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Unversidad Nacional de La Plata (41)

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Aproximadamente 41 registro(s) hasta el momento: (knowledge)

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Recurso libre

Improving web personalization re-engineering processes using cognitive knowledge management
Martín, Adriana - Cechich, Alejandra

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	A re-design process implies dealing with complex interactions between stakeholders, especially if we are talking about a personalization re-engineered process, which can be applied to an existing web application. In this context, knowledge becomes a main factor of influence, but…
Fecha:	2012-09-20
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

Knowledge insertion: an efficient approach to reduce search effort in evolutionary scheduling
Pandolfi, Daniel - Lasso, Marta - De San Pedro, María Eugenia - Villagra, A. - Gallard, Raúl Hector

Formato:	Articulo, Articulo
Enlaces:	Evolutionary algorithms (EAs) are merely blind search algorithms, which only make use of the relative fitness of solutions, but completely ignore the nature of the problem. Their performance can be improved by using new multirecombinative approaches, which provide a good…
Fecha:	2004-11-25
Recurso:	Unversidad Nacional de La Plata

Recurso libre

On the implementation of the belief change operators
Falappa, Marcelo Alejandro - Fermé, Eduardo L.

Formato:	Articulo, Articulo
Enlaces:	In this article we will introduce certain considerations that must be taken into account while implementing the change operations of the belief change theory. The abstract models of bellief change make no considerations in respecto to the internal structures of…
Fecha:	2004-05-07
Recurso:	Unversidad Nacional de La Plata

Recurso libre

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

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

Identifying cognitive aspects to improve business process reengineering
Martín, Adriana - Cechich, Alejandra

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Knowledge-intensive processes are widely used to recover from errors, handle exceptional cases and complaints, and to improve or adapt a process itself. In this context, evolved Business-Process Reengineering (BPR) techniques are changing to give some answers to this reality. In…
Fecha:	2012-10-12
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Fuzzy prolog with default knowledge
Vaucheret, Claudio A.

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	In omplete information is a problem in many aspe ts of a tual environments. Further- more, in many s enarios the knowledge is not represented in a risp way. It is ommon to nd fuzzy on epts or problems with…
Fecha:	2012-10-12
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Integrating federated information sources through the use of ontologies
Buccella, Agustina - Cechich, Alejandra - Penabad, Miguel R. - Rodriguez, Francisco J. - Brisaboa, Nieves R.

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Ontologies serve as a mean to establish a conceptually concise basis for communicating knowledge for many purposes. Within the information integration area, ontologies are useful to solve heterogeneity problems. They provide a set of knowledge terms, including the vocabulary, the…
Fecha:	2012-09-20
Recurso:	Unversidad Nacional de La Plata

Recurso libre

10.

Characterizing defeat in observation-based defeasible logic programming
Capobianco, Marcela - Chesñevar, Carlos Iván

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	In this work we analyze the problem of incorporating specificity to characterize defeat in a particular argumentative framework, called observation based defeasible logic programming (ODeLP) [1]. Eficiency is an important issues in ODeLP, since this framework has been de ned…
Fecha:	2012-09-20
Recurso:	Unversidad Nacional de La Plata

Recurso libre

11.

Modelling derivation in defeasible logic programming with perceptron-based neural networks
Gómez, Sergio Alejandro

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	A solution of problems in multiagent systems involves representing beliefs of agents immersed in dynamic environments. Observation-based Defeasible Logic Programming (ODeLP) is an argument-based logic programming language that is used to represent an agent’s knowledge in the context of a…
Fecha:	2012-10-16
Recurso:	Unversidad Nacional de La Plata

Recurso libre

12.

On improved deformable template matching for polygonal objects
Luo, Jianshu - Tang, Zeying - Lu, Hanqing

Formato:	Articulo, Articulo
Enlaces:	In this paper, an improvement of deformable template matching algorithm for polygonal objects in grayscale images using two-dimensional deformable templates along orthogonal curves is presented. In the process of pre-computing extensions of the deformable template along orthogonal curves, the novel…
Fecha:	2004-08-11
Recurso:	Unversidad Nacional de La Plata

Recurso libre

13.

A five-valued logic and a system
Ferreira, Ulisses

Formato:	Articulo, Articulo
Enlaces:	The present article introduces a five-valued logic and a deductive system. Here, the logic presented is a relevant fragment of the @-logic, which is also a space-time logic. These five values correspond to the following semantics: unknown, possibly known but…
Fecha:	2004-11-29
Recurso:	Unversidad Nacional de La Plata

Recurso libre

14.

Evolution of recurrent fuzzy controllers
Kavka, Carlos - Roggero, Patricia - Apolloni, Javier

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The main advantage of a recurrent architecture is the ability to store information from prior system states. A recurrent fuzzy controller includes hidden fuzzy variables which makes the controller more appropriate to deal with dynamic systems. We are currently investigating…
Fecha:	2012-09-21
Recurso:	Unversidad Nacional de La Plata

Recurso libre

15.

Strengthening intrusion detection techniques through emerging patterns
Grandinetti, Walter M.

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	In todays world where nearly every company is dependent on the Internet to survive, it is not surprising that the role of intrusion detection has become extremely important within the last decade. Intrusion detection involves determining whether some entity has…
Fecha:	2012-09-21
Recurso:	Unversidad Nacional de La Plata

Recurso libre

16.

Potential programming plan and domain concept detection supported by slicing technique
Villavicencio, Gustavo

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Little has been written about the component provision problem (programming plans and domain concepts) for the repositories of knowledge in program understanding systems and reports that specifically address this issue are unknown. Model-driven and plan-driven approaches use repositories where construction…
Fecha:	2012-10-16
Recurso:	Unversidad Nacional de La Plata

Recurso libre

17.

Non prioritized answer set revision
Simari, Gerardo I. - Falappa, Marcelo Alejandro

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	In this paper, we build on previous work on Belief Revision operators based on the use of logic programming with Answer Set semantics as a representation language. We present a set of postulates for Answer Set Revision with respect to…
Fecha:	2012-10-16
Recurso:	Unversidad Nacional de La Plata

Recurso libre

18.

An abstract machine for the execution of DeLP programs
Stankevicius, Alejandro G. - García, Alejandro Javier

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Defeasible Logic Programming (DeLP) is a knowledge representation and reasoning formalism that by combining Logic Programming with Defeasible Argumentation is able to represent incomplete and potentially contradictory information. Within the field of Logic Programming, most of the implementations of Prolog…
Fecha:	2012-10-16
Recurso:	Unversidad Nacional de La Plata

Recurso libre

19.

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

20.

A software product line experience
Andriano, Natalia Valeria - Kirch, Jorge - Zibecchi, Mariano

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Previous work in software product lines showed an increment of up to 10 times in productivity and product quality [SEI Prod_Line]; because of this, the software product line approach is critical for the success of a development project including a…
Fecha:	2012-10-29
Recurso:	Unversidad Nacional de La Plata

Recurso libre

21.

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

22.

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

23.

Evolutionary optimization of due date based objectives in unrestricted identical parallel machine scheduling problems
Ferretti, Edgardo - Esquivel, Susana Cecilia - Gallard, Raúl Hector

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Parallel machine scheduling, involves the allocation of jobs to the system resources (a bank of machines in parallel). A basic model consisting of m machines and n jobs is the foundation of more complex models. Here, jobs are allocated according…
Fecha:	2012-10-17
Recurso:	Unversidad Nacional de La Plata

Recurso libre

24.

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

25.

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

26.

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

27.

Parallel defeasible argumentation
García, Alejandro Javier - Simari, Guillermo Ricardo

Formato:	Articulo, Articulo
Enlaces:	Implicitly exploitable parallelism for Logic Programming has received ample attention. Defeasible Argutmentation is specially apt for this optimizing technique. Defeasible Logic Programming (DLP), which is based on a defeasible argumentation formalism, could take full advantage of this type of parallel…
Fecha:	2004-05-06
Recurso:	Unversidad Nacional de La Plata

Recurso libre

28.

Analyzing the defeat relation in observation-based defeasible logic programming
Capobianco, Marcela - Chesñevar, Carlos Iván - Simari, Guillermo Ricardo

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	In the last decade several ways to formalize defeasible reasoning have been studied. A particular approach, defeasible argumentation, has been particularly successful to achieve this goal. The inference process of argument-based systems is based on the interaction of ar- guments…
Fecha:	2012-10-16
Recurso:	Unversidad Nacional de La Plata

Recurso libre

29.

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

30.

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

31.

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

32.

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

33.

Local-as-view integration of ontologies in defeasible logic programming
Gómez, Sergio Alejandro - Chesñevar, Carlos Iván - Simari, Guillermo Ricardo

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Ontology integration is the problem of combining data sources in the SemanticWeb. Concepts in source ontologies are captured in terms of concepts de ned in a global ontology. When some of these ontologies are inconsistent, the knowledge engineer often has…
Fecha:	2012-07-19
Recurso:	Unversidad Nacional de La Plata

Recurso libre

34.

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

35.

Approximation to the dynamic hypermedial device modeling for the analysis of interactions
Rodríguez, Guillermo L. - San Martín, Patricia S.

Formato:	Articulo, Articulo
Enlaces:	The following research proposes a first approximation to the Dynamic Hypermedial Device modeling based on the analysis of interactions. In addition, the DEVS (Discrete EVents dynamic Systems) formalism is employed, which is particularly suitable for the modeling of discrete event…
Fecha:	2010-10-01
Recurso:	Unversidad Nacional de La Plata

Recurso libre

36.

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

37.

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

38.

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

39.

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

40.

Profiling MPI applications with mixed instrumentation
Grosclaude, Eduardo - Zanellato, Claudio - Balladini, Javier - Castillo, Rodolfo del - Castro, Silvia Mabel

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 order to advise users in choosing parallel machines to run their applications, we want to establish a general methodology, requiring as shallow…
Fecha:	2012-07-30
Recurso:	Unversidad Nacional de La Plata

Recurso libre

41.

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