Semantic enrichment of database schemes: an object oriented approach

Abstract

When a database is to be interoperated with others, its scheme must first be converted to the canonical model of the federated system. This implies a knowledge acquisition process to upgrade the semantic level of the scheme. The authors present a methodology to convert relational schemas to a semantically rich object oriented model. It is based on inclusion dependencies, but also takes into account exclusion and complementariness dependencies.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">&gt;</ETX>