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作者:

Chen, Yuxi (Chen, Yuxi.) | Zhang, Xiaotong (Zhang, Xiaotong.) | Zhao, Qing (Zhao, Qing.) | Akhtar, Faheem (Akhtar, Faheem.) | Yang, Ting (Yang, Ting.) | Huang, Ke (Huang, Ke.) | Li, Jun (Li, Jun.) | Wang, Qing (Wang, Qing.)

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EI

摘要:

Arguably the rapid development of Internet financial is one of the most significant breakthroughs in the financial domain. Automated financial statistics have gradually substituted the traditional manual statistical methods, providing a reliable data basis for economic planning. Therefore, the quality of a business activity heavily relies on the accuracy analysis of user preferences and recommend rated products to the users. Traditional item-based collaborative filtering method plays a dominant role for analyzing user preference and recommending the items for users, this method mainly utilize the fully rating data to predict whether the user like the target item. However, in many cases, the available user rating data is sparsely, which makes traditional item-based collaborative filtering method inefficient and inapplicable. To address this problem, this paper propose an ontology-based user preference statistical model (ontology-based UPS), where the concept and attribute features are extracted from financial ontology for semantic similarity computing; later, it is combined with the calculated rating similarities to improve the accuracy of the similar item set for the target item. The research results show that our approach outperformed traditional collaborative filtering method. © 2020, Springer Nature Singapore Pte Ltd.

关键词:

Collaborative filtering Computation theory Finance Ontology Semantics Statistics

作者机构:

  • [ 1 ] [Chen, Yuxi]Central University of Finance and Economics, Beijing; 100081, China
  • [ 2 ] [Zhang, Xiaotong]Binghamton University-SUNY, New York; 13902, United States
  • [ 3 ] [Zhao, Qing]Faculty of Information Technology, Beijing University of Technology, Beijing; 100124, China
  • [ 4 ] [Akhtar, Faheem]Faculty of Information Technology, Beijing University of Technology, Beijing; 100124, China
  • [ 5 ] [Akhtar, Faheem]Department of Computer Science, Sukkur IBA University, Sukkur; 65200, Pakistan
  • [ 6 ] [Yang, Ting]Department of Pulmonary and Critical Care Medicine, China-Japan Friendship Hospital, Beijing, China
  • [ 7 ] [Yang, Ting]National Clinical Research Center for Respiratory Diseases, Guangzhou, China
  • [ 8 ] [Yang, Ting]Institute of Respiratory Medicine, Chinese Academy of Medical Science, Beijing, China
  • [ 9 ] [Huang, Ke]Department of Pulmonary and Critical Care Medicine, China-Japan Friendship Hospital, Beijing, China
  • [ 10 ] [Huang, Ke]National Clinical Research Center for Respiratory Diseases, Guangzhou, China
  • [ 11 ] [Huang, Ke]Institute of Respiratory Medicine, Chinese Academy of Medical Science, Beijing, China
  • [ 12 ] [Li, Jun]Department of Pulmonary and Critical Care Medicine, China-Japan Friendship Hospital, Beijing, China
  • [ 13 ] [Li, Jun]National Clinical Research Center for Respiratory Diseases, Guangzhou, China
  • [ 14 ] [Li, Jun]Institute of Respiratory Medicine, Chinese Academy of Medical Science, Beijing, China
  • [ 15 ] [Wang, Qing]Tsinghua University, Beijing; 100084, China

通讯作者信息:

  • [zhao, qing]faculty of information technology, beijing university of technology, beijing; 100124, china

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ISSN: 1876-1100

年份: 2020

卷: 551 LNEE

页码: 352-361

语种: 英文

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