Metabuscador

Filtrado por:

Temas

Recursos

Unversidad Nacional de La Plata (189)

Más...

Año

2008 (12)
2007 (4)
2006 (1)
2005 (3)
2003 (19)
2002 (17)
Más...

Aproximadamente 189 registro(s) hasta el momento: (journal)

Mostrar 10 | 50 | 100 resultados por página

Recurso libre

Dynamic tuning of parallel/distributed applications
Morajko, Anna

Formato:	Articulo, Revision
Enlaces:	The thesis addresses the problem of automatic and dynamic tuning of parallel and distributed applications. Our objective is to help developers in the process of improving the application performance. The work presents a whole solution that deals with the issues…
Fecha:	2011-09-02
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Parallel computing in local area networks
Tinetti, Fernando Gustavo

Formato:	Articulo, Revision
Enlaces:	In this thesis, parallel computing on installed local area networks (LAN) is focused, analyzing problems and possible solutions taking into account the main factors of computing and communications. More specifically, LAN are characterized as parallel computers in the context of…
Fecha:	2011-09-02
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Parallel processing
Naiouf, Marcelo

Formato:	Articulo, Revision
Enlaces:	The growing importance and interest in parallel processing within Computer Sciences are undeniable, and thus make it one of the more influencing areas of this discipline. Several reasons support this fact, such as the increase in the computer power, the…
Fecha:	2011-09-02
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Operating Systems. A concept-based approach, Second Edition D.M. Dhamdhere McGraw Hill, 2006
Romero, Fernando

Formato:	Articulo, Revision
Enlaces:	The book deals with the topic of Operating Systems from and intuitive perspective and then delves into more technical concepts, which makes it appropriate for a first introductory course on the matter.
Fecha:	2010-10-01
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Constraint-Handling in Evolutionary Optimization Efrén Mezura-Montes (Editor) Springer, Studies in Computational Intelligence Series Vol. 198, 1st Edition, 2009
Mezura-Montes, Efrén

Formato:	Articulo, Revision
Enlaces:	The use of evolutionary and swarm intelligence algorithms, has become a very popular option to solve complex real-world optimization problems. However, in their original versions, these algorithms lack a mechanism to handle the constraints of the problem i.e. they were…
Fecha:	2010-10-01
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Dynamic scheduling on GRID environments
Bertogna, Leandro M

Formato:	Articulo, Revision
Enlaces:	The work carried out in the thesis describes efficient virtual environments management. One of the main contributions is a middleware scheduling optimization based on Grid environments. Being the overall goal to get an optimal resource selection plus a coordinate task…
Fecha:	2011-08-31
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Using scenarios to derive software
Hadad, Graciela Dora Susana

Formato:	Articulo, Revision
Enlaces:	The present thesis describes a Requirements Engineering strategy, called SDRES (Scenario Driven Requirements Engineering Strategy), which proposes to face topics rarely treated in real practice, such as continuous changes in requirements, software defects originated during requirements production, the organisational context…
Fecha:	2011-08-31
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Design and implementation considerations for a pedagogical object oriented operating system
Chakraborty, Pinaki

Formato:	Articulo, Revision
Enlaces:	For centuries, experimentation has been at the center of all successful scientific studies. Experimental explorations can offer new perceptions, weed out unproductive approaches and validate theories and practices. Computer Science (CS), as a discipline, has a poor record when it…
Fecha:	2011-08-31
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Hybrid optimization techniques for industrial production planning
Vasant, Pandian M.

Formato:	Articulo, Revision
Enlaces:	In this Ph. D thesis, the main significant contributions are: formulation of a new non-linear membership function using fuzzy approach to capture and describe vagueness in the technological coefficients of constraints in the industrial production planning problems [1-3]. This non-linear…
Fecha:	2011-08-31
Recurso:	Unversidad Nacional de La Plata

Recurso libre

10.

Parallel application signature for performance prediction
Wong, Alvaro

Formato:	Articulo, Revision
Enlaces:	In order to measure the performance of a parallel machine, a set of application kernels as benchmarks have often been used. However, it is not always possible to characterize the performance using only benchmarks, given the fact that each one…
Fecha:	2011-08-31
Recurso:	Unversidad Nacional de La Plata

Recurso libre

11.

Software network analyzer for computer network performance measurement planning over heterogeneous services in higher educational institutes
Ismail, Mohd Nazri

Formato:	Articulo, Revision
Enlaces:	In 21st century, convergences of technologies and services in heterogeneous environment have contributed multi-traffic. This scenario will affect computer network on learning system in higher educational Institutes. Implementation of various services can produce different types of content and quality. Higher…
Fecha:	2011-08-31
Recurso:	Unversidad Nacional de La Plata

Recurso libre

12.

Index structures for distributed text databases
Marin Cahiuan, Juan Mauricio

Formato:	Articulo, Articulo
Enlaces:	The Web has became an obiquitous resource for distributed computing making it relevant to investigate new ways of providing efficient access to services available at dedicated sites. Efficiency is an ever-increasing demand which can be only satisfied with the development…
Fecha:	2004-08-10
Recurso:	Unversidad Nacional de La Plata

Recurso libre

13.

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

14.

Reasoning about protocols using Dijkstra´s calculus
Singh, Awadhesh Kumar - Bandyopadhyay, Anup Kumar

Formato:	Articulo, Articulo
Enlaces:	A mathematical model for the specification and verification of a data link layer protocol is proposed. The weakest precondition calculus, developed by Dijkstra, originally for sequential programs, has been chosen for this purpose. It is demonstrated that the wp-calculus provides…
Fecha:	2004-08-12
Recurso:	Unversidad Nacional de La Plata

Recurso libre

15.

Activation and termination detection on distributed systems
Baraldi, Waldemar A. - Scarpa, Diego - Ponzoni, Ignacio - Ardenghi, Jorge Raúl

Formato:	Articulo, Articulo
Enlaces:	Facing the different approaches to process activation and global termination detection on distributed systems, this paper performs a practical comparison between the mainly opposed centralized and distributed models. Firstly, they were implemented to solve both the activation and termination detection…
Fecha:	2004-08-23
Recurso:	Unversidad Nacional de La Plata

Recurso libre

16.

A GRASP algorithm with tree based local search for designing a survivable wide area network backbone
Cancela, Héctor - Robledo, Franco - Rubino, Gerardo

Formato:	Articulo, Articulo
Enlaces:	System survivability is the ability to give service in spite of failures of some of the components. To assure survivability is an important goal when designing a communications network backbone, to ensure that it can resist to failures in the…
Fecha:	2004-08-24
Recurso:	Unversidad Nacional de La Plata

Recurso libre

17.

ALENA
Corbalán, Leonardo C. - Lanzarini, Laura Cristina - De Giusti, Armando Eduardo

Formato:	Articulo, Articulo
Enlaces:	Evolving neural arrays (ENA) have proved to be capable of learning complex behaviors, i.e., problems whose solution requires strategy learning. For this reason, they present many applications in various areas such as robotics and process control. Unlike conventional methods "based…
Fecha:	2004-08-24
Recurso:	Unversidad Nacional de La Plata

Recurso libre

18.

HTSN: a complex workflow model based on colored Petri net
Zhu, Haiping - Li, Peigen - Zhang, Guojun

Formato:	Articulo, Articulo
Enlaces:	Traditional workflow models have obvious shortcomings in describing complex workflows. Such complexity is due not only to the hierarchical property of business process, but also to the complicated dependencies among tasks. In this paper, we first introduce a conceptual task…
Fecha:	2004-11-01
Recurso:	Unversidad Nacional de La Plata

Recurso libre

19.

Learning by generation in computer science education
Kerren, Andreas

Formato:	Articulo, Articulo
Enlaces:	The use of generic and generative methods for the development and application of interactive educational software is a relatively unexplored area in industry and education. Advantages of generic and generative techniques are, among other things, the high degree of reusability…
Fecha:	2004-11-24
Recurso:	Unversidad Nacional de La Plata

Recurso libre

20.

Teaching fundamentals of computing theory: a constructivist approach
Chesñevar, Carlos Iván - Maguitman, Ana Gabriela - González, María Paula - Cobo, María Laura

Formato:	Articulo, Articulo
Enlaces:	A Fundamentals of Computing Theory course involves different topics that are core to the Computer Science curricula and whose level of abstraction makes them difficult both to teach and to learn. Such difficulty stems from the complexity of the abstract…
Fecha:	2004-11-24
Recurso:	Unversidad Nacional de La Plata

Recurso libre

21.

Design of distance courses in a web learning environment (WebLIDI)
Sanz, Cecilia Verónica - Zangara, María Alejandra - Gonzalez, Alejandro Héctor - De Giusti, Armando Eduardo - Ibañez, Eduardo

Formato:	Articulo, Articulo
Enlaces:	This paper presents some of the aspects related to the multidisciplinary research process initiated in III LIDI for the development of a learning environment focused on the WEB (WebLIDI). It attempts to gather, in a work group, the technology working…
Fecha:	2004-11-25
Recurso:	Unversidad Nacional de La Plata

Recurso libre

22.

An evolutionary algorithm to track changes of optimum value locations in dynamic environments
Aragón, Victoria S. - Esquivel, Susana Cecilia

Formato:	Articulo, Articulo
Enlaces:	Non-stationary, or dynamic, problems change over time. There exist a variety of forms of dynamism. The concept of dynamic environments in the context of this paper means that the fitness landscape changes during the run of an evolutionary algorithm. Genetic…
Fecha:	2004-11-26
Recurso:	Unversidad Nacional de La Plata

Recurso libre

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

Recurso libre

24.

Color image segmentation using multispectral random field texture model & color content features
Hernandez, Orlando J. - Khotanzad, Alireza

Formato:	Articulo, Articulo
Enlaces:	This paper describes a color texture-based image segmentation system. The color texture information is obtained via modeling with the Multispectral Simultaneous Auto Regressive (MSAR) random field model. The general color content characterized by ratios of sample color means is also…
Fecha:	2004-11-29
Recurso:	Unversidad Nacional de La Plata

Recurso libre

25.

Accurate calibration of stereo cameras for machine vision
Li, Liangfu - Feng, Zuren - Feng, Yuanjing

Formato:	Articulo, Articulo
Enlaces:	Camera calibration is an important task for machine vision, whose goal is to obtain the internal and external parameters of each camera. With these parameters, the 3D positions of a scene point, which is identified and matched in two stereo…
Fecha:	2004-11-30
Recurso:	Unversidad Nacional de La Plata

Recurso libre

26.

Carpal-bone feature extraction analysis in skeletal age assessment based on deformable model
Pan, Lin - Zhang, Feng - Yang, Yong - Zheng, Chong-Xun

Formato:	Articulo, Articulo
Enlaces:	Skeletal age assessment is one of the important applications of hand radiography in the area of pediatric radiology. Features analysis of the carpal bones can reveal the important information for skeletal age assessment. The present work in this paper faces…
Fecha:	2004-11-30
Recurso:	Unversidad Nacional de La Plata

Recurso libre

27.

A cryptography method employing a new mathematical paradigm for public keys schemes
Ribeiro, Vinicius Gadis - Weber, Raul Fernando

Formato:	Articulo, Articulo
Enlaces:	blic Keys Schemes usually generate two pairs of keys that bear some mathematical relation-usually, a relation of the field known as Number Theory. Identifying a key from another that is given is a problem of great difficulty. This paper presents…
Fecha:	2004-12-01
Recurso:	Unversidad Nacional de La Plata

Recurso libre

28.

CBS: constraint-based approach for scheduling in bluetooth networks
Yu, Shengsheng - Zhou, Jingli - Jiang, Gang

Formato:	Articulo, Articulo
Enlaces:	In Bluetooth networks, devices are organized into small piconets and large scatternets, and each node acts as the role of master, slave or gateway. Due to dynamic topology changes, different bandwidth available and unpredictable interference of media in Bluetooth networks,…
Fecha:	2004-08-11
Recurso:	Unversidad Nacional de La Plata

Recurso libre

29.

Towards a metric suite for OCL expressions expressed within UML/OCL models
Reynoso, Luis A. - Genero Bocco, Marcela - Piattini Velthuis, Mario

Formato:	Articulo, Articulo
Enlaces:	UML models quality is clearly a crucial issue that must be evaluated at the initial stages of object-oriented software development, in order to get software products with better quality. This fact is corroborated by the huge amount of metrics that…
Fecha:	2004-08-23
Recurso:	Unversidad Nacional de La Plata

Recurso libre

30.

Integrating defeasible argumentation with fuzzy ART neural networks for pattern classification
Gómez, Sergio Alejandro - Chesñevar, Carlos Iván

Formato:	Articulo, Articulo
Enlaces:	Many classification systems rely on clustering techniques in which a collection of training examples is provided as an input, and a number of clusters c<SUB>1</SUB>,...c<SUB>m</SUB> modelling some concept C results as an output, such that every cluster c<SUB>i</SUB> is labelled…
Fecha:	2004-08-23
Recurso:	Unversidad Nacional de La Plata

Recurso libre

31.

Implementing agents for a collaborative online learning environment
Azevedo, Hilton José Silva de - Scalabrin, Edson Emílio - Faria, Marcio de Paula - Manfroi, Fairus

Formato:	Articulo, Articulo
Enlaces:	This paper discusses the main lines used to model intelligent agents that will operate in a Collaborative Online Learning Environment-COLE. The aim of COLE is to evaluate the contribution that Information Technology and Multiagent Systems can bring to the discussion…
Fecha:	2004-11-25
Recurso:	Unversidad Nacional de La Plata

Recurso libre

32.

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

33.

Design and development of a platform for internet-based collaborative product development
Zhang, Kui - Zhou, Jianzhong

Formato:	Articulo, Articulo
Enlaces:	In order to accomplish collaborative product development in the area of engineering, a work platform is needed to support all-sided collaborative work by the different development partners at geographically different locations. The platform is established on the basis of a…
Fecha:	2004-11-26
Recurso:	Unversidad Nacional de La Plata

Recurso libre

34.

Watch IT: The risks and promises of new information technologies. Nicholas C. Burbules, Thomas A. Callister (h) Ediciones Granica S. A., 2001
Gorga, Gladys - Madoz, María Cristina

Formato:	Articulo, Revision
Enlaces:	Descripción completa.
Fecha:	2008-10-10
Recurso:	Unversidad Nacional de La Plata

Recurso libre

35.

A criteria to select genetic operators for solving CSP
Riff Rojas, María Cristina

Formato:	Articulo, Articulo
Enlaces:	Our interest is to define evolutionary algorithms to solve Constraint Satisfaction Problems (CSP), which indlude benefits of taditional resolution methods of CSPs as well as inherent characteristics of these kind of problems. In this paper we propose a criterion to…
Fecha:	2004-05-06
Recurso:	Unversidad Nacional de La Plata

Recurso libre

36.

Image compression for medical diagnosis using neural networks
Lanzarini, Laura Cristina - Vargas Camacho, María Teresa - Flores Badrán, Amado - De Giusti, Armando Eduardo

Formato:	Articulo, Articulo
Enlaces:	Images compression is a widely studied topic. Conventional situations offer variable compression ratios depending on the image in question and, in general, do not yield good results for images that are rich in tones. This work is an application of…
Fecha:	2004-05-10
Recurso:	Unversidad Nacional de La Plata

Recurso libre

37.

A multi-paradigm approach for mobile agents development
Belloni, Edgardo A.

Formato:	Articulo, Articulo
Enlaces:	Mobile agent systems have received important attention in the last years as a new programming paradigm for widely distributed and heterogeneous systems. In this article, a multi-paradigm approach for the development of intelligent mobile agents is presented. It integrates both…
Fecha:	2004-03-30
Recurso:	Unversidad Nacional de La Plata

Recurso libre

38.

Translating fork specifications into logic programs
Baum, Gabriel Alfredo - Aguirre, Nazareno Matías - Arroyo, Marcelo

Formato:	Articulo, Articulo
Enlaces:	In this work a compiler from fork specifications into logic programs is presented. The technique implemented by the compiler consists of transforming a set of fork equations (with some restrictions) into normal logic programs in such a way that the…
Fecha:	2004-03-31
Recurso:	Unversidad Nacional de La Plata

Recurso libre

39.

Image processing with nonseparable multiwavelets
Ruedín, Ana M. C.

Formato:	Articulo, Articulo
Enlaces:	In a general context we introduce image processing with 1-dimensional wavelets and show the diferences with nonseparable 2-dimensional wavelets having quincunx decimation, in the first place, and with balanced nonseparable 2-dimensional multiwavelets, in the second place. All of them are…
Fecha:	2004-04-22
Recurso:	Unversidad Nacional de La Plata

Recurso libre

40.

An algorithm for dynamic reconfiguration of mobile agents
Valente, Marco Tulio - Bigonha Andrade da Silva, Mariza - Bigonha da Silva, Roberto

Formato:	Articulo, Articulo
Enlaces:	In this paper we show an algorithm for dynamic reconfiguration of distributed applications based on the mobile agent model. We also show that the proposed algorithm can be easily implemented in the IPL language, a language with several abstractions for…
Fecha:	2004-03-23
Recurso:	Unversidad Nacional de La Plata

Recurso libre

41.

Wavelet representation of functions defined on tetrahedrical grids
Castro, Silvia - Castro, Liliana - Boscardín, Liliana - De Giusti, Armando

Formato:	Articulo, Articulo
Enlaces:	In this paper, a method for representing scalar functions on volumes is presented. The method is based on wavelets and it can be used for representing volumetric data (geometric or scalar) defifined on non structured grids. The basic contribution is…
Fecha:	2004-02-09
Recurso:	Unversidad Nacional de La Plata

Recurso libre

42.

Custom architectures for fuzzy and neural networks controllers
Acosta, Nelson - Tosini, Marcelo Alejandro

Formato:	Articulo, Articulo
Enlaces:	Standard hardware, dedicated microcontroller or application specific circuits can implement fuzzy logic or neural network controllers. This paper presents efficient architecture approaches to develop controllers using specific circuits. A generator uses several tools that allow translating the initial problem specification…
Fecha:	2004-02-06
Recurso:	Unversidad Nacional de La Plata

Recurso libre

43.

Generation of flexible 3D objects
González, Adela

Formato:	Articulo, Articulo
Enlaces:	The objective of this research is to develop a tool for the generation of 3D objects modeled with flexible materials, with visco-elastic or inelastic characteristics, similar to the plasticine. It is desirable to prioritize the simplicity of the interface with…
Fecha:	2004-02-06
Recurso:	Unversidad Nacional de La Plata

Recurso libre

44.

Improved automatic discovery of subgoals for options in hierarchical
Kretchmar, R. Matthew - Feil, Todd - Bansal, Rohit

Formato:	Articulo, Articulo
Enlaces:	Options have been shown to be a key step in extending reinforcement learning beyond low-level reactionary systems to higher-level, planning systems. Most of the options research involves hand-crafted options; there has been only very limited work in the automated discovery…
Fecha:	2004-05-17
Recurso:	Unversidad Nacional de La Plata

Recurso libre

45.

Shorter table ATA evaluation of elementary functions in single precision
Bria, Oscar N.

Formato:	Articulo, Articulo
Enlaces:	In this paper a slightly modification is proposed to the original Wong and Gotos ATA method for the computation of elementary functions in IEEE 754 single precision. The identification of a trade-off leads to the proposition of a different chunk…
Fecha:	2004-05-21
Recurso:	Unversidad Nacional de La Plata

Recurso libre

46.

Preserving message integrity in dymamic process migration
Heymann Pignolo, Elisa - Tinetti, Fernando Gustavo - Luque Fadón, Emilio

Formato:	Articulo, Articulo
Enlaces:	Processor and network management have a great impact on the performance of Distributed Memory Parallel Computers. Dynamic Process Migration allows load balancing and communication balancing at execution time. Managing the communications involving the migrating process is one of the problems…
Fecha:	2004-05-11
Recurso:	Unversidad Nacional de La Plata

Recurso libre

47.

A high performance core for OSI management agents: implementation, simulation and performance evaluation
Rivalino, Matías Junior

Formato:	Articulo, Articulo
Enlaces:	This article presents a proposal of a multithreaded core for an OSI/ISO management agents including its modeling, simulation and performance evaluation. The proposed model i s compared against another one (unthreaded core) which is the c ommonly adopted model by…
Fecha:	2004-05-11
Recurso:	Unversidad Nacional de La Plata

Recurso libre

48.

Feature extraction for an image retrieving scheme
Fuertes García, José Manuel - Lucena López, Manuel José - Perez de la Blanca Capilla, Nicolás - Fernández Valdivia, Joaquín

Formato:	Articulo, Articulo
Enlaces:	In this paper we present two basic modules whithin the designed scheme for retrieving images of a database from the object colour and shape in the scenes. On the one hand, we desing a new method to detect edges in…
Fecha:	2004-05-12
Recurso:	Unversidad Nacional de La Plata

Recurso libre

49.

JPEG with quadtree adaptive partitioning
Russo, Claudia C. - Ramón, Hugo Dionisio - De Giusti, Armando Eduardo - Flores, Raúl

Formato:	Articulo, Articulo
Enlaces:	In this paper two images compression techniques with loss based on the method used by the compression Standard Joint Photographic Experts Groups (JPEG) and on the Quadtree adaptive partitioning method are presented and compared, and the loss produced studied. The…
Fecha:	2004-05-12
Recurso:	Unversidad Nacional de La Plata

Recurso libre

50.

Parallel recognition and classification of objects
Felice, Rodrigo - Ruscitti, Fernando - Naiouf, Marcelo - De Giusti, Armando Eduardo

Formato:	Articulo, Articulo
Enlaces:	The development of parallel algorithms for an automatic recognition and classification of objects from an industrial line (either production or packaging) is presented. This kind of problem introduces a temporal restriction on images processing, a parallel resolution being therefore required.…
Fecha:	2004-05-12
Recurso:	Unversidad Nacional de La Plata