Information visualisation of large multivariate datasets presents certain unique challenges. Few tools currently exist to facilitate the interactive display of such information on...
Abstract. We study the extension of context ontologies towards enhanced qualitative spatio-temporal representations and reasoning. Our goal is to model and extract events that are ...
In this paper we discuss two data models for spatial database systems: the linear data model and the topological data model. Both can be used to model a wide range of applications....
Semantic data transformation plays an important role in realizing the vision of the semantic web. It supports the transformation of data in different representations into ontologi...
The Web contains a large amount of documents and increasingly, also semantic data in the form of RDF triples. Many of these triples are annotations that are associated with docume...