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20212026
most citedMulti-domain Recommendation with Embedding Disentangling and Domain Alignment

29 citations · 73 across the 31 of their papers we have counts for

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26 papers · 1 filter

cs.IR2026

Learning from Unreachable Rewards: Hint-Conditioned Reinforcement Learning for Generative Recommendation

Kangning Zhang, Haotian Fang, Xukun Luo +6

Semantic-ID generative recommenders represent each item as a short sequence of discrete semantic tokens and predict the next item by autoregressively generating this token sequence…

cs.IR2026

MuonRec: Shifting the Optimizer Paradigm Beyond Adam in Scalable Generative Recommendation

Rong Shan, Aofan Yu, Bo Chen +7

Recommender systems (RecSys) are increasingly emphasizing scaling, leveraging larger architectures and more interaction data to improve personalization. Yet, despite the optimizer'…

cs.IR2025

A Survey of LLM-based Deep Search Agents: Paradigm, Optimization, Evaluation, and Challenges

Yunjia Xi, Jianghao Lin, Yongzhao Xiao +7

The advent of Large Language Models (LLMs) has significantly revolutionized web search. The emergence of LLM-based Search Agents marks a pivotal shift towards deeper, dynamic, auto…

cs.IR2025

InfoDeepSeek: Benchmarking Agentic Information Seeking for Retrieval-Augmented Generation

Yunjia Xi, Jianghao Lin, Menghui Zhu +10

Retrieval-Augmented Generation (RAG) enhances large language models (LLMs) by grounding responses with retrieved information. As an emerging paradigm, Agentic RAG further enhances…

cs.IR2025

RecCocktail: A Generalizable and Efficient Framework for LLM-Based Recommendation

Min Hou, Chenxi Bai, Le Wu +6

Large Language Models (LLMs) have achieved remarkable success in recent years, owing to their impressive generalization capabilities and rich world knowledge. To capitalize on the…

cs.IR2024

Beyond Positive History: Re-ranking with List-level Hybrid Feedback

Muyan Weng, Yunjia Xi, Weiwen Liu +5

As the last stage of recommender systems, re-ranking generates a re-ordered list that aligns with the user's preference. However, previous works generally focus on item-level posit…

cs.IR2024

Efficient and Deployable Knowledge Infusion for Open-World Recommendations via Large Language Models

Yunjia Xi, Weiwen Liu, Jianghao Lin +8

Recommender systems (RSs) play a pervasive role in today's online services, yet their closed-loop nature constrains their access to open-world knowledge. Recently, large language m…

cs.IR2024★ 1 cited

Prompt Tuning as User Inherent Profile Inference Machine

Yusheng Lu, Zhaocheng Du, Xiangyang Li +9

Large Language Models (LLMs) have exhibited significant promise in recommender systems by empowering user profiles with their extensive world knowledge and superior reasoning capab…

cs.IR2024

Efficiency Unleashed: Inference Acceleration for LLM-based Recommender Systems with Speculative Decoding

Yunjia Xi, Hangyu Wang, Bo Chen +7

The past few years have witnessed a growing interest in LLM-based recommender systems (RSs), although their industrial deployment remains in a preliminary stage. Most existing depl…

cs.IR2024

All Roads Lead to Rome: Unveiling the Trajectory of Recommender Systems Across the LLM Era

Bo Chen, Xinyi Dai, Huifeng Guo +9

Recommender systems (RS) are vital for managing information overload and delivering personalized content, responding to users' diverse information needs. The emergence of large lan…

cs.IR2024

MemoCRS: Memory-enhanced Sequential Conversational Recommender Systems with Large Language Models

Yunjia Xi, Weiwen Liu, Jianghao Lin +4

Conversational recommender systems (CRSs) aim to capture user preferences and provide personalized recommendations through multi-round natural language dialogues. However, most exi…

cs.IR2024★ 2 cited

LLM4Rerank: LLM-based Auto-Reranking Framework for Recommendations

Jingtong Gao, Bo Chen, Weiwen Liu +6

Reranking is a critical component in recommender systems, playing an essential role in refining the output of recommendation algorithms. Traditional reranking models have focused p…

cs.IR2024

Play to Your Strengths: Collaborative Intelligence of Conventional Recommender Models and Large Language Models

Yunjia Xi, Weiwen Liu, Jianghao Lin +5

The rise of large language models (LLMs) has opened new opportunities in Recommender Systems (RSs) by enhancing user behavior modeling and content understanding. However, current a…

cs.IR2024

D2K: Turning Historical Data into Retrievable Knowledge for Recommender Systems

Jiarui Qin, Weiwen Liu, Ruiming Tang +2

A vast amount of user behavior data is constantly accumulating on today's large recommendation platforms, recording users' various interests and tastes. Preserving knowledge from t…

cs.IR2023

Ten Challenges in Industrial Recommender Systems

Zhenhua Dong, Jieming Zhu, Weiwen Liu +1

Huawei's vision and mission is to build a fully connected intelligent world. Since 2013, Huawei Noah's Ark Lab has helped many products build recommender systems and search engines…

cs.IR2023★ 29 cited

Multi-domain Recommendation with Embedding Disentangling and Domain Alignment

Wentao Ning, Xiao Yan, Weiwen Liu +3

Multi-domain recommendation (MDR) aims to provide recommendations for different domains (e.g., types of products) with overlapping users/items and is common for platforms such as A…

cs.IR2023

Set-to-Sequence Ranking-based Concept-aware Learning Path Recommendation

Xianyu Chen, Jian Shen, Wei Xia +9

With the development of the online education system, personalized education recommendation has played an essential role. In this paper, we focus on developing path recommendation s…

cs.IR2023★ 7 cited

Towards Open-World Recommendation with Knowledge Augmentation from Large Language Models

Yunjia Xi, Weiwen Liu, Jianghao Lin +8

Recommender systems play a vital role in various online services. However, the insulated nature of training and deploying separately within a specific domain limits their access to…

cs.IR2023★ 21 cited

How Can Recommender Systems Benefit from Large Language Models: A Survey

Jianghao Lin, Xinyi Dai, Yunjia Xi +11

With the rapid development of online services, recommender systems (RS) have become increasingly indispensable for mitigating information overload. Despite remarkable progress, con…

cs.IR2023

A Survey on User Behavior Modeling in Recommender Systems

Zhicheng He, Weiwen Liu, Wei Guo +4

User Behavior Modeling (UBM) plays a critical role in user interest learning, which has been extensively used in recommender systems. Crucial interactive patterns between users and…

cs.IR2022

A Bird's-eye View of Reranking: from List Level to Page Level

Yunjia Xi, Jianghao Lin, Weiwen Liu +5

Reranking, as the final stage of multi-stage recommender systems, refines the initial lists to maximize the total utility. With the development of multimedia and user interface des…

cs.IR2022

An F-shape Click Model for Information Retrieval on Multi-block Mobile Pages

Lingyue Fu, Jianghao Lin, Weiwen Liu +4

To provide click simulation or relevance estimation based on users' implicit interaction feedback, click models have been much studied during recent years. Most click models focus…

cs.IR2022

Multi-Level Interaction Reranking with User Behavior History

Yunjia Xi, Weiwen Liu, Jieming Zhu +6

As the final stage of the multi-stage recommender system (MRS), reranking directly affects users' experience and satisfaction, thus playing a critical role in MRS. Despite the impr…

cs.IR2022

PEAR: Personalized Re-ranking with Contextualized Transformer for Recommendation

Yi Li, Jieming Zhu, Weiwen Liu +6

The goal of recommender systems is to provide ordered item lists to users that best match their interests. As a critical task in the recommendation pipeline, re-ranking has receive…