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Sequential recommendation techniques provide users with product recommendations fitting their current preferences by handling dynamic user preferences over time. Previous studies have focused on modeling sequential dynamics without much…

Information Retrieval · Computer Science 2021-05-25 Seongwon Jang , Hoyeop Lee , Hyunsouk Cho , Sehee Chung

With the growth of online shopping for fashion products, accurate fashion recommendation has become a critical problem. Meanwhile, social networks provide an open and new data source for personalized fashion analysis. In this work, we study…

Computer Vision and Pattern Recognition · Computer Science 2020-05-27 Haitian Zheng , Kefei Wu , Jong-Hwi Park , Wei Zhu , Jiebo Luo

Recommender systems typically represent users and items by learning their embeddings, which are usually set to uniform dimensions and dominate the model parameters. However, real-world recommender systems often operate in streaming…

Information Retrieval · Computer Science 2026-02-05 Yunke Qu , Liang Qu , Tong Chen , Xiangyu Zhao , Quoc Viet Hung Nguyen , Hongzhi Yin

A popular testbed for deep learning has been multimodal recognition of human activity or gesture involving diverse inputs such as video, audio, skeletal pose and depth images. Deep learning architectures have excelled on such problems due…

Neural and Evolutionary Computing · Computer Science 2017-07-05 Dhanesh Ramachandram , Michal Lisicki , Timothy J. Shields , Mohamed R. Amer , Graham W. Taylor

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

The recommender system (RS) has been an integral toolkit of online services. They are equipped with various deep learning techniques to model user preference based on identifier and attribute information. With the emergence of multimedia…

Information Retrieval · Computer Science 2024-09-05 Qidong Liu , Jiaxi Hu , Yutian Xiao , Xiangyu Zhao , Jingtong Gao , Wanyu Wang , Qing Li , Jiliang Tang

Sequential recommendation aims to capture user preferences by modeling sequential patterns in user-item interactions. However, these models are often influenced by noise such as accidental interactions, leading to suboptimal performance.…

Information Retrieval · Computer Science 2025-10-07 Tongzhou Wu , Yuhao Wang , Maolin Wang , Chi Zhang , Xiangyu Zhao

Integrating diverse data modalities is crucial for enhancing the performance of personalized recommendation systems. Traditional models, which often rely on singular data sources, lack the depth needed to accurately capture the multifaceted…

Information Retrieval · Computer Science 2025-02-18 Luyi Ma , Xiaohan Li , Zezhong Fan , Kai Zhao , Jianpeng Xu , Jason Cho , Praveen Kanumala , Kaushiki Nag , Sushant Kumar , Kannan Achan

Multi-modal recommendation systems aim to enhance performance by integrating an item's content features across various modalities with user behavior data. Effective utilization of features from different modalities requires addressing two…

Information Retrieval · Computer Science 2025-02-27 Hang Zhou , Yucheng Wang , Huijing Zhan

Multimodal learning plays a critical role in e-commerce recommendation platforms today, enabling accurate recommendations and product understanding. However, existing vision-language models, such as CLIP, face key challenges in e-commerce…

Information Retrieval · Computer Science 2025-07-24 Ramin Giahi , Kehui Yao , Sriram Kollipara , Kai Zhao , Vahid Mirjalili , Jianpeng Xu , Topojoy Biswas , Evren Korpeoglu , Kannan Achan

Information Retrieval (IR) methods aim to identify documents relevant to a query, which have been widely applied in various natural language tasks. However, existing approaches typically consider only the textual content within documents,…

Computation and Language · Computer Science 2026-01-26 Jaewoo Lee , Joonho Ko , Jinheon Baek , Soyeong Jeong , Sung Ju Hwang

Explainability and effectiveness are two key aspects for building recommender systems. Prior efforts mostly focus on incorporating side information to achieve better recommendation performance. However, these methods have some weaknesses:…

Information Retrieval · Computer Science 2019-03-12 Weizhi Ma , Min Zhang , Yue Cao , Woojeong , Jin , Chenyang Wang , Yiqun Liu , Shaoping Ma , Xiang Ren

Personalized News Recommendation systems (PNR) have emerged as a solution to information overload by predicting and suggesting news items tailored to individual user interests. However, traditional PNR systems face several challenges,…

Social and Information Networks · Computer Science 2025-07-24 Mehdi Khalaj , Shahrzad Golestani Najafabadi , Julita Vassileva

In real-world applications, users express different behaviors when they interact with different items, including implicit click/like interactions, and explicit comments/reviews interactions. Nevertheless, almost all recommender works are…

Information Retrieval · Computer Science 2024-07-30 Wentao Xu , Qianqian Xie , Shuo Yang , Jiangxia Cao , Shuchao Pang

Over the past decade, significant advances have been made in the field of image search for e-commerce applications. Traditional image-to-image retrieval models, which focus solely on image details such as texture, tend to overlook useful…

Computer Vision and Pattern Recognition · Computer Science 2024-02-09 Chang Liu , Peng Hou , Anxiang Zeng , Han Yu

Given the effectiveness and ease of use, Item-based Collaborative Filtering (ICF) methods have been broadly used in industry in recent years. The key of ICF lies in the similarity measurement between items, which however is a coarse-grained…

Information Retrieval · Computer Science 2019-11-12 Liang Zhang , Guannan Liu , Junjie Wu

I present a hybrid matrix factorisation model representing users and items as linear combinations of their content features' latent factors. The model outperforms both collaborative and content-based models in cold-start or sparse…

Information Retrieval · Computer Science 2015-07-31 Maciej Kula

Over the past 10 years, many recommendation techniques have been based on embedding users and items in latent vector spaces, where the inner product of a (user,item) pair of vectors represents the predicted affinity of the user to the item.…

Information Retrieval · Computer Science 2019-07-09 Sonya Liberman , Shaked Bar , Raphael Vannerom , Danny Rosenstein , Ronny Lempel

Neural network approaches in recommender systems have shown remarkable success by representing a large set of items as a learnable vector embedding table. However, infrequent items may suffer from inadequate training opportunities, making…

Information Retrieval · Computer Science 2023-12-12 Jinseok Seol , Minseok Gang , Sang-goo Lee , Jaehui Park

Traditional recommendation methods rely on correlating the embedding vectors of item IDs to capture implicit collaborative filtering signals to model the user's interest in the target item. Consequently, traditional ID-based methods often…

Information Retrieval · Computer Science 2025-08-22 Moyu Zhang , Yongxiang Tang , Yujun Jin , Jinxin Hu , Yu Zhang