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Aproximadamente 31 registro(s) hasta el momento: (journal)

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Recurso libre

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

Memory disambiguation hardware: a review
Castro, Fernando - Chaver, Daniel - Piñuel, Luis - Prieto, Manuel - Tirado, Francisco

Formato:	Articulo, Articulo
Enlaces:	One of the main challenges of modern processor designs is the implementation of scalable and efficient mechanisms to detect memory access order violations as a result of out-of-order execution. Conventional structures performing this task are complex, inefficient and power-hungry. This…
Fecha:	2009-04-13
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Performance evaluation of applications for heterogeneous systems by means of performance Probes
Strube, Alexandre Otto

Formato:	Articulo, Revision
Enlaces:	This work describes a novel way to select the best computer node out of a pool of available potentially heterogeneous computing nodes for the execution of computational tasks. This is a very basic and diffi cult problem of computer science…
Fecha:	2012-04-09
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Supply chain and logistics in national, international and governmental environment, concept and models
Palma, Ricardo R.

Formato:	Articulo, Revision
Enlaces:	The book is full of concepts and application models that can lead us to better understand how this paradigm shift application development of "Software Factory" can help SMEs. It shows how slowly is bypassing the traditional scheme based on the…
Fecha:	2012-04-09
Recurso:	Unversidad Nacional de La Plata

Recurso libre

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

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

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

Capital accumulation, trade liberalization, and rising wage inequality: the case of Argentina
Acosta, Pablo - Gasparini, Leonardo

Formato:	Articulo, Documento de trabajo
Enlaces:	Capital accumulation can modify the relative productivity between skilled and unskilled workers, thus leading to changes in the wage structure. In particular, if capital goods are relatively more complementary to skilled workers in the production function (skill-biased technologies), a positive…
Fecha:	2004-04-23
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Taller Portal de Revistas UNLP - 2ª edición
De Giusti, Marisa Raquel - Lira, Ariel Jorge - Jaquenod De Giusti, Gisele - Villarreal, Gonzalo Luján - Reynoso, Matías

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Para facilitar la gestión de revistas, su publicación y difusión en línea la UNLP ha creado el proyecto denominado Portal de Revistas de la UNLP. El portal sirve a revistas existentes que no cuentan con una versión digital, a…
Fecha:	2009-04-20
Recurso:	Unversidad Nacional de La Plata

Recurso libre

10.

Model evolution and system evolution
Pons, Claudia - Baum, Gabriel Alfredo - Kutsche, Ralf-Detlef

Formato:	Articulo, Articulo
Enlaces:	In this paper we define an evolution mechanism with formal semantics using the metamodeling methodology [Geisler et al.98] based on dynamic logic. A remarkable feature of the metamodeling methodology is the ability to define the relation of intentional and extensional…
Fecha:	2004-04-14
Recurso:	Unversidad Nacional de La Plata

Recurso libre

11.

Performance of scientific processing in networks of workstations: matrix multiplication example
Tinetti, Fernando Gustavo

Formato:	Articulo, Articulo
Enlaces:	Parallel computing on networks of workstations are intensively used in some application areas such as linear algebra operations. Topics such as processing as well as communication hardware heterogeneity are considered solved by the use of parallel processing libraries, but experimentation…
Fecha:	2004-04-02
Recurso:	Unversidad Nacional de La Plata

Recurso libre

12.

MINIX4RT: Real-time Semaphores
Pessolani, Pablo Andrés

Formato:	Articulo, Articulo
Enlaces:	MINIX4RT is an extension of the well-known MINIX Operating System that adds Hard Real-Time services in a new microkernel but keeping backward compatibility with standard MINIX versions. Semaphores are the primitive synchronization and mutual exclusion mechanism in many operating systems,…
Fecha:	2009-04-13
Recurso:	Unversidad Nacional de La Plata

Recurso libre

13.

Nearest neighbor affinity scheduling in heterogeneous multi-core architectures
Sibai, Fadi N.

Formato:	Articulo, Articulo
Enlaces:	Asymmetric or heterogeneous multi-core (AMC) architectures have definite performance, performance per watt and fault tolerance advantages for a wide range of workloads. We propose a 16 core AMC architecture mixing simple and complex cores, and single and multiple thread cores…
Fecha:	2009-04-13
Recurso:	Unversidad Nacional de La Plata

Recurso libre

14.

Comparing marker definition algorithms for watershed segmentation in microscopy images
González, Mariela A. - Cuadrado, Teresita R. - Ballarín, Virginia Laura

Formato:	Articulo, Articulo
Enlaces:	Segmentation is often a critical step in image analysis. Microscope image components show great variability of shapes, sizes, intensities and textures. An inaccurate segmentation conditions the ulterior quantification and parameter measurement. The Watershed Transform is able to distinguish extremely complex…
Fecha:	2009-04-13
Recurso:	Unversidad Nacional de La Plata

Recurso libre

15.

Optimizing constrained problems through a T-Cell artificial immune system
Aragón, Victoria S. - Esquivel, Susana Cecilia - Coello Coello, Carlos

Formato:	Articulo, Articulo
Enlaces:	In this paper, we present a new model of an artificial immune system (AIS), based on the process that suffers the T-Cell, it is called T-Cell Model. It is used for solving constrained (numerical) optimization problems. The model operates on…
Fecha:	2009-04-13
Recurso:	Unversidad Nacional de La Plata

Recurso libre

16.

E711 - A public emergency wireless phone system
Matos, Victor - Blake, Ben

Formato:	Articulo, Articulo
Enlaces:	This paper introduces the conceptual design of a new information technology integrating wireless telephony and Internet services to assist in locating lost or displaced people in a moment of crisis. This public safety service is based on a novel text…
Fecha:	2009-04-13
Recurso:	Unversidad Nacional de La Plata

Recurso libre

17.

High performance customizable architecture for machine vision applications
Leiva, Lucas - Acosta, Nelson

Formato:	Articulo, Articulo
Enlaces:	Vision based applications are present anywhere. A special market is industry, allowing to improve product quality and to reduce manufacturing costs. The vision systems applied to industries are known as machine vision systems. These systems must meet time constraints to…
Fecha:	2012-04-09
Recurso:	Unversidad Nacional de La Plata

Recurso libre

18.

Probabilistic multicast trees
Wolff, Francis G. - McIntyre, David R. - Johnston, David A.

Formato:	Articulo, Articulo
Enlaces:	Delivery of the same data content to many clients simultaneously over the Internet continues to be a challenging problem. Multicasting using a single tree structure for data distribution has been shown to be an effective methodology for distribution of data.…
Fecha:	2012-04-09
Recurso:	Unversidad Nacional de La Plata

Recurso libre

19.

Mobile-phone based patient compliance system for chronic illness care in Nigeria
Akinbode, O. P. - Longe, O. L. - Amosa, B.M.G.

Formato:	Articulo, Articulo
Enlaces:	To improve chronic illness care, patients must be empowered and engaged in health self-management. However, only half of all patients with chronic illness comply with treatment programme. The self-regulation model needs practical tools to help patients adopt this selfcentered approach…
Fecha:	2012-04-09
Recurso:	Unversidad Nacional de La Plata

Recurso libre

20.

Watermarking techniques for protecting intellectual properties in a digital environment
Aroge, T. K. - Isinkaye, F. O.

Formato:	Articulo, Articulo
Enlaces:	The protection and enforcement of intellectual property rights for digital media has become an important issue in many countries of the world. There is increase in the popularity and accessibility of the Internet to record, edit, replicate and broadcast multimedia…
Fecha:	2012-04-09
Recurso:	Unversidad Nacional de La Plata

Recurso libre

21.

Umpiring security Models for MANETS
Kathirvel, Ayyaswamy

Formato:	Articulo, Revision
Enlaces:	In wireless mobile ad hoc networks, packet delivery is achieved through two closely related network-layer operations: ad hoc routing and packet forwarding. As a result any security solution should encompass the protection of both. Protecting the network layer operations such…
Fecha:	2012-04-09
Recurso:	Unversidad Nacional de La Plata

Recurso libre

22.

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

23.

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

24.

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

25.

Tracing out the effects of demographic changes on the income distribution: the case of Greater Buenos Aires 1980-2000
Marchionni, Mariana - Gasparini, Leonardo

Formato:	Articulo, Documento de trabajo
Enlaces:	Durante las décadas de 1980 y 1990, las decisiones de fertilidad variaron de manera significativa y diferenciada a lo largo de la distribución del ingreso en Argentina. En este trabajo se estudian los efectos de estos cambios demográficos en la…
Fecha:	2004-04-26
Recurso:	Unversidad Nacional de La Plata

Recurso libre

26.

An economic view of indirect reputation management for grids
Echaiz, Javier - Ardenghi, Jorge Raúl

Formato:	Articulo, Articulo
Enlaces:	Scientific collaboration are becoming interdisciplinary, and scientists are working in informal collaboration to solve complex problems that require multiple types of large resources. An option is a computational grid. A computational grid is a distributed infrastructure that appears to the…
Fecha:	2009-04-13
Recurso:	Unversidad Nacional de La Plata

Recurso libre

27.

ICT "Tools" to Improve Quality Assurance in Africa Educational System (Nigeria as Case Study)
Rufai, M. M. - Adigun, J. O. - Yekini, N. A.

Formato:	Articulo, Articulo
Enlaces:	This research paper uses the terms "tools" to include the computer hardware, software, and connectivity put together under the title Information and Communication Technology (ICT). Authors of this research work considered Indicators of declining quality and wastage in the education…
Fecha:	2012-04-09
Recurso:	Unversidad Nacional de La Plata

Recurso libre

28.

A novel algorithm with IM-LSI index for incremental maintenance of materialized view
Rangarajan, K. - Kumaravel, A. - Nalini, T.

Formato:	Articulo, Articulo
Enlaces:	The ability to afford decision makers with both accurate and timely consolidated information as well as rapid query response times is the fundamental requirement for the success of a Data Warehouse. To provide fast access, a data warehouse stores materialized…
Fecha:	2012-04-09
Recurso:	Unversidad Nacional de La Plata

Recurso libre

29.

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

30.

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

31.

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