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CCCG
2007
15 years 6 months ago
Optimal Point Set Partitioning using Rigid Motion Star Placement
We consider the problem of determining the placement of a star R on a set P of n points in the plane such that a given objective function is maximized. A star R is a set of m rays...
Prosenjit Bose, Jason Morrison
EDM
2010
129views Data Mining» more  EDM 2010»
15 years 6 months ago
Skill Set Profile Clustering: The Empty K-Means Algorithm with Automatic Specification of Starting Cluster Centers
While students' skill set profiles can be estimated with formal cognitive diagnosis models [8], their computational complexity makes simpler proxy skill estimates attractive [...
Rebecca Nugent, Nema Dean, Elizabeth Ayers
CCCG
2008
15 years 6 months ago
Computational Balloon Twisting: The Theory of Balloon Polyhedra
This paper builds a general mathematical and algorithmic theory for balloon-twisting structures, from balloon animals to balloon polyhedra, by modeling their underlying graphs (ed...
Erik D. Demaine, Martin L. Demaine, Vi Hart
EUSFLAT
2007
119views Fuzzy Logic» more  EUSFLAT 2007»
15 years 6 months ago
A New Preprocessing Approach to Preparation of Binary Patterns for FAM Neural Networks
The patterns which are presented to a Fuzzy ARTmap network should be preprocessed in such a way that the data are of appropriate clearance. In order to decrease the degree of simi...
M. Chitsaz, N. Sadati, R. Barzamini, J. Jouzdani, ...
HCI
2007
15 years 6 months ago
FPF-SB : A Scalable Algorithm for Microarray Gene Expression Data Clustering
Efficient and effective analysis of large datasets from microarray gene expression data is one of the keys to time-critical personalized medicine. The issue we address here is the ...
Filippo Geraci, Mauro Leoncini, Manuela Montangero...