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Domain Independence and Query Reformulations Under Constraints by Volha Kerhet ISBN 9788860461346, 9788860461353, 8860461340, 8860461359 instant download

  • SKU: EBN-237411126
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Instant download (eBook) Domain Independence and Query Reformulations Under Constraints after payment.
Authors:Volha Kerhet
Pages:129 pages
Year:2017
Publisher:BU Press
Language:english
File Size:1.17 MB
Format:pdf
ISBNS:9788860461346, 9788860461353, 8860461340, 8860461359
Categories: Ebooks

Product desciption

Domain Independence and Query Reformulations Under Constraints by Volha Kerhet ISBN 9788860461346, 9788860461353, 8860461340, 8860461359 instant download

Knowledge representation formalisms that are used to express ontologies assume that the information is potentially incomplete, while databases represent only complete information. Thus, there is a fundamental mismatch between different semantics of ontology-based systems and of databases. This study proposes a framework that builds a bridge between these semantics and it allows to effectively and completely evaluate queries over databases with respect to ontologies by means of query reformulation into SQL. Furthermore, this work includes investigations into domain independence, the property that guarantees SQL executability. A sound and complete procedure to check domain independence is shown for the first time.
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