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The mobile app market has expanded exponentially, offering millions of apps with diverse functionalities, yet research in mobile app recommendation remains limited. Traditional sequential recommender systems utilize the order of items in…

Information Retrieval · Computer Science 2025-06-17 M. H. Maqbool , Moghis Fereidouni , Umar Farooq , A. B. Siddique , Hassan Foroosh

Recently, self-attention based models have achieved state-of-the-art performance in sequential recommendation task. Following the custom from language processing, most of these models rely on a simple positional embedding to exploit the…

Machine Learning · Computer Science 2020-08-24 Sung Min Cho , Eunhyeok Park , Sungjoo Yoo

Embedding-based retrieval serves as a dominant approach to candidate item matching for industrial recommender systems. With the success of generative AI, generative retrieval has recently emerged as a new retrieval paradigm for…

Information Retrieval · Computer Science 2024-09-10 Jieming Zhu , Mengqun Jin , Qijiong Liu , Zexuan Qiu , Zhenhua Dong , Xiu Li

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

In this paper, we propose a novel sequence-aware recommendation model. Our model utilizes self-attention mechanism to infer the item-item relationship from user's historical interactions. With self-attention, it is able to estimate the…

Information Retrieval · Computer Science 2018-08-28 Shuai Zhang , Yi Tay , Lina Yao , Aixin Sun

Cross domain recommender system constitutes a powerful method to tackle the cold-start and sparsity problem by aggregating and transferring user preferences across multiple category domains. Therefore, it has great potential to improve…

Information Retrieval · Computer Science 2021-06-08 Pan Li , Zhichao Jiang , Maofei Que , Yao Hu , Alexander Tuzhilin

Recommending relevant items to users is a crucial task on online communities such as Reddit and Twitter. For recommendation system, representation learning presents a powerful technique that learns embeddings to represent user behaviors and…

Information Retrieval · Computer Science 2021-03-05 Shalini Pandey , George Karypis , Jaideep Srivasatava

Modeling user sequential behaviors has recently attracted increasing attention in the recommendation domain. Existing methods mostly assume coherent preference in the same sequence. However, user personalities are volatile and easily…

Information Retrieval · Computer Science 2022-04-01 Weiqi Shao , Xu Chen , Long Xia , Jiashu Zhao , Dawei Yin

Token compression techniques have recently emerged as powerful tools for accelerating Vision Transformer (ViT) inference in computer vision. Due to the quadratic computational complexity with respect to the token sequence length, these…

Computer Vision and Pattern Recognition · Computer Science 2025-07-15 Phat Nguyen , Ngai-Man Cheung

Accounting for the fact that users have different sequential patterns, the main drawback of state-of-the-art recommendation strategies is that a fixed sequence length of user-item interactions is required as input to train the models. This…

Information Retrieval · Computer Science 2021-08-04 Stefanos Antaris , Dimitrios Rafailidis

In-context learning is a promising approach for offline reinforcement learning (RL) to handle online tasks, which can be achieved by providing task prompts. Recent works demonstrated that in-context RL could emerge with self-improvement in…

Machine Learning · Computer Science 2024-06-03 Sili Huang , Jifeng Hu , Hechang Chen , Lichao Sun , Bo Yang

Sequential recommendation systems model dynamic preferences of users based on their historical interactions with platforms. Despite recent progress, modeling short-term and long-term behavior of users in such systems is nontrivial and…

Information Retrieval · Computer Science 2021-07-07 Mehrnaz Amjadi , Seyed Danial Mohseni Taheri , Theja Tulabandhula

In reality, users have different interests in different periods, regions, scenes, etc. Such changes in interest are so drastic that they are difficult to be captured by recommenders. Existing multi-domain learning can alleviate this…

Information Retrieval · Computer Science 2025-01-27 Zhenhao Jiang , Chenghao Chen , Hao Feng , Yu Yang , Jin Liu , Jie Zhang , Jia Jia , Ning Hu

Porous materials exhibit vast structural diversity and support critical applications in gas storage, separations, and catalysis. However, predictive modeling remains challenging due to the multiscale nature of structure-property…

Machine Learning · Computer Science 2025-09-24 Dong Chen , Jian Liu , Chun-Long Chen , Guo-Wei Wei

Sequential recommendation systems that model dynamic preferences based on a use's past behavior are crucial to e-commerce. Recent studies on these systems have considered various types of information such as images and texts. However,…

Information Retrieval · Computer Science 2024-05-29 Hyungtaik Oh , Wonkeun Jo , Dongil Kim

Modern recommender systems leverage ultra-long user behavior sequences to capture dynamic preferences, but end-to-end modeling is infeasible in production due to latency and memory constraints. While summarizing history via interest centers…

Information Retrieval · Computer Science 2026-02-25 Kun Yuan , Junyu Bi , Daixuan Cheng , Changfa Wu , Shuwen Xiao , Binbin Cao , Jian Wu , Yuning Jiang

Modern recommender systems perform large-scale retrieval by first embedding queries and item candidates in the same unified space, followed by approximate nearest neighbor search to select top candidates given a query embedding. In this…

Sequential recommender models are essential components of modern industrial recommender systems. These models learn to predict the next items a user is likely to interact with based on his/her interaction history on the platform. Most…

Information Retrieval · Computer Science 2023-03-28 Bo Chang , Alexandros Karatzoglou , Yuyan Wang , Can Xu , Ed H. Chi , Minmin Chen

We propose a novel recommender framework, MuSTRec (Multimodal and Sequential Transformer-based Recommendation), that unifies multimodal and sequential recommendation paradigms. MuSTRec captures cross-item similarities and collaborative…

Information Retrieval · Computer Science 2026-02-10 Bucher Sahyouni , Matthew Vowels , Liqun Chen , Simon Hadfield

This paper presents a unified spoken language model for emotional intelligence, enhanced by a novel data construction strategy termed Injected Emotional-Attribution Thinking (IEAT). IEAT incorporates user emotional states and their…

Computation and Language · Computer Science 2026-01-09 Qing Wang , Zehan Li , Yaodong Song , Hongjie Chen , Jian Kang , Jie Lian , Jie Li , Yongxiang Li , Xuelong Li