306 search results - page 31 / 62 » Data Exchange: Semantics and Query Answering |
119
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DEXAW
2007
IEEE
15 years 3 months ago
2007
IEEE
The problem of efficiently evaluating XPath and XQuery queries has become increasingly significant since more and more XML data is stored in its native form. We propose a novel op...
ISI
2006
Springer
14 years 11 months ago
2006
Springer
Access control mechanisms are commonly used to provide control over who may access sensitive information. However, malicious users can exploit the correlation among the data and in...
AP2PC
2003
Springer
15 years 5 months ago
2003
Springer
Distributed Hashtables (DHTs) provide a scalable method of associating file-hashes with a particular location in a distributed network environment. Modifying DHTs directly to suppo...
96
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WWW
2008
ACM
16 years 13 days ago
2008
ACM
Fuzzy ontologies are envisioned to be useful in the Semantic Web. Existing fuzzy ontology reasoners are not scalable enough to handle the scale of data that the Web provides. In t...
105
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EDBT
2009
ACM
15 years 6 months ago
2009
ACM
There has been an explosion of hyperlinked data in many domains, e.g., the biological Web. Expressive query languages and effective ranking techniques are required to convert this...