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Aproximadamente 65 registro(s) hasta el momento: (knowledge)

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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

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

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

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

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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

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

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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

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Knowledge discovery based on computational taxonomy and intelligent data mining
Perichinsky, Gregorio - García Martínez, Ramón - Proto, Araceli

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	This study investigates an approach of knowledge discovery and data mining in insufficient databases. An application of Computational Taxonomy analysis demonstrates that the approach is effective in such a data mining process. The approach is characterized by the use of…
Fecha:	2012-11-06
Recurso:	Unversidad Nacional de La Plata

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A data mining approach to computational taxonomy
Perichinsky, Gregorio - García Martínez, Ramón

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	This study investigates an approach of knowledge discovery and data mining in insufficient databases. An application of Computational Taxonomy analysis demonstrates that the approach is effective in such a data mining process. The approach is characterized by the use ot…
Fecha:	2012-10-10
Recurso:	Unversidad Nacional de La Plata

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10.

Defeasible reasoning in dynamic domains
Capobianco, Marcela - Simari, Guillermo Ricardo

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The design of intelligent agents is a key issue for many applications. Since there is no universally accepted definition of intelligence, the notion of rational agency was proposed by Russell as an alternative for the characterization of intelligent agency. A…
Fecha:	2012-11-01
Recurso:	Unversidad Nacional de La Plata

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11.

lntroducing generalized specificity in logic programming
Stolzenburg, Frieder - García, Alejandro Javier - Chesñevar, Carlos Iván - Simari, Guillermo Ricardo

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Most formalisms for representing common-sense knowledge allow incomplete and potentially inconsistent information. When strong negation is also allowed, contradictory conclusions can arise. A criterion for deciding between them is needed. The aim of this paper is to investigate an inherent…
Fecha:	2012-11-05
Recurso:	Unversidad Nacional de La Plata

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12.

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

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13.

Forest fire prediction using fuzzy prototypical knowledge discovery
Olivas Varela, José Ángel - Romero, Francisco Pacual

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	An application of Zadeh’s prototype theory in the Knowledge Acquisition process, is presented here, and as a practical example, to define a method for predicting the evolution of the forest fire occurrence-danger rate in INCEND-IA: A KBS for prediction and…
Fecha:	2012-11-01
Recurso:	Unversidad Nacional de La Plata

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14.

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

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

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15.

Dynamic tuning of parallel programs
Morajko, Anna - Margalef, Tomás - Luque Fadón, Emilio - Espinosa, Antonio

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Performance of parallel programs is one of the reasons of their development. The process of designing and programming a parallel application is a very hard task that requires the necessary knowledge for the detection of performance bottlenecks, and the corresponding…
Fecha:	2012-10-31
Recurso:	Unversidad Nacional de La Plata

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16.

Translating a subset of english to defeasible logic programs
García, Alejandro Javier - Dragunsky, César V.

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Defeasible Logic Programming (DeLP) is an extension of Logic Programming capturing common-sense reasoning features. The DeLP language can manage defeasible reasoning, allowing the representation of defeasible and non- defeasible knowledge. Since DeLP syntax is based on a PROLOG-like notation, the…
Fecha:	2012-11-06
Recurso:	Unversidad Nacional de La Plata

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17.

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

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18.

A logical framework for modeling argumentation using labelled deduction
Chesñevar, Carlos Iván - Simari, Guillermo Ricardo

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Classical methods for representing and reasoning with knowledge rely on the assumption that the available information is complete, certain and consistent. In real-world problems this is usually not the case, and Al has long dealt with the issue of finding…
Fecha:	2012-10-09
Recurso:	Unversidad Nacional de La Plata

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19.

Automatic identification of weed seeds by color image processing
Granitto, Pablo Miguel - Navone, Hugo D. - Verdes, Pablo Fabián - Ceccatto, Hermenegildo Alejandro

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The analysis and classification of seeds are essential activities contributing to the final added value in the crop production. Besides varietal identification and cereal grain grading, it is also of interest in the agricultural industry the early identification of weeds…
Fecha:	2012-11-05
Recurso:	Unversidad Nacional de La Plata

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20.

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

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21.

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

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22.

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

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23.

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

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24.

Semantic document indexing in ontology-driven organizational memories
Ale, María Alejandra - Galli, María Rosa - Chiotti, Omar Juan Alfredo

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Effective document retrieval using domain knowledge and semantics is one of the major challenges in Information Retrieval. Over the last years, there has been a growing interest in ontologies as an artifact for human knowledge representation and a critical component…
Fecha:	2012-10-29
Recurso:	Unversidad Nacional de La Plata

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25.

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

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26.

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

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27.

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

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28.

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

29.

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

30.

Prior knowledge in evolutionary fuzzy recurrent controllers design
Apolloni, Javier - Kavka, Carlos - Roggero, Patricia

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	A fuzzy controller is usually designed by formulating the knowledge of a human expert into a set of linguistic variables and fuzzy rules. As it is well known, the use of prior knowledge can dramatically improve the performance and quality…
Fecha:	2012-09-19
Recurso:	Unversidad Nacional de La Plata

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31.

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

32.

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

33.

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

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34.

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

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35.

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

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36.

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

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37.

Formal analysis of the communication of probabilistic knowledge
Vicari, Rosa - Seixas, Louise - Flores, Cecília - Gluz, João Carlos

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	This paper discusses questions about communication of probabilistic knowledge in the light of current theories of agent communication. It will argue that there is a semantic gap between these theories and research areas related to probabilistic knowledge representation and communication,…
Fecha:	2012-11-08
Recurso:	Unversidad Nacional de La Plata

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38.

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

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39.

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

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40.

Reasoning module interface design considerations
Stankevicius, Alejandro G.

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	DLP is a basic java-based IDE specifically conceived for DeLP, that allows to compile DeLP programs and queries into JAM opcodes, execute those opcodes, and even witness the actual step by step construction of the dialectical tree that is built…
Fecha:	2012-09-19
Recurso:	Unversidad Nacional de La Plata

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41.

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

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42.

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

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43.

Embedding defeasible argumentation in the semantic web: an ontology-based approach
Gómez, Sergio Alejandro - Chesñevar, Carlos Iván - Simari, Guillermo Ricardo

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The SemanticWeb is a project intended to create a universal medium for information exchange by giving semantics to the content of documents on the Web by means of ontology definitions. Ontologies intended for knowledge representation in intelligent agents rely on…
Fecha:	2012-09-19
Recurso:	Unversidad Nacional de La Plata

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44.

Non prioritized reasoning in intelligent agents
Falappa, Marcelo Alejandro - Simari, Guillermo Ricardo

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The design of intelligent agents is greatly influenced by the many different models that exist to represent knowledge. It is essential that such agents have computationally adequate mechanisms to manage its knowledge, which more often than not is incomplete and/or…
Fecha:	2012-09-25
Recurso:	Unversidad Nacional de La Plata

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45.

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

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46.

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

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47.

Introducing multiple preference criteria in defeasible argumentation
Rotstein, Nicolás D. - Simari, Guillermo Ricardo - García, Alejandro Javier

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	In this research line we are exploring the possibility of having multiple preference criteria to compare arguments in in Defeasible Argumentation. In this work we are assuming a goaloriented Argumentative System, to which an application or an agent may seek…
Fecha:	2012-09-19
Recurso:	Unversidad Nacional de La Plata

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48.

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

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49.

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

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50.

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