Abstract
Chapters 3–4 described a unified representation for conceptual modelling in which data things, information things and knowledge things are all represented in the same way as “items”. Complex items may be constructed by applying objects to simpler items. Items and objects are named triples consisting of a “name”, “semantics”, “value constraints” and “set constraints”. At any particular time an item is associated with a particular value set.
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© 1998 Springer-Verlag Berlin Heidelberg
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Debenham, J. (1998). Schemas. In: Knowledge Engineering. Artificial Intelligence. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-72034-5_5
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DOI: https://doi.org/10.1007/978-3-642-72034-5_5
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-72036-9
Online ISBN: 978-3-642-72034-5
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