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Word embedding has become ubiquitous and is widely used in various natural language processing (NLP) tasks, such as web retrieval, web semantic analysis, and machine translation, and so on. Unfortunately, training the word embedding in a…

Computation and Language · Computer Science 2023-12-29 Wenting Li , Jiahong Xue , Xi Zhang , Huacan Chen , Zeyu Chen , Feijuan Huang , Yuanzhe Cai

Personalized recommendation is ubiquitous, playing an important role in many online services. Substantial research has been dedicated to learning vector representations of users and items with the goal of predicting a user's preference for…

Information Retrieval · Computer Science 2020-01-03 Jianing Sun , Yingxue Zhang , Chen Ma , Mark Coates , Huifeng Guo , Ruiming Tang , Xiuqiang He

Graph Convolutional Networks (GCN) have been recently employed as core component in the construction of recommender system algorithms, interpreting user-item interactions as the edges of a bipartite graph. However, in the absence of side…

Information Retrieval · Computer Science 2023-03-29 Edoardo D'Amico , Khalil Muhammad , Elias Tragos , Barry Smyth , Neil Hurley , Aonghus Lawlor

Many Collaborative Filtering (CF) algorithms are item-based in the sense that they analyze item-item relations in order to produce item similarities. Recently, several works in the field of Natural Language Processing (NLP) suggested to…

Machine Learning · Computer Science 2017-02-22 Oren Barkan , Noam Koenigstein

Over the past decade, recommender systems have experienced a surge in popularity. Despite notable progress, they grapple with challenging issues, such as high data dimensionality and sparseness. Representing users and items as…

Information Retrieval · Computer Science 2025-07-28 Pedro R. Pires , Tiago A. Almeida

Similar product recommendation is one of the most common scenes in e-commerce. Many recommendation algorithms such as item-to-item Collaborative Filtering are working on measuring item similarities. In this paper, we introduce our real-time…

Information Retrieval · Computer Science 2020-04-14 Zhi Liu , Yan Huang , Jing Gao , Li Chen , Dong Li

In the current deep learning based recommendation system, the embedding method is generally employed to complete the conversion from the high-dimensional sparse feature vector to the low-dimensional dense feature vector. However, as the…

Information Retrieval · Computer Science 2021-08-10 Huimin Zhou , Qing Li , Yong Jiang , Rongwei Yang , Zhuyun Qi

Learning vector representations (aka. embeddings) of users and items lies at the core of modern recommender systems. Ranging from early matrix factorization to recently emerged deep learning based methods, existing efforts typically obtain…

Information Retrieval · Computer Science 2020-07-06 Xiang Wang , Xiangnan He , Meng Wang , Fuli Feng , Tat-Seng Chua

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

Recommender systems are ubiquitous in the domain of e-commerce, used to improve the user experience and to market inventory, thereby increasing revenue for the site. Techniques such as item-based collaborative filtering are used to model…

Information Retrieval · Computer Science 2018-12-31 Daniel A. Galron , Yuri M. Brovman , Jin Chung , Michal Wieja , Paul Wang

The trend of data mining using deep learning models on graph neural networks has proven effective in identifying object features through signal encoders and decoders, particularly in recommendation systems utilizing collaborative filtering…

Information Retrieval · Computer Science 2025-03-27 Manh Mai Van , Tin T. Tran

Dynamic recommendation is essential for modern recommender systems to provide real-time predictions based on sequential data. In real-world scenarios, the popularity of items and interests of users change over time. Based on this…

Information Retrieval · Computer Science 2021-01-11 Xiaohan Li , Mengqi Zhang , Shu Wu , Zheng Liu , Liang Wang , Philip S. Yu

Information technology has spread widely, and extraordinarily large amounts of data have been made accessible to users, which has made it challenging to select data that are in accordance with user needs. For the resolution of the above…

Information Retrieval · Computer Science 2020-08-05 Saman Forouzandeh , Mehrdad Rostami , Kamal Berahmand

Item-based models are among the most popular collaborative filtering approaches for building recommender systems. Random walks can provide a powerful tool for harvesting the rich network of interactions captured within these models. They…

Information Retrieval · Computer Science 2020-10-07 Athanasios N. Nikolakopoulos , George Karypis

Effective user modeling requires distinguishing between short-term and long-term preference evolution. While item embeddings have become a key component of recommender systems, standard approaches like Item2Vec treat user histories as…

Information Retrieval · Computer Science 2026-04-20 Rafael T. Sereicikas , Pedro R. Pires , Gregorio F. Azevedo , Tiago A. Almeida

Item-based Collaborative Filtering(short for ICF) has been widely adopted in recommender systems in industry, owing to its strength in user interest modeling and ease in online personalization. By constructing a user's profile with the…

Information Retrieval · Computer Science 2018-11-13 Feng Xue , Xiangnan He , Xiang Wang , Jiandong Xu , Kai Liu , Richang Hong

Sequential fashion recommendation is of great significance in online fashion shopping, which accounts for an increasing portion of either fashion retailing or online e-commerce. The key to building an effective sequential fashion…

Information Retrieval · Computer Science 2021-06-01 Yujuan Ding , Yunshan Ma , Wai Keung Wong , Tat-Seng Chua

There are unique challenges to developing item recommender systems for e-commerce platforms like eBay due to sparse data and diverse user interests. While rich user-item interactions are important, eBay's data sparsity exceeds other…

Information Retrieval · Computer Science 2024-10-16 Yi Sun , Yuri M. Brovman

Algorithm selection using Metalearning aims to find mappings between problem characteristics (i.e. metafeatures) with relative algorithm performance to predict the best algorithm(s) for new datasets. Therefore, it is of the utmost…

Information Retrieval · Computer Science 2018-09-18 Tiago Cunha , Carlos Soares , André C. P. L. F. de Carvalho

We consider the problem of learning latent features (aka embedding) for users and items in a recommendation setting. Given only a user-item interaction graph, the goal is to recommend items for each user. Traditional approaches employ…

Information Retrieval · Computer Science 2021-02-17 Rahul Ragesh , Sundararajan Sellamanickam , Vijay Lingam , Arun Iyer , Ramakrishna Bairi
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