162 search results - page 11 / 33 » SPARQL query rewriting for implementing data integration ove... |
ER
2007
Springer
14 years 1 months ago
2007
Springer
XML Schema supports the specification of occurrence constraints by declaring values for its min/maxOccurs attributes. These constraints are structural in the sense that they rest...
RR
2010
Springer
13 years 5 months ago
2010
Springer
Semantic wikis and other modern knowledge management systems deviate from traditional knowledge bases in that information ranges from unstructured (wiki pages) over semi-formal (ta...
VLDB
2007
ACM
14 years 7 months ago
2007
ACM
Ontology, an explicit specification of shared conceptualization, has been increasingly used to define formal data semantics and improve data reusability and interoperability in en...
GIS
2004
ACM
14 years 8 months ago
2004
ACM
Despite various interoperability recommendations, heterogeneity of Geographic Information Systems (GIS) is still an issue. This led to an increasing need for a data integration sy...
DILS
2005
Springer
14 years 1 months ago
2005
Springer
For execution of complex biological queries, data integration systems often use several intermediate data sources because the domain coverage of individual sources is limited. Qual...