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WWW
2008
ACM
16 years 5 months ago
The scale-free nature of semantic web ontology
Semantic web ontology languages, such as OWL, have been widely used for knowledge representation. Through empirical analysis of real-world ontologies we discover that, like many n...
Hongyu Zhang
WWW
2006
ACM
16 years 5 months ago
Upgrading relational legacy data to the semantic web
In this poster, we describe a framework composed of the R2O mapping language and the ODEMapster processor to upgrade relational legacy data to the Semantic Web. The framework is b...
Asunción Gómez-Pérez, Jes&uac...
WWW
2004
ACM
16 years 5 months ago
A query algebra for xml p2p databases
This paper describes a query algebra for queries over XML p2p databases that provides explicit mechanisms for modeling data dissemination, replication constraints, and for capturi...
Carlo Sartiani
PODS
2007
ACM
107views Database» more  PODS 2007»
16 years 4 months ago
Polynomial time fragments of XPath with variables
Variables are the distinguishing new feature of XPath 2.0 which permits to select n-tuples of nodes in trees. It is known that the Core of XPath 2.0 captures n-ary first-order (FO...
Emmanuel Filiot, Joachim Niehren, Jean-Marc Talbot...
PPDP
2009
Springer
15 years 11 months ago
Scrap your boilerplate: prologically!
“Scrap Your Boilerplate” (SYB) is an established style of generic functional programming. The present paper reconstructs SYB within the Prolog language with the help of the un...
Ralf Lämmel