463 search results - page 55 / 93 » Querying semantic web data with SPARQL |
111
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SIGMOD
2004
ACM
15 years 12 months ago
2004
ACM
Recently, the Web has been rapidly "deepened" by many searchable databases online, where data are hidden behind query forms. For modelling and integrating Web databases,...
103
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LAWEB
2005
IEEE
15 years 5 months ago
2005
IEEE
Storing and querying Resource Description Framework (RDF) data is one of the basic tasks within any Semantic Web application. A number of storage systems provide assistance for th...
CN
1999
14 years 11 months ago
1999
The growing acceptance of XML as a standard for semi-structured documents on the Web opens up challenging opportunities for Web query languages. In this paper we introduce XML-GL,...
123
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JAPLL
2010
14 years 10 months ago
2010
Answering queries over an incomplete database w.r.t. a set of constraints is an important computational task with applications in fields as diverse as information integration and ...
108
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VLDB
2004
ACM
15 years 5 months ago
2004
ACM
At a fundamental level, the key challenge in data integration is to reconcile the semantics of disparate data sets, each expressed with a different database structure. I argue th...