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Related papers: Language-Model Prior Overcomes Cold-Start Items

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Generative recommendation based on Large Language Models (LLMs) have transformed the traditional ranking-based recommendation style into a text-to-text generation paradigm. However, in contrast to standard NLP tasks that inherently operate…

Information Retrieval · Computer Science 2024-05-20 Juntao Tan , Shuyuan Xu , Wenyue Hua , Yingqiang Ge , Zelong Li , Yongfeng Zhang

Practical recommender systems experience a cold-start problem when observed user-item interactions in the history are insufficient. Meta learning, especially gradient based one, can be adopted to tackle this problem by learning initial…

Information Retrieval · Computer Science 2021-11-01 Xidong Feng , Chen Chen , Dong Li , Mengchen Zhao , Jianye Hao , Jun Wang

Generative recommendation (GR) has shown strong potential for sequential recommendation in an end-to-end generation paradigm. However, existing GR models suffer from severe cold-start collapse: their recommendation accuracy on cold-start…

Information Retrieval · Computer Science 2026-05-04 Chenglei Shen , Teng Shi , Weijie Yu , Xiao Zhang , Jun Xu

Recommender systems (RS) suggest items-based on the estimated preferences of users. Recent RS methods utilise vector space embeddings and deep learning methods to make efficient recommendations. However, most of these methods overlook the…

Information Retrieval · Computer Science 2020-09-01 Makbule Gulcin Ozsoy

Common difficulties like the cold-start problem and a lack of sufficient information about users due to their limited interactions have been major challenges for most recommender systems (RS). To overcome these challenges and many similar…

Information Retrieval · Computer Science 2014-09-10 Khalifeh AlJadda , Mohammed Korayem , Camilo Ortiz , Chris Russell , David Bernal , Lamar Payson , Scott Brown , Trey Grainger

Recommender systems are one of the most successful applications of machine learning and data science. They are successful in a wide variety of application domains, including e-commerce, media streaming content, email marketing, and…

Information Retrieval · Computer Science 2023-04-04 Juan Pablo Equihua , Maged Ali , Henrik Nordmark , Berthold Lausen

Recommender systems have become increasingly ubiquitous in daily life. While traditional recommendation approaches primarily rely on ID-based representations or item-side content features, they often fall short in capturing the underlying…

Information Retrieval · Computer Science 2025-08-12 Yunze Luo , Yinjie Jiang , Gaode Chen , Xinghua Zhang , Jun Zhang , Jian Liang , Kaigui Bian

Collaborative filtering (CF) is widely adopted in industrial recommender systems (RecSys) for modeling user-item interactions across numerous applications, but often struggles with cold-start and data-sparse scenarios. Recent advancements…

Information Retrieval · Computer Science 2025-11-21 Weizhi Zhang , Liangwei Yang , Wooseong Yang , Henry Peng Zou , Yuqing Liu , Ke Xu , Sourav Medya , Philip S. Yu

Large Language Models (LLMs) excel in various tasks, including personalized recommendations. Existing evaluation methods often focus on rating prediction, relying on regression errors between actual and predicted ratings. However, user…

Computation and Language · Computer Science 2025-01-24 Zhaoxuan Tan , Zinan Zeng , Qingkai Zeng , Zhenyu Wu , Zheyuan Liu , Fengran Mo , Meng Jiang

In recommender systems, a cold-start problem occurs when there is no past interaction record associated with the user or item. Typical solutions to the cold-start problem make use of contextual information, such as user demographic…

Information Retrieval · Computer Science 2021-06-07 Yihong Zhang , Takuya Maekawa , Takahiro Hara

Integrating product catalogs and user behavior into LLMs can enhance recommendations with broad world knowledge, but the scale of real-world item catalogs, often containing millions of discrete item identifiers (Item IDs), poses a…

Information Retrieval · Computer Science 2025-09-05 Anushya Subbiah , Vikram Aggarwal , James Pine , Steffen Rendle , Krishna Sayana , Kun Su

Recommendation systems are essential ingredients in producing matches between products and buyers. Despite their ubiquity, they face two important challenges. First, they are data-intensive, a feature that precludes sophisticated…

General Economics · Economics 2020-10-08 Pedro M. Gardete , Carlos D. Santos

Recommendation systems are ubiquitous, from Spotify playlist suggestions to Amazon product suggestions. Nevertheless, depending on the methodology or the dataset, these systems typically fail to capture user preferences and generate general…

Information Retrieval · Computer Science 2024-01-15 Angela John , Theophilus Aidoo , Hamayoon Behmanush , Irem B. Gunduz , Hewan Shrestha , Maxx Richard Rahman , Wolfgang Maaß

Large Language Models (LLMs) are being increasingly explored as general-purpose tools for recommendation tasks, enabling zero-shot and instruction-following capabilities without the need for task-specific training. While the research…

Information Retrieval · Computer Science 2025-08-05 Ethan Bito , Yongli Ren , Estrid He

Modern techniques in Content-based Recommendation (CBR) leverage item content information to provide personalized services to users, but suffer from resource-intensive training on large datasets. To address this issue, we explore the…

Information Retrieval · Computer Science 2025-02-11 Jiahao Wu , Qijiong Liu , Hengchang Hu , Wenqi Fan , Shengcai Liu , Qing Li , Xiao-Ming Wu , Ke Tang

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

Accurately recommending products has long been a subject requiring in-depth research. This study proposes a multimodal paradigm for clothing recommendations. Specifically, it designs a multimodal analysis method that integrates clothing…

Information Retrieval · Computer Science 2024-10-22 Bingjie Huang , Qingyi Lu , Shuaishuai Huang , Xue-she Wang , Haowei Yang

Recommender systems are software tools used to generate and provide suggestions for items and other entities to the users by exploiting various strategies. Hybrid recommender systems combine two or more recommendation strategies in…

Information Retrieval · Computer Science 2019-01-15 Erion Çano , Maurizio Morisio

Recommender systems are essential for delivering personalized content across digital platforms by modeling user preferences and behaviors. Recently, large language models (LLMs) have been adopted for prompt-based recommendation due to their…

Information Retrieval · Computer Science 2025-05-28 Md Aminul Islam , Ahmed Sayeed Faruk

Large Language Models (LLMs) have recently garnered significant attention in various domains, including recommendation systems. Recent research leverages the capabilities of LLMs to improve the performance and user modeling aspects of…

Information Retrieval · Computer Science 2024-11-05 Lei Chen , Chen Gao , Xiaoyi Du , Hengliang Luo , Depeng Jin , Yong Li , Meng Wang
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