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Complex Correspondences and Functions in Schema Mappings by Arnold Patrick (Paperback / softback, 2013)

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About this product

Product Information

Schema and Ontology Mapping play a crucial role whenever heterogeneous data sources are to be integrated or merged. There are already countless matching tools that semi-automatically calculate the correspondences between elements of diverse database schemas, however, there is hardly any solution that could discover many-to-one correspondences (complex correspondences) or transformation functions, which are inevitable prerequisites for precise schema mapping and accurate data transformation. In this study, we give a profound introduction in complex correspondences and transformation functions as part of schema mappings. Starting from theoretic aspects, use cases and examples, we reveal the shortcomings of today's schema and ontology mapping tools, and subsequently present versatile strategies how complex correspondences and transformation functions can be semi-automatically discovered in a given schema or ontology mapping, thus considerably reducing the manual effort of mapping post-processing. We finally explain how we integrated the approach in our schema and ontology matcher COMA++ and evaluate it w.r.t. to time complexity and precision. Among others, we could demonstrate that the obvious neglect of complex correspondence and function detection, both in academic research and industry, is by means justified, and that there are decent strategies to actually cope with it.

Product Identifiers

Publisher
AV Akademikerverlag
ISBN-10
3639479335
ISBN-13
9783639479331
eBay Product ID (ePID)
190509382

Product Key Features

Author
Arnold Patrick
Format
Paperback / Softback, Trade Paperback (US) ,Unsewn / Adhesive Bound
Language
English
Subject
Computing: General
Type
Textbook

Additional Product Features

Content Note
Black & White Illustrations
Date of Publication
16/11/2013
Country of Publication
United States

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