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» Answering Imprecise Queries over Autonomous Web Databases
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OTM
2005
Springer
14 years 1 months ago
Reasoning on Dynamically Built Reasoning Space with Ontology Modules
Several applications require reasoning over autonomously developed ontologies. Initially conceived to explicit the semantics of a certain domain, these ontologies become a powerfu...
Fabio Porto
WWW
2003
ACM
14 years 8 months ago
Text joins in an RDBMS for web data integration
The integration of data produced and collected across autonomous, heterogeneous web services is an increasingly important and challenging problem. Due to the lack of global identi...
Luis Gravano, Panagiotis G. Ipeirotis, Nick Koudas...
ICDE
2008
IEEE
166views Database» more  ICDE 2008»
14 years 9 months ago
A Clustered Index Approach to Distributed XPath Processing
Supporting top-k queries over distributed collections of schemaless XML data poses two challenges. While XML supports expressive query languages such as XPath and XQuery, these la...
Georgia Koloniari, Evaggelia Pitoura
SEMWEB
2009
Springer
14 years 4 days ago
DOGMA: A Disk-Oriented Graph Matching Algorithm for RDF Databases
RDF is an increasingly important paradigm for the representation of information on the Web. As RDF databases increase in size to approach tens of millions of triples, and as sophis...
Matthias Bröcheler, Andrea Pugliese, V. S. Su...
ICDE
2009
IEEE
214views Database» more  ICDE 2009»
14 years 9 months ago
Ranking with Uncertain Scores
Large databases with uncertain information are becoming more common in many applications including data integration, location tracking, and Web search. In these applications, ranki...
Mohamed A. Soliman, Ihab F. Ilyas