Migration integrity rules in open systems

Authors:
Dariusz Król;Bogusław Szlachetko
Affiliations:
Faculty of Computer Science and Management, Wrocław University of Technology, Wrocław, Poland;Faculty of Electronics, Wrocław University of Technology, Wrocław, Poland
Venue:
AWIC'05 Proceedings of the Third international conference on Advances in Web Intelligence
Year:
2005

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Abstract

Multi-class Object Methodology allows objects to change their structure and behavior with respect to semantic integrity. This paper examines the problem of object constraint satisfaction. Two aspects of object constraints are analyzed in detail. The first aspect refers to multi-class feature of objects, and the second is related to the migration of multi-class objects. The expanding approach compared to existing solutions is relied on standardizing the elementary notions: object and constraint. The major contribution is: objects are allowed to change during their lifetime and migrate between systems, also constraints are allowed to change and migrate. The sequence of migration is depending on operation order.