Abstract
AbstractAn operational algebra with formal definition is necessary for any conceptual data model for smooth data retrieval. We have already proposed a graph-based aspect-oriented data model for a web based application, called ‘Semantic Graph Data Model’ (SGDM) [7]. The proposed model aims to represent the semantic within data in a web based application in an efficient way. SGDM should be supported by an operational algebra for retrieval of data. In this paper, we have proposed a graph based algebra that consists of semantic and non-semantic operators for the evaluation of a semantic query within SGDM. The proposed operators of SGDM are being implemented in a way such that the corresponding object relational operators are being executed on the equivalent object relational data model to offer a doable solution for the end users.KeywordsOperational AlgebraSemantic Web Data ModelGraph Data ModelQuery Processing
Published Version
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