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	Markowitz, Victor     Options: All Media Types Journals Proceedings Div Books Whole Books Other Date Reviewed Title Author Publisher Published Date Descending Ascending Date Reviewed     1 - 2 of 2 reviews       On the correctness of representing extended entity-relationship structures in the relational model Markowitz V., Shoshani A. ACM SIGMOD Record 18(2): 430-439, 1989.  Type: Article This paper describes a two-step process for deriving a relational schema from an extended entity-relationship (EER) schema. The first step involves generating a canonical representation (Crep) of the EER schema (that is, a set of non-n...... Jun 1 1990     An entity-relationship algebra and its semantic description capabilities Markowitz V., Raz Y. Journal of Systems and Software 4(2-3): 147-162, 1984.  Type: Article The Entity-Relationship Model (ERM) is a very popular semantic data model. Data is represented in the ERM in a way similar to that in which people perceive information in the real world. For this reason, an ERM representation of a sche...... Oct 1 1985
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