Temporal ER Modelling with Description Logics: A Preliminary Report

Abstract

Recent efforts in the Conceptual Modelling community have been devoted to properly capturing time-varying information. Various temporally enhanced Entity-Relationship (ER) models have been proposed that are intended to model the temporal aspects of database conceptual schemas. This work gives a logical formalisation of the various properties that characterise and extend different temporal ER models which are found in literature. The formalisation we propose is based on Description Logics (DL), which have been proved useful for a logical reconstruction of the most popular conceptual data modelling formalisms. The proposed DL has the ability to express both enhanced temporal ER schemas and integrity constraints in the form of complex inclusion de-

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@inproceedings{Artale2000TemporalEM, title={Temporal ER Modelling with Description Logics: A Preliminary Report}, author={Alessandro Artale and Enrico Franconi}, year={2000} }