activity
20242026
most citedFrom Human Memory to AI Memory: A Survey on Memory Mechanisms in the Era of LLMs

2 citations · 7 across the 18 of their papers we have counts for

collaborators

21 papers

cs.IR2026

KUAISHOU Explorer LLM-Rec Challenge 2026: Reasoning Generative Recommendation

Jiangxia Cao, Hao Peng, Wenlong Xu +97

Generative recommendation, has been attracted a surge of attentions in industrial and academic research community, towards to build more smart system to build next-generation recom…

cs.IR2026

EvoSkillRec: Skill-Genome Evolution for Recommender Architecture Discovery

Xiaopeng Li, Kuo Cai, Bo Chen +12

Modern recommender systems advance not only by scaling data and parameters, but also by encoding task-specific inductive biases through architecture, including sparse feature inter…

cs.IR2026

Hierarchical Quantization with Domain-Adaptive Sparse Routing for Generative Cross-Domain Recommendation

Haiying He, Xiaopeng Li, Yuchen Gu +9

Generative Recommendation (GenRec) represents a promising paradigm that achieves remarkable empirical success by encoding items as compact Semantic IDs (SIDs) and modeling user beh…

cs.IR2026

Exploring Recommender System Evaluation: A Multi-Modal User Agent Framework for A/B Testing

Wenlin Zhang, Xiangyang Li, Qiyuan Ge +9

In recommender systems, online A/B testing is a crucial method for evaluating the performance of different models. However, conducting online A/B testing often presents significant…

cs.LG2025

No One Left Behind: How to Exploit the Incomplete and Skewed Multi-Label Data for Conversion Rate Prediction

Qinglin Jia, Zhaocheng Du, Chuhan Wu +4

In most real-world online advertising systems, advertisers typically have diverse customer acquisition goals. A common solution is to use multi-task learning (MTL) to train a unifi…

cs.SE2025★ 1 cited

ATGen: Adversarial Reinforcement Learning for Test Case Generation

Qingyao Li, Xinyi Dai, Weiwen Liu +5

Large Language Models (LLMs) excel at code generation, yet their outputs often contain subtle bugs, for which effective test cases are a critical bottleneck. Existing test generati…

cs.IR2025

FuXi-β: Towards a Lightweight and Fast Large-Scale Generative Recommendation Model

Yufei Ye, Wei Guo, Hao Wang +7

Scaling laws for autoregressive generative recommenders reveal potential for larger, more versatile systems but mean greater latency and training costs. To accelerate training and…

cs.CL2025★ 1 cited

From Single to Multi-Granularity: Toward Long-Term Memory Association and Selection of Conversational Agents

Derong Xu, Yi Wen, Pengyue Jia +8

Large Language Models (LLMs) have recently been widely adopted in conversational agents. However, the increasingly long interactions between users and agents accumulate extensive d…

cs.CL2025

Align-GRAG: Anchor and Rationale Guided Dual Alignment for Graph Retrieval-Augmented Generation

Derong Xu, Pengyue Jia, Xiaopeng Li +9

Despite the strong abilities, large language models (LLMs) still suffer from hallucinations and reliance on outdated knowledge, raising concerns in knowledge-intensive tasks. Graph…

cs.IR2025

Process vs. Outcome Reward: Which is Better for Agentic RAG Reinforcement Learning

Wenlin Zhang, Xiangyang Li, Kuicai Dong +9

Retrieval-augmented generation (RAG) enhances the text generation capabilities of large language models (LLMs) by integrating external knowledge and up-to-date information. However…

cs.IR2025

LSRP: A Leader-Subordinate Retrieval Framework for Privacy-Preserving Cloud-Device Collaboration

Yingyi Zhang, Pengyue Jia, Xianneng Li +8

Cloud-device collaboration leverages on-cloud Large Language Models (LLMs) for handling public user queries and on-device Small Language Models (SLMs) for processing private user d…

cs.IR2025★ 2 cited

From Human Memory to AI Memory: A Survey on Memory Mechanisms in the Era of LLMs

Yaxiong Wu, Sheng Liang, Chen Zhang +5

Memory is the process of encoding, storing, and retrieving information, allowing humans to retain experiences, knowledge, skills, and facts over time, and serving as the foundation…

cs.IR2025★ 2 cited

A Survey of Personalization: From RAG to Agent

Xiaopeng Li, Pengyue Jia, Derong Xu +11

Personalization has become an essential capability in modern AI systems, enabling customized interactions that align with individual user preferences, contexts, and goals. Recent r…

cs.IR2025★ 1 cited

Joint Modeling in Recommendations: A Survey

Xiangyu Zhao, Yichao Wang, Bo Chen +7

In today's digital landscape, Deep Recommender Systems (DRS) play a crucial role in navigating and customizing online content for individual preferences. However, conventional meth…

cs.IR2025

Generative Large Recommendation Models: Emerging Trends in LLMs for Recommendation

Hao Wang, Wei Guo, Luankang Zhang +7

In the era of information overload, recommendation systems play a pivotal role in filtering data and delivering personalized content. Recent advancements in feature interaction and…

cs.IR2025

SampleLLM: Optimizing Tabular Data Synthesis in Recommendations

Jingtong Gao, Zhaocheng Du, Xiaopeng Li +5

Tabular data synthesis is crucial in machine learning, yet existing general methods-primarily based on statistical or deep learning models-are highly data-dependent and often fall…

cs.IR2025

LLM4Tag: Automatic Tagging System for Information Retrieval via Large Language Models

Ruiming Tang, Chenxu Zhu, Bo Chen +4

Tagging systems play an essential role in various information retrieval applications such as search engines and recommender systems. Recently, Large Language Models (LLMs) have bee…

cs.IR2024

SyNeg: LLM-Driven Synthetic Hard-Negatives for Dense Retrieval

Xiaopeng Li, Xiangyang Li, Hao Zhang +6

The performance of Dense retrieval (DR) is significantly influenced by the quality of negative sampling. Traditional DR methods primarily depend on naive negative sampling techniqu…

cs.IR2024

Scenario-Wise Rec: A Multi-Scenario Recommendation Benchmark

Xiaopeng Li, Jingtong Gao, Pengyue Jia +7

Multi Scenario Recommendation (MSR) tasks, referring to building a unified model to enhance performance across all recommendation scenarios, have recently gained much attention. Ho…

cs.CL2024

Bridging Relevance and Reasoning: Rationale Distillation in Retrieval-Augmented Generation

Pengyue Jia, Derong Xu, Xiaopeng Li +9

The reranker and generator are two critical components in the Retrieval-Augmented Generation (i.e., RAG) pipeline, responsible for ranking relevant documents and generating respons…

cs.IR2024

SELF: Surrogate-light Feature Selection with Large Language Models in Deep Recommender Systems

Pengyue Jia, Zhaocheng Du, Yichao Wang +6

Feature selection is crucial in recommender systems for improving model efficiency and predictive performance. Conventional approaches typically employ surrogate models-such as dec…