Abstract. Many geographical applications need to model spatial phenomena with vague or indeterminate boundaries and interiors. A popular paradigm adopted by the GIS community for t...
The fundamental properties of the class QUASI of quasi-relabeling relations are investigated. A quasi-relabeling relation is a tree relation that is dened by a tree bimorphism (Ï...
Number restrictions are concept constructors that are available in almost all implemented description logic systems. However, even though there has lately been considerable effort...
We show how a set of building blocks can be used to construct programming language interpreters, and present implementations of such building blocks capable of supporting many com...