2675 search results - page 421 / 535 » From Ontology to Relational Databases |
274
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GIS
2008
ACM
16 years 7 months ago
2008
ACM
The pervasiveness of location-acquisition technologies (GPS, GSM networks, etc.) enable people to conveniently log the location histories they visited with spatio-temporal data. T...
166
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PODS
2006
ACM
16 years 6 months ago
2006
ACM
Given a document D in the form of an unordered labeled tree, we study the expressibility on D of various fragments of XPath, the core navigational language on XML documents. We gi...
170
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ICDE
2010
IEEE
16 years 3 months ago
2010
IEEE
— One of the central problems for data quality is inconsistency detection. Given a database D and a set Σ of dependencies as data quality rules, we want to identify tuples in D ...
192
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ICWS
2009
IEEE
16 years 3 months ago
2009
IEEE
—The vision of the Semantic Web has brought about new challenges at the intersection of web research and data management. One fundamental research issue at this intersection is t...
181
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ICDE
2009
IEEE
16 years 1 months ago
2009
IEEE
— Large graphs and networks are abundant in modern information systems: entity-relationship graphs over relational data or Web-extracted entities, biological networks, social onl...