813 search results - page 54 / 163 » The Spatial Semantic Hierarchy |
INFORMATICALT
2008
13 years 9 months ago
2008
In this paper, we present a method for describing the syntax and semantics of viewcharts. Viewcharts is a visual formalism for describing the dynamic behavior of system components....
JODS
2006
13 years 9 months ago
2006
Knowledge representation languages that combine rules with object-oriented features akin to frame systems have recently attracted a lot of research interest, and F-logic is widely ...
ECWEB
2005
Springer
14 years 2 months ago
2005
Springer
This work describes a novel strategy for designing an XPath processor that acts over an RDF mapping of XML. We use a modelmapping approach to represent instances of XML and XML Sch...
ER
2005
Springer
14 years 2 months ago
2005
Springer
Query rewriting is a fundamental task in query optimization and data integration. With the advent of the web, there has been renewed interest in data integration, where data is dis...
COLING
2002
13 years 8 months ago
2002
We propose a formal characterization of variation in the syntactic realization of semantic arguments, using hierarchies of syntactic relations and thematic roles, and a mechanism ...