activity
20242026
most citedFoundation Models for Recommender Systems: A Survey and New Perspectives

3 citations · 7 across the 28 of their papers we have counts for

collaborators

31 papers

cs.IR2026

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

Lingfeng Shi, Chengkai Huang, Lina Yao +1

Sequential recommenders are typically trained on long user histories to capture rich behavioral signals, yet serving with training-length sequences is often impractical due to real…

cs.AI2026

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

Huizu Lin, Chengkai Huang, Tianqi Gao +5

Skills play different roles as an agent's policy evolves: they should first provide learnable knowledge, then support capability formation, and finally be invoked only when they im…

cs.CL2026

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

Xubin Chen, Yipeng Zhou, Wen Sun +3

Automatic Medical Coding (AMC), which assigns standardized International Classification of Diseases (ICD) codes to clinical notes, is essential for medical reimbursement, quality r…

cs.IR2026

From Classification to Recommendation: Empirical Analysis of Audio Embedding Models Application for Content-Based Music Recommendation

Qingrui Li, Haowei Lou, Chengkai Huang +2

Pretrained audio representation models learned from large-scale corpora have achieved strong performance in audio classification and understanding. However, most existing models ar…

cs.SD2026

AutoSIFT: Automatic Style Sifting for Controllable Speech Generation with Arbitrary Style Infilling

Haowei Lou, Junda Wu, Chengkai Huang +4

State-of-the-art text-to-speech (TTS) models achieve impressive naturalness and expressiveness, yet fine-grained, disentangled control over speaking styles remains challenging. In…

cs.IR2026

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

Hao Cong, Huizu Lin, Zihan Wang +3

Large language model (LLM)-based agentic recommender systems show promise in modeling user preferences through natural-language reasoning, yet they remain limited by text-centric i…

cs.IR2026

Beyond Item Order: Temporal Gap Tokenization for Generative Recommendation with Semantic IDs

Chengkai Huang, Tianqi Gao, Hongtao Huang +2

Semantic-ID-based generative recommendation has recently emerged as a scalable paradigm for sequential recommendation, where each item is represented by a compact sequence of discr…

cs.CL2026

FERA: Uncertainty-Aware Federated Reasoning for Large Language Models

Ruhan Wang, Chengkai Huang, Zhiyong Wang +6

Large language models (LLMs) exhibit strong reasoning capabilities when guided by high-quality demonstrations, yet such data is often distributed across organizations that cannot c…

cs.IR2026

Purifying Multimodal Retrieval: Fragment-Level Evidence Selection for RAG

Xihang Wang, Zihan Wang, Chengkai Huang +4

Multimodal Retrieval-Augmented Generation (MRAG) is widely adopted for Multimodal Large Language Models (MLLMs) with external evidence to reduce hallucinations. Despite its success…

cs.CL2026

MEG-RAG: Quantifying Multi-modal Evidence Grounding for Evidence Selection in RAG

Xihang Wang, Zihan Wang, Chengkai Huang +2

Multimodal Retrieval-Augmented Generation (MRAG) addresses key limitations of Multimodal Large Language Models (MLLMs), such as hallucination and outdated knowledge. However, curre…

cs.IR2026

Factorized Latent Reasoning for LLM-based Recommendation

Tianqi Gao, Chengkai Huang, Zihan Wang +3

Large language models (LLMs) have recently been adopted for recommendation by framing user preference modeling as a language generation problem. However, existing latent reasoning…

cs.IR2026

Doctor-RAG: A Failure-Aware Repair Framework for Agentic Retrieval-Augmented Generation

Shuguang Jiao, Chengkai Huang, Shuhan Qi +6

Agentic Retrieval-Augmented Generation interleaves retrieval and reasoning for multi-hop QA and complex knowledge tasks. As reasoning trajectories lengthen, failures become more fr…

cs.CV2026

Learning to Retrieve Navigable Candidates for Efficient Vision-and-Language Navigation

Shutian Gu, Chengkai Huang, Ruoyu Wang +1

Vision-and-Language Navigation (VLN) requires an agent to follow natural-language instructions and navigate through previously unseen environments. Recent approaches increasingly e…

cs.IR2026

Generative Chain of Behavior for User Trajectory Prediction

Chengkai Huang, Xiaodi Chen, Hongtao Huang +2

Modeling long-term user behavior trajectories is essential for understanding evolving preferences and enabling proactive recommendations. However, most sequential recommenders focu…

cs.CL2026

MemWeaver: Weaving Hybrid Memories for Traceable Long-Horizon Agentic Reasoning

Juexiang Ye, Xue Li, Xinyu Yang +4

Large language model-based agents operating in long-horizon interactions require memory systems that support temporal consistency, multi-hop reasoning, and evidence-grounded reuse…

cs.IR2026★ 1 cited

PruneRAG: Confidence-Guided Query Decomposition Trees for Efficient Retrieval-Augmented Generation

Shuguang Jiao, Xinyu Xiao, Yunfan Wei +4

Retrieval-augmented generation (RAG) has become a powerful framework for enhancing large language models in knowledge-intensive and reasoning tasks. However, as reasoning chains de…

cs.CV2026

SceneAlign: Aligning Multimodal Reasoning to Scene Graphs in Complex Visual Scenes

Chuhan Wang, Xintong Li, Jennifer Yuntong Zhang +5

Multimodal large language models often struggle with faithful reasoning in complex visual scenes, where intricate entities and relations require precise visual grounding at each st…

cs.IR2025

Listwise Preference Diffusion Optimization for User Behavior Trajectories Prediction

Hongtao Huang, Chengkai Huang, Junda Wu +3

Forecasting multi-step user behavior trajectories requires reasoning over structured preferences across future actions, a challenge overlooked by traditional sequential recommendat…

cs.IR2025

Gaussian Mixture Flow Matching with Domain Alignment for Multi-Domain Sequential Recommendation

Xiaoxin Ye, Chengkai Huang, Hongtao Huang +1

Users increasingly interact with content across multiple domains, resulting in sequential behaviors marked by frequent and complex transitions. While Cross-Domain Sequential Recomm…

eess.SY2025

SpeechAgent: An End-to-End Mobile Infrastructure for Speech Impairment Assistance

Haowei Lou, Chengkai Huang, Hye-young Paik +4

Speech is essential for human communication, yet millions of people face impairments such as dysarthria, stuttering, and aphasia conditions that often lead to social isolation and…

cs.CV2025

Self-Supervised Cross-Modal Learning for Image-to-Point Cloud Registration

Xingmei Wang, Xiaoyu Hu, Chengkai Huang +4

Bridging 2D and 3D sensor modalities is critical for robust perception in autonomous systems. However, image-to-point cloud (I2P) registration remains challenging due to the semant…

cs.CL2025

Pluralistic Off-policy Evaluation and Alignment

Chengkai Huang, Junda Wu, Zhouhang Xie +6

Personalized preference alignment for LLMs with diverse human preferences requires evaluation and alignment methods that capture pluralism. Most existing preference alignment datas…

cs.IR2025

Beyond Negative Transfer: Disentangled Preference-Guided Diffusion for Cross-Domain Sequential Recommendation

Xiaoxin Ye, Chengkai Huang, Hongtao Huang +1

Cross-Domain Sequential Recommendation (CDSR) leverages user behaviors across domains to enhance recommendation quality. However, naive aggregation of sequential signals can introd…

cs.LG2025

Federated In-Context Learning: Iterative Refinement for Improved Answer Quality

Ruhan Wang, Zhiyong Wang, Chengkai Huang +5

For question-answering (QA) tasks, in-context learning (ICL) enables language models to generate responses without modifying their parameters by leveraging examples provided in the…