Privacy-sensitive query for localization area description files

摘要

The computing system includes a data storage unit, a network interface and a query module. The data storage unit stores a plurality of localized area description files. The network interface is for receiving a request for a localized area description file from a mobile device, the request including a set of spatial features and at least one non-image location indicator. The query module includes a query interface for identifying one or more candidate localized region description files based on one of the set of spatial features of the request and at least one location indicator of the request, and at least one location indicator and the request And a selection module for selecting a localized region description file from the candidate localized region description files based on the other one of the set of spatial features of. The query module is for providing the selected localization area description file to the mobile device.