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Attention-based Adaptive Model to Unify Warm and Cold Starts Recommendation

Published: 17 October 2018 Publication History

Abstract

Nowadays, recommender systems provide essential web services on the Internet. There are mainly two categories of traditional recommendation algorithms: Content-Based (CB) and Collaborative Filtering (CF). CF methods make recommendations mainly according to the historical feedback information. They usually perform better when there is sufficient feedback information but less successful on new users and items, which is called the "cold-start'' problem. However, CB methods help in this scenario because of using content information. To take both advantages of CF and CB, how to combine them is a challenging issue. To the best of our knowledge, little previous work has been done to solve the problem in one unified recommendation model. In this work, we study how to integrate CF and CB, which utilizes both types of information in model-level but not in result-level and makes recommendations adaptively. A novel attention-based model named Attentional Content&Collaborate Model (ACCM) is proposed. Attention mechanism helps adaptively adjust for each user-item pair from which source information the recommendation is made. Especially, a "cold sampling'' learning strategy is designed to handle the cold-start problem. Experimental results on two benchmark datasets show that the ACCM performs better on both warm and cold tests compared to the state-of-the-art algorithms.

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  1. Attention-based Adaptive Model to Unify Warm and Cold Starts Recommendation

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    cover image ACM Conferences
    CIKM '18: Proceedings of the 27th ACM International Conference on Information and Knowledge Management
    October 2018
    2362 pages
    ISBN:9781450360142
    DOI:10.1145/3269206
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    Published: 17 October 2018

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    Author Tags

    1. attention mechanism
    2. cold sampling
    3. cold-start
    4. collaborative filtering
    5. hybrid recommendation
    6. neural recommendation model

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    • Natural Science Foundation of China
    • Tsinghua-Sogou Tiangong Institute for Intelligent Computing

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    • (2025)Dual intent view contrastive learning for knowledge aware recommender systemsScientific Reports10.1038/s41598-025-86416-x15:1Online publication date: 16-Jan-2025
    • (2024)Hierarchical Constrained Variational Autoencoder for interaction-sparse recommendationsInformation Processing & Management10.1016/j.ipm.2024.10364161:3(103641)Online publication date: May-2024
    • (2024)Collaborative Filtering With Representation Learning in the Frequency DomainInformation Sciences10.1016/j.ins.2024.121240(121240)Online publication date: Jul-2024
    • (2024)A systematic literature review of solutions for cold start problemInternational Journal of System Assurance Engineering and Management10.1007/s13198-024-02359-y15:7(2818-2852)Online publication date: 14-May-2024
    • (2023)A Multiscale Neighbor-Aware Attention Network for Collaborative FilteringElectronics10.3390/electronics1220437212:20(4372)Online publication date: 22-Oct-2023
    • (2023)Equivariant Learning for Out-of-Distribution Cold-start RecommendationProceedings of the 31st ACM International Conference on Multimedia10.1145/3581783.3612522(903-914)Online publication date: 27-Oct-2023
    • (2023)Influence-Driven Data Poisoning for Robust Recommender SystemsIEEE Transactions on Pattern Analysis and Machine Intelligence10.1109/TPAMI.2023.3274759(1-17)Online publication date: 2023
    • (2023)AF-GCN: Attribute-Fusing Graph Convolution Network for RecommendationIEEE Transactions on Big Data10.1109/TBDATA.2022.31925989:2(597-607)Online publication date: 1-Apr-2023
    • (2023)A Flexible Two-Tower Model for Item Cold-Start RecommendationIEEE Access10.1109/ACCESS.2023.334691811(146194-146207)Online publication date: 2023
    • (2023)Item Attribute-Aware Contrastive Learning for Sequential RecommendationIEEE Access10.1109/ACCESS.2023.329383911(70795-70804)Online publication date: 2023
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