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Aproximadamente 17 registro(s) hasta el momento: (datos)

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Recurso libre

A data mining approach to computational taxonomy
Perichinsky, Gregorio - García Martínez, Ramón

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	This study investigates an approach of knowledge discovery and data mining in insufficient databases. An application of Computational Taxonomy analysis demonstrates that the approach is effective in such a data mining process. The approach is characterized by the use ot…
Fecha:	2012-10-10
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Using web-site QEM to measure the quality of sites
Olsina Santos, Luis Antonio - Lafuente, Guillermo Javier - Lafuente, Gustavo - Rossi, Gustavo

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	In this position paper, the main steps to measure and evaluate quantitatively the quality of sites are shown. Besides, some specific models, criteria and procedures to apply in these activities are discussed by quoting case studies already performed (e.g., in…
Fecha:	2012-10-10
Recurso:	Unversidad Nacional de La Plata

Recurso libre

A methodology for software documentation
Torres Júnior, Roberto Dias - Ahlert, Hubert

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	With the growing complexity of window based software and the use of object-oriented, the development of software is getting more complex than ever. Based on that, this article intends to present a methodology for software documentation and to analyze our…
Fecha:	2012-11-02
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Toward metrics and model validation in web-site QEM
Olsina Santos, Luis Antonio - Pons, Claudia - Rossi, Gustavo Héctor

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	In this work, a conceptual framework and the associated strategies for metrics and model validation are analyzed regarding website measurement and evaluation. Particularly, we have conducted three case studies in different Web domains in order to evaluate and compare the…
Fecha:	2012-11-02
Recurso:	Unversidad Nacional de La Plata

Recurso libre

A formal model for some behavioural features of analysis patterns
Buccella, Agustina - Cechich, Alejandra

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	It is commonly said that a pattern has four essential parts: a statement of the context where the pattern is useful, the problem that the pattern addresses, the forces that play in forming a solution, and the solution that resolves…
Fecha:	2012-11-02
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Knowledge discovery based on computational taxonomy and intelligent data mining
Perichinsky, Gregorio - García Martínez, Ramón - Proto, Araceli

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	This study investigates an approach of knowledge discovery and data mining in insufficient databases. An application of Computational Taxonomy analysis demonstrates that the approach is effective in such a data mining process. The approach is characterized by the use of…
Fecha:	2012-11-06
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Nineteen sixties history of data base management
Olle, T. William

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Data base management evolved during the sixties and seventies. The evolution period was protracted. Many driving forces impacted the evolution and it is the aim of this paper to analyze these driving forces (some technical and some political) and to…
Fecha:	2012-11-12
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Data modeling dealing with uncertainty in fuzzy logic
Urrutia Sepúlveda, Angélica - Galindo, José - Jiménez, Leoncio - Piattini Velthuis, Mario

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	This paper shows models of data description that incorporate uncertainty like models of data extension EER, IFO among others. These database modeling tools are compared with the pattern FuzzyEER proposed by us, which is an extension of the EER model…
Fecha:	2012-11-20
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Index structures for distributed text databases
Marin Cahiuan, Juan Mauricio

Formato:	Articulo, Articulo
Enlaces:	The Web has became an obiquitous resource for distributed computing making it relevant to investigate new ways of providing efficient access to services available at dedicated sites. Efficiency is an ever-increasing demand which can be only satisfied with the development…
Fecha:	2004-08-10
Recurso:	Unversidad Nacional de La Plata

Recurso libre

10.

Combine vector quantization and support vector machine for imbalanced datasets
Yu, Ting - Debenham, John - Jan, Tony - Simoff, Simeon

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	In cases of extremely imbalanced dataset with high dimensions, standard machine learning techniques tend to be overwhelmed by the large classes. This paper rebalances skewed datasets by compressing the majority class. This approach combines Vector Quantization and Support Vector Machine…
Fecha:	2012-11-08
Recurso:	Unversidad Nacional de La Plata

Recurso libre

11.

The impact of exchange rate volatility on Brazilian manufactured exports
Aguirre, Antonio - Ferreira, Afonso - Notini, Hilton

Formato:	Articulo, Articulo
Enlaces:	El objetivo de este artículo es examinar la relación existente entre la volatilidad de la tasa de cambio y el volumen de exportaciones, usando datos brasileños. Después de establecer la existencia de cointegración entre las variables incluidas en nuestro modelo,…
Fecha:	2009-08-03
Recurso:	Unversidad Nacional de La Plata

Recurso libre

12.

Agricultural supply response in the Argentinean economy
Herrou-Aragón, Alberto

Formato:	Articulo, Articulo
Enlaces:	Este trabajo tiene como objetivo estimar la forma reducida de una función de oferta agropecuaria de la economía argentina en el marco de un modelo de equilibrio general. Los resultados de la estimación de la oferta agropecuaria con datos que…
Fecha:	2009-08-03
Recurso:	Unversidad Nacional de La Plata

Recurso libre

13.

International trade transmission channel of a local crisis: a simple model
Cerdeiro, Diego - Wirkierman, Ariel

Formato:	Articulo, Articulo
Enlaces:	Proponemos un modelo de interdependencia general lineal para la economía mundial, y utilizamos datos de la División Estadística de las Naciones Unidas para estimar sus parámetros. Esto nos permite evaluar la propagación de un shock exógeno a los gastos autónomos…
Fecha:	2009-08-03
Recurso:	Unversidad Nacional de La Plata

Recurso libre

14.

Classifying groupware tools to improve communication in geographically distributed elicitation
Martín, Adriana - Martinez, Claudia - Martínez Carod, Nadina - Aranda, Gabriela N. - Cechich, Alejandra

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	In a scene where stakeholders are geographically distributed, communication presents new challenges for research areas. Considering the characteristics of interpersonal communication and the virtual area where it is carried out, the importance of applying interdisciplinary approaches, such as Cognitive Engineering,…
Fecha:	2012-10-22
Recurso:	Unversidad Nacional de La Plata

Recurso libre

15.

High quality nutrition in childhood, body size and wages in early adulthood: evidence from Guatemalan workers
Calderón, María Cecilia

Formato:	Articulo, Articulo
Enlaces:	Causalidad entre salud y productividad no resulta directa de establecer. Por un lado, mayores ingresos pueden trasladarse en una dieta de mejor calidad. Por el otro, es probable que un trabajador saludable sea más productivo. Este trabajo analiza el efecto…
Fecha:	2009-08-03
Recurso:	Unversidad Nacional de La Plata

Recurso libre

16.

Gender gaps in unemployment rates in Argentina
Ortega Masagué, Ana Carolina

Formato:	Articulo, Articulo
Enlaces:	Utilizando datos de la Encuesta de Hogares para el periodo 1995-2001, se estudian los factores que explican el diferencial entre las tasas de desempleo de hombres y mujeres en Argentina. Se encuentra que este diferencial viene explicado no por diferencias…
Fecha:	2009-08-04
Recurso:	Unversidad Nacional de La Plata

Recurso libre

17.

Tower generic data processing
Necco, Claudia Mónica - Nuno Olivera, J.

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Many aspects of data processing are functional in nature and can take advantage of recent developments in the area of functional programming and calculi. The work described in this paper is an attempt to contribute to this line of thought,…
Fecha:	2012-10-29
Recurso:	Unversidad Nacional de La Plata