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Aproximadamente 43 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

Ontological evaluation in the knowledge based system
Bueno, Tânia C. D. - Hoeschl, Hugo Cesar - Cancellier, Fabricia - Bedin, Sonali

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	In the last few years, several studies have emphasized the use of ontologies as an alternative to organization of the information. The notion of ontology has become popular in fields such as intelligent information integration, information retrieval on the Internet,…
Fecha:	2012-11-15
Recurso:	Unversidad Nacional de La Plata

Recurso libre

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

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

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

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

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

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

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

10.

Argument exchange over the semantic web
Stankevicius, Alejandro G.

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The Semantic Web purports to give computeraccessible meaning to the content of the World Wide Web. The rationale behind this project is to create an environment where all this information could be freely exchanged among diverse entities, yet retaining its…
Fecha:	2012-09-11
Recurso:	Unversidad Nacional de La Plata

Recurso libre

11.

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

12.

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

13.

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

14.

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

15.

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

16.

Tracing MPI binaries for knowledge discovery
Grosclaude, Eduardo - Zanellato, Claudio - Zurita, Rafael - Castillo, Rodolfo del

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Our research project intends to build knowledge about HPC problems to be able to help local researchers. In the general case, researchers who consult us do not own the sources to the parallel programs they run. In order to advise…
Fecha:	2012-07-16
Recurso:	Unversidad Nacional de La Plata

Recurso libre

17.

A comparison between non-monotonic formalisms
Delladio, Telma - Rotstein, Nicolás D. - Simari, Guillermo Ricardo

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	It is interesting and important to compare, analyze and assess the alternative tools that could be used in the area of Knowledge Representation. In this paper we present a reasearch line associated to this goal: to formally establish the relation…
Fecha:	2012-09-11
Recurso:	Unversidad Nacional de La Plata

Recurso libre

18.

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

19.

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

20.

Medications used by pregnant women in primary health service
Medeiros, Ana C. D. - Palmeira, Ástrid C. - Simões, Mônica O. da S. - Souza, Cinthya M. P. de - Portela, Alyne da S. - Montenegro Neto, Asdrúbal N.

Formato:	Articulo, Articulo
Enlaces:	The study evaluates the use of medications by pregnant women attended at health centers in the city of Campina Grande-PB, Brazil. The sample consisted of 250 patients. The number of prescribed medications ranged from 1 to 5, folic acid and…
Fecha:	2011-06-23
Recurso:	Unversidad Nacional de La Plata

Recurso libre

21.

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

22.

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

23.

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

24.

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

25.

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

26.

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

27.

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

28.

Towards a semantics for argumentative systems
Stankevicius, Alejandro G. - Simari, Guillermo Ricardo

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Defeasible argumentation is one of the approaches that attempt to address the challenges arising when we reason defeasibly, with several formalisms in the literature reaching a mature state. Nowadays, several of them started shifting their semantics towards a dialectical characterization.…
Fecha:	2012-09-11
Recurso:	Unversidad Nacional de La Plata

Recurso libre

29.

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

30.

Design criteria for the development of an institutional learning object repository
Godoy, Roberto - Minni, Hugo - Zarza, Gonzalo - Loyarte, Horacio

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The production of educational contents in academic environments has been traditionally developed without an integral plan which allows their adequate distribution and access. In addition, it produces effort duplication and misuse of resources. As a possible solution, this work proposes…
Fecha:	2012-10-16
Recurso:	Unversidad Nacional de La Plata

Recurso libre

31.

SME access to credit in Guatemala and Nicaragua: challenging conventional wisdom with new evidence
Bebczuk, Ricardo Nestor

Formato:	Articulo, Documento de trabajo
Enlaces:	This paper develops a conceptual framework and offers new statistical evidence on the access to credit by micro, small, and medium enterprises (MSMEs) in Guatemala and Nicaragua. To this end, and after reviewing the existing literature on the topic, it…
Fecha:	2010-06-11
Recurso:	Unversidad Nacional de La Plata

Recurso libre

32.

Darwinism and the molecular revolution
Salzano, Francisco M

Formato:	Articulo, Articulo
Enlaces:	The main characteristics of Darwin's life and work will be examined, as well as the developments which occurred after his death, especially neodarwinism and the synthetic theory of organic change. In which ways the extraordinary progress made in the field…
Fecha:	2005-06-13
Recurso:	Unversidad Nacional de La Plata

Recurso libre

33.

Discovering geographic services from textual use cases
Saldaño, Viviana E. - Buccella, Agustina - Cechich, Alejandra

Formato:	Articulo, Articulo
Enlaces:	Component Based Software Development (CBSD) relies upon utilization of previously developed software components OTS (Off-The-Shelf), which are appropriately merged to satisfy particular system requirements. However, wide acceptance of this paradigm at industry requires efficient component identification and selection, aspects which…
Fecha:	2010-06-14
Recurso:	Unversidad Nacional de La Plata

Recurso libre

34.

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

35.

Pensions and saving: new international panel data evidence
Bebczuk, Ricardo Nestor - Musalem, Alberto

Formato:	Articulo, Documento de trabajo
Enlaces:	This paper contributes to the empirical literature on pensions and saving by studying the influence of funded pension systems on the gross national saving rate using a sample of 48 developed and developing countries over the 1980-2004 period. To the…
Fecha:	2010-06-01
Recurso:	Unversidad Nacional de La Plata

Recurso libre

36.

Factor endowments, inequality, and paths of development among new world economies
Engerman, Stanley L. - Sokoloff, Kenneth L.

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Whereas traditional explanations of differences in long-run paths of development across the Americas generally point to the significance of differences in national heritage or religion, we highlight the relevance of stark contrasts in the degree of inequality in wealth, human…
Fecha:	2010-06-17
Recurso:	Unversidad Nacional de La Plata

Recurso libre

37.

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

Recurso libre

38.

Events, time and argumentative systems
Cobo, María Laura - Simari, Guillermo Ricardo

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The accomplishment of systems with abilities to reason about actions and change and systems that can manage incomplete or not very reliable information with abilities to discuss or argument has been of great importance for artificial intelligence community. These two…
Fecha:	2012-09-10
Recurso:	Unversidad Nacional de La Plata

Recurso libre

39.

Defining the structure of well-formed argumentation lines in abstract frameworks
Martínez, Diego C. - García, Alejandro Javier - Simari, Guillermo Ricardo

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The area of Knowledge Representation and Reasoning has been enriched during the past two decades with the addition of Argument-Based Reasoning Systems. Defeat between arguments is established by a combination of two basic elements: a conflict or defeat relation, and…
Fecha:	2012-09-11
Recurso:	Unversidad Nacional de La Plata

Recurso libre

40.

An approach for identifying design principles in argument systems
Capobianco, Marcela - Chesñevar, Carlos Iván - Simari, Guillermo Ricardo

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Artificial Intelligence deals with the challenge of modeling commonsense reasoning. In the last fifteen years argument-based systems have came forward to meet this challenge as knowledge representation and reasoning tools able to model incomplete and conflicting information. We believe that…
Fecha:	2012-09-11
Recurso:	Unversidad Nacional de La Plata

Recurso libre

41.

Logic modules for communicating distributed agents
Zunino, Alejandro - Amandi, Analía

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The development of isolated agents involves the manipulation of components such as actions, mental attitudes and decisions. Multi-agent systems have to deal with these components from different agents, without to forget the privacy and autonomy of each agent. For programming…
Fecha:	2012-10-11
Recurso:	Unversidad Nacional de La Plata

Recurso libre

42.

Biotecnología en la reproducción canina: una actualización, Biotechnology in canine reproduction: an update
Gobello, Cristina - Corrada, Yanina Alejandra

Formato:	Articulo, Revision
Enlaces:	Los estudios en biotecnología canina están menos desarrollados que en otras especies. Las gametas y la reproducción canina en general tienen características únicas comparadas con las de otros mamíferos lo que hace que la extrapolación de otras especies sea dificultosa.…
Fecha:	2009-06-01
Recurso:	Unversidad Nacional de La Plata

Recurso libre

43.

Using logic programs to model an agent's epistemic state
Capobianco, Marcela - Chesñevar, Carlos Iván

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The notion of rational agency was proposed by Russell [9] as an alternative characterization of intelligence agency. Loosely speaking, an agent is said to be rational if it perfomns the right actions according to the information it possesses and the…
Fecha:	2012-10-09
Recurso:	Unversidad Nacional de La Plata