1782 search results - page 4 / 357 » A Data Transformation Method Based on Schema Mapping |
164
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VLDB
2004
ACM
15 years 11 months ago
2004
ACM
Abstract. In dynamic environments like the Web, data sources may change not only their data but also their schemas, their semantics, and their query capabilities.When a mapping is ...
103
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PODS
2012
ACM
13 years 2 months ago
2012
ACM
Over the past several decades, the study of conjunctive queries has occupied a central place in the theory and practice of database systems. In recent years, conjunctive queries h...
DASFAA
2003
IEEE
15 years 4 months ago
2003
IEEE
Various models and approaches have been proposed for mapping XML data into relational tables recently. Most of those approaches produce relational schema for given XML data, based...
103
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PODS
2010
ACM
15 years 1 months ago
2010
ACM
Schema mappings are high-level specifications that describe the relationship between two database schemas; they are considered to be the essential building blocks in data exchange...
EDBT
2008
ACM
15 years 11 months ago
2008
ACM
Schema mapping algorithms rely on value correspondences ? i.e., correspondences among semantically related attributes ? to produce complex transformations among data sources. Thes...