Metabuscador

Filtrado por:

Temas

Recursos

Unversidad Nacional de La Plata (78)

Más...

Año

2013 (9)
2012 (1)
2010 (10)
2009 (2)
2008 (3)
2007 (4)
Más...

Aproximadamente 78 registro(s) hasta el momento: (journal)

Mostrar 10 | 50 | 100 resultados por página

Recurso libre

Hardware radial basis function neural network automatic generation
Leiva, Lucas - Acosta, Nelson

Formato:	Articulo, Articulo
Enlaces:	This paper presents a parallel architecture for a radial basis function (RBF) neural network used for pattern recognition. This architecture allows defining sub-networks which can be activated sequentially. It can be used as a fruitful classification mechanism in many application…
Fecha:	2011-03-30
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Diseño y evaluación de arquitecturas de computadoras
Villagarcía Wanza, Horacio A.

Formato:	Articulo, Revision
Enlaces:	In the first paragraph of the Introduction of the book the authors say "The definition of computer architecture has generated many discussions since the emergence of what could be considered the first computer in 1943, the ENIAC". Later they add…
Fecha:	2011-03-31
Recurso:	Unversidad Nacional de La Plata

Recurso libre

An adaptive variable structure controller for the trajectory tracking of a nonholonomic mobile robot with uncertainties and disturbances
Almeida Martins, Nardênio - El'youssef, Ebrahim Samer - De Pieri, Edson Roberto - Lombardi, Warody Claudinei - Jungers, Marc

Formato:	Articulo, Articulo
Enlaces:	In this paper, a trajectory tracking control for a nonholonomic mobile robot subjected to uncertainties and disturbances in the kinematic model is proposed. An adaptive variable structure controller based on the sliding mode theory is used, and applied to compensate…
Fecha:	2011-03-23
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Position index preserving compression of text data
Akhtar, Nasim - Rashid, Mamunur - Islam, Shafiqul - Kashem, Mohammod Abul - Kolybanov, Cyrll Y.

Formato:	Articulo, Articulo
Enlaces:	Data compression offers an attractive approach to reducing communication cost by using available bandwidth effectively. It also secures data during transmission for its encoded form. In this paper an index based position oriented lossless text compression called PIPC ( Position…
Fecha:	2011-03-30
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Group mutual exclusion based on priorities
Cenci, Karina M. - Ardenghi, Jorge Raúl

Formato:	Articulo, Articulo
Enlaces:	We propose a distributed solution for the group mutual exclusion problem based on priorities, in a network with no share memory whose members only communicate by messages. The proposed algorithm is composed by two players: groups and processes, groups are…
Fecha:	2011-03-30
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Reversible data hiding exploiting variance in wavelet coefficients
Luo, Xu-Ren - Yin, Te-Lung

Formato:	Articulo, Articulo
Enlaces:	In this paper, we present a new reversible data hiding scheme that utilizes the wavelet transform and better exploits the large wavelet coefficient variance to achieve high capacity and imperceptible embedding. Our scheme differs from those of previous studies in…
Fecha:	2011-03-31
Recurso:	Unversidad Nacional de La Plata

Recurso libre

E-mail processing with fuzzy SOMs and association rules
Lanzarini, Laura Cristina - Villa Monte, Augusto - Estrebou, César

Formato:	Articulo, Articulo
Enlaces:	E-mail texts are hard to process due to their short length. In this article, the use of a diffuse neural network that is capable of identifying the most relevant terms in a set of e-mails is proposed. The associations between…
Fecha:	2011-03-31
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Protocols for microcontrollers networks
López, Ricardo A.

Formato:	Articulo, Revision
Enlaces:	The microcontrollers are embedded in our way of life and are found in many devices. The ability of Very High Scale Integration (VLSI) - with almost exponential growth in recent years makes these devices every day contain functions previously unthinkable.
Fecha:	2011-03-31
Recurso:	Unversidad Nacional de La Plata

Recurso libre

The seven ages of Fortran
Metcalf, Michael

Formato:	Articulo, Articulo
Enlaces:	When IBM's John Backus first developed the Fortran programming language, back in 1957, he certainly never dreamt that it would become a world-wide success and still be going strong many years later. Given the oft-repeated predictions of its imminent demise,…
Fecha:	2011-03-30
Recurso:	Unversidad Nacional de La Plata

Recurso libre

10.

Definition of a goal elicitation process
Thomas, Pablo Javier

Formato:	Articulo, Revision
Enlaces:	Descripción completa.
Fecha:	2011-09-01
Recurso:	Unversidad Nacional de La Plata

Recurso libre

11.

Test automation for Markov Chain Usage Models
Bettinotti, Adriana M. - Garavaglia, Mauricio

Formato:	Articulo, Articulo
Enlaces:	Statistical testing with Markov Chain Usage Models is an effective method to be used by programmers and testers during web sites development, to guarantee the software reliability. The JUMBL software works on this models; it supports model construction with the…
Fecha:	2011-10-27
Recurso:	Unversidad Nacional de La Plata

Recurso libre

12.

Distributed systems: principles and paradigms (2nd edition)
Tinetti, Fernando Gustavo

Formato:	Articulo, Revision
Enlaces:	This book presents the authors' updated view on the most relevant topics of distributed systems. This second edition shares most of the contents with the previous one in terms of contents/chapters, but many of the chapters have been updated and…
Fecha:	2011-10-28
Recurso:	Unversidad Nacional de La Plata

Recurso libre

13.

Design, evaluation and optimization of the wavelet transform for medical video coding in single processor architectures
Bernabé García, Gregorio

Formato:	Articulo, Revision
Enlaces:	Descripción completa.
Fecha:	2011-09-02
Recurso:	Unversidad Nacional de La Plata

Recurso libre

14.

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

15.

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

16.

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

17.

Computación de alto desempeño en GPU, High Performance Computing in GPU
Piccoli, María Fabiana

Formato:	Articulo, Revision
Enlaces:	Through this textbook (written in Spanish), the author introduces the GPU as a parallel computer that is able to solve general-propose problems. The book has a didactic approach, it includes the first steps to CUDA programming, some tips to take…
Fecha:	2012-08-15
Recurso:	Unversidad Nacional de La Plata

Recurso libre

18.

TCP Performance
Marrone, Luis Armando - Barbieri, Andrés - Robles, Matías

Formato:	Articulo, Articulo
Enlaces:	At present there are different TCP versions providing different performances. In this work the three of them: Reno, CUBIC and Vegas are considered. We simulate a WAN type network analyzing the throughput and performance of these TCP variants in order…
Fecha:	2013-03-25
Recurso:	Unversidad Nacional de La Plata

Recurso libre

19.

Analysis of suitable languages to teach Procedural Programming at the Universidad Nacional del Noroeste de la provincia de Buenos Aires
Osella Massa, Germán Leandro - Russo, Claudia Cecilia - Sarobe, Mónica - Pompei, Sabrina

Formato:	Articulo, Articulo
Enlaces:	Based on the need to update the language and tools used to teach Procedural Programming during the first year of computer science careers, a cross descriptive research was conducted by assessing different programming languages. The analysis involved a total of…
Fecha:	2013-03-26
Recurso:	Unversidad Nacional de La Plata

Recurso libre

20.

Quality of Service in mobile ad hoc networks
Soufy, Khaled Abdullah Mohammed Al

Formato:	Articulo, Revision
Enlaces:	To support multimedia applications, it is desirable that an ad hoc network has a provision of Quality of Service (QoS). However, the provision of QoS in an ad hoc network is a challenging task due to its inherent…
Fecha:	2013-03-26
Recurso:	Unversidad Nacional de La Plata

Recurso libre

21.

Using thematic contexts and previous solutions for maintaining and accessing institutional repositories
Delgado, Pablo H. - Maguitman, Ana Gabriela - Ferracutti, Victor M. - Herrera, Luis A.

Formato:	Articulo, Articulo
Enlaces:	Institutional Repositories are collections of digital resources organized to facilitate their long term access. Two fundamental issues that need to be addressed at the moment of implementing these repositories are their maintenance and search instruments. This article describes an intelligent…
Fecha:	2011-10-26
Recurso:	Unversidad Nacional de La Plata

Recurso libre

22.

Image steganography: hiding short audio messages withidin digital images
Khalil, M.I.

Formato:	Articulo, Articulo
Enlaces:	It is sometimes not enough to keep the contents of a message secret, it may also be necessary to keep the existence of the message secret. The technique used to implement this, is called steganography and it is the process…
Fecha:	2011-10-26
Recurso:	Unversidad Nacional de La Plata

Recurso libre

23.

Forward-link throughput optimization for wireless cellular packet data networks
Ekpenyong, Moses E.

Formato:	Articulo, Articulo
Enlaces:	An attempt has been made in this paper to access the control layer of the General Packet Radio Service (GPRS) network base station (BS), using throughput optimization. We focus on the effect of packet transmissions on the throughput of forwardlink…
Fecha:	2011-10-27
Recurso:	Unversidad Nacional de La Plata

Recurso libre

24.

Fuzzy classification to classify the income category based on entropy
Srinivasan, Vaiyapuri - Govind, Rajenderan - Jagannathan, Vandar Kuzhali - Murugesan, Aruna

Formato:	Articulo, Articulo
Enlaces:	The classification problem is one of the main issues in data mining because it aims to extract a classifier which can be used to predict the classes of objects whose class table are unknown. This paper deals with classifying the…
Fecha:	2011-10-27
Recurso:	Unversidad Nacional de La Plata

Recurso libre

25.

Formal analysis of a novel mutual authentication and key agreement protocol
Saraireh, Ja'afer M. al - Saraireh, Saleh S. - Saraireh , Mohammad S. - Nabhan, Mohammad M. al

Formato:	Articulo, Articulo
Enlaces:	This research work analyzes the universal mobile telecommunication system (UMTS) authentication and key agreement (AKA) protocol, which suffers from the traffic bottleneck at home location register and authentication center (HLR/AuC). In addition, serving network has no capability to authenticate mobile…
Fecha:	2011-10-27
Recurso:	Unversidad Nacional de La Plata

Recurso libre

26.

A formal structure of separation of duty and trust in modelling delegation policy
Ogundele, Oloruntoba Samuel - Adewale, O. S. - Alese, B. K. - Falaki, S. O.

Formato:	Articulo, Articulo
Enlaces:	There are considerable number of approaches to policy specification both for security management and policy driven network management purposes as reported in [20]. This specification sort security policies into two basic types: authorization and obligation policies. Most of the researches…
Fecha:	2011-10-27
Recurso:	Unversidad Nacional de La Plata

Recurso libre

27.

Fortran refactorings for legacy systems
Méndez, Mariano

Formato:	Articulo, Revision
Enlaces:	This thesis is based on a certain type of legacy software that came from scientific research. Scientists have become one of the most important legacy code producers for many reasons. One of these is long-lived field (about 50 years old)…
Fecha:	2011-10-27
Recurso:	Unversidad Nacional de La Plata

Recurso libre

28.

Methodology for efficient execution of SPMD applications on multicore clusters
Muresano, Ronal

Formato:	Articulo, Revision
Enlaces:	Nowadays, the scientific applications are developed with more complexity and accuracy and these precisions need high computational resources to be executed. Also, the current trend in high performance computing (HPC) is to find clusters composed of Multicore nodes, and these…
Fecha:	2011-10-27
Recurso:	Unversidad Nacional de La Plata

Recurso libre

29.

Multipath fault-tolerant routing policies to deal with dynamic link failures in high speed interconnection networks
Zarza, Gonzalo

Formato:	Articulo, Revision
Enlaces:	In this thesis, we present fault-tolerant routing policies based on concepts of adaptability and deadlock freedom, capable of serving interconnection networks affected by a large number of dynamic link failures. The strongest point of this thesis is that it provides…
Fecha:	2011-10-28
Recurso:	Unversidad Nacional de La Plata

Recurso libre

30.

Ubiquigeneous networking: a distributed networking application over mobile embedded devices
Kohn, Rodolfo - Marrone, Luis Armando

Formato:	Articulo, Revision
Enlaces:	Resumen de la tesis del autor para obtener el grado de Magister en Redes de Datos de la Facultad de Informática de la UNLP, dirigida por Luis Armando Marrone.
Fecha:	2011-09-01
Recurso:	Unversidad Nacional de La Plata

Recurso libre

31.

Formalizing defeasible argumentation using a labeled deductive system
Chesñevar, Carlos Iván - Simari, Guillermo Ricardo

Formato:	Articulo, Articulo
Enlaces:	In the last years there has been and increasing demand of a variety of logical systems, prompted mostly by applications of logic in AI, logic programming an other related areas. Labeled Deductive Systems (LDS) were developed as a flexible methodology…
Fecha:	2004-03-30
Recurso:	Unversidad Nacional de La Plata

Recurso libre

32.

Environment for the simulation of different ACP and error recovery in Distributed Data Bases
Ruscuni, Sebastián - Bertone, Rodolfo Alfredo

Formato:	Articulo, Articulo
Enlaces:	This paper presents an evolution of a simulation environment where situations in which a DDB should maintain data integrity are modeled and implemented. These situations include failures taking place during transactions, and the focus is mainly on the utilization and…
Fecha:	2004-03-31
Recurso:	Unversidad Nacional de La Plata

Recurso libre

33.

Coscheduling techniques and monitoring tools for non-dedicated cluster computing
Solsona Theás, Francesc - Giné de Solà, Francesc - Hernández Budé, Porfidio - Luque Fadón, Emilio

Formato:	Articulo, Articulo
Enlaces:	Our efforts are directed towards the understanding of the coscheduling mechanism in a NOW system when a parallel job is executed jointly with local workloads, balancing parallel perfor-mance against the local interactive response. Explicit and implicit coscheduling techniques in a…
Fecha:	2004-03-15
Recurso:	Unversidad Nacional de La Plata

Recurso libre

34.

Revision of informant plausibility in multi-Agent system
Simari, Guillermo Ricardo - Falappa, Marcelo Alejandro

Formato:	Articulo, Articulo
Enlaces:	Within the context of multi-agent systems, an agent may often find itself in a position where it receives information through informants. These informants are independent agents who have their own interests and, therefore are not necessarily completely reliable. It is…
Fecha:	2004-03-19
Recurso:	Unversidad Nacional de La Plata

Recurso libre

35.

Parallel processing applied to the design of concrete encased grounding electrodes
Murta Vale, María Helena - de Aquino Silveira, Humberto - Visacro Filho, Silvério - Matsumoto Sato, Liria

Formato:	Articulo, Articulo
Enlaces:	This work presents the authors investigation regarding the application of parallel processing to the design of grounding systems, comprising concrete encased electrodes. The natural parallelism of the involved tasks and the large time-consuming characteristic of sequential processing for this kind…
Fecha:	2004-03-24
Recurso:	Unversidad Nacional de La Plata

Recurso libre

36.

Using boolean circuits for the parallel computation of queries
Gagliardi, Edilma Olinda - Herrera, Norma Edith - Reyes, Nora Susana - Turull Torres, José María

Formato:	Articulo, Articulo
Enlaces:	We present partial results of a research project in which we use boolean circuits as a parallel computation model for the expression of queries to relational databases. For that purpose, we use the well-known equivalence between First Order Logic (FO)…
Fecha:	2004-03-25
Recurso:	Unversidad Nacional de La Plata

Recurso libre

37.

Parallelization of image similarity analysis
Naiouf, Marcelo - Tarrío, Diego F. - De Giusti, Armando Eduardo - De Giusti, Laura Cristina

Formato:	Articulo, Articulo
Enlaces:	The algorithmical architecture and structure is presented for the parallelization of image similarity analysis, based on obtaining multiple digital signatures for each image, in which each "signature" is composed by the most representative coefficients of the wavelet transform of the…
Fecha:	2004-03-26
Recurso:	Unversidad Nacional de La Plata

Recurso libre

38.

Instantaneous messaging system: a distributed approach
García, Pablo S. - Silva, Omar E. - Ardenghi, Jorge Raúl

Formato:	Articulo, Articulo
Enlaces:	This work presents the development of an instantaneous messaging system, which is centered on the distributed handling of user groups. The method pro-posed for handling of groups has several distinctive characteristics: the non exis-tence of a moderator for each group,…
Fecha:	2004-03-26
Recurso:	Unversidad Nacional de La Plata

Recurso libre

39.

Enhancing evolutionary algorithms through recombination and parallelism, Enhancing evolutionary algorithms through recombination and parallelismm
Gallard, Raúl Hector - Esquivel, Susana Cecilia

Formato:	Articulo, Articulo
Enlaces:	Evolutionary computation (EC) has been recently recognized as a research field, which studies a new type of algorithms: Evolutionary Algorithms (EAs). These algorithms process populations of solutions as opposed to most traditional approaches which improve a single solution. All these…
Fecha:	2004-03-26
Recurso:	Unversidad Nacional de La Plata

Recurso libre

40.

A new AntTree-based algorithm for clustering short-text corpora
Errecalde, Marcelo Luis - Ingaramo, Diego Alejandro - Rosso, Paolo

Formato:	Articulo, Articulo
Enlaces:	Research work on "short-text clustering" is a very important research area due to the current tendency for people to use "small-language", e.g. blogs, textmessaging and others. In some recent works, new bioinspired clustering algorithms have been proposed to deal with…
Fecha:	2010-03-22
Recurso:	Unversidad Nacional de La Plata

Recurso libre

41.

Using combination of actions in reinforcement learning
Karanik, Marcelo J. - Gramajo, Sergio D.

Formato:	Articulo, Articulo
Enlaces:	Software agents are programs that can observe their environment and act in an attempt to reach their design goals. In most cases the selection of particular agent architecture determines the behaviour in response to the different problem states However, there…
Fecha:	2010-03-22
Recurso:	Unversidad Nacional de La Plata

Recurso libre

42.

Tools selection criteria in software-developing Small and Medium Enterprises, Tools selection criteria in software-developing small and medium enterprises
Rivas, Lornel - Pérez, María - Mendoza, Luis E. - Grimán, Anna

Formato:	Articulo, Articulo
Enlaces:	Nowadays,it's well-known that Small and Medium Enterprises (SMEs) generate important contributions to the software industry. Their particular characteristics constitute a challenge to decision makers when selecting technologies, like Software Engineering Tools (SETs). Deciding in which SET to invest requires managing…
Fecha:	2010-03-22
Recurso:	Unversidad Nacional de La Plata

Recurso libre

43.

Subquery allocations in distributed databases using genetic algorithms
Gorla, Narasimhaiah - Song, Suk-Kyu

Formato:	Articulo, Articulo
Enlaces:	Minimization of query execution time is an important performance objective in distributed databases design. While total time is to be minimized for On Line Transaction Processing (OLTP) type queries, response time has to be minimized in Decision Support type queries.…
Fecha:	2010-03-22
Recurso:	Unversidad Nacional de La Plata

Recurso libre

44.

Relative signal strength coverage optimization in indoor and outdoor wireless LAN environments
Ekpenyong, Moses E. - Umoren, UduakObong M. - Bassey, Udoma J.

Formato:	Articulo, Articulo
Enlaces:	Fading and obstacles constitute major threats to effective quality of service (QoS) delivery in wireless local area network (WLAN) environments. In this contribution, we investigate the signal quality of indoor and outdoor WLANs over a defined coverage area. We present…
Fecha:	2013-03-25
Recurso:	Unversidad Nacional de La Plata

Recurso libre

45.

Development of multi-level system of steganography
Ogundele, Tunde Joseph - Adetunmbi, Adebayo Olusola

Formato:	Articulo, Articulo
Enlaces:	Internet world is characterized by many users among which are crackers and thieves. Hence, the need for a secured system to safely exchange confidential information among users across the web is required. Of such tool is steganography that simply hides…
Fecha:	2013-03-26
Recurso:	Unversidad Nacional de La Plata

Recurso libre

46.

Smart cameras
Leiva, Lucas - Acosta, Nelson

Formato:	Articulo, Revision
Enlaces:	The computer vision based applications market is increasing since several years ago. A lot of new application areas are incorporating this type of systems to solve particular problems. An emergent trend in last decades is incorporate dedicated devices to particular…
Fecha:	2013-03-26
Recurso:	Unversidad Nacional de La Plata

Recurso libre

47.

Fetch unit design for scalable simultaneous multithreading (ScSMT)
Moure, Juan Carlos - Rexachs del Rosario, Dolores - Luque Fadón, Emilio

Formato:	Articulo, Articulo
Enlaces:	Continuous IC process enhancements make possible to integrate on a single chip the re-sources required for simultaneously executing multiple control flows or threads, exploiting different levels of thread-level parallelism: application-, function-, and loop-level. Scalable simultaneous multi-threading combines static and dynamic…
Fecha:	2004-03-29
Recurso:	Unversidad Nacional de La Plata

Recurso libre

48.

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

49.

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

50.

A comparison of different evolutive niching strategies for identifying a set of selfsimilar contractions for the IFS inverse problem
Gutiérrez Llorente, José Manuel - Ivanissevich, María Laura - Cofiño, A. S.

Formato:	Articulo, Articulo
Enlaces:	The key problem in fractal image compression is that of obtaining the IFS code (a set of linear transformations)which approximates a given image with a certain prescribed accuracy (inverse IFS problem).In this paper,we analyze and compare the performance of sharing…
Fecha:	2004-03-22
Recurso:	Unversidad Nacional de La Plata

Recurso libre

51.

A Broadcast Disk scheme for mobile information system
Sumari, Putra - Mat Darus, Rozaida - Rahiman, Amir Rizaan

Formato:	Articulo, Articulo
Enlaces:	The rapidly expanding technology of cellular communications, wireless local area network (LAN), wireless data networks and satellite gives mobile users the ability of accessing information anywhere and anytime. Data broadcasting algorithm plays an important role as it instructs the server…
Fecha:	2010-03-22
Recurso:	Unversidad Nacional de La Plata

Recurso libre

52.

Semantics-based color assignment in visualization
Larrea, Martín Leonardo - Martig, Sergio R. - Castro, Silvia Mabel

Formato:	Articulo, Articulo
Enlaces:	The active use and manipulation of visual representations makes many complex and intensive cognitive tasks feasible. A visual representation is able to convey relationships among many elements in parallel and it provides an individual with directly observable memory. A successful…
Fecha:	2010-03-22
Recurso:	Unversidad Nacional de La Plata

Recurso libre

53.

Throughput quantitative analysis of EDCA 802.11e in different scenarios
Perez, Santiago Cristobal - Facchini, Higinio Alberto - Mercado, Gustavo - Bisaro, Luis - Campos, Javier

Formato:	Articulo, Articulo
Enlaces:	This document presents a quantitative analysis of the direct and relative throughput of IEEE 802.11e. The global throughput of an 802.11e WLAN is determined by EDCA (Enhanced Distributed Channel Access) parameters, among other aspects, that are usually configured with predetermined…
Fecha:	2013-03-26
Recurso:	Unversidad Nacional de La Plata

Recurso libre

54.

Spanish sign language interpreter for mexican linguistics
Juan Barragán, Francisco Javier - Pérez Grana, José Arturo - Cervantes, Francisco - Schwarzblat y Katz, Morris - Olide Márquez, María Guadalupe - Pérez Sánchez, Ana Paola

Formato:	Articulo, Articulo
Enlaces:	We present here the first visual interface for a Mexican Spanish Sign Language translator on its first development stage: sign-writing recognition. The software was developed for the unique characteristics of Mexican linguistics and was designed in order to use sentences…
Fecha:	2013-03-26
Recurso:	Unversidad Nacional de La Plata

Recurso libre

55.

Knowledge extraction in large databases using adaptive strategies
Hasperué, Waldo

Formato:	Articulo, Revision
Enlaces:	The general objective of this thesis is the development of an adaptive technique for extracting knowledge in large databases. Nowadays, technology allows storing huge volumes of information. For this reason, the availability of techniques that allow, as a first stage,…
Fecha:	2013-03-26
Recurso:	Unversidad Nacional de La Plata

Recurso libre

56.

Defeasible logic programming: language definition, operational semantics, and parallelism
García, Alejandro Javier

Formato:	Articulo, Revision
Enlaces:	This thesis defines Defeasible Logic Programming and provides a concrete specification of this new language through its operational semantics. Defeasible Logic Programming, or DeLP for short, has been defined based on the Logic Programming paradigm and considering features of recent…
Fecha:	2011-09-01
Recurso:	Unversidad Nacional de La Plata

Recurso libre

57.

Distributed environment applied to HR formation/training: a cooperative/collaborative learning model
Lage, Fernando Javier

Formato:	Articulo, Revision
Enlaces:	The subject matter of this work is focused in the development of an application for team work over a distributed system belonging to an organization. This choice is based in the organizations need of their members’ continuing formation/training, and of…
Fecha:	2011-09-02
Recurso:	Unversidad Nacional de La Plata

Recurso libre

58.

Error analysis in lossy compressed image transmission algorithms
Ramón, Hugo Dionisio

Formato:	Articulo, Revision
Enlaces:	There is a need of counting on precise measurements of subjective losses that can be used for predicting the quality of an image. The objective of the present work is to determine these distortion measurements and test the use of…
Fecha:	2011-09-02
Recurso:	Unversidad Nacional de La Plata

Recurso libre

59.

Heterogeneous parallel-distributed processing applied to process engineering
Vázquez, Gustavo Esteban

Formato:	Articulo, Revision
Enlaces:	The main goal of this thesis was to design new parallel processing strategies specially conceived for distributed environments in order to solve numerical and structural problems from the field of process systems engineering more efficiently. More specifically, the numerical sample…
Fecha:	2011-09-02
Recurso:	Unversidad Nacional de La Plata

Recurso libre

60.

A high-level perception architecture: real-time visual navigation for autonomous robots in structured environments
López de Teruel Alcolea, Pedro E.

Formato:	Articulo, Revision
Enlaces:	This thesis describes the design and implementation of a mobile robot which is able to perform a structural interpretation of indoor environments, using only visual and proprioceptive sensory information. The desired behaviour is real-time navigation based on this interpretation, instead…
Fecha:	2011-09-02
Recurso:	Unversidad Nacional de La Plata

Recurso libre

61.

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

62.

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

63.

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

64.

Design, implementation, and evaluation of a new journaling file system with data and meta-data separation
Piernas Cánovas, Juan

Formato:	Articulo, Revision
Enlaces:	This thesis describes the design, implementation and evaluation of a journaling file system called DualFS. Our main goal is to improve disk I/O by designing a new file system which must have two features: a better performance than that of…
Fecha:	2011-09-02
Recurso:	Unversidad Nacional de La Plata

Recurso libre

65.

Test of distributed applications migration to Web environments
Ciolli, María Elena

Formato:	Articulo, Revision
Enlaces:	This essay is based on a previous “regression” testing knowledge, black box testing and user graphic interfaces testing. Besides, due to the fact that the testing life cycle is inside the software life cycle, the suggested focus promotes existing test…
Fecha:	2011-08-31
Recurso:	Unversidad Nacional de La Plata

Recurso libre

66.

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

67.

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

68.

Reducing branch misprediction penalty through confidence estimation
Aragón, Juan Luis

Formato:	Articulo, Revision
Enlaces:	The goal of this Thesis is reducing the global penalty associated to branch mispredictions, in terms of both performance degradation and energy consumption, through the use of confidence estimation. The reduction of this global penalty has been achieved, firstly, by…
Fecha:	2011-09-02
Recurso:	Unversidad Nacional de La Plata

Recurso libre

69.

Spherical layout layout for 3D graph visualization
Larrea, Martín Leonardo

Formato:	Articulo, Revision
Enlaces:	The goal of this work was centered in the graph visualization. The hope is that the extra dimension would give, literally, more space, and that this would ease the problem of displaying large structures. In spite of their apparent simplicity,…
Fecha:	2011-09-01
Recurso:	Unversidad Nacional de La Plata

Recurso libre

70.

Sistema basado en redes neuronales digitales aplicado a la predicción climática en ambientes con microclima controlado
Tosini, Marcelo Alejandro

Formato:	Articulo, Revision
Enlaces:	This thesis describes the design, implementation and evaluation of FPGA Architecture of a Digital ANN (Artificial Neural Networks) by using four components: data memory, weights memory, neuron module, and control unit. All these components have a generic orthogonal structure in…
Fecha:	2011-09-01
Recurso:	Unversidad Nacional de La Plata

Recurso libre

71.

Disjoint multipath routing for mobile ad hoc networks
Abbas, Ash Mohammad

Formato:	Articulo, Revision
Enlaces:	In this thesis, we emphasized the need to use multiple node-disjoint paths between a given source and destination. The use of node-disjoint paths not only allows different paths to share the trafﬁc, but also provides fault-tolerance to some extent. However,…
Fecha:	2011-09-01
Recurso:	Unversidad Nacional de La Plata

Recurso libre

72.

Feedback scheduling of real-time control systems with resource constraints
Xia, Feng

Formato:	Articulo, Revision
Enlaces:	This thesis observes the emerging trend of convergence of control with computing and communication. By exploiting control and scheduling codesign, we study some practical and open problems in RTCSs from a unique viewpoint of dynamic resource management. Considering constraints on…
Fecha:	2011-08-31
Recurso:	Unversidad Nacional de La Plata

Recurso libre

73.

Semiotics of the web interface: analysis and guidelines
Nazrul Islam, Muhammad

Formato:	Articulo, Revision
Enlaces:	The growth of technological innovations, internet developments, and their (web) applications has raised a definite issue on retaining the web interface quite understandable, and a need is also being felt on developing suitable and coherent guidelines for designing interface to…
Fecha:	2011-08-31
Recurso:	Unversidad Nacional de La Plata

Recurso libre

74.

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

75.

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

76.

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

77.

A formal foundation for transformations in model driven engineering
Giandini, Roxana Silvia

Formato:	Articulo, Revision
Enlaces:	In the MDE (Model Driven Engineering) paradigm, models are thought to be the primary conductors in all software development aspects. A PIM (Platform Independent Model) is transformed into one or more PSMs (Platform Specific Model); hence, a specific PSM is…
Fecha:	2011-08-31
Recurso:	Unversidad Nacional de La Plata

Recurso libre

78.

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