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GIS
2007
ACM
16 years 7 months ago
Using fuzzy clustering methods for delineating urban housing submarkets
This study investigates whether a fuzzy clustering method is of any practical value in delineating urban housing submarkets relative to clustering methods based on classic (or cri...
Sungsoon Hwang, Jean-Claude Thill
JELIA
2004
Springer
15 years 11 months ago
On the Relation Between ID-Logic and Answer Set Programming
This paper is an analysis of two knowledge representation extensions of logic programming, namely Answer Set Programming and ID-Logic. Our aim is to compare both logics on the leve...
Maarten Mariën, David Gilis, Marc Denecker
LPAR
2000
Springer
15 years 9 months ago
Efficient Structural Information Analysis for Real CLP Languages
We present the rational construction of a generic domain for structural information analysis of real CLP languages called Pattern(D ), where the parameter D is an abstract domain s...
Roberto Bagnara, Patricia M. Hill, Enea Zaffanella
CSL
2005
Springer
15 years 11 months ago
Feasible Proofs of Matrix Properties with Csanky's Algorithm
We show that Csanky’s fast parallel algorithm for computing the characteristic polynomial of a matrix can be formalized in the logical theory LAP, and can be proved correct in LA...
Michael Soltys
TPHOL
2007
IEEE
16 years 12 days ago
Proof Pearl: De Bruijn Terms Really Do Work
Placing our result in a web of related mechanised results, we give a direct proof that the de Bruijn λ-calculus (`a la Huet, Nipkow and Shankar) is isomorphic to an α-quotiented ...
Michael Norrish, René Vestergaard