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Aproximadamente 39 registro(s) hasta el momento: (knowledge)

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Recurso libre

Webexpert – tool for knowledge acquisition by web
Fernandes, Anita Ma. da Rocha - Nascimento, Raphael Luiz

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Knowledge acquisition for systems based on knowledge can be called knowledge engineering, according to Feigenbaum (1980) who used the term to describe the reduction of a wide context of knowledge for a set of facts and rules. The term Knowledge…
Fecha:	2012-10-09
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Inserting problem-specific knowledge in multirecombined evolutionary algorithms
Pandolfi, Daniel - San Pedro, María Eugenia de - Villagra, Andrea - Vilanova, Gabriela - Gallard, Raúl Hector

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	In the restricted single-machine common due date problem the goal is to find a schedule for the n jobs which jointly minimizes the sum of earliness and tardiness penalties, while for the weighted tardiness problem the goal is to find…
Fecha:	2012-10-09
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Precompiled knowledge support for dynamic argumentation
Capobianco, Marcela - Chesñevar, Carlos Iván - Simari, Guillermo Ricardo

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Argumentative formalisms have been widely recognized as knowledge representation and reasoning tools able to deal with incomplete and potentially contradictory informa- tion. All such formalisms are computationally demanding. Hence, optimizing argumen- tative systems has been approached from di erent views.
Fecha:	2012-10-29
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Inted: an intelligent tool for designing highly effective instructional environments
Sierra, Enrique Ariel - Fernández, Roberto Daniel - Monte, Gustavo E. - Nolly, Oscar

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Instruction may be seen as the intentional creation of conditions around learning so as to facilitate the achievement of determined goals. Normally, instruction is based upon certain educational strategies. It is well accepted in the field of educational technology that…
Fecha:	2012-10-26
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Inserting knowledge in multirecombined evolutionary algorithms for the flow shop scheduling problem
Villagra, Andrea - Vilanova, G. - Pandolfi, Daniel - San Pedro, María Eugenia de - Gallard, Raúl Hector

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Determining an optimal schedule to minimize the completion time of the last job abandoning the system (makespan) becomes a very difficult problem when there are more than two machines in the flow shop. Due both to its economical impact and…
Fecha:	2012-10-26
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Agent for information source location in a dynamic DSS
Mozzati, Carlos - Taverna, María Laura - Caliusco, María Laura - Chiotti, Omar Juan Alfredo - Galli, Ma. Rosa

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Inside an organization there is information that can only be generated by people, then, when a decision maker in any time and anywhere of an organization requires this information, he/she has to solicit it to who has the ability of…
Fecha:	2012-10-29
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Adding problem-specific knowledge in evolutionary algorithms to solve W-T scheduling problems
San Pedro, María Eugenia de - Pandolfi, Daniel - Villagra, Andrea - Lasso, Marta - Vilanova, G. - Gallard, Raúl Hector

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	In a production system it is usual to stress minimum tardiness to achieve higher client satisfaction. According to the client relevance, job processing costs and requirements, and various other considerations, a weight is assigned to each job. An important, non-trivial,…
Fecha:	2012-10-29
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Specifying quality characteristics and attributes for E-Learning sites
Covella, Guillermo Juan - Olsina Santos, Luis Antonio

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Education involves a continuous process of exploration, acquisition, organization, integration and delivery of information and knowledge. In recent years, e-learning sites and applications have exponentially started to grow, being a central phenomenon for the industry and education fields. Key factors…
Fecha:	2012-10-01
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Perception and enterprise communication networks to improve the requirements elicitation process
Luzuriaga, Juan Manuel - Martínez, Rodolfo - Cechich, Alejandra

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The requirements elicitation phase of software development projects is characterised by the intensity and importance of communication activities. Requirements elicitation is a traditional exploratory phase in which context is analysed and an abstraction is performed as a consequence. However, exploratory…
Fecha:	2012-10-02
Recurso:	Unversidad Nacional de La Plata

Recurso libre

10.

Towards a model of software development process for a physically distributed environment
Audy, Jorge Luis Nicolas - Prikladnicki, Rafael

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The goal of this article is to present the first results of a study looking forward to propose a model of software development for a physically distributed environment (United States and Brazil). Thus, the objective is to combine empirical and…
Fecha:	2012-10-26
Recurso:	Unversidad Nacional de La Plata

Recurso libre

11.

Representing generalization relationships in logic programming
Fillottrani, Pablo Rubén

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Modeling is one of the most important activities throughout any software development life cycle. Within object-oriented modeling, class generalization is a powerful, yet simple concept for abstracting commonalities between classes. Although, as classes evolved in the model, their semantics may…
Fecha:	2012-10-29
Recurso:	Unversidad Nacional de La Plata

Recurso libre

12.

Dialoguing DeLP-based agents
Martínez, Diego C. - García, Alejandro Javier

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	A multi-agent system is made up of multiple interacting autonomous agents. It can be viewed as a society in which each agent performs its activity cooperating to achieve common goals, or competing for them. They establish dialogues via some kind…
Fecha:	2012-10-29
Recurso:	Unversidad Nacional de La Plata

Recurso libre

13.

Using defeasible argumentation in progression and regression planning
Simari, Guillermo Ricardo - García, Alejandro Javier

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The aim of this work is to study an argumentation-based formalism that an agent could use for constructing plans. Elsewhere we have introduced a formalism for agents to represent knowledge about their environment in Defeasible Logic Programming, and a set…
Fecha:	2012-10-29
Recurso:	Unversidad Nacional de La Plata

Recurso libre

14.

Data mining use for learning process design of an information source locator agent
Böhm, Christian - Galli, María Rosa - Chiotti, Omar Juan Alfredo

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The aim of this work is to present a data mining application to software engineering. We describe the use of data mining in some parts of the design process of a dynamic decision support system agent-based architecture. The main function…
Fecha:	2012-10-29
Recurso:	Unversidad Nacional de La Plata

Recurso libre

15.

El adolescente frente al conocimiento
Compagnucci, Elsa Rosa - Cardós, Paula Daniela - Denegri, Adriana - Barboza, Cecilia

Formato:	Articulo, Articulo
Enlaces:	El presente trabajo aborda el conocimiento; relaciones, representaciones y valoraciones que alumnos y docentes realizan en el contexto de la cotidianeidad escolar, integrando el proyecto de investigación "Adolescencia y Escuela" que se viene implementando desde 1995, en la cátedra Fundamentos…
Fecha:	2009-09-17
Recurso:	Unversidad Nacional de La Plata

Recurso libre

16.

Project line: formally specifying the domain of balanced scorecard
Montejano, Germán Antonio - Uzal, Roberto - Riesco, Daniel Eduardo - Dasso, Aristides - Funes, Ana

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	In today’s world, in both the public or private organizations, there exists the problem that the organizations have to create value, are changing, but the tools to measure them are not. On the other hand, in the current economy, the…
Fecha:	2012-10-02
Recurso:	Unversidad Nacional de La Plata

Recurso libre

17.

Multirecombining random and seed immigrants in evolutionary algorithms to face the shop scheduling problem
Vilanova, Gabriela - Villagra, Andrea - Pandolfi, Daniel - San Pedro, María Eugenia de - Gallard, Raúl Hector

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	In an m-machines n-jobs flow-shop sequencing problem each job consists of m operations and each operation requires a different machine, so n jobs have to be processed in the same sequence on m machines. The processing time of each job…
Fecha:	2012-10-09
Recurso:	Unversidad Nacional de La Plata

Recurso libre

18.

Características de las variaciones freáticas en un área del Noreste de la Provincia de Buenos Aires
Laurencena, Patricia - Varela, L. - Kruse, Eduardo - Rojo, Adolfo - Deluchi, Marta

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	El Noreste de la provincia de Buenos Aires corresponde a un ambiente llano con pendientes muy bajas, donde tienen gran relevancia los movimientos verticales del agua, resultando de especial interés los procesos de recarga ya que constituyen la principal fuente…
Fecha:	2013-05-06
Recurso:	Unversidad Nacional de La Plata

Recurso libre

19.

Revisions of orders in dynamic systems
Falappa, Marcelo Alejandro - Simari, Patricio D.

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Current reasoning systems attempt to model an agent's knowledge and interaction with its environment in a symbolic manner. This environment, its world is generally dynamic and changing due to natural evolution or the actions of other agents that are a…
Fecha:	2012-09-27
Recurso:	Unversidad Nacional de La Plata

Recurso libre

20.

The quintuple way: cognitive strategies-transformation strategies
Labourdette, Sergio

Formato:	Articulo, Articulo
Enlaces:	In this work five different ways of intervention, strategically articulated, on the social world, are established. And it includes two approaches regarding the realm of knowledge and that of social change. In the second approach, five basic categories are proposed:…
Fecha:	2012-03-26
Recurso:	Unversidad Nacional de La Plata

Recurso libre

21.

El uso de repositorios y su importancia para la educación en Ingeniería
Texier, José - De Giusti, Marisa Raquel - Oviedo, Néstor - Villarreal, Gonzalo Luján - Lira, Ariel Jorge

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Los repositorios institucionales son depósitos de archivos digitales de diferentes tipologías para accederlos, difundirlos y preservarlos. Este artículo tiene como propósito explicar la importancia de los repositorios en el ámbito académico de la Ingeniería como una manera de democratizar el…
Fecha:	2012-10-25
Recurso:	Unversidad Nacional de La Plata

Recurso libre

22.

Constraints to Uranus' Great Collision III: The Origin of the Outer Satellites
Brunini, Andrea - Parisi, M. Gabriela - Tancredi, G.

Formato:	Articulo, Articulo
Enlaces:	The theory of satellite loss resulting from a giant impact on Uranus (Parisi and Brunini 1997, Planet. Space Sci. 45, 181–187) is revisited, in the light of the discovery of its five outer moons (Gladman et al. 1998, Nature 392,…
Fecha:	2010-10-20
Recurso:	Unversidad Nacional de La Plata

Recurso libre

23.

Identification of important news for exchange rate modeling
Zhang, Debbie - Simoff, Simeon - Debenham, John

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Associating the pattern in text data with the pattern with time series data is a novel task. In this paper, an approach that utilizes the features of the time series data and domain knowledge is proposed and used to identify…
Fecha:	2012-11-09
Recurso:	Unversidad Nacional de La Plata

Recurso libre

24.

Terapia antioxidante en la infección por el Virus de la Inmunodeficiencia Humana, Antioxidant therapy in human immunodeficiency virus-infection
Gil del Valle, Lizette - Reyes, Alicia Tarinas - Martínez Sánchez, Gregorio - Fernández Olga Sonia León

Formato:	Articulo, Articulo
Enlaces:	El estrés oxidativo juega un papel importante como cofactor en la patogénesis del virus de la inmunodeficiencia humana (VIH). Los individuos infectados con VIH desarrollan además deficiencia en micronutrientes antioxidantes que recrudecen aún más el estado redox. En la era…
Fecha:	2004-07-16
Recurso:	Unversidad Nacional de La Plata

Recurso libre

25.

Relación entre porosidad y propiedades mecánicas en tracción de aleaciones de aluminio de moldeo, Relation between porosity and mechanical properties in tension of cast aluminium alloys. A critical review
Cuyás, Julio César - Mugica, Gustavo W. - Tovio, Daniel O. - González, Alfredo Carlos

Formato:	Articulo, Articulo
Enlaces:	Este articulo revisa sintéticamente algunos trabajos y analiza resultados preliminares propios, dando a conocer el estado actual del conocimiento en relación con el grado de repercusión de la porosidad sabre las propiedades mecánicas en tracción. El análisis se ha realizado…
Fecha:	2013-09-03
Recurso:	Unversidad Nacional de La Plata

Recurso libre

26.

Evaluation of the antioxidant and phototoxic potentials of Bauhinia microstachya var. massambabensis Vaz leaf extracts
Mansur, Maria Cristina.P.P.R. - Leitão, Susana G. - Lima, Luis M.T.R. - Ricci-Júnior, Eduardo - Souza, Gabriela R. de - Barbi, Nancy dos S. - Martins, Tathiana S. - Dellamora Ortiz, Gisela M. - Leo, Rodrigo R. T. - Vieira, Ricardo C. - Leitão, Gilda G. - Santos, Elizabete P.

Formato:	Articulo, Articulo
Enlaces:	Four different leaf extracts of B. microstachya var. massambabensis were studied to evaluate their antioxidant capacity by using three in vitro methods, with Ginkgo biloba and Trolox® as the standards. With the DPPH and ABTS·+ methods, the antioxidant activity of…
Fecha:	2012-05-11
Recurso:	Unversidad Nacional de La Plata

Recurso libre

27.

Abordagem etnobotânica acerca do uso de plantas medicinais na Vila Cachoeira, Ilhéus, Bahia, Brasil, Ethnobotanical approach on the use of medicinal plants in Vila Cachoeira, Ilhéus, Bahia, Brasil
Moreira, Rita de Cássia Teixeira - Costa, Larissa Corrêa do Bomfim - Costa, Renata Cristina Silva - Rocha, Emerson Antônio

Formato:	Articulo, Articulo
Enlaces:	Este trabalho foi conduzido na Comunidade de Vila Cachoeira, município de Ilhéus, Bahia, no período de setembro de 2000 à maio de 2001, tendo como objetivo analisar o resgate do conhecimento da comunidade sobre o uso de plantas medicinais. Foram…
Fecha:	2004-05-28
Recurso:	Unversidad Nacional de La Plata

Recurso libre

28.

Fitofármacos en la atención primaria de la salud: disponibilidad y uso, Phytopharmaceutical drugs in primary care: disponibility and use
Rodríguez Rivas, Migdalia - López Guerra, Regla Lisbel - Casas Blanco, José Carlos

Formato:	Articulo, Articulo
Enlaces:	Las plantas medicinales y sus preparaciones farmacéuticas tienen cada vez mayor aceptación por parte del personal de salud y de la población en general. Su utilización se concentra fundamentalmente en la Atención Primaria de Salud, donde contribuyen a resolver muchos…
Fecha:	2004-07-20
Recurso:	Unversidad Nacional de La Plata

Recurso libre

29.

Evaluation of study competence in pupils between 12-14 years old
Rial Sánchez, Raquel - Couce Santalla, Ana I. - Sobrado Fernández, Luis M.

Formato:	Articulo, Articulo
Enlaces:	There are three main study areas of guidance needs for pupils in Compulsory Secondary Education (CSE) which are academic development, personal and social development and the area of professional career. The area of academic development is where the knowledge to…
Fecha:	2012-03-26
Recurso:	Unversidad Nacional de La Plata

Recurso libre

30.

Finite Presheaf categories as a nice setting for doing generic programming
Menni, Matías

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The purpose of this paper is to describe how some theorems about constructions in categories can be seen as a way of doing generic programming. No prior knowledge of category theory is required to understand the paper. We explore the…
Fecha:	2012-11-09
Recurso:	Unversidad Nacional de La Plata

Recurso libre

31.

Becoming a person from Mbya Guarani perspective (Misiones Province, Argentina)
Remorini, Carolina

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The aim of this paper is to describe and discuss some results from an ethnographic research on Argentinian Mbya communities focused on representations and practices related to childrearing and development during the first stages of life course. Firstly, I describe…
Fecha:	2012-02-22
Recurso:	Unversidad Nacional de La Plata

Recurso libre

32.

La rabia urbana en la provincia de Buenos Aires, Argentina: origen-evolución-actualidad, The urban rabies in the province of Buenos Aires, Argentina: origin-evolution-present times
Amasino, Carlos F. - Garbi, C. J. - Amasino, M. F.

Formato:	Articulo, Revision
Enlaces:	La rabia es una enfermedad infecciosa, zoonótica, caracterizada por alteraciones del sistema nervioso, producida por el virus de la rabia, perteneciente al Género Lyssavirus de la Familia Rhabdoviridae. Es habitualmente transmitida por la mordedura de un animal rabioso que elimina…
Fecha:	2009-05-28
Recurso:	Unversidad Nacional de La Plata

Recurso libre

33.

Dynamic comunication mechanism of a distributed DSS: the information retrieval process of the router agent
Stegmayer, Georgina - Taverna, María Laura - Chiotti, Omar Juan Alfredo - Galli, María Rosa

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	We have developed a distributed DSS able to work in a dynamic way. This system is based on the use of mobile agents, which receive the user's queries and visit the DSS domains gathering the required information. One of the…
Fecha:	2012-11-06
Recurso:	Unversidad Nacional de La Plata

Recurso libre

34.

Contrasting termination criteria for genetic algorithms
Bermúdez, Carlos - Alfonso, Hugo - Gallard, Raúl Hector

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	To find a good termination criterion for genetic algorithms is a difficult and frequently ignored task. In most instances the practitioner stops the algorittm after a predefined number of generations or function evaluations. How this number is established? This stop…
Fecha:	2012-10-10
Recurso:	Unversidad Nacional de La Plata

Recurso libre

35.

Sobre la negación y la inferencia no monótona en la programación en lógica
Fillottrani, Pablo Rubén

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Dentro del lenguaje de la Programación en Lógica tradicional, el operador de negación por falla "not" ha sido empleado tanto para representar información negativa como para proveer el fundamento básico de inferencias no monótonas. En este trabajo se analiza este…
Fecha:	2012-11-05
Recurso:	Unversidad Nacional de La Plata

Recurso libre

36.

A cognitive model of user interaction as a guideline for designing novel interfaces
Aguilera, Felipe - Alarcón, Rosa A. - Guerrero, Luis A. - Collazos, Cesar A.

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Adaptive systems behavior based on user models appear promising, mostly for complex environments such as mixed reality environments (MRE). An MRE comprises a virtual representation of the reality as well as physical objects augmented with virtual features. These objects are…
Fecha:	2012-11-12
Recurso:	Unversidad Nacional de La Plata

Recurso libre

37.

Algunos resultados experimentales de la integración de agrupamiento e inducción como método de descubrimiento de conocimiento
Kogan, A. - Rancan, Claudio - Britos, Paola Verónica - Pesado, Patricia - García Martínez, Ramón

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	El descubrimiento de conocimiento (KD Knowledge Discovery) consiste en la búsqueda de patrones interesantes y de regularidades importantes en grandes bases de información [Holsheimer y Siebes, 1991; Piatetski-Shapiro et al., 1991]. Al hablar de descubrimiento de conocimiento basado en sistemas…
Fecha:	2012-08-24
Recurso:	Unversidad Nacional de La Plata

Recurso libre

38.

Normalización de información de servicios requeridos para Sistemas de Información Geográficos
Saldaño, Viviana E.

Formato:	Tesis, Tesis de maestria
Enlaces:	La amplia difusión del proceso de desarrollo basado en componentes, en particular en el dominio de aplicaciones geográficas, ha generado el surgimiento de una gran cantidad y variedad de componentes software orientados a satisfacer las necesidades de los desarrolladores. En…
Fecha:	2013-03-21
Recurso:	Unversidad Nacional de La Plata

Recurso libre

39.

Fitoperifiton de un lago somero y su relación con los estados de biequilibrio
Cano, María Gabriela

Formato:	Tesis, Tesis de doctorado
Enlaces:	The role of communities associated to a substrate as fundamental components of an aquatic system has been recognized by many authors. Although periphyton has been considered of great importance in shallow lakes, its inclusion in different ecological models has been…
Fecha:	2013-07-03
Recurso:	Unversidad Nacional de La Plata