Study on Context Validity Check Based on Informational Entropy Theory:Taking Dianping.com Restaurant as an Example

摘要：

　　Considering of the importance of Contextual information in personalized recommendation, this paper aims to build up a set of feasible context importance calculation method which can identify the valid context in different applications scenarios.By introducing the informational entropy theory, we calculate the information entropy of every contextual dimension and measure the validity of the context compared by the magnitude of its entropy.And then take the Dianping.com Restaurant for case to recognize the valid context in Dining scene.Experiments show that location, work-rest, weather, mood and companion have greater influence on the behavior and decision of consumer who in a catering environment, and user preference in those contexts should be fully considered to account.

关键词： personalized recommendation context context Validity informational entropy,restaurant

作者: Yin Cong Tu Meng Zhang Liyi

作者单位: Chongqing Intellectual Property School,Chongqing University of Technology, Chongqing, China School of Information Management,Wuhan University,Wuhan, China

会议类型: 国际会议

会议名称: the 12th International Conference on Management of e-Commerce and e-Government( ICMeCG 2018) (第十二届电子商务与电子政务管理国际会议)

会议地点: 郑州

会议语种:英文

页码: 327-331

在线出版日期: 2018-09-21（万方平台首次上网日期，不代表论文的发表时间）