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Item-based collaborative filtering (ICF) has been widely used in industrial applications such as recommender system and online advertising. It models users' preference on target items by the items they have interacted with. Recent models…

Information Retrieval · Computer Science 2021-04-27 Yinjiang Cai , Zeyu Cui , Shu Wu , Zhen Lei , Xibo Ma

As an important modeling paradigm in click-through rate (CTR) prediction, the Deep & Cross Network (DCN) and its derivative models have gained widespread recognition primarily due to their success in a trade-off between computational cost…

Information Retrieval · Computer Science 2025-12-23 Honghao Li , Yiwen Zhang , Yi Zhang , Hanwei Li , Lei Sang , Jieming Zhu

Collaborative Filtering (CF) is one of the most commonly used recommendation methods. CF consists in predicting whether, or how much, a user will like (or dislike) an item by leveraging the knowledge of the user's preferences as well as…

Information Retrieval · Computer Science 2018-07-17 Mohamed Reda Bouadjenek , Esther Pacitti , Maximilien Servajean , Florent Masseglia , Amr El Abbadi

Effective recommender systems play a crucial role in accurately capturing user and item attributes that mirror individual preferences. Some existing recommendation techniques have started to shift their focus towards modeling various types…

Information Retrieval · Computer Science 2025-06-26 Xiang Li , Chaofan Fu , Zhongying Zhao , Guanjie Zheng , Chao Huang , Yanwei Yu , Junyu Dong

Feature engineering has been the key to the success of many prediction models. However, the process is non-trivial and often requires manual feature engineering or exhaustive searching. DNNs are able to automatically learn feature…

Machine Learning · Computer Science 2017-08-18 Ruoxi Wang , Bin Fu , Gang Fu , Mingliang Wang

Collaborative Filtering aims at exploiting the feedback of users to provide personalised recommendations. Such algorithms look for latent variables in a large sparse matrix of ratings. They can be enhanced by adding side information to…

Information Retrieval · Computer Science 2016-07-20 Florian Strub , Jeremie Mary , Romaric Gaudel

High-resolution medical images can provide more detailed information for better diagnosis. Conventional medical image super-resolution relies on a single task which first performs the extraction of the features and then upscaling based on…

Image and Video Processing · Electrical Eng. & Systems 2025-04-25 Xiaoyan Kui , Zexin Ji , Beiji Zou , Yang Li , Yulan Dai , Liming Chen , Pierre Vera , Su Ruan

We consider the problem of selective prediction (also known as reject option) in deep neural networks, and introduce SelectiveNet, a deep neural architecture with an integrated reject option. Existing rejection mechanisms are based mostly…

Machine Learning · Computer Science 2019-06-28 Yonatan Geifman , Ran El-Yaniv

Collaborative recommendation fundamentally involves learning high-quality user and item representations from interaction data. Recently, graph convolution networks (GCNs) have advanced the field by utilizing high-order connectivity patterns…

Information Retrieval · Computer Science 2024-12-30 Jiajia Chen , Jiancan Wu , Jiawei Chen , Chongming Gao , Yong Li , Xiang Wang

Many semantic video analysis tasks can benefit from multiple, heterogenous signals. For example, in addition to the original RGB input sequences, sequences of optical flow are usually used to boost the performance of human action…

Computer Vision and Pattern Recognition · Computer Science 2019-03-27 Lin Sun , Kui Jia , Yuejia Shen , Silvio Savarese , Dit Yan Yeung , Bertram E. Shi

Intelligent recommendation technology has been playing an increasingly important role in various industry applications such as e-commerce product promotion and Internet advertisement display. Besides users' feedbacks (e.g., numerical…

Information Retrieval · Computer Science 2014-07-11 Weike Pan

CTR prediction, which aims to estimate the probability that a user will click an item, plays a crucial role in online advertising and recommender system. Feature interaction modeling based and user interest mining based methods are the two…

Information Retrieval · Computer Science 2021-06-09 Wei Guo , Rong Su , Renhao Tan , Huifeng Guo , Yingxue Zhang , Zhirong Liu , Ruiming Tang , Xiuqiang He

Existing Collaborative Filtering (CF) methods are mostly designed based on the idea of matching, i.e., by learning user and item embeddings from data using shallow or deep models, they try to capture the associative relevance patterns in…

Information Retrieval · Computer Science 2021-05-04 Hanxiong Chen , Shaoyun Shi , Yunqi Li , Yongfeng Zhang

Recommender systems often struggle with data sparsity and cold-start scenarios, limiting their ability to provide accurate suggestions for new or infrequent users. This paper presents a Graph Attention Network (GAT) based Collaborative…

Information Retrieval · Computer Science 2025-10-31 Danial Ebrat , Sepideh Ahmadian , Luis Rueda

Collaborative Filtering (CF) is one of the most successful approaches for recommender systems. With the emergence of online social networks, social recommendation has become a popular research direction. Most of these social recommendation…

Information Retrieval · Computer Science 2019-07-12 Le Wu , Peijie Sun , Richang Hong , Yanjie Fu , Xiting Wang , Meng Wang

Recent saliency models extensively explore to incorporate multi-scale contextual information from Convolutional Neural Networks (CNNs). Besides direct fusion strategies, many approaches introduce message-passing to enhance CNN features or…

Computer Vision and Pattern Recognition · Computer Science 2019-09-11 Yingyue Xu , Dan Xu , Xiaopeng Hong , Wanli Ouyang , Rongrong Ji , Min Xu , Guoying Zhao

The application of machine learning techniques to large-scale personalized recommendation problems is a challenging task. Such systems must make sense of enormous amounts of implicit feedback in order to understand user preferences across…

Information Retrieval · Computer Science 2019-01-15 Thom Lake , Sinead A. Williamson , Alexander T. Hawk , Christopher C. Johnson , Benjamin P. Wing

Modern recommender systems powered by Graph Neural Networks (GNNs) excel at modeling complex user-item interactions, yet increasingly face scenarios requiring selective forgetting of training data. Beyond user requests to remove specific…

Information Retrieval · Computer Science 2025-05-30 Guoxuan Chen , Lianghao Xia , Chao Huang

Social recommendation task aims to predict users' preferences over items with the incorporation of social connections among users, so as to alleviate the sparse issue of collaborative filtering. While many recent efforts show the…

Information Retrieval · Computer Science 2021-10-11 Chao Huang , Huance Xu , Yong Xu , Peng Dai , Lianghao Xia , Mengyin Lu , Liefeng Bo , Hao Xing , Xiaoping Lai , Yanfang Ye

Conversational recommender systems (CRS) that are able to interact with users in natural language often utilize recommendation dialogs which were previously collected with the help of paired humans, where one plays the role of a seeker and…

Computation and Language · Computer Science 2022-09-08 Ahtsham Manzoor , Dietmar Jannach