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These recent years, we have seen the emergence of several studies allowing a linkage between databases and ontologies to facilitate the design of databases. However, these studies do not address the needs of the advanced applications, because they do not integrate mechanisms that consider the temporal characteristic. In addition, the complexity of real-time applications is ever increasing which makes their design processes very difficult. For that purpose, a new vision will allow to fill in the limits of these studies and to suggest a method to conceptualize this kind of databases (real-time databases). This vision needs to define a new ontology to be integrated into these databases. This suggested ontology should be used to represent a domain in an explicit way without any ambiguity, to describe the most general categories and relations, and to define the temporal information and to resolve the semantic …