235 search results - page 4 / 47 » Logical Development of the Cell Ontology |
OWLED
2007
13 years 7 months ago
2007
Abstract. Ontologies contain information about concepts and their relations. Certain concepts may occur in different ontologies at the same time and these concepts can be used as ...
FOIS
2006
13 years 7 months ago
2006
Abstract. Across a wide range of domains, there is an urgent need for a wellfounded approach to incorporating uncertain and incomplete knowledge into formal domain ontologies. Alth...
SSDBM
2002
IEEE
13 years 10 months ago
2002
IEEE
This paper presents an approach to answering queries over an ontology modelled using a description logic. The ontology acts as a global schema, providing a declarative description...
DLOG
2007
13 years 8 months ago
2007
We develop a formal framework for modular ontologies by analysing four notions of conservative extensions and their applications in refining, re-using, merging, and segmenting ont...
AAAI
2008
13 years 8 months ago
2008
Many semantic web applications require support for mappings between roles (or properties) defined in multiple independently developed ontology modules. Distributed Description Log...