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Session-based recommendations are highly relevant in many modern on-line services (e.g. e-commerce, video streaming) and recommendation settings. Recently, Recurrent Neural Networks have been shown to perform very well in session-based…

Machine Learning · Computer Science 2017-08-25 Massimo Quadrana , Alexandros Karatzoglou , Balázs Hidasi , Paolo Cremonesi

Sequential recommendation (SR) is traditionally formulated as next-item prediction over a chronological sequence of interacted items. Although recent generative recommendation (GR) methods introduce new machinery, such as semantic IDs,…

Information Retrieval · Computer Science 2026-05-19 Yingyi Zhang , Junyi Li , Yejing Wang , Wenlin Zhang , Xiaowei Qian , Sheng Zhang , Yue Feng , Yichao Wang , Yong Liu , Xiangyu Zhao , Xianneng Li

Session-based recommendation (SBR) is a task that aims to predict items based on anonymous sequences of user behaviors in a session. While there are methods that leverage rich context information in sessions for SBR, most of them have the…

Information Retrieval · Computer Science 2023-10-17 Zhihui Zhang , JianXiang Yu , Xiang Li

In session-based recommendation settings, a recommender system has no access to long-term user profiles and thus has to base its suggestions on the user interactions that are observed in an ongoing session. Since such sessions can consist…

Information Retrieval · Computer Science 2024-07-19 Faisal Shehzad , Dietmar Jannach

Retrieval-augmented generation (RAG) is a powerful technique that enhances downstream task execution by retrieving additional information, such as knowledge, skills, and tools from external sources. Graph, by its intrinsic "nodes connected…

In this study, we present a dynamic graph representation learning model on weighted graphs to accurately predict the network capacity of connections between viewers in a live video streaming event. We propose EGAD, a neural network…

Machine Learning · Computer Science 2020-11-12 Stefanos Antaris , Dimitrios Rafailidis , Sarunas Girdzijauskas

Recent advancements in session-based recommendation models using deep learning techniques have demonstrated significant performance improvements. While they can enhance model sophistication and improve the relevance of recommendations, they…

Machine Learning · Computer Science 2024-11-15 Bhavtosh Rath , Pushkar Chennu , David Relyea , Prathyusha Kanmanth Reddy , Amit Pande

Session-based target behavior prediction aims to predict the next item to be interacted with specific behavior types (e.g., clicking). Although existing methods for session-based behavior prediction leverage powerful representation learning…

Information Retrieval · Computer Science 2021-04-09 Wen Wang , Wei Zhang , Shukai Liu , Qi Liu , Bo Zhang , Leyu Lin , Hongyuan Zha

Social recommendation based on social network has achieved great success in improving the performance of recommendation system. Since social network (user-user relations) and user-item interactions are both naturally represented as…

Information Retrieval · Computer Science 2021-09-27 Yiming Zhang , Lingfei Wu , Qi Shen , Yitong Pang , Zhihua Wei , Fangli Xu , Ethan Chang , Bo Long

Session-based recommendation systems aim to model users' interests based on their sequential interactions to predict the next item in an ongoing session. In this work, we present a novel approach that can be used in session-based…

Information Retrieval · Computer Science 2024-08-31 Begüm Özbay , Resul Tugay , Şule Gündüz Öğüdücü

Personalized image generation is crucial for improving the user experience, as it renders reference images into preferred ones according to user visual preferences. Although effective, existing methods face two main issues. First, existing…

Sequential recommendation effectively addresses information overload by modeling users' temporal and sequential interaction patterns. To overcome the limitations of supervision signals, recent approaches have adopted self-supervised…

Information Retrieval · Computer Science 2024-06-03 Yuxi Liu , Lianghao Xia , Chao Huang

Modeling user preference from his historical sequences is one of the core problems of sequential recommendation. Existing methods in this field are widely distributed from conventional methods to deep learning methods. However, most of them…

Information Retrieval · Computer Science 2021-07-28 Mengqi Zhang , Shu Wu , Xueli Yu , Qiang Liu , Liang Wang

Session-based recommendation (SBR) is a challenging task, which aims to predict users' future interests based on anonymous behavior sequences. Existing methods leverage powerful representation learning approaches to encode sessions into a…

Information Retrieval · Computer Science 2021-06-02 Ziyang Wang , Wei Wei , Xian-Ling Mao , Xiao-Li Li , Shanshan Feng

The user review data have been demonstrated to be effective in solving different recommendation problems. Previous review-based recommendation methods usually employ sophisticated compositional models, such as Recurrent Neural Networks…

Information Retrieval · Computer Science 2021-01-26 Yong Liu , Susen Yang , Yinan Zhang , Chunyan Miao , Zaiqing Nie , Juyong Zhang

Session-based recommendation (SBR) focuses on next-item prediction at a certain time point. As user profiles are generally not available in this scenario, capturing the user intent lying in the item transitions plays a pivotal role. Recent…

Information Retrieval · Computer Science 2022-03-01 Xin Xia , Hongzhi Yin , Junliang Yu , Qinyong Wang , Lizhen Cui , Xiangliang Zhang

Retrieval-Augmented Generation (RAG) has shown promise in enhancing recommendation systems by incorporating external context into large language model prompts. However, existing RAG-based approaches often rely on static retrieval heuristics…

Session-based recommendation (SBR) problem, which focuses on next-item prediction for anonymous users, has received increasingly more attention from researchers. Existing graph-based SBR methods all lack the ability to differentiate between…

Information Retrieval · Computer Science 2023-02-09 Yuan Cao , Xudong Zhang , Fan Zhang , Feifei Kou , Josiah Poon , Xiongnan Jin , Yongheng Wang , Jinpeng Chen

Collaborative filtering (CF) is an essential technique in recommender systems that provides personalized recommendations by only leveraging user-item interactions. However, most CF methods represent users and items as fixed points in the…

Information Retrieval · Computer Science 2024-07-02 Haoxuan Li , Yuanxin Ouyang , Zhuang Liu , Wenge Rong , Zhang Xiong

In the realm of personalized recommender systems, the challenge of adapting to evolving user preferences and the continuous influx of new users and items is paramount. Conventional models, typically reliant on a static training-test…

Information Retrieval · Computer Science 2024-07-12 Peiyan Zhang , Yuchen Yan , Xi Zhang , Liying Kang , Chaozhuo Li , Feiran Huang , Senzhang Wang , Sunghun Kim