【實用教育app】SmartTrace|最夯免費app

SmartTrace+ is a prototype crowdsourced trajectory similarity search framework, which enables the execution of queries in the form: "Report the users that move more similar to Q, where Q is some query trace". The notion of similarity captures the trajectories that differ only slightly, in the whole sequence, from the query Q. SmartTrace+ enables the execution of such queries in both outdoor environments (using GPS) and indoor environments (using WiFi RSS), without disclosing the traces of participating users to the querying node.

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