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Alternative Objects in Object-oriented Databases.

Tae-Soo Chang, Katsumi Tanaka: Alternative Objects in Object-oriented Databases. DASFAA 1989: 182-189
@inproceedings{DBLP:conf/dasfaa/ChangT89,
  author    = {Tae-Soo Chang and
               Katsumi Tanaka},
  editor    = {Sukho Lee and
               Hideko S. Kunii and
               Won Kim and
               In Sup Paik and
               Yahiko Kambayashi},
  title     = {Alternative Objects in Object-oriented Databases},
  booktitle = {International Symposium on Database Systems for Advanced Applications,
               Seoul, Korea, April 10-12, 1989},
  publisher = {Dept. of Computer Science, KAIST, P.O. Box 150, ChongRyang, Seoul,
               131-650, Korea},
  year      = {1989},
  pages     = {182-189},
  ee        = {db/conf/dasfaa/ChangT89.html},
  crossref  = {DBLP:conf/dasfaa/89},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}
BibTeX

Abstract

In this paper, we will introduce the notion of alternative objects in object-oriented databases, and show their mathematical properties. Alternative objects are the objects that can behave in the same manner (that is, can return the same resulting objects) at least for all the applicable messages for a given object. In such a sense, alternative objects are a kind of versions, but the notable feature of our alternative objects is that they are defined according to the structure of actual methods and class hierarchies. Overriding of method, and abstract methods (which can not be applied successfully to instance objects of a certain class) are also taken into account.

Copyright © 1989 by The Organizing Commitee of the International Symposium on Database Systems for Advanced Applications. Permission to copy without all or part of this material is granted provided that the copies are not made or distributed for direct commercial advantage, the DASFAA copyright notice and the title of the publication and its date appear, and notice is given that copying is by permission of the Organizing Commitee of the International Symposium on Database Systems for Advanced Applications. To copy otherwise, or to republish, requires a fee and/or special permission from the Organizing Commitee.


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