Method for social network association excavation based on multi-scale geographic information
A geographic information and social network technology, applied in the field of social network association mining based on multi-scale geographic information, can solve the problems of small sample ratio, inferring social network association between two people, and weak prediction model robustness. Robustness and generalization performance, effect of stable prediction effect
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[0026] In order to make the above objects, features and advantages of the present invention more obvious and understandable, the present invention will be further described below through specific embodiments and accompanying drawings.
[0027] The present invention consists of five modules (steps) including data preprocessing, location ID definition, location weight calculation, feature extraction, and prediction model training. After the processing of the five modules, the user's check-in information can be used to complete the user's social network association mining . The functions and principles of the five modules are introduced below.
[0028] Module 1 Data Preprocessing
[0029] The user check-in data obtained on the LBSN website is often unstructured data, which is difficult to analyze, so these data are first processed into structured data. After processing, basic information such as the user's check-in time, check-in location (GPS format), and check-in times are st...
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