2845 search results - page 290 / 569 » Constraints over Ontologies |
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SIGMOD
2004
ACM
16 years 28 days ago
2004
ACM
The prevalent use of XML highlights the need for a generic, flexible access-control mechanism for XML documents that supports efficient and secure query access, without revealing ...
97
Voted
LICS
2002
IEEE
15 years 5 months ago
2002
IEEE
We study relations on trees defined by first-order constraints over a vocabulary that includes the tree extension relation Ì Ì ¼, holding if and only if every branch of Ì ex...
129
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AIPS
2009
15 years 1 months ago
2009
Dynamic plan execution strategies allow an autonomous agent to respond to uncertainties while improving robustness and reducing the need for an overly conservative plan. Executive...
108
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BMCBI
2008
15 years 27 days ago
2008
Background: The explosive growth of biological data provides opportunities for new statistical and comparative analyses of large information sets, such as alignments comprising te...
133
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DKE
2008
15 years 26 days ago
2008
The availability of large amounts of heterogeneous distributed web data necessitates the integration of XML data from multiple XML sources for many reasons. For example, currently,...