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Related papers: Recommender systems: when memory matters

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Recommender systems are aimed at generating a personalized ranked list of items that an end user might be interested in. With the unprecedented success of deep learning in computer vision and speech recognition, recently it has been a hot…

Information Retrieval · Computer Science 2018-08-16 Bo Song , Xin Yang , Yi Cao , Congfu Xu

Recommender systems are essential tools in the digital era, providing personalized content to users in areas like e-commerce, entertainment, and social media. Among the many approaches developed to create these systems, latent factor models…

Information Retrieval · Computer Science 2025-01-06 Hind I. Alshbanat , Hafida Benhidour , Said Kerrache

User simulators can rapidly generate a large volume of timely user behavior data, providing a testing platform for reinforcement learning-based recommender systems, thus accelerating their iteration and optimization. However, prevalent user…

Information Retrieval · Computer Science 2024-12-24 Zijian Zhang , Shuchang Liu , Ziru Liu , Rui Zhong , Qingpeng Cai , Xiangyu Zhao , Chunxu Zhang , Qidong Liu , Peng Jiang

We consider the problem of sequential recommendation, where the current recommendation is made based on past interactions. This recommendation task requires efficient processing of the sequential data and aims to provide recommendations…

Information Retrieval · Computer Science 2023-07-28 Xumei Xi , Yuke Zhao , Quan Liu , Liwen Ouyang , Yang Wu

Interactive Recommender Systems (IRSs) have attracted a lot of attention, due to their ability to model interactive processes between users and recommender systems. Numerous approaches have adopted Reinforcement Learning (RL) algorithms, as…

Information Retrieval · Computer Science 2023-08-23 Hojoon Lee , Dongyoon Hwang , Kyushik Min , Jaegul Choo

In recent years, neural models have been repeatedly touted to exhibit state-of-the-art performance in recommendation. Nevertheless, multiple recent studies have revealed that the reported state-of-the-art results of many neural…

Information Retrieval · Computer Science 2023-05-04 Yushun Dong , Jundong Li , Tobias Schnabel

With the continuous development of machine learning technology, major e-commerce platforms have launched recommendation systems based on it to serve a large number of customers with different needs more efficiently. Compared with…

Machine Learning · Computer Science 2020-12-14 Yang Yu , Zhenhao Gu , Rong Tao , Jingtian Ge , Kenglun Chang

In this paper, we study the problem of modeling users' diverse interests. Previous methods usually learn a fixed user representation, which has a limited ability to represent distinct interests of a user. In order to model users' various…

Information Retrieval · Computer Science 2018-05-21 Lei Zheng , Chun-Ta Lu , Lifang He , Sihong Xie , Vahid Noroozi , He Huang , Philip S. Yu

Recent developments in sequential experimental design look to construct a policy that can efficiently navigate the design space, in a way that maximises the expected information gain. Whilst there is work on achieving tractable policies for…

Machine Learning · Computer Science 2025-08-20 Yasir Zubayr Barlas , Kizito Salako

Currently, there starts a research trend to leverage neural architecture for recommendation systems. Though several deep recommender models are proposed, most methods are too simple to characterize users' complex preference. In this paper,…

Information Retrieval · Computer Science 2018-07-26 Han Xiao , Yidong Chen , Xiaodong Shi

Deep learning-based sequential recommender systems have recently attracted increasing attention from both academia and industry. Most of industrial Embedding-Based Retrieval (EBR) system for recommendation share the similar ideas with…

Information Retrieval · Computer Science 2022-04-01 Fuyu Lv , Mengxue Li , Tonglei Guo , Changlong Yu , Fei Sun , Taiwei Jin , Wilfred Ng

Session-based recommender systems typically focus on using only the triplet (user_id, timestamp, item_id) to make predictions of users' next actions. In this paper, we aim to utilize side information to help recommender systems catch…

Information Retrieval · Computer Science 2024-06-04 Yukun Jiang , Leo Guo , Xinyi Chen , Jing Xi Liu

In Conversational Recommendation Systems (CRS), the central question is how the conversational agent can naturally ask for user preferences and provide suitable recommendations. Existing works mainly follow the hierarchical architecture,…

Computation and Language · Computer Science 2023-10-24 Xian Li , Hongguang Shi , Yunfei Wang , Yeqin Zhang , Xubin Li , Cam-Tu Nguyen

We propose an algorithm for next query recommendation in interactive data exploration settings, like knowledge discovery for information gathering. The state-of-the-art query recommendation algorithms are based on sequence-to-sequence…

Information Retrieval · Computer Science 2024-07-08 Shameem A Puthiya Parambath , Christos Anagnostopoulos , Roderick Murray-Smith

Large language models (LLMs) have demonstrated impressive zero-shot abilities in solving a wide range of general-purpose tasks. However, it is empirically found that LLMs fall short in recognizing and utilizing temporal information,…

Information Retrieval · Computer Science 2024-05-07 Zhendong Chu , Zichao Wang , Ruiyi Zhang , Yangfeng Ji , Hongning Wang , Tong Sun

Leveraging Large Language Models (LLMs) to harness user-item interaction histories for item generation has emerged as a promising paradigm in generative recommendation. However, the limited context window of LLMs often restricts them to…

Information Retrieval · Computer Science 2025-04-30 Chengbing Wang , Yang Zhang , Fengbin Zhu , Jizhi Zhang , Tianhao Shi , Fuli Feng

In this paper, we propose a novel ranking framework for collaborative filtering with the overall aim of learning user preferences over items by minimizing a pairwise ranking loss. We show the minimization problem involves dependent random…

This paper studies the problem of learning interactive recommender systems from logged feedbacks without any exploration in online environments. We address the problem by proposing a general offline reinforcement learning framework for…

Machine Learning · Computer Science 2023-10-03 Teng Xiao , Donglin Wang

We consider an online learning to rank setting in which, at each round, an oblivious adversary generates a list of $m$ documents, pertaining to a query, and the learner produces scores to rank the documents. The adversary then generates a…

Machine Learning · Computer Science 2016-08-24 Sougata Chaudhuri , Ambuj Tewari

The aim of the recommender systems is to provide relevant and potentially interesting information to each user. This is fulfilled by utilizing the already recorded tendencies of similar users or detecting items similar to interested items…

Social and Information Networks · Computer Science 2019-12-20 Mohammad Reza Zarei , Mohammad R. Moosavi