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» Query Languages for Semantic Web Services
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GI
2007
Springer
15 years 10 months ago
Semantic Web Technologies for Power Grid Management
: Utility companies worldwide are facing a multitude of new challenges, which can not be met with the historically grown, monolithic IT systems currently in use. Service oriented a...
Mathias Uslar, Nikolai Dahlem
AAAI
2007
15 years 6 months ago
Approximating OWL-DL Ontologies
Efficient query answering over ontologies is one of the most useful and important services to support Semantic Web applications. Approximation has been identified as a potential...
Jeff Z. Pan, Edward Thomas
168
Voted
JAPLL
2010
179views more  JAPLL 2010»
15 years 2 months ago
Tractable query answering and rewriting under description logic constraints
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 ...
Héctor Pérez-Urbina, Boris Motik, Ia...
DOOD
1995
Springer
124views Database» more  DOOD 1995»
15 years 7 months ago
Querying Semistructured Heterogeneous Information
Abstract. Semistructured data has no absolute schema xed in advance and its structure may be irregular or incomplete. Such data commonly arises in sources that do not impose a rigi...
Dallan Quass, Anand Rajaraman, Yehoshua Sagiv, Jef...
INTERNET
2008
175views more  INTERNET 2008»
15 years 4 months ago
Mashing Up Search Services
through suitable abstractions and tools is a viable option for improving servicebased computations. T he past few years have witnessed end users' increasing involve ment in th...
Daniele Braga, Stefano Ceri, Florian Daniel, David...