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Polyinstantiation

Polyinstantiation in computer science is the concept of type (class, database row or otherwise) being instantiated into multiple independent… Expand
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Papers overview

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2009
2009
We extend Controlled Query Evaluation (CQE), an inference control method to enforce confidentiality in static information systems… Expand
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2006
2006
In multilevel security there is a hierarchy of users or user-levels, in which each user has its own version of information. Most… Expand
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Highly Cited
2004
Highly Cited
2004
An important goal of security in information systems is confidentiality. A confidentiality policy specifies which users should be… Expand
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1997
1997
A multilevel relational database represents information in a multilevel state of the world, which is the knowledge of the truth… Expand
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Highly Cited
1994
Highly Cited
1994
This paper proposes a taxonomy for secure object-oriented databases in order to clarify the issues in modeling and implementing… Expand
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1991
1991
  • T. Lunt
  • Proceedings Computer Security Foundations…
  • 1991
  • Corpus ID: 29102468
Polyinstantiation is a phenomenon of multilevel data. As such, it exists as a property of information and is not merely the… Expand
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1991
1991
Polyinstantiation has generated a great deal of controversy in the multilevel secure (MLS) database management system (DBMS… Expand
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1991
1991
  • D. O'Brien
  • Proceedings Computer Security Foundations…
  • 1991
  • Corpus ID: 21846715
In a multilevel DBMS, there is a need for tuple polyinstantiation. It is conceivable that users at different security levels will… Expand
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Highly Cited
1990
Highly Cited
1990
Polyinstantiation integrity (PI) as defined in the Sea View multilevel relational data model consists of a functional dependency… Expand
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1990
1990
A new polyinstantiation integrity constraint for multilevel relations based on the intuitive idea that every entity in a relation… Expand
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