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Erschienen in:
2005 | OriginalPaper | Buchkapitel
Querying a Polynomial Object-Relational Constraint Database in Model-Based Diagnosis
verfasst von : M. T. Gómez-López, R. M. Gasca, C. Del Valle, F. T. de la Rosa
Erschienen in: Database and Expert Systems Applications
Verlag: Springer Berlin Heidelberg
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Many papers related to Constraint Databases (CDBs) theories exist, including proposals that present frameworks for the treatment of constraints as a new data type. Our proposal presents a new way of storing and manipulating constraints as a usual data, and of making queries about the constraint variables derived from an Object-Relational Constraint Database (ORCDB). In this work, the constraints stored in an ORCDB are only polynomial equality constraints. The proposal is based on Gröbner bases, constraint consistency and constraint optimisation techniques. Most works in CDB use spatial-temporal data as a case study, however this work presents an emergent engineering domain, that of fault diagnosis.