Checkin data based spatial-temporal trajectory similarity measurement method and system
A technology of similarity measurement and space-time trajectory, which is applied in the direction of electrical digital data processing, special data processing applications, market forecasting, etc., to reduce the complexity of calculation and improve the efficiency of calculation
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[0041] Specific embodiments of the present invention are given below, and the present invention will be described in detail in conjunction with the accompanying drawings.
[0042] The present invention provides a method and system for measuring the similarity of spatio-temporal trajectories based on check-in data. This part provides a detailed description of the algorithm. A pairwise similarity measure between spatio-temporal trajectories of a user.
[0043] Such as figure 2 As shown, the present invention discloses a spatio-temporal trajectory similarity measurement method based on check-in data, including:
[0044] Step 1: Obtain user check-in data, including user ID, check-in location and check-in time, etc.;
[0045] Location-based mobile social networks such as Sina Weibo, Jiepang, Renren, Foursquare, and Gowalla have developed rapidly in recent years. A large number of users record spatio-temporal behavior trajectories by checking in with their smartphones. Therefore,...
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