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Temporality in Object Database Management Systems
1998
Technical report TR98-04. Conventional databases represent the state of an enterprise at one particular point in time. That is, they contain only current data. As a database changes, out-of-date information, representing past states of the enterprise, is discarded. However, temporal support is a
requirement posed by many database applications, such as office information systems, engineering databases, and multimedia systems. Most of the research on modeling time has concentrated on the definition of a particular temporal model and its incorporation into a (relational or object-oriented) database