Mehmet Emin Dönderler Özgür Ulusoy Ugur Güdükbay Rule-based spatiotemporal query processing for video databases. 86-103 2004 13 VLDB J. 1 http://dx.doi.org/10.1007/s00778-003-0114-0 db/journals/vldb/vldb13.html#DonderlerUG04