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This paper explores meta-learning in sequential recommendation to alleviate the item cold-start problem. Sequential recommendation aims to capture user's dynamic preferences based on historical behavior sequences and acts as a key component…

Information Retrieval · Computer Science 2020-12-11 Yujia Zheng , Siyi Liu , Zekun Li , Shu Wu

Item cold-start is a pervasive challenge for collaborative filtering (CF) recommender systems. Existing methods often train cold-start models by mapping auxiliary item content, such as images or text descriptions, into the embedding space…

Information Retrieval · Computer Science 2026-04-15 Gregor Meehan , Johan Pauwels

Peer production platforms like Wikipedia commonly suffer from content gaps. Prior research suggests recommender systems can help solve this problem, by guiding editors towards underrepresented topics. However, it remains unclear whether…

Computers and Society · Computer Science 2024-04-11 Mo Houtti , Isaac Johnson , Morten Warncke-Wang , Loren Terveen

For tackling the well known cold-start user problem in model-based recommender systems, one approach is to recommend a few items to a cold-start user and use the feedback to learn a profile. The learned profile can then be used to make good…

Information Retrieval · Computer Science 2017-03-02 Sampoorna Biswas , Laks V. S. Lakshmanan , Senjuti Basu Ray

Online updating of time series forecasting models aims to address the concept drifting problem by efficiently updating forecasting models based on streaming data. Many algorithms are designed for online time series forecasting, with some…

Machine Learning · Computer Science 2023-09-25 Yi-Fan Zhang , Qingsong Wen , Xue Wang , Weiqi Chen , Liang Sun , Zhang Zhang , Liang Wang , Rong Jin , Tieniu Tan

Recommendation for new users, also called user cold start, has been a well-recognized challenge for online recommender systems. Most existing methods view the crux as the lack of initial data. However, in this paper, we argue that there are…

Information Retrieval · Computer Science 2021-08-25 Shangfeng Dai , Haobin Lin , Zhichen Zhao , Jianying Lin , Honghuan Wu , Zhe Wang , Sen Yang , Ji Liu

Item recommendation task predicts a personalized ranking over a set of items for each individual user. One paradigm is the rating-based methods that concentrate on explicit feedbacks and hence face the difficulties in collecting them.…

Information Retrieval · Computer Science 2021-01-15 Guang-Neng Hu , Xin-Yu Dai

In this paper we propose to solve an important problem in recommendation -- user cold start, based on meta leaning method. Previous meta learning approaches finetune all parameters for each new user, which is both computing and storage…

Information Retrieval · Computer Science 2019-12-10 Liang Zhao , Yang Wang , Daxiang Dong , Hao Tian

Nowadays, it's a very significant way for researchers and other individuals to achieve their interests because it provides short solutions to satisfy their demands. Because there are so many pieces of information on the internet, news…

Information Retrieval · Computer Science 2022-09-14 Niran A. Abdulhussein , Ahmed J Obaid

Federated recommendation system usually trains a global model on the server without direct access to users' private data on their own devices. However, this separation of the recommendation model and users' private data poses a challenge in…

Information Retrieval · Computer Science 2024-02-27 Chunxu Zhang , Guodong Long , Tianyi Zhou , Zijian Zhang , Peng Yan , Bo Yang

Most real-world graphs are dynamic in nature, with continuous and rapid updates to the graph topology, and vertex and edge properties. Such frequent updates pose significant challenges for inferencing over Graph Neural Networks (GNNs).…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-12-09 Pranjal Naman , Yogesh Simmhan

LinkedIn, one of the world's largest platforms for professional networking and job seeking, encounters various modeling challenges in building recommendation systems for its job matching product, including cold-start, filter bubbles, and…

Most of the existing recommender systems are based only on the rating data, and they ignore other sources of information that might increase the quality of recommendations, such as textual reviews, or user and item characteristics.…

Information Retrieval · Computer Science 2021-11-17 Tatev Karen Aslanyan , Flavius Frasincar

Recommendation system is important to a content sharing/creating social network. Collaborative filtering is a widely-adopted technology in conventional recommenders, which is based on similarity between positively engaged content items…

Information Retrieval · Computer Science 2019-09-05 Yifang Liu , Zhentao Xu , Cong Hui , Yi Xuan , Jessie Chen , Yuanming Shan

Recommender Systems are inevitable to personalize user's experiences on the Internet. They are using different approaches to recommend the Top-K items to users according to their preferences. Nowadays recommender systems have become one of…

Information Retrieval · Computer Science 2021-05-26 Mostafa Khalaji , Chitra Dadkhah , Joobin Gharibshah

Recently, embedding techniques have achieved impressive success in recommender systems. However, the embedding techniques are data demanding and suffer from the cold-start problem. Especially, for the cold-start item which only has limited…

Information Retrieval · Computer Science 2021-05-12 Yongchun Zhu , Ruobing Xie , Fuzhen Zhuang , Kaikai Ge , Ying Sun , Xu Zhang , Leyu Lin , Juan Cao

Nowadays, more and more news readers tend to read news online where they have access to millions of news articles from multiple sources. In order to help users to find the right and relevant content, news recommender systems (NRS) are…

Information Retrieval · Computer Science 2021-07-12 Shaina Raza , Chen Ding

Cold-start rating prediction is a fundamental problem in recommender systems that has been extensively studied. Many methods have been proposed that exploit explicit relations among existing data, such as collaborative filtering, social…

Information Retrieval · Computer Science 2024-12-09 Shuheng Fang , Kangfei Zhao , Yu Rong , Zhixun Li , Jeffrey Xu Yu

Online video services acquire new content on a daily basis to increase engagement, and improve the user experience. Traditional recommender systems solely rely on watch history, delaying the recommendation of newly added titles to the right…

Information Retrieval · Computer Science 2022-04-05 Jianling Wang , Ainur Yessenalina , Alireza Roshan-Ghias

Recommendation in Personalised Peer Learning Environments (RiPPLE) is an adaptive, crowdsourced, web-based, student-facing, open-source platform that employs exemplary techniques from the fields of machine learning, crowdsourcing, learning…

Computers and Society · Computer Science 2018-01-15 Hassan Khosravi