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Related papers: Cold-Starts in Generative Recommendation: A Reprod…

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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

Online fashion sales present a challenging use case for personalized recommendation: Stores offer a huge variety of items in multiple sizes. Small stocks, high return rates, seasonality, and changing trends cause continuous turnover of…

Information Retrieval · Computer Science 2017-08-25 Sebastian Heinz , Christian Bracher , Roland Vollgraf

Recommending new items to existing users has remained a challenging problem due to absence of user's past preferences for these items. The user personalized non-collaborative methods based on item features can be used to address this item…

Information Retrieval · Computer Science 2019-04-29 Mohit Sharma , Jiayu Zhou , Junling Hu , George Karypis

Recommender systems are widely used to suggest engaging content, and Large Language Models (LLMs) have given rise to generative recommenders. Such systems can directly generate items, including for open-set tasks like question suggestion.…

Computation and Language · Computer Science 2024-06-11 Lütfi Kerem Senel , Besnik Fetahu , Davis Yoshida , Zhiyu Chen , Giuseppe Castellucci , Nikhita Vedula , Jason Choi , Shervin Malmasi

With the recent progress in generative artificial intelligence (Generative AI), particularly in the development of large language models, recommendation systems are evolving to become more versatile. Unlike traditional techniques,…

Information Retrieval · Computer Science 2025-06-23 Zihan Hong , Yushi Wu , Zhiting Zhao , Shanshan Feng , Jianghong Ma , Jiao Liu , Tianjun Wei

A key distinguishing feature of conversational recommender systems over traditional recommender systems is their ability to elicit user preferences using natural language. Currently, the predominant approach to preference elicitation is to…

Information Retrieval · Computer Science 2025-04-09 Ivica Kostric , Krisztian Balog , Filip Radlinski

There is much empirical evidence that item-item collaborative filtering works well in practice. Motivated to understand this, we provide a framework to design and analyze various recommendation algorithms. The setup amounts to online binary…

Machine Learning · Computer Science 2016-01-11 Guy Bresler , Devavrat Shah , Luis F. Voloch

In recent years, the field of recommendation systems has attracted increasing attention to developing predictive models that provide explanations of why an item is recommended to a user. The explanations can be either obtained by post-hoc…

Machine Learning · Computer Science 2020-12-16 Yifeng Guo , Yu Su , Zebin Yang , Aijun Zhang

The cold-start issue is the challenge when we talk about recommender systems, especially in the case when we do not have the past interaction data of new users or new items. Content-based features or hybrid solutions are common as…

Information Retrieval · Computer Science 2025-09-17 Yushang Zhao , Xinyue Han , Qian Leng , Qianyi Sun , Haotian Lyu , Chengrui 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

Generative recommendation has emerged as a promising paradigm that formulates the recommendations into a text-to-text generation task, harnessing the vast knowledge of large language models. However, existing studies focus on considering…

Information Retrieval · Computer Science 2025-11-04 Sunkyung Lee , Seongmin Park , Jonghyo Kim , Mincheol Yoon , Jongwuk Lee

Multimodal learning has shown promising performance in content-based recommendation due to the auxiliary user and item information of multiple modalities such as text and images. However, the problem of incomplete and missing modality is…

Information Retrieval · Computer Science 2018-08-31 Cheng Wang , Mathias Niepert , Hui Li

Item recommendation task predicts a personalized ranking over a set of items for each individual user. One paradigm is the rating-based methods that concentrate on explicit feedbacks and hence face the difficulties in collecting them.…

Information Retrieval · Computer Science 2021-01-15 Guang-Neng Hu , Xin-Yu Dai

Recent advances in ID-free recommender systems have attracted significant attention for effectively addressing the cold start problem. However, their vulnerability to malicious attacks remains largely unexplored. In this paper, we unveil a…

Information Retrieval · Computer Science 2025-04-29 Zongwei Wang , Min Gao , Junliang Yu , Xinyi Gao , Quoc Viet Hung Nguyen , Shazia Sadiq , Hongzhi Yin

Recommender systems learn about user preferences over time, automatically finding things of similar interest. This reduces the burden of creating explicit queries. Recommender systems do, however, suffer from cold-start problems where no…

Machine Learning · Computer Science 2007-05-23 Stuart E. Middleton , Harith Alani , David C. De Roure

The application of large language models (LLMs) in recommendation systems has recently gained traction. Traditional recommendation systems often lack explainability and suffer from issues such as popularity bias. Previous research has also…

Information Retrieval · Computer Science 2025-12-04 Yaqi Wang , Haojia Sun , Shuting Zhang

Large Language Models (LLMs) pose a new paradigm of modeling and computation for information tasks. Recommendation systems are a critical application domain poised to benefit significantly from the sequence modeling capabilities and world…

One of the most efficient methods in collaborative filtering is matrix factorization, which finds the latent vector representations of users and items based on the ratings of users to items. However, a matrix factorization based algorithm…

Information Retrieval · Computer Science 2018-05-15 ThaiBinh Nguyen , Atsuhiro Takasu

Most recent paradigms of generative model-based recommendation still face challenges related to the cold-start problem. Existing models addressing cold item recommendations mainly focus on acquiring more knowledge to enrich embeddings or…

Information Retrieval · Computer Science 2025-11-11 Yang Xiang , Li Fan , Chenke Yin , Menglin Kong , Chengtao Ji

In recent years, large language models (LLM) have emerged as powerful tools for diverse natural language processing tasks. However, their potential for recommender systems under the generative recommendation paradigm remains relatively…

Information Retrieval · Computer Science 2023-07-11 Jianchao Ji , Zelong Li , Shuyuan Xu , Wenyue Hua , Yingqiang Ge , Juntao Tan , Yongfeng Zhang