In a multimedia data retrieval device, each one of a plurality of multimedia data is managed in relation to time information and/or location information indicating a time and/or a location at which each multimedia data is created. Then, the time information and/or the location information corresponding...http://www.google.de/patents/US20030069893?utm_source=gb-gplus-sharePatent US20030069893 - Scheme for multimedia data retrieval using event names and time/location information