2332 search results - page 363 / 467 » AIS and Semantic Query |
186
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VLDB
2004
ACM
16 years 1 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 ...
SEMWEB
2009
Springer
15 years 8 months ago
2009
Springer
In many data-centric applications, it is desirable to use OWL as an expressive schema language with which one expresses constraints that must be satisfied by instance data. Howeve...
130
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AINA
2007
IEEE
15 years 8 months ago
2007
IEEE
Users commonly rely just on scarce textual annotation when their searches for images are semantic or conceptual based. Rich visual information is often thrown away in basic annota...
108
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ICDE
2007
IEEE
15 years 8 months ago
2007
IEEE
Querying semantically related data sources depends on the ability to map between their schemas. Unfortunately, in most cases matching between schema is still largely performed man...
108
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ACMICEC
2006
ACM
15 years 7 months ago
2006
ACM
We present a browser-extending Semantic Web extraction system that maps HTML documents to tables and, where possible, to rules. First, the basic data extractor ViPER distills and ...