leverages LLMs for clinical text understanding and reasoning while integrating external ICD coding guidelines as structured knowledge, and enables tight coupling between domain knowledge and LLM reasoning.

Xubin Chen, Yi-Peng Zhou, Wenxin Sun et al. · 0 citations

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