Anne Helga Seltveit

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The entity-relationship (ER) model has proved a successful conceptual capture and modelling tool for the relational data model. Much effort has recently been made to extend the relational data model to describe historical information, but as yet little corresponding development in ER modelling has been made. We describe in detail the various temporal(More)
Benkt Wangler SISU PO Box 1250 16428 Kista Sweden The ER model has proved a successful conceptual capture and modelling tool for the relational data model. Much effort has recently been made to extend the relational data model to describe historical information, but as yet little corresponding development in ER modelling has been made. We describe in detail(More)
The following overview contains a list of academic work of John Krogstie. The list includes both published and internal papers, and are ordered chronologically according to type of work (see table of contents below). All work are in English except otherwise indicated. The description also contain a list of other articles, reports etc. which have refered to(More)
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