English
Related papers

Related papers: Enhancing the conformal predictability of context-…

200 papers

Sequential recommendation aims to predict the next item a user is likely to prefer based on their sequential interaction history. Recently, text-based sequential recommendation has emerged as a promising paradigm that uses pre-trained…

Information Retrieval · Computer Science 2024-09-05 Hyunsoo Kim , Junyoung Kim , Minjin Choi , Sunkyung Lee , Jongwuk Lee

Recommender systems have become an essential component of many online platforms, providing personalized recommendations to users. A crucial aspect is embedding techniques that convert the high-dimensional discrete features, such as user and…

Information Retrieval · Computer Science 2025-10-23 Maolin Wang , Xinjian Zhao , Wanyu Wang , Sheng Zhang , Jiansheng Li , Bowen Yu , Binhao Wang , Shucheng Zhou , Dawei Yin , Qing Li , Ruocheng Guo , Xiangyu Zhao

Users' reviews contain valuable information which are not taken into account in most recommender systems. According to the latest studies in this field, using review texts could not only improve the performance of recommendation, but it can…

Information Retrieval · Computer Science 2020-03-17 Parisa Abolfath Beygi Dezfouli , Saeedeh Momtazi , Mehdi Dehghan

Click-through rate (CTR) prediction, which aims to predict the probability of a user clicking on an ad or an item, is critical to many online applications such as online advertising and recommender systems. The problem is very challenging…

Information Retrieval · Computer Science 2019-08-27 Weiping Song , Chence Shi , Zhiping Xiao , Zhijian Duan , Yewen Xu , Ming Zhang , Jian Tang

In this paper, we propose a novel ranking framework for collaborative filtering with the overall aim of learning user preferences over items by minimizing a pairwise ranking loss. We show the minimization problem involves dependent random…

The increasing availability and diversity of multimodal data in recommender systems offer new avenues for enhancing recommendation accuracy and user satisfaction. However, these systems must contend with high-dimensional, sparse user-item…

Information Retrieval · Computer Science 2024-12-04 Yasser Khalafaoui , Martino Lovisetto , Basarab Matei , Nistor Grozavu

This study proposes an automated data mining framework based on autoencoders and experimentally verifies its effectiveness in feature extraction and data dimensionality reduction. Through the encoding-decoding structure, the autoencoder can…

Machine Learning · Computer Science 2024-12-04 Yaxin Liang , Xinshi Li , Xin Huang , Ziqi Zhang , Yue Yao

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

Even in times of deep learning, low-rank approximations by factorizing a matrix into user and item latent factors continue to be a method of choice for collaborative filtering tasks due to their great performance. While deep learning based…

Information Retrieval · Computer Science 2019-05-31 Marcel Kurovski , Florian Wilhelm

Learning a good representation of text is key to many recommendation applications. Examples include news recommendation where texts to be recommended are constantly published everyday. However, most existing recommendation techniques, such…

Information Retrieval · Computer Science 2017-06-27 Ting Chen , Liangjie Hong , Yue Shi , Yizhou Sun

Cross-Domain Recommendation (CDR) and Cross-System Recommendations (CSR) are two of the promising solutions to address the long-standing data sparsity problem in recommender systems. They leverage the relatively richer information, e.g.,…

Machine Learning · Computer Science 2020-09-15 Feng Zhu , Yan Wang , Chaochao Chen , Guanfeng Liu , Mehmet Orgun , Jia Wu

A context-aware recommender system (CARS) applies sensing and analysis of user context to provide personalized services. The contextual information can be driven from sensors in order to improve the accuracy of the recommendations. Yet,…

Machine Learning · Computer Science 2022-08-10 Amit Livne , Eliad Shem Tov , Adir Solomon , Achiya Elyasaf , Bracha Shapira , Lior Rokach

Machine learning techniques for Recommendation System (RS) and Classification has become a prime focus of research to tackle the problem of information overload. RS are software tools that aim at making informed decisions about the services…

Information Retrieval · Computer Science 2019-07-30 Vikas Kumar

Sequential recommender systems rank relevant items by modeling a user's interaction history and computing the inner product between the resulting user representation and stored item embeddings. To avoid the significant memory overhead of…

Deep learning models such as convolutional neural networks and recurrent networks are widely applied in text classification. In spite of their great success, most deep learning models neglect the importance of modeling context information,…

Computation and Language · Computer Science 2019-06-05 Liuyu Xiang , Xiaoming Jin , Lan Yi , Guiguang Ding

The joint optimization of the reconstruction and classification error is a hard non convex problem, especially when a non linear mapping is utilized. In order to overcome this obstacle, a novel optimization strategy is proposed, in which a…

Machine Learning · Computer Science 2022-11-07 Ioannis A. Nellas , Sotiris K. Tasoulis , Vassilis P. Plagianakos , Spiros V. Georgakopoulos

Context plays a crucial role in visual recognition as it provides complementary clues for different learning tasks including image classification and annotation. As the performances of these tasks are currently reaching a plateau, any extra…

Computer Vision and Pattern Recognition · Computer Science 2020-01-01 Mingyuan Jiu , Hichem Sahbi

Given a sparse rating matrix and an auxiliary matrix of users or items, how can we accurately predict missing ratings considering different data contexts of entities? Many previous studies proved that utilizing the additional information…

Machine Learning · Computer Science 2019-08-23 Hyunsik Jeon , Bonhun Koo , U Kang

Both reviews and user-item interactions (i.e., rating scores) have been widely adopted for user rating prediction. However, these existing techniques mainly extract the latent representations for users and items in an independent and static…

Information Retrieval · Computer Science 2018-01-01 Libing Wu , Cong Quan , Chenliang Li , Qian Wang , Bolong Zheng

Autoencoders learn data representations (codes) in such a way that the input is reproduced at the output of the network. However, it is not always clear what kind of properties of the input data need to be captured by the codes. Kernel…

Machine Learning · Statistics 2018-07-24 Michael Kampffmeyer , Sigurd Løkse , Filippo M. Bianchi , Robert Jenssen , Lorenzo Livi