306 search results - page 29 / 62 » Data Exchange: Semantics and Query Answering |
JASIS
2008
14 years 11 months ago
2008
Data cubes for OLAP (Online Analytical Processing) often need to be constructed from data located in several distributed and autonomous information sources. Such a data integratio...
102
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SEMWEB
2010
Springer
14 years 9 months ago
2010
Springer
Abstract. In order to effectively and quickly answer queries in environments with distributed RDF/OWL, we present a query optimization algorithm to identify the potentially relevan...
WWW
2007
ACM
16 years 13 days ago
2007
ACM
Current search engines do not fully leverage semantically rich datasets, or specialise in indexing just one domainspecific dataset. We present a search engine that uses the RDF da...
122
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ICSE
2010
IEEE-ACM
15 years 1 months ago
2010
IEEE-ACM
The feature list of modern IDEs is steadily growing and mastering these tools becomes more and more demanding, especially for novice programmers. Despite their remarkable capabili...
102
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AMW
2009
15 years 27 days ago
2009
In data exchange, data are materialised from a source schema to a target schema, according to suitable source-to-target constraints. Constraints are also expressed on the target sc...