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Feature selection by multi-objective optimisation: application to network anomaly detection by hierarchical self-organising maps
(Universidad de la Costa, 2014-08-11)
Feature selection is an important and active issue in clustering and classification problems. By choosing an adequate feature subset, a dataset dimensionality reduction is allowed, thus contributing to decreasing the ...
Lineamientos estratégicos para las juntas de acción comunal en Barranquilla, Colombia
(Corporación Universidad de la Costa, 2014-06-05)
Las Juntas de Acción Comunal (JAC) contribuyen al desarrollo de sus comunidades; sin embargo, en la localidad suroriente, en la ciudad de Barranquilla, Colombia, su accionar se ve afectado por factores políticos y de ...
Responsabilidad gerencial: elemento integrador de la sustentabilidad en la responsabilidad social empresarial
(Universidad de la Costa, 2014-10-02)
Actualmente las organizaciones reflexionan sobre transparencia en la rendición de cuentas como herramienta de empoderamiento que hace sustentable su gestión en responsabilidad social, en este sentido la investigación tiene ...
A three layer supply chain model with multiple suppliers, manufacturers and retailers for multiple items
(Applied Mathematics and Computation, 2014-01-25)
The replenishment size/production lot size problem both for perfect and imperfect quality products studied in this paper is motivated by the optimal strategy in a three layer supply chain consisting of multiple suppliers, ...
Analysis of energy production with different photovoltaic technologies in the Colombian geography
(IOP Conference Series: Materials Science And Engineering, 2014)
This research has analyzed the photovoltaic technologies, Polycrystalline silicon, Monocrystalline Silicon, GIS, Cadmium Tellurium and Amorphous Silicon; in eight cities of the Colombian territory, in order to obtain a ...
Lean Six Sigma in small and medium enterprises: A methodological approach
(Ingeniare, 2014-01-17)
Six Sigma y Manufactura Esbelta son enfoques de mejora de la calidad y productividad que han sido implementados con gran éxito en grandes empresas a nivel mundial, en el ámbito de la manufactura y los servicios. Pero en ...
Mathematical Programming Modeling And Resolution Of The Location-Routing Problem In Urban Logistics
(Ingenieria Y Universidad, 2014-07)
The implementation of urban distribution centers near to city centers to allow freight consolidation is a widely extended initiative worldwide, seeking to improve traffic congestion and quality of life in downtown, among ...
Microemprendimientos, asociatividad y gestión de organizaciones sociales
(Universidad Externado de Colombia, 2014)
Este artículo tiene como propósito presentar avances del proyecto titulado “Promoción, desarrollo y fortalecimiento a organizaciones solidarias de los departamentos del Atlántico, Bolívar y Magdalena”; específicamente sur ...
Thermodynamic Properties Of In1-xBxP Semiconducting Alloys: A First-Principles Study
(Computational Materials Science, 2014-08)
We have carried out first-principles total-energy calculations in order to study the electronic structure and thermodynamic properties of In 1-xBxP semiconducting alloys using the GGA and LDA formalisms within density ...
Retardo temporal en las lentes por galaxias en el contexto de Reissner - Nordstrom
(Revista Mexicana De Fisica, 2014-06)
In this work we derive the mathematical expressions for the time delay between two images due to gravitational lensing with symmetric distributions of both: mass and electric charge from the line element in the context of ...