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Aproximadamente 45 registro(s) hasta el momento: (knowledge)

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Recurso libre

A layered architecture using schematic plans for controlling mobile robots
Tucat, Mariano - Gottifredi, Sebastián - Vidaurreta, Federico - García, Alejandro Javier - Simari, Guillermo Ricardo

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Robotic soccer is a way of putting different developments in intelligent agents into practice, including not only problems such as multi-agent planning and coordination, but also physical problems related to vision and communication subsystems. In this work, we present the…
Fecha:	2012-09-28
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Toward integration of knowledge based systems and knowledge discovery systems
Rancan, Claudio - Pesado, Patricia - García-Martínez, Ramón

Formato:	Articulo, Articulo
Enlaces:	This paper presents a proposal for an architecture that integrates knowledge discovery systems (automatic acquisition) and knowledge based systems (experts systems). This work formulates considerations over the viability of the implementation of this architecture according to the advance of the…
Fecha:	2008-05-21
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Computing support for problem solving in virtual communities of practice
Casalini, María Clara - Estevez, Elsa Clara - Janowski, Thomas

Formato:	Articulo, Articulo
Enlaces:	The paper presents a formal model for a knowledge repository shared by members of a Virtual Community of Practice (VCPs), describes how the repository can be used to underpin collaborative problem solving, and how to build computer support for such…
Fecha:	2008-05-21
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Collaboration through deliberative dialogues
Rueda, Sonia Vivian - García, Alejandro Javier - Simari, Guillermo Ricardo

Formato:	Articulo, Articulo
Enlaces:	In a multi-agent system, a group of individ- uals interact in a social context in order to boost their capabilities and enhance global per- formance. Each individual's action repertoire may be reduced, but it's social capability allows it to interact…
Fecha:	2008-09-11
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Computer networks. A top-down approach featuring Internet, second edition, Redes de Computadores – Un enfoque descendente basado en Internet. Segunda edición
López, Ricardo A.

Formato:	Articulo, Revision
Enlaces:	The book is intended to be used in an introductory and intermediate level course on computer networks, both whitin Computer Science and Electric Engineering scopes. One of its characteristics is that the entire research software is presented in Java, but…
Fecha:	2008-10-14
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Caracterización físico-mecánica e interacciones con excipientes del D-003, una mezcla de ácidos grasos aislados de la cera de la caña de azúcar, Physico-mechanical characterization and interactions with excipients of D-003, a mixture of fatty acids isolated from sugar cane wax
Uribarri Hernández, Evangelina - González Lago, Mayra - Martínez Álvarez, Luis - Marrero Delange, David - Medina, Miriam Cora - Méndez Antolín, Ernesto - Laguna Granja, Abilio - González Canavaciolo, Víctor L.

Formato:	Articulo, Articulo
Enlaces:	El D-003 es un nuevo producto que consiste en una mezcla de ácidos grasos de elevado peso molecular (desde C24:0 hasta C36:0), donde cada uno de ellos está en una proporción reproducible. Este producto presenta efectos antiplaquetarios y como reductor…
Fecha:	2008-12-12
Recurso:	Unversidad Nacional de La Plata

Recurso libre

ISKRM: an implicit simple knowledge representation model
Latorres, Enrique P.

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	There exists a large amount of knowledge representation models. But most of them have significant limitations at the epistemic level. They do not have explanatory power. Most of them do not have means to represent some functional needs to work…
Fecha:	2012-10-24
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Belief revision and relevance
Falappa, Marcelo Alejandro - Maguitman, Ana Gabriela

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The aim of this work is to relate two apparently independent concepts as belief revision and relevance. We propose a formal characterization for the notion of (ir)relevance by means of a set of postulates. Then we define (ir)relevance using change…
Fecha:	2012-10-11
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Agent programming using defeasible argumentation for knowledgerepresentation and reasoning
Gottifredi, Sebastián - Simari, Guillermo Ricardo - García, Alejandro Javier

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	In this work two declarative approaches based on the BDI theory are studied, an agent programming language 3APL and an agent architecture that uses defeasible argumentation for knowledge representation and reasoning. Based on that study and considering that in 3APL…
Fecha:	2012-11-01
Recurso:	Unversidad Nacional de La Plata

Recurso libre

10.

Developing a Repository of Knowledge for virtual communities with semantic web technologies
Casalini, María Clara - Estevez, Elsa Clara - Fillottrani, Pablo Rubén

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The appearance and continuous growth of virtual communities on the web imposes the challenge of coping with the large amount of information and knowledge these communities produce. The Semantic Web with its set of standards and technologies provides the basic…
Fecha:	2012-09-28
Recurso:	Unversidad Nacional de La Plata

Recurso libre

11.

The development of professor's professional knowledge in Psychology
Cardós, Paula Daniela - Compagnucci, Elsa Rosa

Formato:	Articulo, Comunicacion
Enlaces:	This work belongs to the Project "Teaching and learning Psychology: a study of the educational practice in professors and beginners". It is part of an investigation program developed in the context of the subject "Didactic and Practical Planning of Psychology…
Fecha:	2012-03-28
Recurso:	Unversidad Nacional de La Plata

Recurso libre

12.

Impact of lifelong e-learning
Andresen, Bent B.

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	This paper deals with lifelong learning. Based on a three-year case study it provides evidence of innovations in this area. The paper aims to add to the body of work in blended learning by providing evidence of knowledge, persuasion, decision,…
Fecha:	2012-11-15
Recurso:	Unversidad Nacional de La Plata

Recurso libre

13.

Applying new educational models in ICT teaching and learning
Cantú, Evando - Farines, Jean Marie

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	This paper presents a group of elements to improve the teaching and learning in technological education, applied to Information and Communication Technologies (ICT). These elements are based on some contributions issued from contemporary education models, namely, the thematic approach, meaningful…
Fecha:	2012-11-16
Recurso:	Unversidad Nacional de La Plata

Recurso libre

14.

SeDiCI (Intellectual Creation Diffusion Service)
De Giusti, Marisa Raquel - Sobrado, Ariel - Vila, María Marta - Villarreal, Gonzalo Lujan - Lira, Ariel Jorge

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The Intellectual Creation Diffusion Service (SeDiCi) of the UNLP was created with the main objective of communicating to the society all the knowledge acquired in different academic fields of our university. This is how we can return all the efforts…
Fecha:	2007-11-29
Recurso:	Unversidad Nacional de La Plata

Recurso libre

15.

A general approach to the implementation of action theories
Simari, Guillermo Ricardo - García, Diego R. - Filocamo, Gabriel R.

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Much effort has been dedicated to provide a general model of agents working in complex environments. This research focuses on the high level cognition used in determining the behavior of the agent. The language of the Situation Calculus represents a…
Fecha:	2012-09-25
Recurso:	Unversidad Nacional de La Plata

Recurso libre

16.

Comparison of SVM and some older classification algorithms in text classification tasks
Colas, Fabrice - Brazdil, Pavel

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Document classification has already been widely studied. In fact, some studies compared feature selection techniques or feature space transformation whereas some others compared the performance of different algorithms. Recently, following the rising interest towards the Support Vector Machine, various studies…
Fecha:	2012-11-08
Recurso:	Unversidad Nacional de La Plata

Recurso libre

17.

Ontologies for the semantic web
Vallés, María Clara - Fillottrani, Pablo Rubén

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The Semantic Web attempts to reach a state in the future where everything on the Web will no longer be only machine-readable, but also machine-understandable. An ontology is an explicit specification of a conceptualization. A conceptualization is an abstract, simplified…
Fecha:	2012-09-07
Recurso:	Unversidad Nacional de La Plata

Recurso libre

18.

Automated reasoning in a collaborative problem solving process
Casalini, María Clara - Simari, Guillermo Ricardo

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Collaborative systems are becoming a widely used tool particularly among professional communities and research groups. They provide a suitable context for distributed people working on the same subject to concentrate their work in a shared place to which everyone has…
Fecha:	2012-09-27
Recurso:	Unversidad Nacional de La Plata

Recurso libre

19.

An approach to knowledge assessment in an Intelligent Tutoring System
Huapaya, Constanza - Lizarralde, Francisco - Arona, Graciela - Vivas, Jorge

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	In this paper, we present an approach to student's evaluation in a well-defined domain based on a semantic network. A similarity matrix based on the semantic memory structure of humans is used to build a semantic distance model in order…
Fecha:	2012-10-04
Recurso:	Unversidad Nacional de La Plata

Recurso libre

20.

A first approach to abductive defeasible logic programming: formalization and properties
Gómez Lucero, Mauro J. - García, Alejandro Javier - Chesñevar, Carlos Iván - Simari, Guillermo Ricardo

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	This article presents the confluence of two general ideas: Defeasible Logic Programming (DeLP, an argumentation based formalism for representing knowledge and reasoning) and Abduction in logic. In first place, we introduce a framework that formally states the problem of doing…
Fecha:	2012-11-02
Recurso:	Unversidad Nacional de La Plata

Recurso libre

21.

Towards a comparison criteria for CDeLP
Cobo, María Laura - Simari, Guillermo Ricardo

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The development of systems with the ability to reason about change notion and actions has been of great importance for the artificial intelligence community. The definition and implementation of systems capable of managing defeasible, incomplete, unreliable, or uncertain information has…
Fecha:	2012-10-29
Recurso:	Unversidad Nacional de La Plata

Recurso libre

22.

An comparative analysis of different models of belief revision using information from multiple sources
Tamargo, Luciano H. - Falappa, Marcelo Alejandro - García, Alejandro Javier

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	In this work we analyze the problem of knowledge representation in a collaborative multi-agent system where agents can obtain new information from others through communication. Namely, we analyze several approaches of belief revision in multi-agent systems. We will describe different…
Fecha:	2012-09-27
Recurso:	Unversidad Nacional de La Plata

Recurso libre

23.

Tableau calculi for description logics revision
Moguillansky, Martín O. - Falappa, Marcelo Alejandro

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Focusing on the Ontology Change problem, we consider an environment where Description Logics (DLs) are the logical formalization to express knowledge bases, and the integration of distributed ontologies is developed under new extensions and modifications of the Belief Revision theories…
Fecha:	2012-08-31
Recurso:	Unversidad Nacional de La Plata

Recurso libre

24.

Knowledge dynamics in a khepera robots’ application
Tamargo, Luciano H. - García, Alejandro Javier - Falappa, Marcelo Alejandro

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The theory change area have defined several operators trying to model the dynamic of knowledge. The goal of this work is to introduce a preprocessor of perceptions that could be part of an agent. The purpose of the preprocessor is…
Fecha:	2012-10-26
Recurso:	Unversidad Nacional de La Plata

Recurso libre

25.

Model contractions on description logics
Falappa, Marcelo Alejandro - Moguillansky, Martín O.

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	When using tableaux algorithms to reason about Description Logics (DLs), new information is inferred from the models considered while trying to achieve knowledge satisfiability. By focusing the ontology change problem, we consider an environment where DLs are the logical formalization…
Fecha:	2012-11-02
Recurso:	Unversidad Nacional de La Plata

Recurso libre

26.

Construction of a taxonomy for requirements engineering commercial-off-the-shelf components
Ayala, Claudia - Botella, Pere - Franch, Xavier

Formato:	Articulo, Articulo
Enlaces:	This article presents a procedure for constructing a taxonomy of COTS products in the field of Requirements Engineering (RE). The taxonomy and the obtained information reach transcendental benefits to the selection of systems and tools that aid to RE-related actors…
Fecha:	2008-05-23
Recurso:	Unversidad Nacional de La Plata

Recurso libre

27.

Software projects effort estimation using “use case points” method in the context of Project Management Body of Knowledge
Montejano, Germán Antonio - Uzal, Roberto - Riesco, Daniel Eduardo - Debnath, Narayan C.

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	As a contribution to consider software projects to be risk investments, it is important the full standardization of either the planning methodology (as a subset of project management methodology) and the effort estimation method. We think there is important and…
Fecha:	2012-10-05
Recurso:	Unversidad Nacional de La Plata

Recurso libre

28.

SeDiCI | Servicio de Difusión de la Creación Intelectual (Intellectual Creativity Diffusion Service)
De Giusti, Marisa Raquel - Villarreal, Gonzalo Luján - Sobrado, Ariel - Lira, Ariel Jorge - Vila, María Marta

Formato:	Articulo, Preprint
Enlaces:	Universidad Nacional de La Plata (UNLP) Intellectual Creativity Diffusion Service (SeDiCI) was formed mainly to publicise the knowledge acquired at the different academic areas of our university, having the goal of restoring to the community the efforts expended on public…
Fecha:	2009-03-26
Recurso:	Unversidad Nacional de La Plata

Recurso libre

29.

Test of distributed applications migration to Web environments
Ciolli, María Elena

Formato:	Articulo, Revision
Enlaces:	This essay is based on a previous “regression” testing knowledge, black box testing and user graphic interfaces testing. Besides, due to the fact that the testing life cycle is inside the software life cycle, the suggested focus promotes existing test…
Fecha:	2011-08-31
Recurso:	Unversidad Nacional de La Plata

Recurso libre

30.

SeDiCI (Intellectual Creation Diffusion Service)
De Giusti, Marisa Raquel

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The Intellectual Creation Diffusion Service (SeDiCI) of the UNLP was created with the main objective of communicating to the society all the knowledge acquired in different academic fields of our university. This is how we can return all the efforts…
Fecha:	2007-11-29
Recurso:	Unversidad Nacional de La Plata

Recurso libre

31.

Handling inconsistency on ontologies through a generalized dynamic argumentation framework
Moguillansky, Martín O. - Rotstein, Nicolás D. - Falappa, Marcelo Alejandro

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	In this article we present a generalized dynamic argumentation framework that handles arguments expressed in an abstract language assumed to be some first order logic fragment. Once the formalism is presented, we propose a reification to the description logic ALC…
Fecha:	2012-09-27
Recurso:	Unversidad Nacional de La Plata

Recurso libre

32.

Greedy seeding procedure for GAs solving a strip packing problem
Salto, Carolina - Alba Torres, Enrique - Molina, J.M. - Leguizamón, Guillermo

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	In this paper, the two-dimensional strip packing problem with 3-stage level patterns is tackled using genetic algorithms (GAs). We evaluate the usefulness of a greedy seeding procedure for creating the initial population, incorporating problem knowledge. This is motivated by the…
Fecha:	2012-11-02
Recurso:	Unversidad Nacional de La Plata

Recurso libre

33.

Integration of web-based forms with ontologies in the semantic web
Gómez, Sergio Alejandro - Chesñevar, Carlos Iván - Simari, Guillermo Ricardo

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	La noción de formularios como una manera de organizar y presentar datos ha sido usada desde el comienzo de la World Wide Web. Los formularios web han evolucionado junto con el desarrollo de nuevos lenguajes de marcado, en los cuales…
Fecha:	2012-09-28
Recurso:	Unversidad Nacional de La Plata

Recurso libre

34.

Designing intelligent database systems through argumentation
Capobianco, Marcela - Chesñevar, Carlos Iván - García, Alejandro Javier - Simari, Guillermo Ricardo

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Information systems play an ever-increasing key role in our society. In particular, data intensive applications are in constant demand and there is need of computing environments with much more intelligent capabilities than those present in today’s Data-base Management Systems (DBMS).…
Fecha:	2012-09-05
Recurso:	Unversidad Nacional de La Plata

Recurso libre

35.

Pathways as "signatures in landscape": towards an ethnography of mobility among the Mbya-Guaraní (Northeastern Argentina)
Crivos, Marta - Martínez, María Rosa - Pochettino, María Lelia - Remorini, Carolina - Sy, Anahí - Teves, Laura Susana

Formato:	Articulo, Articulo
Enlaces:	Processes of spatial mobility among the Mbya are of interest in anthropological and ethnobiological studies, as these processes are related to transformations in the landscape and the environment. Despite this, ethnographic literature usually focuses itself on the mobility of Guaraní…
Fecha:	2013-09-27
Recurso:	Unversidad Nacional de La Plata

Recurso libre

36.

Defeasible decision making in a robotic environment
Ferretti, Edgardo - Errecalde, Marcelo Luis

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Decision making models for autonomous agents are recently receiving increased attention, particularly in the feld of intelligent robots. This work presents a Defeasible Logic Programming approach to decision making in an environment with single and multiple robots. We will show,…
Fecha:	2012-10-25
Recurso:	Unversidad Nacional de La Plata

Recurso libre

37.

A genetic based neuro-fuzzy controller for thermal processes
Goel, Ashok Kumar - Saxena Chandra, Suresh - Surekha, Bhanot

Formato:	Articulo, Articulo
Enlaces:	This paper presents a neuro-fuzzy network where all its parameters can be tuned simultaneously using Genetic Algorithms. The approach combines the merits of fuzzy logic theory, neural networks and genetic algorithms. The proposed neuro-fuzzy network does not require a priori…
Fecha:	2008-05-22
Recurso:	Unversidad Nacional de La Plata

Recurso libre

38.

Cyclic evolution: a new strategy for improving controllers obtained by layered evolution
Olivera, Javier Hugo - Lanzarini, Laura Cristina

Formato:	Articulo, Articulo
Enlaces:	Complex control tasks may be solved by dividing them into a more specific and more easily handled subtasks hierarchy. Several authors have demonstrated that the incremental layered evolution paradigm allows obtaining controllers capable of solving this type of tasks. In…
Fecha:	2008-05-23
Recurso:	Unversidad Nacional de La Plata

Recurso libre

39.

Cellular memetic algorithms
Alba, Enrique - Dorronsoro, Bernabé - Alfonso, Hugo

Formato:	Articulo, Articulo
Enlaces:	This work is focussed on the development and analysis of a new class of algorithms, called cellular memetic algorithms (cMAs), which will be evaluated here on the satisfiability problem (SAT). For describing a cMA, we study the effects of adding…
Fecha:	2008-05-23
Recurso:	Unversidad Nacional de La Plata

Recurso libre

40.

Learning object semantic description for enhancing reusability
Señas, Perla - Moroni, Norma

Formato:	Articulo, Articulo
Enlaces:	In the design of activities for Web-Based Education Systems, the concept of Didactic Object or Learning Object, has appeared as the axis of a new paradigm concerned with the reusability of contents and activities, due to its organization from a…
Fecha:	2008-05-26
Recurso:	Unversidad Nacional de La Plata

Recurso libre

41.

Optimizing constrained problems through a T-Cell artificial immune system
Aragón, Victoria S. - Esquivel, Susana Cecilia - Coello Coello, Carlos

Formato:	Articulo, Articulo
Enlaces:	In this paper, we present a new model of an artificial immune system (AIS), based on the process that suffers the T-Cell, it is called T-Cell Model. It is used for solving constrained (numerical) optimization problems. The model operates on…
Fecha:	2009-04-13
Recurso:	Unversidad Nacional de La Plata

Recurso libre

42.

Solving constrained optimization using a T-Cell artificial immune system
Aragón, Victoria S. - Esquivel, Susana Cecilia

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	In this paper, we present a novel model of an artificial immune system (AIS), based on the process that suffers the T-Cell. The proposed model is used for solving constrained (numerical) optimization problems. The model operates on three populations: Virgins,…
Fecha:	2012-10-26
Recurso:	Unversidad Nacional de La Plata

Recurso libre

43.

Adaptive Ttwo-phase spatial association rules mining method
Lee, Chin-Feng - Chen, Mei-Hsiu

Formato:	Articulo, Articulo
Enlaces:	Since huge amounts of spatial data can be easily collected from various applications, ranging from remote sensing technology to geographical information system, the extraction and comprehension of spatial knowledge is a more and more important task. Many excellent studies on…
Fecha:	2008-05-20
Recurso:	Unversidad Nacional de La Plata

Recurso libre

44.

Efectos del D-002 (Alcoholes de la cera de Abejas) sobre la peroxidación lipídica en sujetos de edad media y avanzada, Effects of D-002 (Beeswax Alcohols) on lipid peroxidation in middle-aged and older subjects
López, Ernesto - Illnait, José - Molina, Vivian - Oyárzabal, Ambar - Fernández, Lilia - Pérez, Yohani - Más, Rosa - Mesa, Meylis - Fernández, Julio - Gómez, Mainel - Jiménez, Sonia

Formato:	Articulo, Articulo
Enlaces:	El D-002 es una mezcla de alcoholes alifáticos primarios superiores (tetracosanol, hexacosanol, octacosanol, triacontanol, dotriacontanol, tetratriacontanol) purificada de la cera de abejas con efectos antioxidantes, cuyos efectos sobre los niveles plasmáticos de hidroperóxidos totales (OHPT) no habían sido investigados. Este…
Fecha:	2009-06-03
Recurso:	Unversidad Nacional de La Plata

Recurso libre

45.

Actitud de los operadores como un factor de riesgo en muestreo de plagas mediante trampas adhesivas, Attitude of operators as a factor of risk in pest sampling by sticky traps
López, María Virginia - Carrizo, Paola Irene

Formato:	Articulo, Articulo
Enlaces:	Las trampas adhesivas reducen el tiempo de trabajo y el operador sólo tiene que cambiarlas y llevar a cabo el recuento de insectos muertos. Pueden esperarse diferencias en los recuentos entre los operadores debido a un factor personal o "actitud"…
Fecha:	2011-03-03
Recurso:	Unversidad Nacional de La Plata