2718 search results - page 318 / 544 » Querying the deep web |
175
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ICWS
2009
IEEE
16 years 3 months ago
2009
IEEE
In general, provenance of electronic data represents an important issue in information systems. So far, Serviceoriented Computing research has mainly focused on provenance of data...
176
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IAT
2008
IEEE
16 years 1 months ago
2008
IEEE
Many real–world information needs are naturally formulated as queries with temporal constraints. However, the structured temporal background information needed to support such c...
179
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OTM
2007
Springer
16 years 24 days ago
2007
Springer
We show how Semantic Web technologies can be used to build an access control system. We follow the role-based access control approach (RBAC) and extend it with contextual attribute...
168
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AINA
2009
IEEE
15 years 11 months ago
2009
IEEE
This work describes a generic database service for the lightweight Venice Service Grid, which has been developed at the University of Kaiserslautern, Germany. By using Web service...
177
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WEBI
2001
Springer
15 years 11 months ago
2001
Springer
Abstract. Thanks to the recent explosive progress of WWW (WorldWide Web), we can easily access a large number of images from WWW. There are, however, no established methods to make...