Theoretical and Practical Analysis about Census by Internet.
J. L. Vega (2010)
Boletín de Estadística e Investigación Operativa. BEIO
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J. L. Vega (2010)
Boletín de Estadística e Investigación Operativa. BEIO
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Cherukuri Aswani Kumar (2011)
International Journal of Applied Mathematics and Computer Science
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In this paper our objective is to propose a random projections based formal concept analysis for knowledge discovery in data. We demonstrate the implementation of the proposed method on two real world healthcare datasets. Formal Concept Analysis (FCA) is a mathematical framework that offers a conceptual knowledge representation through hierarchical conceptual structures called concept lattices. However, during the design of a concept lattice, complexity plays a major role.
THOMAS L. SAATY (1999)
Revista de la Real Academia de Ciencias Exactas Físicas y Naturales
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Jacek Błażewicz, Piotr Łukasik, Szymon Wilk (2007)
Control and Cybernetics
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Kratica, Jozef, Savić, Aleksandar, Filipović, Vladimir, Milanović, Marija (2010)
Serdica Journal of Computing
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In this paper a variable neighborhood search (VNS) approach for the task assignment problem (TAP) is considered. An appropriate neighborhood scheme along with a shaking operator and local search procedure are constructed specifically for this problem. The computational results are presented for the instances from the literature, and compared to optimal solutions obtained by the CPLEX solver and heuristic solutions generated by the genetic algorithm. It can be seen that the proposed...
F. Z. Hadjam, C. Moraga, M. K. Rahmouni (2007)
Mathware and Soft Computing
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Mintchev, Alexander (2007)
Serdica Journal of Computing
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The paper has been presented at the International Conference Pioneers of Bulgarian Mathematics, Dedicated to Nikola Obreshko and Lubomir Tschakalo , So a, July, 2006. The current paper introduces the usage of subjective evaluations by others as a tool that can support consumers' decisions. It summarizes the features of the main UDDI registry providers and presents an extension to any UDDI registry allowing users of the registry to publish subjective evaluations for any artifact...
Savić, Aleksandar, Tošić, Dušan, Marić, Miroslav, Kratica, Jozef (2008)
Serdica Journal of Computing
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This research was partially supported by the Serbian Ministry of Science and Ecology under project 144007. The authors are grateful to Ivana Ljubić for help in testing and to Vladimir Filipović for useful suggestions and comments. In this paper a genetic algorithm (GA) for the task assignment problem (TAP) is considered.An integer representation with standard genetic operators is used. Computational results are presented for instances from the literature, and compared to...
Karina Gibert, Ulises Cortés (1997)
Mathware and Soft Computing
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Description of individuals in ill-structured domains produces messy data matrices. In this context, automated classification requires the management of those kind of matrices. One of the features involved in clustering is the evaluation of distances between individuals. Then, a special function to calculate distances between individuals partially simultaneously described by qualitative and quantitative variables is required. In this paper properties and details of the metrics...