activity
20212026
most citedHypergraph Contrastive Collaborative Filtering

438 citations · 833 across the 19 of their papers we have counts for

collaborators

20 papers

cs.CL2026

SWRouter: Similarity-Contractive Window Routing for Multi-Turn Large Language Model Conversations

Yu Wang, Yuchen Li, Rui Kong +11

Large language models exhibit complementary strengths, motivating routing methods that dispatch each query to the most suitable model. Although existing routers are effective in si…

cs.AI2026

DuMate-DeepResearch: An Auditable Multi-Agent System with Recursive Search and Rubric-Grounded Reasoning

Lingyong Yan, Can Xu, Yukun Zhao +13

Deep Research (DR) has emerged as a new agentic paradigm to tackle complex, open-ended research tasks, demanding systems that can iteratively frame problems, acquire evidence, veri…

cs.CL2026

Measuring Maximum Activations in Open Large Language Models

Luxuan Chen, Han Tian, Xinran Chen +9

The dynamic range of activations is a first-order constraint for low-bit quantization, activation scaling, and stable LLM inference. Prior work characterized outlier features and m…

cs.CL2026

EndPrompt: Efficient Long-Context Extension via Terminal Anchoring

Han Tian, Luxuan Chen, Xinran Chen +10

Extending the context window of large language models typically requires training on sequences at the target length, incurring quadratic memory and computational costs that make lo…

cs.AI2026

Beyond Monolithic Architectures: A Multi-Agent Search and Knowledge Optimization Framework for Agentic Search

Yiqun Chen, Lingyong Yan, Zixuan Yang +5

Agentic search has emerged as a promising paradigm for complex information seeking by enabling Large Language Models (LLMs) to interleave reasoning with tool use. However, prevaili…

cs.DC2026

FlexSpec: Frozen Drafts Meet Evolving Targets in Edge-Cloud Collaborative LLM Speculative Decoding

Yuchen Li, Rui Kong, Zhonghao Lyu +11

Deploying large language models (LLMs) in mobile and edge computing environments is constrained by limited on-device resources, scarce wireless bandwidth, and frequent model evolut…

cs.CL2025

TURA: Tool-Augmented Unified Retrieval Agent for AI Search

Zhejun Zhao, Yuchen Li, Alley Liu +8

The advent of Large Language Models (LLMs) is transforming search engines into conversational AI search products, primarily using Retrieval-Augmented Generation (RAG) on web corpor…

cs.CL2025

Towards AI Search Paradigm

Yuchen Li, Hengyi Cai, Rui Kong +20

In this paper, we introduce the AI Search Paradigm, a comprehensive blueprint for next-generation search systems capable of emulating human information processing and decision-maki…

cs.IR2025

Graph Foundation Models for Recommendation: A Comprehensive Survey

Bin Wu, Yihang Wang, Yuanhao Zeng +7

Recommender systems (RS) serve as a fundamental tool for navigating the vast expanse of online information, with deep learning advancements playing an increasingly important role i…

cs.IR2024

GenCRF: Generative Clustering and Reformulation Framework for Enhanced Intent-Driven Information Retrieval

Wonduk Seo, Haojie Zhang, Yueyang Zhang +6

Query reformulation is a well-known problem in Information Retrieval (IR) aimed at enhancing single search successful completion rate by automatically modifying user's input query.…

cs.CV2024

Text-Video Retrieval via Variational Multi-Modal Hypergraph Networks

Qian Li, Lixin Su, Jiashu Zhao +6

Text-video retrieval is a challenging task that aims to identify relevant videos given textual queries. Compared to conventional textual retrieval, the main obstacle for text-video…

cs.IR2023★ 153 cited

Disentangled Contrastive Collaborative Filtering

Xubin Ren, Lianghao Xia, Jiashu Zhao +2

Recent studies show that graph neural networks (GNNs) are prevalent to model high-order relationships for collaborative filtering (CF). Towards this research line, graph contrastiv…

cs.IR2022★ 1 cited

Whole Page Unbiased Learning to Rank

Haitao Mao, Lixin Zou, Yujia Zheng +5

The page presentation biases in the information retrieval system, especially on the click behavior, is a well-known challenge that hinders improving ranking models' performance wit…

cs.CV2022★ 18 cited

Factorized and Controllable Neural Re-Rendering of Outdoor Scene for Photo Extrapolation

Boming Zhao, Bangbang Yang, Zhenyang Li +6

Expanding an existing tourist photo from a partially captured scene to a full scene is one of the desired experiences for photography applications. Although photo extrapolation has…

cs.IR2022★ 438 cited

Hypergraph Contrastive Collaborative Filtering

Lianghao Xia, Chao Huang, Yong Xu +3

Collaborative Filtering (CF) has emerged as fundamental paradigms for parameterizing users and items into latent representation space, with their correlative patterns from interact…

cs.IR2022★ 2 cited

Sequential Recommendation with User Evolving Preference Decomposition

Weiqi Shao, Xu Chen, Long Xia +2

Modeling user sequential behaviors has recently attracted increasing attention in the recommendation domain. Existing methods mostly assume coherent preference in the same sequence…

cs.IR2022★ 208 cited

Contrastive Meta Learning with Behavior Multiplicity for Recommendation

Wei Wei, Chao Huang, Lianghao Xia +3

A well-informed recommendation framework could not only help users identify their interested items, but also benefit the revenue of various online platforms (e.g., e-commerce, soci…

cs.IR2022

User behavior understanding in real world settings

Weiqi Shao, Xu Chen, Jiashu Zhao +2

How to extract meaningful information in user historical behavior plays a crucial role in recommendation. User behavior sequence often contains multiple conceptually distinct items…

cs.IR2022

Gumble Softmax For User Behavior Modeling

Weiqi Shao, Xu Chen, Jiashu Zhao +2

Recently, sequential recommendation systems are important in solving the information overload in many online services. Current methods in sequential recommendation focus on learnin…

cs.IR2021★ 13 cited

Graph-Enhanced Multi-Task Learning of Multi-Level Transition Dynamics for Session-based Recommendation

Chao Huang, Jiahui Chen, Lianghao Xia +6

Session-based recommendation plays a central role in a wide spectrum of online applications, ranging from e-commerce to online advertising services. However, the majority of existi…