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IPMU
2010
Springer
13 years 9 months ago
Plateau Regions: An Implementation Concept for Fuzzy Regions in Spatial Databases and GIS
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...
Virupaksha Kanjilal, Hechen Liu, Markus Schneider
IJFCS
2010
60views more  IJFCS 2010»
13 years 3 months ago
Properties of Quasi-Relabeling Tree Bimorphisms
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...
Andreas Maletti, Catalin Ionut Tîrnauca
DLOG
1996
13 years 6 months ago
Number Restrictions on Complex Roles in Description Logics: A Preliminary Report
Number restrictions are concept constructors that are available in almost all implemented description logic systems. However, even though there has lately been considerable effort...
Franz Baader, Ulrike Sattler
POPL
1995
ACM
13 years 8 months ago
Monad Transformers and Modular Interpreters
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...
Sheng Liang, Paul Hudak, Mark P. Jones