Introducing specialization and generalization to a graph-based data model
KES'11 Proceedings of the 15th international conference on Knowledge-based and intelligent information and engineering systems - Volume Part IV
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The contents of multimedia data has complex relationships. A data model incorporating the concepts of directed graphs, recursive graphs, and hypergraphs has been proposed for representing the contents of multimedia data. This data model represents an instance with a directed recursive hypergraph called an instance graph. This paper introduces an operation for manipulating instance graphs easily. The operation is rewrite operation. This is a logic-based, and graphical one. The formal definition of this operation is described. This operation is evaluated by comparing with other ones of graph-based data models.