1. Hu W, Xie N, Li L, Zeng X, Maybank S. A survey on visual content-based video indexing and retrieval. IEEE Trans Syst Man Cybern Part C Appl Rev. 2011;41(6):797–819.
2. Andrews P, Zaihrayeu I, Pane J. A classification of semantic annotation systems. Technical Report DISI-10-064, Ingegneria e Scienza dell’Informazione. University of Trento. 2010.
3. Grassi M, Morbidoni C, Nucci M. Semantic web techniques application for video fragment annotation and management. In: Proceedings of the SSPnet-COST 2102 PINK international conference on analysis of verbal and nonverbal communication and enactment: the processing issues. 2011. p. 95–103.
4. Dasiopoulou S, Giannakidou E, Litos G, Malasioti P, Kompatsiaris Y. A survey of semantic image and video annotation tools. In: Paliouras G, Spyropoulos CD, Tsatsaronis G, editors. Knowledge-driven multimedia information extraction and ontology evolution, 6050/BOEMIE EU project. Berlin: Springer; 2011.
5. Media Fragments URI 1.0. W3C Working Draft 24 June 2010. [Online]. Available: http://www.w3.org/TR/media-frags/ .