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This paper utilizes well-designed item-item path modelling between consecutive items with attention mechanisms to sequentially model dynamic user-item evolutions on dynamic knowledge graph for explainable recommendations. Compared with…

Social and Information Networks · Computer Science 2021-01-06 Hongxu Chen , Yicong Li , Xiangguo Sun , Guandong Xu , Hongzhi Yin

Online recommender systems should be always aligned with users' current interest to accurately suggest items that each user would like. Since user interest usually evolves over time, the update strategy should be flexible to quickly catch…

Information Retrieval · Computer Science 2022-03-22 Minseok Kim , Hwanjun Song , Yooju Shin , Dongmin Park , Kijung Shin , Jae-Gil Lee

In the WWW (World Wide Web), dynamic development and spread of data has resulted a tremendous amount of information available on the Internet, yet user is unable to find relevant information in a short span of time. Consequently, a system…

Information Retrieval · Computer Science 2020-09-11 Denis Selimi , Krenare Pireva Nuci

Selection bias is prevalent in the data for training and evaluating recommendation systems with explicit feedback. For example, users tend to rate items they like. However, when rating an item concerning a specific user, most of the…

Information Retrieval · Computer Science 2021-09-14 Weishen Pan , Sen Cui , Hongyi Wen , Kun Chen , Changshui Zhang , Fei Wang

Recommendation systems have become ubiquitous in today's online world and are an integral part of practically every e-commerce platform. While traditional recommender systems use customer history, this approach is not feasible in 'cold…

Machine Learning · Computer Science 2019-05-14 Michael Shekasta , Gilad Katz , Asnat Greenstein-Messica , Lior Rokach , Bracha Shapira

A common challenge in personalized user preference prediction is the cold-start problem. Due to the lack of user-item interactions, directly learning from the new users' log data causes serious over-fitting problem. Recently, many existing…

Information Retrieval · Computer Science 2020-12-23 Runsheng Yu , Yu Gong , Xu He , Bo An , Yu Zhu , Qingwen Liu , Wenwu Ou

With the rapid development of the internet and the explosion of information, providing users with accurate personalized recommendations has become an important research topic. This paper designs and analyzes a personalized recommendation…

Information Retrieval · Computer Science 2024-10-15 Chunyan Mao , Shuaishuai Huang , Mingxiu Sui , Haowei Yang , Xueshe Wang

Cold-start item recommendation is a long-standing challenge in recommendation systems. A common remedy is to use a content-based approach, but rich information from raw contents in various forms has not been fully utilized. In this paper,…

Information Retrieval · Computer Science 2024-04-23 Jooeun Kim , Jinri Kim , Kwangeun Yeo , Eungi Kim , Kyoung-Woon On , Jonghwan Mun , Joonseok Lee

Optimizing user engagement is a key goal for modern recommendation systems, but blindly pushing users towards increased consumption risks burn-out, churn, or even addictive habits. To promote digital well-being, most platforms now offer a…

Machine Learning · Computer Science 2023-06-08 Eden Saig , Nir Rosenfeld

Sequential recommender models are essential components of modern industrial recommender systems. These models learn to predict the next items a user is likely to interact with based on his/her interaction history on the platform. Most…

Information Retrieval · Computer Science 2023-03-28 Bo Chang , Alexandros Karatzoglou , Yuyan Wang , Can Xu , Ed H. Chi , Minmin Chen

Recommendation system plays an important role in online web applications. Sequential recommender further models user short-term preference through exploiting information from latest user-item interaction history. Most of the sequential…

Information Retrieval · Computer Science 2020-09-14 Ye Tao , Can Wang , Lina Yao , Weimin Li , Yonghong Yu

Recent advances in employing neural networks on graph domains helped push the state of the art in link prediction tasks, particularly in recommendation services. However, the use of temporal contextual information, often modeled as dynamic…

Information Retrieval · Computer Science 2018-11-20 Samuel G. Fadel , Ricardo da S. Torres

Recommendations can greatly benefit from good representations of the user state at recommendation time. Recent approaches that leverage Recurrent Neural Networks (RNNs) for session-based recommendations have shown that Deep Learning models…

Information Retrieval · Computer Science 2017-06-26 Elena Smirnova , Flavian Vasile

In practical scenarios, the effectiveness of sequential recommendation systems is hindered by the user cold-start problem, which arises due to limited interactions for accurately determining user preferences. Previous studies have attempted…

Information Retrieval · Computer Science 2023-07-27 Mohammmadmahdi Maheri , Reza Abdollahzadeh , Bardia Mohammadi , Mina Rafiei , Jafar Habibi , Hamid R. Rabiee

User and item reviews are valuable for the construction of recommender systems. In general, existing review-based methods for recommendation can be broadly categorized into two groups: the siamese models that build static user and item…

Information Retrieval · Computer Science 2021-08-03 Hansi Zeng , Zhichao Xu , Qingyao Ai

Online communities such as Facebook and Twitter are enormously popular and have become an essential part of the daily life of many of their users. Through these platforms, users can discover and create information that others will then…

Information Retrieval · Computer Science 2019-04-17 Weiping Song , Zhiping Xiao , Yifan Wang , Laurent Charlin , Ming Zhang , Jian Tang

One key property in recommender systems is the long-tail distribution in user-item interactions where most items only have few user feedback. Improving the recommendation of tail items can promote novelty and bring positive effects to both…

Information Retrieval · Computer Science 2022-10-11 Tieyun Qian , Yile Liang , Qing Li , Xuan Ma , Ke Sun , Zhiyong Peng

Classical recommender systems often assume that historical data are stationary and fail to account for the dynamic nature of user preferences, limiting their ability to provide reliable recommendations in time-sensitive settings. This…

Information Retrieval · Computer Science 2023-08-03 Ashraf Ghiye , Baptiste Barreau , Laurent Carlier , Michalis Vazirgiannis

Session based recommendation provides an attractive alternative to the traditional feature engineering approach to recommendation. Feature engineering approaches require hand tuned features of the users history to be created to produce a…

Information Retrieval · Computer Science 2019-09-18 David Rohde , Stephen Bonner

Embedding & MLP has become a paradigm for modern large-scale recommendation system. However, this paradigm suffers from the cold-start problem which will seriously compromise the ecological health of recommendation systems. This paper…

Information Retrieval · Computer Science 2022-05-30 Xu Zhao , Yi Ren , Ying Du , Shenzheng Zhang , Nian Wang