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DLOG
2008
15 years 9 months ago
Essential and Mandatory Part-Whole Relations in Conceptual Data Models
A recurring problem in conceptual modelling and ontology development is the representation of part-whole relations, with a requirement to be able to distinguish between essential a...
Alessandro Artale, C. Maria Keet
CCCG
2006
15 years 8 months ago
Removing Outliers to Minimize Area and Perimeter
We consider the problem of removing c points from a set S of n points so that the resulting point set has the smallest possible convex hull. Our main result is an O n 4c 2c (3c)c +...
Rossen Atanassov, Pat Morin, Stefanie Wuhrer
COMBINATORICS
2006
118views more  COMBINATORICS 2006»
15 years 7 months ago
Counting d-Polytopes with d+3 Vertices
We completely solve the problem of enumerating combinatorially inequivalent d-dimensional polytopes with d + 3 vertices. A first solution of this problem, by Lloyd, was published ...
Éric Fusy
CORR
2007
Springer
91views Education» more  CORR 2007»
15 years 7 months ago
Classical Interaction Cannot Replace a Quantum Message
We demonstrate a two-player communication problem that can be solved in the oneway quantum model by a 0-error protocol of cost O (log n) but requires exponentially more communicat...
Dmitry Gavinsky
SYNTHESE
2008
81views more  SYNTHESE 2008»
15 years 7 months ago
Adequate formalization
This article identifies problems with regard to providing criteria that regulate the matching of logical formulae and natural language. We then take on to solve these problems by d...
Michael Baumgartner, Timm Lampert