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  • Warning: array_key_exists() expects parameter 2 to be array, null given in dial_widget_pr_publication_action() (line 140 of /var/www/html/drupal-7.54/sites/all/modules/dial/dial_widget/dial_widget_pr/dial_widget_pr.module).

A Generic Entity-Relationship Model

Bibliographic reference Hainaut, Jean-Luc. A Generic Entity-Relationship Model. In: Information System Concepts: an in-depth analysis : Proc. of the IFIP WG 8.1 Conf. on Information System Concepts, North-Holland  1989, p. 109-138
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