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Recommender systems play an important role in modern information and e-commerce applications. While increasing research is dedicated to improving the relevance and diversity of the recommendations, the potential risks of state-of-the-art…

Machine Learning · Computer Science 2020-08-31 Jiaxi Tang , Hongyi Wen , Ke Wang

Recommender systems (RSs) have attained exceptional performance in learning users' preferences and helping them in finding the most suitable products. Recent advances in adversarial machine learning (AML) in the computer vision domain have…

Information Retrieval · Computer Science 2020-10-06 Vito Walter Anelli , Alejandro Bellogín , Yashar Deldjoo , Tommaso Di Noia , Felice Antonio Merra

How to make the best decision between the opinions and tastes of your friends and acquaintances? Therefore, recommender systems are used to solve such issues. The common algorithms use a similarity measure to predict active users' tastes…

Information Retrieval · Computer Science 2019-08-16 Mostafa Khalaji , Nilufar Mohammadnejad

With the exponentially increasing volume of online data, searching and finding required information have become an extensive and time-consuming task. Recommender Systems as a subclass of information retrieval and decision support systems by…

Information Retrieval · Computer Science 2023-04-20 Ali Fallahi RahmatAbadi , Javad Mohammadzadeh

Recommender system is an essential component of web services to engage users. Popular recommender systems model user preferences and item properties using a large amount of crowdsourced user-item interaction data, e.g., rating scores; then…

Cryptography and Security · Computer Science 2020-06-02 Minghong Fang , Neil Zhenqiang Gong , Jia Liu

As data privacy and security attract increasing attention, Federated Recommender System (FRS) offers a solution that strikes a balance between providing high-quality recommendations and preserving user privacy. However, the presence of…

Information Retrieval · Computer Science 2024-11-05 Xinrui He , Shuo Liu , Jackey Keung , Jingrui He

Recommender systems are essential for personalizing digital experiences on e-commerce sites, streaming services, and social media platforms. While these systems are necessary for modern digital interactions, they face fairness, bias,…

Information Retrieval · Computer Science 2024-09-20 Falguni Roy , Xiaofeng Ding , K. -K. R. Choo , Pan Zhou

Research about recommender systems emerges over the last decade and comprises valuable services to increase different companies' revenue. Several approaches exist in handling paper recommender systems. While most existing recommender…

Information Retrieval · Computer Science 2022-03-28 Zahra Zamanzadeh Darban , Mohammad Hadi Valipour

Pattern recognition and machine learning techniques have been increasingly adopted in adversarial settings such as spam, intrusion and malware detection, although their security against well-crafted attacks that aim to evade detection by…

Machine Learning · Computer Science 2020-05-26 Fei Zhang , Patrick P. K. Chan , Battista Biggio , Daniel S. Yeung , Fabio Roli

Product recommendation systems are important for major movie studios during the movie greenlight process and as part of machine learning personalization pipelines. Collaborative Filtering (CF) models have proved to be effective at powering…

Information Retrieval · Computer Science 2018-03-02 Miguel Campo , JJ Espinoza , Julie Rieger , Abhinav Taliyan

Federated recommender system (FRS), which enables many local devices to train a shared model jointly without transmitting local raw data, has become a prevalent recommendation paradigm with privacy-preserving advantages. However, previous…

Information Retrieval · Computer Science 2022-12-27 Honglei Zhang , Fangyuan Luo , Jun Wu , Xiangnan He , Yidong Li

Detecting beneficial feature interactions is essential in recommender systems, and existing approaches achieve this by examining all the possible feature interactions. However, the cost of examining all the possible higher-order feature…

Information Retrieval · Computer Science 2022-06-29 Yixin Su , Yunxiang Zhao , Sarah Erfani , Junhao Gan , Rui Zhang

Review-Based Recommender Systems (RBRS) have attracted increasing research interest due to their ability to alleviate well-known cold-start problems. RBRS utilizes reviews to construct the user and items representations. However, in this…

Information Retrieval · Computer Science 2023-06-30 Hung-Yun Chiang , Yi-Syuan Chen , Yun-Zhu Song , Hong-Han Shuai , Jason S. Chang

In this study, we present a novel clustering-based collaborative filtering (CF) method for recommender systems. Clustering-based CF methods can effectively deal with data sparsity and scalability problems. However, most of them are applied…

Information Retrieval · Computer Science 2021-11-17 Munlika Rattaphun , Wen-Chieh Fang , Chih-Yi Chiu

Contrastive learning (CL) has recently gained prominence in the domain of recommender systems due to its great ability to enhance recommendation accuracy and improve model robustness. Despite its advantages, this paper identifies a…

Information Retrieval · Computer Science 2024-05-28 Zongwei Wang , Junliang Yu , Min Gao , Hongzhi Yin , Bin Cui , Shazia Sadiq

In the most intrusion detection systems (IDS), a system tries to learn characteristics of different type of attacks by analyzing packets that sent or received in network. These packets have a lot of features. But not all of them is required…

Cryptography and Security · Computer Science 2013-05-13 Shafigh Parsazad , Ehsan Saboori , Amin Allahyar

Every day, a significant number of users visit the internet for different needs. The owners of a website generate profits from the user interaction with the contents or items of the website. A robust recommendation system can increase user…

Information Retrieval · Computer Science 2025-12-18 Abdullah Al Munem , Sumona Yeasmin , Mohammad Rezwanul Huq

The existence of adversarial attacks on convolutional neural networks (CNN) questions the fitness of such models for serious applications. The attacks manipulate an input image such that misclassification is evoked while still looking…

Computer Vision and Pattern Recognition · Computer Science 2022-08-25 Mohammadreza Amirian , Friedhelm Schwenker , Thilo Stadelmann

Recommendation systems have been widely used by commercial service providers for giving suggestions to users. Collaborative filtering (CF) systems, one of the most popular recommendation systems, utilize the history of behaviors of the…

Information Retrieval · Computer Science 2016-11-16 Saber Shokat Fadaee , Mohammad Sajjad Ghaemi , Ravi Sundaram , Hossein Azari Soufiani

With a vast number of items, web-pages, and news to choose from, online services and the customers both benefit tremendously from personalized recommender systems. Such systems however provide great opportunities for targeted…

Information Retrieval · Computer Science 2015-04-16 Subhashini Krishnasamy , Rajat Sen , Sewoong Oh , Sanjay Shakkottai