94 search results - page 8 / 19 » Data Base Mappings and Theory of Sketches |
293
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SIGMOD
2009
ACM
16 years 6 months ago
2009
ACM
Research has investigated mappings among data sources under two perspectives. On one side, there are studies of practical tools for schema mapping generation; these focus on algor...
215
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OWLED
2008
15 years 8 months ago
2008
Abstract. Web portal software is relatively easy to set up and populate from the perspective of the end-user, but it leaves the back-end database devoid of subject domain semantics...
168
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PODS
2006
ACM
16 years 6 months ago
2006
ACM
A schema mapping is a specification that describes how data structured under one schema (the source schema) is to be transformed into data structured under a different schema (the...
173
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VISUAL
2005
Springer
16 years 4 days ago
2005
Springer
This contribution details how conceptual characterizations of route knowledge can provide the basis for graphical route information in a cognitively adequate way. The approach is b...
194
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ICEIS
2005
IEEE
16 years 8 days ago
2005
IEEE
Abstract: Interoperability for information systems remains a challenge both at the semantic and organisational levels. The original three-level architecture for local databases nee...