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Browsing Departments Science and Engineering by Author "Zhang, Haiyang"

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Browsing Departments Science and Engineering by Author "Zhang, Haiyang"

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  • Jing, Enbiao; Zhang, Haiyang; Li, ZhiGang; Liu, Yazhi; Ji, Zhanlin; Ganchev, Ivan (Hindawi, 2021)
    Based on a convolutional neural network (CNN) approach, this article proposes an improved ResNet-18 model for heartbeat classification of electrocardiogram (ECG) signals through appropriate model training and parameter ...
  • Zhang, Haiyang; Ganchev, Ivan; Nikolov, Nikola S.; Ji, Zhanlin; Ó'Droma, Máirtín (IEEE Computer Society, 2021)
    Matrix Factorization (MF) is one of the most successful Collaborative Filtering (CF) techniques used in recommender systems due to its effectiveness and ability to deal with very large user-item rating matrix. However, ...
  • Zhang, Haiyang; Ganchev, Ivan; Nikolov, Nikola S.; Ji, Zhanlin; Ó'Droma, Máirtín (Hindawi Publishing Corporation: Wiley Hindawi Partnership, 2017)
    With the development of ubiquitous computing, recommendation systems have become essential tools in assisting users in discovering services they would find interesting. This process is highly dynamic with an increasing ...
  • Zhou, Diao; Hao, Shengnan; Zhang, Haiyang; Dai, Chenxu; An, Yongli; Ji, Zhanlin; Ganchev, Ivan (IEEE Computer Society, 2021)
    The accuracy of behavioral interactive features is a key factor for improving the performance of rating prediction. In order to deeply explore the potential rules of user behavior and enhance the accurate representation ...
  • Zhang, Haiyang; Ganchev, Ivan; Nikolov, Nikola S.; Ó'Droma, Máirtín (IEEE Computer Society, 2019)
    Recommendation systems employed on the Internet aim to serve users by recommending items which will likely be of interest to them. The recommendation problem could be cast as either a rating estimation problem which ...

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