Multimedia enhanced spatio-temporal queries
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Spatio-temporal Multimedia Query Language

Spatio-temporal Multimedia Query Language is an open source software program that adds support for multimedia in geographic objects to the PostgreSQL object-relational database. STMQL follows the Simple Features for SQL specification from the Open Geospatial Consortium (OGC). We have used STMQL to enhance existing spatio-temporal queries such as range query, Knn query, event-detection query, etc. We already published some of the paper and product using STMQL. For more information, please visit http://advacedmedialab.com