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PODS
2010
ACM
14 years 11 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...
102
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APVIS
2011
13 years 9 months ago
2011
Maps offer a familiar way to present geographic data (continents, countries), and additional information (topography, geology), can be displayed with the help of contours and heat...
BIRTHDAY
2009
Springer
15 years 4 months ago
2009
Springer
Abstract. The Clio project provides tools that vastly simplify information integration. Information integration requires data conversions to bring data in different representation...
100
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ICDE
2012
IEEE
13 years 7 days ago
2012
IEEE
—A major challenge faced by today’s information systems is that of evolution as data usage evolves or new data resources become available. Modern organizations sometimes exchan...
PODS
2008
ACM
15 years 10 months ago
2008
ACM
In the study of data exchange one usually assumes an openworld semantics, making it possible to extend instances of target schemas. An alternative closed-world semantics only move...