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Attribute-aware sequential recommendation entails predicting the next item a user will interact with based on a chronologically ordered history of past interactions, enriched with item attributes. Existing methods typically leverage…

Information Retrieval · Computer Science 2026-05-08 Shereen Elsayed , Ngoc Son Le , Ahmed Rashed , Lars Schmidt-Thieme

Recent advancements of sequential deep learning models such as Transformer and BERT have significantly facilitated the sequential recommendation. However, according to our study, the distribution of item embeddings generated by these models…

Information Retrieval · Computer Science 2021-11-19 Ruihong Qiu , Zi Huang , Hongzhi Yin , Zijian Wang

Modern recommender systems struggle to effectively utilize the rich, yet high-dimensional and noisy, multi-modal features generated by Large Language Models (LLMs). Treating these features as static inputs decouples them from the core…

Information Retrieval · Computer Science 2025-12-02 Jiahao Tian , Zhenkai Wang

Collaborative filtering (CF) has been one of the most important and popular recommendation methods, which aims at predicting users' preferences (ratings) based on their past behaviors. Recently, various types of side information beyond the…

Information Retrieval · Computer Science 2020-12-29 Huan Zhao , Quanming Yao , Yangqiu Song , James Kwok , Dik Lun Lee

The exploration of mutual-benefit cross-domains has shown great potential toward accurate self-supervised depth estimation. In this work, we revisit feature fusion between depth and semantic information and propose an efficient local…

Computer Vision and Pattern Recognition · Computer Science 2023-03-07 Daitao Xing , Jinglin Shen , Chiuman Ho , Anthony Tzes

Sequential recommender systems (SRS) predict the next items that users may prefer based on user historical interaction sequences. Inspired by the rise of large language models (LLMs) in various AI applications, there is a surge of work on…

Information Retrieval · Computer Science 2024-10-17 CanYi Liu , Wei Li , Youchen , Zhang , Hui Li , Rongrong Ji

Leveraging Large Language Models (LLMs) for generative recommendation has attracted significant research interest, where item tokenization is a critical step. It involves assigning item identifiers for LLMs to encode user history and…

Information Retrieval · Computer Science 2025-05-27 Xinyu Lin , Haihan Shi , Wenjie Wang , Fuli Feng , Qifan Wang , See-Kiong Ng , Tat-Seng Chua

We study hybrid search in text retrieval where lexical and semantic search are fused together with the intuition that the two are complementary in how they model relevance. In particular, we examine fusion by a convex combination (CC) of…

Information Retrieval · Computer Science 2023-05-26 Sebastian Bruch , Siyu Gai , Amir Ingber

The fast development of Large Language Models (LLMs) offers growing opportunities to further improve sequential recommendation systems. Yet for some practitioners, integrating LLMs to their existing base recommendation systems raises…

Information Retrieval · Computer Science 2025-04-17 Nanshan Jia , Chenfei Yuan , Yuhang Wu , Zeyu Zheng

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

Dynamic sequential recommendation (DSR) can generate model parameters based on user behavior to improve the personalization of sequential recommendation under various user preferences. However, it faces the challenges of large parameter…

Information Retrieval · Computer Science 2024-08-02 Zheqi Lv , Shaoxuan He , Tianyu Zhan , Shengyu Zhang , Wenqiao Zhang , Jingyuan Chen , Zhou Zhao , Fei Wu

Federated recommendations (FRs) have emerged as an on-device privacy-preserving paradigm, attracting considerable attention driven by rising demands for data security. Existing FRs predominantly adapt ID embeddings to represent items,…

Information Retrieval · Computer Science 2026-04-10 Kang Fu , Honglei Zhang , Zikai Zhang , Jundong Chen , Xin Zhou , Zhiqi Shen , Dusit Niyato , Yidong Li

Sequential recommender systems are essential for discerning user preferences from historical interactions and facilitating targeted recommendations. Recent innovations employing Large Language Models (LLMs) have advanced the field by…

Information Retrieval · Computer Science 2024-09-04 Xinyu Zhang , Linmei Hu , Luhao Zhang , Dandan Song , Heyan Huang , Liqiang Nie

Sequential Recommendation (SR) plays a pivotal role in recommender systems by tailoring recommendations to user preferences based on their non-stationary historical interactions. Achieving high-quality performance in SR requires attention…

Information Retrieval · Computer Science 2024-08-23 Wuchao Li , Rui Huang , Haijun Zhao , Chi Liu , Kai Zheng , Qi Liu , Na Mou , Guorui Zhou , Defu Lian , Yang Song , Wentian Bao , Enyun Yu , Wenwu Ou

This work addresses a fundamental barrier in recommender systems: the inability to generalize across domains without extensive retraining. Traditional ID-based approaches fail entirely in cold-start and cross-domain scenarios where new…

Information Retrieval · Computer Science 2025-06-16 Yangqin Jiang , Xubin Ren , Lianghao Xia , Da Luo , Kangyi Lin , Chao Huang

Feature fusion is a commonly used strategy in image retrieval tasks, which aggregates the matching responses of multiple visual features. Feasible sets of features can be either descriptors (SIFT, HSV) for an entire image or the same…

Information Retrieval · Computer Science 2018-11-01 Zhongdao Wang , Liang Zheng , Shengjin Wang

Features from multiple scales can greatly benefit the semantic edge detection task if they are well fused. However, the prevalent semantic edge detection methods apply a fixed weight fusion strategy where images with different semantics are…

Computer Vision and Pattern Recognition · Computer Science 2019-02-26 Yuan Hu , Yunpeng Chen , Xiang Li , Jiashi Feng

Sequential modelling entails making sense of sequential data, which naturally occurs in a wide array of domains. One example is systems that interact with users, log user actions and behaviour, and make recommendations of items of potential…

Information Retrieval · Computer Science 2021-09-15 Christian Hansen

Large language models (LLM) have recently emerged as a powerful tool for a variety of natural language processing tasks, bringing a new surge of combining LLM with recommendation systems, termed as LLM-based RS. Current approaches generally…

Information Retrieval · Computer Science 2024-03-20 Xiaohan Yu , Li Zhang , Xin Zhao , Yue Wang , Zhongrui Ma

Set-based person re-identification (SReID) is a matching problem that aims to verify whether two sets are of the same identity (ID). Existing SReID models typically generate a feature representation per image and aggregate them to represent…

Computer Vision and Pattern Recognition · Computer Science 2019-11-22 Xinshao Wang , Elyor Kodirov , Yang Hua , Neil M. Robertson
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