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A model of data integrity
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Source ACM SIGSMALL/PC Notes archive
Volume 16 ,  Issue 2  (May 1990) table of contents
Pages: 29 - 33  
Year of Publication: 1990
ISSN:0893-2875
Authors
W. Douglas Varney  At&T Bell Laboratories, Indian Hills, Naperville, Illinois
Elizabeth A. Unger  University of Missouri at Kansas City
Publisher
ACM  New York, NY, USA
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ABSTRACT

The Clark and Wilson model for expressing data integrity constraints is based upon the principles of segregation of duty and assures the manipulation of data only by well formed transactions. In this paper we propose a model using the Clark and Wilson principes and incorporating an attribute grammar to test if the data has integrity from a user's perspective. The definition that data either has integrity or it fails to have integrity is maintained but a set of qualities of data, e.g., age of the data are allowed to be specified by the data administrator or user. These qualities are used to ascertain whether a datum has met the specified quality.


REFERENCES

Note: OCR errors may be found in this Reference List extracted from the full text article. ACM has opted to expose the complete List rather than only correct and linked references.

 
1
Clark, David D. and David R. Wilson, "A Comparison of Commercial and Military Security Policies," Proceedings of the 1987 IEEE Symposium on Security and Privacy, april 27-29, 1987, Oakland, CA, pp 184--194.
 
2
Clark, David D. and David R. Wilson, "Evolution of a Model for Computer Integrity," working paper for NCSC Invitational Workshop on Data Integrity, 1989.
Collaborative Colleagues:
W. Douglas Varney: colleagues
Elizabeth A. Unger: colleagues

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