ENIAM: A More Complete Conceptual Schema Language.

Peter N. Creasy: ENIAM: A More Complete Conceptual Schema Language. VLDB 1989: 107-114
  author    = {Peter N. Creasy},
  editor    = {Peter M. G. Apers and
               Gio Wiederhold},
  title     = {ENIAM: A More Complete Conceptual Schema Language},
  booktitle = {Proceedings of the Fifteenth International Conference on Very
               Large Data Bases, August 22-25, 1989, Amsterdam, The Netherlands},
  publisher = {Morgan Kaufmann},
  year      = {1989},
  isbn      = {1-55860-101-5},
  pages     = {107-114},
  ee        = {db/conf/vldb/Creasy89.html},
  crossref  = {DBLP:conf/vldb/89},
  bibsource = {DBLP,}


The problem of knowledge representation has been extensively addressed in the information systems field and there has been a wide range of suggestions for capturing semantics. A number of systems and methodologies have been proposed. Most seem to suffer from a variety of problems which make representation difficult, e.g. mixing of type and instances, too many and complex structures. Representation languages which permit a graphical form are becoming more widelyaccepted under the motivation of being able to see the data structures which exist. However the semantics are somewhat limited with, for example, few integrity constraints being represented. In this paper we show how a conceptual schema language with a graphical form can be extended to permit a wider class of semantics to be represented.

Copyright © 1989 by the VLDB Endowment. Permission to copy without fee all or part of this material is granted provided that the copies are not made or distributed for direct commercial advantage, the VLDB copyright notice and the title of the publication and its date appear, and notice is given that copying is by the permission of the Very Large Data Base Endowment. To copy otherwise, or to republish, requires a fee and/or special permission from the Endowment.

Online Paper

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Printed Edition

Peter M. G. Apers, Gio Wiederhold (Eds.): Proceedings of the Fifteenth International Conference on Very Large Data Bases, August 22-25, 1989, Amsterdam, The Netherlands. Morgan Kaufmann 1989, ISBN 1-55860-101-5


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Jean-Marie Nicolas: Logic for Improving Integrity Checking in Relational Data Bases. Acta Inf. 18: 227-253(1982) BibTeX
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Referenced by

  1. Alberto H. F. Laender, Donal J. Flynn: A Semantic Comparison of the Modelling Capabilities of the ER and NIAM Models. ER 1993: 242-256
  2. Takao Miura: Nesting Quantification in a Visual Data Manipulation Language. ER 1992: 226-242
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