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IPMU
2010
Springer
14 years 14 days 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 6 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
ICFP
2004
ACM
14 years 7 months ago
Types, potency, and idempotency: why nonlinearity and amnesia make a type system work
Useful type inference must be faster than normalization. Otherwise, you could check safety conditions by running the program. We analyze the relationship between bounds on normali...
Harry G. Mairson, Peter Møller Neergaard
ICFP
1997
ACM
13 years 12 months ago
A Modular, Polyvariant, and Type-Based Closure Analysis
We observe that the principal typing property of a type system is the enabling technology for modularity and separate compilation [10]. We use this technology to formulate a modul...
Anindya Banerjee
ENTCS
2002
91views more  ENTCS 2002»
13 years 7 months ago
Subtyping in Logical Form
By using intersection types and filter models we formulate a theory of types for a -calculus with record subtyping via a finitary programming logic. Types are interpreted as space...
Ugo de'Liguoro