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Large language models (LLMs) have emerged as a cutting-edge approach in sequential recommendation, leveraging historical interactions to model dynamic user preferences. Current methods mainly focus on learning processed recommendation data…

Information Retrieval · Computer Science 2025-07-15 Weicong Qin , Yi Xu , Weijie Yu , Chenglei Shen , Xiao Zhang , Ming He , Jianping Fan , Jun Xu

Generative Recommendation (GR) has emerged as a new paradigm in recommender systems. This approach relies on quantized representations to discretize item features, modeling users' historical interactions as sequences of discrete tokens.…

Information Retrieval · Computer Science 2025-11-25 Fuwei Zhang , Xiaoyu Liu , Dongbo Xi , Jishen Yin , Huan Chen , Peng Yan , Fuzhen Zhuang , Zhao Zhang

Recommender systems (RS) are pivotal in managing information overload in modern digital services. A key challenge in RS is efficiently processing vast item pools to deliver highly personalized recommendations under strict latency…

Information Retrieval · Computer Science 2024-10-22 Junjie Huang , Jiarui Qin , Jianghao Lin , Ziming Feng , Yong Yu , Weinan Zhang

Harnessing Large Language Models (LLMs) for recommendation is rapidly emerging, which relies on two fundamental steps to bridge the recommendation item space and the language space: 1) item indexing utilizes identifiers to represent items…

Information Retrieval · Computer Science 2024-07-26 Xinyu Lin , Wenjie Wang , Yongqi Li , Fuli Feng , See-Kiong Ng , Tat-Seng Chua

In recent years, bundle recommendation systems have gained significant attention in both academia and industry due to their ability to enhance user experience and increase sales by recommending a set of items as a bundle rather than…

Information Retrieval · Computer Science 2026-02-27 Meng Sun , Lin Li , Ming Li , Xiaohui Tao , Dong Zhang , Qing Xie , Peipei Wang , Jimmy Xiangji Huang

Large-scale industrial recommendation systems typically employ a two-stage paradigm of retrieval and ranking to handle huge amounts of information. Recent research focuses on improving the performance of retrieval model. A promising way is…

Information Retrieval · Computer Science 2025-08-21 Chengcheng Guo , Junda She , Kuo Cai , Shiyao Wang , Qigen Hu , Qiang Luo , Kun Gai , Guorui Zhou

With the information explosion on the Web, search and recommendation are foundational infrastructures to satisfying users' information needs. As the two sides of the same coin, both revolve around the same core research problem, matching…

Information Retrieval · Computer Science 2024-04-29 Yongqi Li , Xinyu Lin , Wenjie Wang , Fuli Feng , Liang Pang , Wenjie Li , Liqiang Nie , Xiangnan He , Tat-Seng Chua

Recommender systems are a subset of information filtering systems designed to predict and suggest items that users may find interesting or relevant based on their preferences, behaviors, or interactions. By analyzing user data such as past…

Information Retrieval · Computer Science 2024-10-01 Mahamudul Hasan

Unsupervised instance segmentation aims to segment distinct object instances in an image without relying on human-labeled data. This field has recently seen significant advancements, partly due to the strong local correspondences afforded…

Computer Vision and Pattern Recognition · Computer Science 2024-09-30 Dylan Li , Gyungin Shin

Category information plays a crucial role in enhancing the quality and personalization of recommender systems. Nevertheless, the availability of item category information is not consistently present, particularly in the context of ID-based…

Information Retrieval · Computer Science 2024-03-18 Qijiong Liu , Lu Fan , Jiaren Xiao , Jieming Zhu , Xiao-Ming Wu

Leveraging Large Language Models (LLMs) for generative recommendation has attracted significant research interest, where item tokenization is a critical step. It involves assigning item identifiers for LLMs to encode user history and…

Information Retrieval · Computer Science 2025-05-27 Xinyu Lin , Haihan Shi , Wenjie Wang , Fuli Feng , Qifan Wang , See-Kiong Ng , Tat-Seng Chua

Recommender systems are becoming more and more important in our daily lives. However, traditional recommendation methods are challenged by data sparsity and efficiency, as the numbers of users, items, and interactions between the two in…

Information Retrieval · Computer Science 2019-04-30 Jinyin Chen , Yangyang Wu , Lu Fan , Xiang Lin , Haibin Zheng , Shanqing Yu , Qi Xuan

While generative modeling has become prevalent across numerous research fields, its integration into the realm of image retrieval remains largely unexplored and underjustified. In this paper, we present a novel methodology, reframing image…

Computer Vision and Pattern Recognition · Computer Science 2024-07-25 Yidan Zhang , Ting Zhang , Dong Chen , Yujing Wang , Qi Chen , Xing Xie , Hao Sun , Weiwei Deng , Qi Zhang , Fan Yang , Mao Yang , Qingmin Liao , Jingdong Wang , Baining Guo

While generative recommendations (GR) possess strong sequential reasoning capabilities, they face significant challenges when processing extremely long user behavior sequences: the high computational cost forces practical sequence lengths…

Information Retrieval · Computer Science 2026-02-17 Yu Zhou , Chengcheng Guo , Kuo Cai , Ji Liu , Qiang Luo , Ruiming Tang , Han Li , Kun Gai , Guorui Zhou

Generative retrieval introduces a groundbreaking paradigm to document retrieval by directly generating the identifier of a pertinent document in response to a specific query. This paradigm has demonstrated considerable benefits and…

Information Retrieval · Computer Science 2024-10-28 Mingming Li , Huimu Wang , Zuxu Chen , Guangtao Nie , Yiming Qiu , Guoyu Tang , Lin Liu , Jingwei Zhuo

One important tool is the optimal clustering of data into useful categories. Dividing similar objects into a smaller number of clusters is of importance in many applications. These include search engines, monitoring of academic performance,…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-09-21 Gavriel Yarmish , Philip Listowsky , Simon Dexter

The core of the general recommender systems lies in learning high-quality embedding representations of users and items to investigate their positional relations in the feature space. Unfortunately, data sparsity caused by…

Information Retrieval · Computer Science 2025-04-24 Yi Zhang , Yiwen Zhang

Interpreting the performance results of models that attempt to realize user behavior in platforms that employ recommenders is a big challenge that researchers and practitioners continue to face. Although current evaluation tools possess the…

Information Retrieval · Computer Science 2022-07-20 Wissam Al Jurdi , Jacques Bou Abdo , Jacques Demerjian , Abdallah Makhoul

Recommender systems must balance personalization, diversity, and robustness to cold-start scenarios to remain effective in dynamic content environments. This paper introduces an adaptive, exploration-based recommendation framework that…

Information Retrieval · Computer Science 2025-03-26 Edoardo Bianchi

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