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Aproximadamente 44 registro(s) hasta el momento: (knowledge)

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Recurso libre

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

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

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

Actions and arguments: preliminaries and examples
Simari, Guillermo Ricardo - García, Alejandro Javier

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The goal of this work involves the developing of an argumentation-based formalism that an agent could use for constructing plans. In this formalism, agents will have certain knowledge about the world, and a set of actions that they will be…
Fecha:	2012-10-31
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

An argumentative formalism for implementing rational agents
Capobianco, Marcela - Chesñevar, Carlos Iván - Simari, Guillermo Ricardo

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The design of intelligent agents is a key issue for many applications. Although there is no universally accepted de nition of intelligence, a notion of rational agency has been proposed as an alternative for the characterization of intelligent agency. Modeling…
Fecha:	2012-11-01
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

Tachymenis chilensis Schegel, 1837 (Reptilia: Squamata: Dipsadidae)
Ávila, Luciano Javier - Morando, Mariana - Belver, Luciana Cecilia

Formato:	Articulo, Articulo
Enlaces:	We present the first vouchered record from Chubut provincein Futaleufú Department. Suburbs of Esquel city, along Ruta Nacional 259 to Trevelin on El Pinar, Roberts Farm. This is the southernmost record for the species; to our knowledge the previous southernmost…
Fecha:	2012-12-26
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

10.

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

11.

A taxonomy for argumentative frameworks based on labelled deduction
Chesñevar, Carlos Iván

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Artificial Intelligence has long dealt with the issue of finding a suitable formalization for reasoning with incomplete and potentially inconsistent information. Defeasible argumentation [SL92,CML00,PraVre99] has proven to be a successful approach in many respects, since it naturally resembles many aspects…
Fecha:	2012-09-27
Recurso:	Unversidad Nacional de La Plata

Recurso libre

12.

Modeling argumentation with labeled deduction: formalization and theoretical considerations
Chesñevar, Carlos Iván - Simari, Guillermo Ricardo

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	In the last years there has been an increasing demand of a variety of logical systems, prompted mostly by applications of logic in AI, logic programming and other related areas. Labeled Deductive Systems (LDS) were developed as a °exible methodology…
Fecha:	2012-10-31
Recurso:	Unversidad Nacional de La Plata

Recurso libre

13.

Consequence operators for defeasible argumentation: characterization and logical properties
Chesñevar, Carlos Iván - Simari, Guillermo Ricardo

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Artificial Intelligence (AI) has long dealt with the issue of finding a suitable formalization for commonsense reasoning. Defeasible argumentation has proven to be a successful approach in many respects, proving to be a confluence point for many alternative logical frameworks.…
Fecha:	2012-10-31
Recurso:	Unversidad Nacional de La Plata

Recurso libre

14.

The agent routering process of a dynamic distributed decision support system
Stegmayer Machado, Georgina S. - Taverna, María Laura - Chiotti, Omar Juan Alfredo - Galli, María Rosa

Formato:	Articulo, Articulo
Enlaces:	When certain enterprise domain needs to make an unusual decision, it will probably require new kind of information. If the interaction model among domains cannot be defined because the decision scenarios are unpredictable, the system itself must search the required…
Fecha:	2004-03-19
Recurso:	Unversidad Nacional de La Plata

Recurso libre

15.

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

16.

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

17.

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

18.

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

19.

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

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.

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

22.

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

23.

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

24.

Notions of relevance for modeling the dynamics of belief
Falappa, Marcelo Alejandro - Maguitman, Ana Gabriela

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	We identify different kinds of relevance relations between formulas that emerge in the process of belief revision. Informal definitions for alternative notions of relevance are suggested and a set of schemas and intuitive postulates for formalizing these notions are proposed.
Fecha:	2012-11-02
Recurso:	Unversidad Nacional de La Plata

Recurso libre

25.

Pattern recognition in medical images using neural networks
Lanzarini, Laura Cristina - De Giusti, Armando Eduardo

Formato:	Articulo, Articulo
Enlaces:	The proposal of this research line is the search for alternatives to the resolution of complex problems where human knowledge should be apprehended in a general fashion. In particular, the activities developed so far can be included in the area…
Fecha:	2004-03-31
Recurso:	Unversidad Nacional de La Plata

Recurso libre

26.

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

27.

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

28.

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

29.

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

30.

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

31.

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

32.

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

33.

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

34.

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

35.

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

36.

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

37.

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

38.

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

39.

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

40.

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

41.

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

42.

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

Recurso libre

43.

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

44.

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