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Published in:
2006 | OriginalPaper | Chapter
Object-Oriented Database Implementation of the Fuzzy EXPRESS Model
Published in: Fuzzy Database Modeling of Imprecise and Uncertain Engineering Information
Publisher: Springer Berlin Heidelberg
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This chapter has investigated the issues involved in implementation of the fuzzy EXPRESS information model on fuzzy object-oriented databases. Database implementation of EXPRESS information model involves information mapping from the EXPRESS data model into database structures and the development of SDAI operations. In the chapter, formal methods for mapping fuzzy EXPRESS information model to the fuzzy object-oriented databases have been developed. Taking into account the features of the imperfect EXPRESS information models, the requirements of SDAI functions have been investigated to manipulate the EXPRESS-defined data in the databases. Depending on the fuzzy object-oriented database platform, various implementation algorithms of these SDAI functions have been developed.