A non-transitory computer-readable medium stores program code including instructions that, when executed by one or more processors, cause the one or processors to perform operations including storing and managing social network data in a social network database; receiving location information from a plurality of electronic devices associated with the social network data; specifying users of electronic devices present in a specific space at a specific time among the plurality of electronic devices; filtering relation information between the specified users in the social network database; and calculating an analysis index for the specific space and the specific time based on the filtered relation information.