542 search results - page 76 / 109 » An Effective SPARQL Support over Relational Databases |
PVLDB
2008
13 years 8 months ago
2008
Duplicate detection is the process of identifying multiple representations of a same real-world object in a data source. Duplicate detection is a problem of critical importance in...
ICDE
2007
IEEE
14 years 10 months ago
2007
IEEE
Elevation maps are a widely used spatial data representation in geographical information systems (GIS). Paths on elevation maps can be characterized by profiles, which describe re...
VLDB
2008
ACM
14 years 9 months ago
2008
ACM
Abstract Existing spatiotemporal indexes suffer from either large update cost or poor query performance, except for the Bx -tree (the state-of-the-art), which consists of multiple ...
SIGMOD
2007
ACM
14 years 8 months ago
2007
ACM
The previous literature of privacy preserving data publication has focused on performing "one-time" releases. Specifically, none of the existing solutions supports re-pu...
ER
2006
Springer
14 years 10 days ago
2006
Springer
Ontologies on the Semantic Web are by nature decentralized. From the body of ontology mapping approaches, we can draw a conclusion that an effective approach to automate ontology m...