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Related papers: Unified Generative Search and Recommendation

200 papers

Despite their remarkable reasoning capabilities across diverse domains, large language models (LLMs) face fundamental challenges in natively functioning as generative reasoning recommendation models (GRRMs), where the intrinsic modeling gap…

Information Retrieval · Computer Science 2025-10-24 Minjie Hong , Zetong Zhou , Zirun Guo , Ziang Zhang , Ruofan Hu , Weinan Gan , Jieming Zhu , Zhou Zhao

Conversational recommender systems aim to provide personalized recommendations via natural language interactions. However, existing approaches either decouple recommendation from dialog generation or rely on retrieval-based pipelines,…

Information Retrieval · Computer Science 2026-05-22 Sixiao Zhang , Mingrui Liu , Cheng Long

Despite the somewhat different techniques used in developing search engines and recommender systems, they both follow the same goal: helping people to get the information they need at the right time. Due to this common goal, search and…

Information Retrieval · Computer Science 2018-07-17 Hamed Zamani , W. Bruce Croft

In this work, we propose a Unified framework of Sequential Search and Recommendation (UnifiedSSR) for joint learning of user behavior history in both search and recommendation scenarios. Specifically, we consider user-interacted products in…

Information Retrieval · Computer Science 2023-10-24 Jiayi Xie , Shang Liu , Gao Cong , Zhenzhong Chen

Recommender systems in multi-behavior domains, such as advertising and e-commerce, aim to guide users toward high-value but inherently sparse conversions. Leveraging auxiliary behaviors (e.g., clicks, likes, shares) is therefore essential.…

Information Retrieval · Computer Science 2025-11-06 Zhefan Wang , Guokai Yan , Jinbei Yu , Siyu Gu , Jingyan Chen , Peng Jiang , Zhiqiang Guo , Min Zhang

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 user behavior modeling have significantly enhanced the…

Information Retrieval · Computer Science 2025-02-20 Hao Wang , Wei Guo , Luankang Zhang , Jin Yao Chin , Yufei Ye , Huifeng Guo , Yong Liu , Defu Lian , Ruiming Tang , Enhong Chen

Leveraging long-term user behavioral patterns is a key trajectory for enhancing the accuracy of modern recommender systems. While generative recommender systems have emerged as a transformative paradigm, they face hurdles in effectively…

Information Retrieval · Computer Science 2026-02-06 Shiteng Cao , Junda She , Ji Liu , Bin Zeng , Chengcheng Guo , Kuo Cai , Qiang Luo , Ruiming Tang , Han Li , Kun Gai , Zhiheng Li , Cheng Yang

Generative Recommendation (GR) reformulates recommendation as a next-token generation problem and has shown promise in industrial applications. However, extending GR to industrial advertising is non-trivial because the system must optimize…

Search and recommendation (S&R) are core to online platforms, addressing explicit intent through queries and modeling implicit intent from behaviors, respectively. Their complementary roles motivate a unified modeling paradigm. Early…

Information Retrieval · Computer Science 2026-01-15 Jujia Zhao , Zihan Wang , Shuaiqun Pan , Suzan Verberne , Zhaochun Ren

In modern search systems, search engines often suggest relevant queries to users through various panels or components, helping refine their information needs. Traditionally, these recommendations heavily rely on historical search logs to…

Information Retrieval · Computer Science 2025-07-08 Erxue Min , Hsiu-Yuan Huang , Xihong Yang , Min Yang , Xin Jia , Yunfang Wu , Hengyi Cai , Junfeng Wang , Shuaiqiang Wang , Dawei Yin

Large Language Models (LLMs) have become powerful foundations for generative recommender systems, framing recommendation tasks as text generation tasks. However, existing generative recommendation methods often rely on discrete ID-based…

Information Retrieval · Computer Science 2026-03-24 Jerome Ramos , Bin Wu , Aldo Lipani

Utilizing powerful Large Language Models (LLMs) for generative recommendation has attracted much attention. Nevertheless, a crucial challenge is transforming recommendation data into the language space of LLMs through effective item…

Information Retrieval · Computer Science 2025-10-21 Wenjie Wang , Honghui Bao , Xinyu Lin , Jizhi Zhang , Yongqi Li , Fuli Feng , See-Kiong Ng , Tat-Seng Chua

Retrieval tasks typically require a ranking of items given a query. Collaborative filtering tasks, on the other hand, learn to model user's preferences over items. In this paper we study the joint problem of recommending items to a user…

Information Retrieval · Computer Science 2012-06-22 Jason Weston , Chong Wang , Ron Weiss , Adam Berenzweig

Generative recommendation (GR) has become a powerful paradigm in recommendation systems that implicitly links modality and semantics to item representation, in contrast to previous methods that relied on non-semantic item identifiers in…

Information Retrieval · Computer Science 2025-04-01 Jing Zhu , Mingxuan Ju , Yozen Liu , Danai Koutra , Neil Shah , Tong Zhao

In the combinatorial recommender systems, multiple items are fed to the user at one time in the result page, where the correlations among the items have impact on the user behavior. In this work, we model the combinatorial recommendation as…

Information Retrieval · Computer Science 2019-06-25 Fan Wang , Xiaomin Fang , Lihang Liu , Yaxue Chen , Jiucheng Tao , Zhiming Peng , Cihang Jin , Hao Tian

Modern recommender systems perform large-scale retrieval by first embedding queries and item candidates in the same unified space, followed by approximate nearest neighbor search to select top candidates given a query embedding. In this…

Recently, there has been a surge of interest in Multi-Target Cross-Domain Recommendation (MTCDR), which aims to enhance recommendation performance across multiple domains simultaneously. Existing MTCDR methods primarily rely on…

Information Retrieval · Computer Science 2025-08-08 Jinqiu Jin , Yang Zhang , Fuli Feng , Xiangnan He

Modern search systems play a crucial role in facilitating information acquisition. Traditional search engines typically rely on a cascaded architecture, where results are retrieved through recall, pre-ranking, and ranking stages. The…

In a multi-stage recommendation system, reranking plays a crucial role in modeling intra-list correlations among items. A key challenge lies in exploring optimal sequences within the combinatorial space of permutations. Recent research…

Information Retrieval · Computer Science 2025-10-30 Zhijie Lin , Zhuofeng Li , Chenglei Dai , Wentian Bao , Shuai Lin , Enyun Yu , Haoxiang Zhang , Liang Zhao

Generative recommendation has recently attracted widespread attention in industry due to its potential for scaling and stronger model capacity. However, deploying real-time generative recommendation in large-scale advertising requires…