1791 search results - page 16 / 359 » Semantics and Complexity of SPARQL |
WWW
2006
ACM
15 years 10 months ago
2006
ACM
We describe ELVIS (the Ecosystem Location Visualization and Information System), a suite of tools for constructing food webs for a given location. We express both ELVIS input and ...
W4A
2006
ACM
15 years 4 months ago
2006
ACM
Graphical representations are a powerful way of conveying information. Their use has made life much easier for most sighted users, but people with disabilities or users who work i...
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VLDB
2007
ACM
15 years 10 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...
SEMWEB
2009
Springer
15 years 4 months ago
2009
Springer
In this paper, we present PelletSpatial, a qualitative spatial reasoning engine implemented on top of Pellet. PelletSpatial provides consistency checking and query answering over s...
ESWS
2008
Springer
14 years 12 months ago
2008
Springer
RKB Explorer is a Semantic Web application that is able to present unified views of a significant number of heterogeneous data sources. We have developed an underlying information ...