semantic network in order to represent the contents of a scene of a video clip
(Uehara, 1996). Jaimes has proposed a data model representing the contents of
multimedia by using four components and the relationships between them (Jaimes,
2005). Contents of video data are represented with a kind of tree structure in XML
(Manjunath, Salembier, Sikora, 2002).
We have proposed a graph-based data model, the Directed Recursive
Hypergraph data Model (DRHM), for representing the contents of multimedia data
(Hochin, 2006, Hochin and Nomiya, 2009, Hochin, 2010, Ohira, Hochin and
Nomiya, 2011, Hochin, Ohira and Nomiya, 2012). It incorporates the concepts of
directed graphs, recursive graphs, and hypergraphs. An instance ...