1. Döller, M., Tous, R., Gruhne, M., Yoon, K., Sano, M., Burnett, I.S.: The MPEG Query Format: On the Way to Unify the Access to Multimedia Retrieval Systems. IEEE Multimedia 15(4) (2008) ISSN: 1070-986X
2. Gruhne, M., Tous, R., Döller, M., Delgado, J., Kosch, H.: MP7QF: An MPEG-7 Query Format. In: Proceedings of the 3rd International Conference on Automated Production of Cross Media Content for Multi-channel Distribution (AXMEDIS 2007), Barcelona, Spain, pp. 15–18 (November 2007)
3. ISO/IEC 15938-12:2008 Information Technology - Multimedia Content Description Interface - Part 12: Query Format (2008)
4. ISO/IEC 24800-3:2010 Information technology - JPSearch - Part 3: JPSearch Query format (2010)
5. ISO/IEC 24800-2:2011 Information technology - JPSearch - Part 2: Registration, identification and management of schema and ontology (2011)