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Modern machine learning relies on datasets to develop and validate research ideas. Given the growth of publicly available data, finding the right dataset to use is increasingly difficult. Any research question imposes explicit and implicit…

Information Retrieval · Computer Science 2023-06-08 Vijay Viswanathan , Luyu Gao , Tongshuang Wu , Pengfei Liu , Graham Neubig

Training conversational recommender systems (CRS) requires extensive dialogue data, which is challenging to collect at scale. To address this, researchers have used simulated user-recommender conversations. Traditional simulation approaches…

Artificial Intelligence · Computer Science 2026-03-20 Jerome Ramos , Feng Xia , Xi Wang , Shubham Chatterjee , Xiao Fu , Hossein A. Rahmani , Aldo Lipani

Conversational recommendation systems (CRS) aim to recommend suitable items to users through natural language conversation. However, most CRS approaches do not effectively utilize the signal provided by these conversations. They rely…

Computation and Language · Computer Science 2023-05-24 Raghav Gupta , Renat Aksitov , Samrat Phatale , Simral Chaudhary , Harrison Lee , Abhinav Rastogi

Recommender systems are embracing conversational technologies to obtain user preferences dynamically, and to overcome inherent limitations of their static models. A successful Conversational Recommender System (CRS) requires proper handling…

Information Retrieval · Computer Science 2020-02-24 Wenqiang Lei , Xiangnan He , Yisong Miao , Qingyun Wu , Richang Hong , Min-Yen Kan , Tat-Seng Chua

While recent advancements in aligning Large Language Models (LLMs) with recommendation tasks have shown great potential and promising performance overall, these aligned recommendation LLMs still face challenges in complex scenarios. This is…

Information Retrieval · Computer Science 2025-02-18 Yi Fang , Wenjie Wang , Yang Zhang , Fengbin Zhu , Qifan Wang , Fuli Feng , Xiangnan He

When users are dissatisfied with recommendations from a recommender system, they often lack fine-grained controls for changing them. Large language models (LLMs) offer a solution by allowing users to guide their recommendations through…

Artificial Intelligence · Computer Science 2025-10-15 Micah Carroll , Adeline Foote , Kevin Feng , Marcus Williams , Anca Dragan , W. Bradley Knox , Smitha Milli

Large Language Models (LLMs) for Recommendation (LLM4Rec) is a promising research direction that has demonstrated exceptional performance in this field. However, its inability to capture real-time user preferences greatly limits the…

Information Retrieval · Computer Science 2025-02-26 Zheqi Lv , Tianyu Zhan , Wenjie Wang , Xinyu Lin , Shengyu Zhang , Wenqiao Zhang , Jiwei Li , Kun Kuang , Fei Wu

Users in consumption domains, like music, are often able to more efficiently provide preferences over a set of items (e.g. a playlist or radio) than over single items (e.g. songs). Unfortunately, this is an underexplored area of research,…

Information Retrieval · Computer Science 2023-05-09 Arun Tejasvi Chaganty , Megan Leszczynski , Shu Zhang , Ravi Ganti , Krisztian Balog , Filip Radlinski

Explainable recommendation has attracted much attention from the industry and academic communities. It has shown great potential for improving the recommendation persuasiveness, informativeness and user satisfaction. Despite a lot of…

Information Retrieval · Computer Science 2023-03-02 Xu Chen , Jingsen Zhang , Lei Wang , Quanyu Dai , Zhenhua Dong , Ruiming Tang , Rui Zhang , Li Chen , Ji-Rong Wen

Conversational recommender systems (CRSs) integrate both recommendation and dialogue tasks, making their evaluation uniquely challenging. Existing approaches primarily assess CRS performance by separately evaluating item recommendation and…

Information Retrieval · Computer Science 2026-01-27 Nuo Chen , Quanyu Dai , Xiaoyu Dong , Piaohong Wang , Qinglin Jia , Zhaocheng Du , Zhenhua Dong , Xiao-Ming Wu

We propose a novel preference alignment framework for improving spoken dialogue models on real-time conversations from user interactions. Current preference learning methods primarily focus on text-based language models, and are not…

Computation and Language · Computer Science 2025-06-27 Anne Wu , Laurent Mazaré , Neil Zeghidour , Alexandre Défossez

Conversational recommender systems engage users in dialogues to refine their needs and provide more personalized suggestions. Although textual information suffices for many domains, visually driven categories such as fashion or home decor…

Artificial Intelligence · Computer Science 2025-04-01 Hyunsik Jeon , Satoshi Koide , Yu Wang , Zhankui He , Julian McAuley

Modeling user-item interaction patterns is an important task for personalized recommendations. Many recommender systems are based on the assumption that there exists a linear relationship between users and items while neglecting the…

Information Retrieval · Computer Science 2018-07-12 Shuai Zhang , Lina Yao , Aixin Sun , Sen Wang , Guodong Long , Manqing Dong

This paper describes a real world deployment of a context-aware mobile app recommender system (RS) called Frappe. Utilizing a hybrid-approach, we conducted a large-scale app market deployment with 1000 Android users combined with a…

Information Retrieval · Computer Science 2015-05-13 Linas Baltrunas , Karen Church , Alexandros Karatzoglou , Nuria Oliver

Over the last few years, the arena of mobile application development has expanded considerably beyond the balance of the world\'s software markets. With the growing number of mobile software companies, and the mounting sophistication of…

Information Retrieval · Computer Science 2020-12-29 Bilal Abu-Salih , Hamad Alsawalqah , Basima Elshqeirat , Tomayess Issa , Pornpit Wongthongtham

Recommender systems have become important tools to support users in identifying relevant content in an overloaded information space. To ease the development of recommender systems, a number of recommender frameworks have been proposed that…

Information Retrieval · Computer Science 2019-01-03 Dominik Kowald , Simone Kopeinik , Elisabeth Lex

Text-based recommendation holds a wide range of practical applications due to its versatility, as textual descriptions can represent nearly any type of item. However, directly employing the original item descriptions may not yield optimal…

Computation and Language · Computer Science 2024-04-03 Hanjia Lyu , Song Jiang , Hanqing Zeng , Yinglong Xia , Qifan Wang , Si Zhang , Ren Chen , Christopher Leung , Jiajie Tang , Jiebo Luo

Traditional recommendation systems estimate user preference on items from past interaction history, thus suffering from the limitations of obtaining fine-grained and dynamic user preference. Conversational recommendation system (CRS) brings…

Information Retrieval · Computer Science 2020-07-02 Wenqiang Lei , Gangyi Zhang , Xiangnan He , Yisong Miao , Xiang Wang , Liang Chen , Tat-Seng Chua

Recommender systems have played a critical role in diverse digital services such as e-commerce, streaming media, social networks, etc. If we know what a user's intent is in a given session (e.g. do they want to watch short videos or a movie…

Information Retrieval · Computer Science 2025-05-22 Sejoon Oh , Moumita Bhattacharya , Yesu Feng , Sudarshan Lamkhede

Although existing multimodal recommendation models have shown promising performance, their effectiveness continues to be limited by the pervasive data sparsity problem. This problem arises because users typically interact with only a small…

Information Retrieval · Computer Science 2025-12-10 Jinfeng Xu , Zheyu Chen , Shuo Yang , Jinze Li , Zitong Wan , Hewei Wang , Weijie Liu , Yijie Li , Edith C. H. Ngai