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Related papers: Disentangled Item Representation for Recommender S…

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Among various recommender techniques, collaborative filtering (CF) is the most successful one. And a key problem in CF is how to represent users and items. Previous works usually represent a user (an item) as a vector of latent factors…

Information Retrieval · Computer Science 2021-02-08 Gongshan He , Dongxing Zhao , Lixin Ding

In recent years, neural networks and other complex models have dominated recommender systems, often setting new benchmarks for state-of-the-art performance. Yet, despite these advancements, award-winning research has demonstrated that…

Information Retrieval · Computer Science 2026-04-20 Pedro R. Pires , Rafael T. Sereicikas , Gregorio F. Azevedo , Tiago A. Almeida

Recent agent-based recommendation frameworks aim to simulate user behaviors by incorporating memory mechanisms and prompting strategies, but they struggle with hallucinating non-existent items and full-catalog ranking. Besides, a largely…

Information Retrieval · Computer Science 2026-02-25 Mingdai Yang , Nurendra Choudhary , Jiangshu Du , Edward W. Huang , Philip S. Yu , Karthik Subbian , Danai Koutra

Personalized recommendation algorithms learn a user's preference for an item by measuring a distance/similarity between them. However, some of the existing recommendation models (e.g., matrix factorization) assume a linear relationship…

Information Retrieval · Computer Science 2019-05-03 Thanh Tran , Xinyue Liu , Kyumin Lee , Xiangnan Kong

Session-based recommendation aims to predict intents of anonymous users based on their limited behaviors. Modeling user behaviors involves two distinct rationales: co-occurrence patterns reflected by item IDs, and fine-grained preferences…

Information Retrieval · Computer Science 2024-04-22 Xiaokun Zhang , Bo Xu , Zhaochun Ren , Xiaochen Wang , Hongfei Lin , Fenglong Ma

The main idea of this paper is to represent shopping items through vectors because these vectors act as the base for building em- beddings for customers and shopping carts. Also, these vectors are input to the mathematical models that act…

Information Retrieval · Computer Science 2017-05-19 Bibek Behera , Manoj Joshi , Abhilash KK , Mohammad Ansari Ismail

People usually have different intents for choosing items, while their preferences under the same intent may also different. In traditional collaborative filtering approaches, both intent and preference factors are usually entangled in the…

Information Retrieval · Computer Science 2023-05-19 Chao Wang , Hengshu Zhu , Dazhong Shen , Wei wu , Hui Xiong

Disentangled representations have recently been shown to improve fairness, data efficiency and generalisation in simple supervised and reinforcement learning tasks. To extend the benefits of disentangled representations to more complex…

Unsupervised learning of disentangled representations has been closely tied to enhancing the representation intepretability of Recommender Systems (RSs). This has been achieved by making the representation of individual features more…

Information Retrieval · Computer Science 2025-02-03 Ervin Dervishaj , Tuukka Ruotsalo , Maria Maistro , Christina Lioma

To improve the generalization of detectors, for domain adaptive object detection (DAOD), recent advances mainly explore aligning feature-level distributions between the source and single-target domain, which may neglect the impact of…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Aming Wu , Rui Liu , Yahong Han , Linchao Zhu , Yi Yang

Modern online service providers such as online shopping platforms often provide both search and recommendation (S&R) services to meet different user needs. Rarely has there been any effective means of incorporating user behavior data from…

Information Retrieval · Computer Science 2023-05-19 Zihua Si , Zhongxiang Sun , Xiao Zhang , Jun Xu , Xiaoxue Zang , Yang Song , Kun Gai , Ji-Rong Wen

Cold-start item recommendation is a long-standing challenge in recommendation systems. A common remedy is to use a content-based approach, but rich information from raw contents in various forms has not been fully utilized. In this paper,…

Information Retrieval · Computer Science 2024-04-23 Jooeun Kim , Jinri Kim , Kwangeun Yeo , Eungi Kim , Kyoung-Woon On , Jonghwan Mun , Joonseok Lee

Matrix factorization techniques have been widely used as a method for collaborative filtering for recommender systems. In recent times, different variants of deep learning algorithms have been explored in this setting to improve the task of…

Machine Learning · Computer Science 2019-03-26 Vaibhav Krishna , Tian Guo , Nino Antulov-Fantulin

Due to a large amount of information, it is difficult for users to find what they are interested in among the many choices. In order to improve users' experience, recommendation systems have been widely used in music recommendations, movie…

Information Retrieval · Computer Science 2021-11-02 Na zhao , Zhen Long , Zhi-Dan Zhao , Jian Wang

Scene text images contain not only style information (font, background) but also content information (character, texture). Different scene text tasks need different information, but previous representation learning methods use tightly…

Computer Vision and Pattern Recognition · Computer Science 2024-05-08 Boqiang Zhang , Hongtao Xie , Zuan Gao , Yuxin Wang

In Recommender systems, data representation techniques play a great role as they have the power to entangle, hide and reveal explanatory factors embedded within datasets. Hence, they influence the quality of recommendations. Specifically,…

Information Retrieval · Computer Science 2020-11-11 Bereket Abera Yilma , Najib Aghenda , Marcelo Romero , Yannick Naudet , Herve Panetto

An Item based recommender system works by computing a similarity between items, which can exploit past user interactions (collaborative filtering) or item features (content based filtering). Collaborative algorithms have been proven to…

Information Retrieval · Computer Science 2019-07-12 Maurizio Ferrari Dacrema , Alberto Gasparin , Paolo Cremonesi

Learning vector representations (aka. embeddings) of users and items lies at the core of modern recommender systems. Ranging from early matrix factorization to recently emerged deep learning based methods, existing efforts typically obtain…

Information Retrieval · Computer Science 2020-07-06 Xiang Wang , Xiangnan He , Meng Wang , Fuli Feng , Tat-Seng Chua

Personalized recommender systems aim to predict users' preferences for items. It has become an indispensable part of online services. Online social platforms enable users to form groups based on their common interests. The users' group…

Information Retrieval · Computer Science 2023-11-17 Xiaolong Liu , Liangwei Yang , Zhiwei Liu , Xiaohan Li , Mingdai Yang , Chen Wang , Philip S. Yu

One key property in recommender systems is the long-tail distribution in user-item interactions where most items only have few user feedback. Improving the recommendation of tail items can promote novelty and bring positive effects to both…

Information Retrieval · Computer Science 2022-10-11 Tieyun Qian , Yile Liang , Qing Li , Xuan Ma , Ke Sun , Zhiyong Peng