157 search results - page 24 / 32 » A Conjunctive Query Language for Description Logic Aboxes |
98
Voted
ICDT
2005
ACM
15 years 3 months ago
2005
ACM
We give two sufficient conditions on XPath like languages for having first order expressivity, meaning that every first order definable set of paths in an ordered node-labeled t...
99
Voted
VLDB
2005
ACM
15 years 3 months ago
2005
ACM
Devising a scheme for efficient and scalable querying of Resource Description Framework (RDF) data has been an active area of current research. However, most approaches define new...
89
Voted
MTSR
2007
Springer
15 years 4 months ago
2007
Springer
In this paper we describe the development of an ontology of molecular and phenotypic cereals data, realized by integrating existing public web databases with the database developed...
105
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ICIW
2008
IEEE
15 years 4 months ago
2008
IEEE
—With the increasing development of real applications using Semantic Web Technologies, it is necessary to provide scalable and efficient ontology querying and reasoning systems....
PODS
2007
ACM
15 years 10 months ago
2007
ACM
The pebble tree automaton and the pebble tree transducer are enhanced by additionally allowing an unbounded number of `invisible' pebbles (as opposed to the usual `visible�...