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EDBT'06 Proceedings of the 10th international conference on Advances in Database Technology
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Bisociative Knowledge Discovery
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Many new database applications involve querying of graph data. In this paper, we present an object-oriented graph data model, and an OQL like graph query language, GOQL. The data model and the language are illustrated in the application domain of multimedia presentation graphs. We then discuss the query processing techniques for GOQL, more specifically, the translation of GOQL into an operator-based language, called O-Algebra, extended with operators to deal with paths and sequences. We also discuss different approaches for efficient implementation of algebra operators for paths and sequences.