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Recommender systems, inferring users' preferences from their historical activities and personal profiles, have been an enormous success in the last several years. Most of the existing works are based on the similarities of users, objects or…

Social and Information Networks · Computer Science 2017-11-29 Xiaofang Deng , Leilei Wu , Xiaolong Ren , Chunxiao Jia , Yuansheng Zhong , Linyuan Lü

To foster an active and engaged community, social networks employ recommendation algorithms that filter large amounts of contents and provide a user with personalized views of the network. Popular social networks such as Facebook and…

Information Retrieval · Computer Science 2018-11-26 Jan Trienes , Andrés Torres Cano , Djoerd Hiemstra

This paper is concerned with how to make efficient use of social information to improve recommendations. Most existing social recommender systems assume people share similar preferences with their social friends. Which, however, may not…

Information Retrieval · Computer Science 2017-12-01 Menghan Wang , Xiaolin Zheng , Yang Yang , Kun Zhang

Social support in online mental health communities (OMHCs) is an effective and accessible way of managing mental wellbeing. In this process, sharing emotional supports is considered crucial to the thriving social supports in OMHCs, yet…

Human-Computer Interaction · Computer Science 2022-02-22 Donghoon Shin , Subeen Park , Esther Hehsun Kim , Soomin Kim , Jinwook Seo , Hwajung Hong

Emerging short-video platforms like TikTok, Instagram Reels, and ShareChat present unique challenges for recommender systems, primarily originating from a continuous stream of new content. ShareChat alone receives approximately 2 million…

Information Retrieval · Computer Science 2024-05-29 Srijan Saket , Olivier Jeunen , Md. Danish Kalim

Textual data from social platforms captures various aspects of mental health through discussions around and across issues, while users reach out for help and others sympathize and offer support. We propose a comprehensive framework that…

Social and Information Networks · Computer Science 2025-03-04 Vaishali Aggarwal , Sachin Thukral , Krushil Patel , Arnab Chatterjee

To alleviate the problem of information explosion, recommender systems are widely deployed to provide personalized information filtering services. Usually, embedding tables are employed in recommender systems to transform high-dimensional…

Information Retrieval · Computer Science 2024-08-07 Shiwei Li , Huifeng Guo , Xing Tang , Ruiming Tang , Lu Hou , Ruixuan Li , Rui Zhang

Recommender Systems are tools that improve how users find relevant information in web systems, so they do not face too much information. In order to generate better recommendations, the context of information should be used in the…

Information Retrieval · Computer Science 2020-07-10 Igor André Pegoraro Santana , Marcos Aurelio Domingues

Modern society devotes a significant amount of time to digital interaction. Many of our daily actions are carried out through digital means. This has led to the emergence of numerous Artificial Intelligence tools that assist us in various…

Information Retrieval · Computer Science 2023-10-12 Jorge Dueñas-Lerín , Raúl Lara-Cabrera , Fernando Ortega , Jesús Bobadilla

Recommender systems assist users in navigating complex information spaces and focus their attention on the content most relevant to their needs. Often these systems rely on user activity or descriptions of the content. Social annotation…

Information Retrieval · Computer Science 2016-08-24 Greg Zanotti , Miller Horvath , Lucas Nunes Barbosa , Venkata Trinadh Kumar Gupta Immedisetty , Jonathan Gemmell

In micro-blogging platforms, people connect and interact with others. However, due to cognitive biases, they tend to interact with like-minded people and read agreeable information only. Many efforts to make people connect with those who…

Human-Computer Interaction · Computer Science 2016-01-05 Eduardo Graells-Garrido , Mounia Lalmas , Ricardo Baeza-Yates

Recently deep learning based recommendation systems have been actively explored to solve the cold-start problem using a hybrid approach. However, the majority of previous studies proposed a hybrid model where collaborative filtering and…

Information Retrieval · Computer Science 2018-07-19 Jongpil Lee , Kyungyun Lee , Jiyoung Park , Jangyeon Park , Juhan Nam

Mental health poses a significant challenge for an individual's well-being. Text analysis of rich resources, like social media, can contribute to deeper understanding of illnesses and provide means for their early detection. We tackle a…

Computation and Language · Computer Science 2020-03-18 Ivan Sekulić , Michael Strube

Embedding models, which learn latent representations of users and items based on user-item interaction patterns, are a key component of recommendation systems. In many applications, contextual constraints need to be applied to refine…

Information Retrieval · Computer Science 2019-07-04 Syrine Krichene , Mike Gartrell , Clement Calauzenes

With the explosive growth of Internet data, users are facing the problem of information overload, which makes it a challenge to efficiently obtain the required resources. Recommendation systems have emerged in this context. By filtering…

Information Retrieval · Computer Science 2024-10-22 Wenyi Liu , Rui Wang , Yuanshuai Luo , Jianjun Wei , Zihao Zhao , Junming Huang

The pervasive use of social media provides massive data about individuals' online social activities and their social relations. The building block of most existing recommendation systems is the similarity between users with social…

Social and Information Networks · Computer Science 2018-03-19 Ghazaleh Beigi , Huan Liu

In contrast to many other domains, recommender systems in health services may benefit particularly from the incorporation of health domain knowledge, as it helps to provide meaningful and personalised recommendations catering to the…

Information Retrieval · Computer Science 2021-06-16 Joel Peito , Qiwei Han

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

Recommender systems attempt to reduce information overload and retain customers by selecting a subset of items from a universal set based on user preferences. While research in recommender systems grew out of information retrieval and…

Information Retrieval · Computer Science 2007-05-23 Saverio Perugini , Marcos Andre Goncalves , Edward A. Fox

With the rapid development of social media, the importance of analyzing social network user data has also been put on the agenda. User representation learning in social media is a critical area of research, based on which we can conduct…

Social and Information Networks · Computer Science 2024-09-06 Zhicheng Ren , Zhiping Xiao , Yizhou Sun