A boolean algebra approach for class hierarchy normalization
Paper
Paper/Presentation Title | A boolean algebra approach for class hierarchy normalization |
---|---|
Presentation Type | Paper |
Authors | Zhang, Yanchun (Author) and Xiao, Jitian (Author) |
Editors | Topor, R. and Tanaka, K. |
Journal or Proceedings Title | Proceedings of 5th International Conference on Database Systems for Advanced Applications |
ERA Conference ID | 42694 |
Journal Citation | 6, pp. 303-312 |
Number of Pages | 10 |
Year | 1997 |
Place of Publication | Singapore |
ISBN | 9789810231071 |
9789814497480 | |
Digital Object Identifier (DOI) | https://doi.org/10.1142/9789812819536_0032 |
Web Address (URL) of Paper | http://www.comp.nus.edu.sg/~lingtw/dasfaa_proceedings/DASFAA97/P303.pdf |
Conference/Event | 5th International Conference on Database Systems for Advanced Applications |
Database Systems for Advanced Applications | |
Event Details | Database Systems for Advanced Applications DASFAA Rank A A |
Event Details | 5th International Conference on Database Systems for Advanced Applications Event Date 01 to end of 04 Apr 1997 Event Location Melbourne, Australia |
Abstract | Normalization in object-oriented design is much different from that in relational database design. Not only are the conceptual data model of object-oriented (o-o) models integrating richer structuring capabilities than that of relational models, but also the dependency constraints, attribute ranges and access paths in o-o models are more complex than that in relational models. In o-o models, inheritance semantics is expressed mainly by class hierarchy, and it is important to ensure and maintain an appropriate class hierarchy. In this paper, we propose a Boolean algebra approach for class hierarchy normalization. A class hierarchy normal form(CHNF) and an indexing model for class hierarchy are defined respectively. Some methods and algorithms, such as transformation from a non-CHNF class hierarchy to a CHNF one, are given. |
Keywords | object oriented databases; class hierarchy; normal forms; boolean algebra |
ANZSRC Field of Research 2020 | 461303. Computational logic and formal languages |
460599. Data management and data science not elsewhere classified | |
490407. Mathematical logic, set theory, lattices and universal algebra | |
Public Notes | This publication is copyright. It may be reproduced in whole or in part for the purposes of study, research, or review, but is subject to the inclusion of an acknowledgment of the source. |
Byline Affiliations | Department of Mathematics and Computing |
Department of Maths and Computing | |
Institution of Origin | University of Southern Queensland |
https://research.usq.edu.au/item/q043w/a-boolean-algebra-approach-for-class-hierarchy-normalization
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