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Aproximadamente 76 registro(s) hasta el momento: (journal)

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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

Two fuzziness indexes proposed by Kaufmann: observations about them
Sierra Duque, Carlos M. - Álvarez, Hernán

Formato:	Articulo, Articulo
Enlaces:	Professor Arnold Kaufmann did propose at least two types of indexes for estimating fuzziness in finite standard fuzzy sets. First one has an analogue formulation to that stated by Claude Shannon for measuring uncertainty in a given system. Shannon formulation…
Fecha:	2009-05-18
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Extracting contour lines from topographic maps based on cartography and graphics knowledge
Wu, Rui-Qing - Cheng, Xi-Ran - Yang, Cun-Jian

Formato:	Articulo, Articulo
Enlaces:	This paper addresses the problem of contour line extraction from scanned topographic maps in poor condition. A novel method is developed, using knowledge of cartography and graphics to extract contours by removing other layers which overlay the contours, and reconstructing…
Fecha:	2009-10-09
Recurso:	Unversidad Nacional de La Plata

Recurso libre

The studies on hydrophilic-lipophilic balance (HLB): sixty years after William C. Griffin's pioneer work (1949-2009)
Pasquali, Ricardo C. - Sacco, Natalia - Bregni, Carlos

Formato:	Articulo, Articulo
Enlaces:	The Hydrophilic-Lipophilic Balance (HLB)was formally presented by William C. Griffin sixty years ago at a meeting in Chicago for the first time and later on in an article published in the first volume of the Journal of the Society of…
Fecha:	2009-06-24
Recurso:	Unversidad Nacional de La Plata

Recurso libre

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

Measuring the component of a divide and conquer skeleton
Printista, Alicia Marcela - Saez, Fernando

Formato:	Articulo, Articulo
Enlaces:	Current performance prediction analytical models try to characterize the performance behavior of actual machines through a small set of parameters. Due to different factors, the predicted times suffer substantial deviations. A natural approach is to associate a different proportionality constant…
Fecha:	2009-05-18
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Global and local selection in differential evolution for constrained numerical optimization
Mezura-Montes, Efrén - Monterrosa-López, Carlos A.

Formato:	Articulo, Articulo
Enlaces:	The performance of two selection mechanisms used in the most popular variant of differential evolution, known as DE/rand/1/bin, are compared in the solution of constrained numerical optimization problems. Four performance measures proposed in the specialized literature are used to analyze…
Fecha:	2009-10-09
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Hybrid approach for designing smart adaptive Web Sites
Kelash, Hamdey M. - Koutb, Magdy M. - Abu Al Kahir, Mona M.

Formato:	Articulo, Articulo
Enlaces:	The very beginning of the research on Smart Adaptive Web Systems (SAWS). They are systems that adapt their response based on the context in which they are used. In AWS, three main sources of information have been identified are: user,…
Fecha:	2009-10-09
Recurso:	Unversidad Nacional de La Plata

Recurso libre

10.

Robust realtime face recognition and tracking system
Chen, Kai - Zhao, Le Jun

Formato:	Articulo, Articulo
Enlaces:	There s some very important meaning in the study of realtime face recognition and tracking system for the video monitoring and artifical vision. The current method is still very susceptible to the illumination condition, non-real time and very common to…
Fecha:	2009-10-09
Recurso:	Unversidad Nacional de La Plata

Recurso libre

11.

A simulation agent for efficient network evaluation in 3G cellular mobile radio planning
Isabona, Joseph - Ekpenyong, Moses E. - Akhirevbulu, Ojeabu

Formato:	Articulo, Articulo
Enlaces:	An accurate procedure for evaluating the strong correlation and conflicting goals of coverage, capacity and Quality of Service (QoS) is required for efficient planning of 3G radio networks. In this paper, we explore and implement an agent-based simulation methodology which…
Fecha:	2009-10-09
Recurso:	Unversidad Nacional de La Plata

Recurso libre

12.

Platform for collection from heterogeneous web sources and its application to a semantic repository organization at SeDiCI: Preliminaries
De Giusti, Marisa Raquel - Sobrado, Ariel - Vosou, Agustín

Formato:	Articulo, Articulo
Enlaces:	Presentation of a web collection platform designed to relate and unify information available on different standard web sources with a view to creating a userbrowseable thematic repository. The platform will be used at the Intellectual Creation Diffusion Service combined with…
Fecha:	2009-10-09
Recurso:	Unversidad Nacional de La Plata

Recurso libre

13.

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

14.

Optimized cost effective approach for selection of materialized views in data warehousing
Ashadevi, B. - Balasubramanian, R

Formato:	Articulo, Articulo
Enlaces:	A data warehouse efficiently processes a given set of queries by utilizing the multiple materialized views. Owing to the constraint on space and maintenance cost, the materialization of all views is unfeasible. One of the critical decisions involved in the…
Fecha:	2009-05-18
Recurso:	Unversidad Nacional de La Plata

Recurso libre

15.

Semiclassical grounds of the Calderbank-Shor-Steane quantum error correction codes
Avila Aoki, Manuel

Formato:	Articulo, Articulo
Enlaces:	A valid Calderbank-Shor-Steane (CSS) error correction code requires two classical linear codes for the preparation of the initial state (codewords). This code allow to correct for certain errors caused by an unwanted interaction which produces a degraded quantum state. However,…
Fecha:	2009-10-09
Recurso:	Unversidad Nacional de La Plata

Recurso libre

16.

Reduced computational cost in the calculation of worst case response time for real time systems
Urriza, José M. - Schorb, Lucas - Orozco, Javier D. - Cayssials, Ricardo

Formato:	Articulo, Articulo
Enlaces:	Modern Real Time Operating Systems require reducing computational costs even though the microprocessors become more powerful each day. It is usual that Real Time Operating Systems for embedded systems have advance features to administrate the resources of the applications that…
Fecha:	2009-10-09
Recurso:	Unversidad Nacional de La Plata

Recurso libre

17.

Power aware routing in ad hoc wireless networks
Rishiwal, Vinay - Yadav, Mano - Bajapai, S. K. - Verma, S.

Formato:	Articulo, Articulo
Enlaces:	Development of the efficient power aware protocol is the need of today s adhoc networks. Although developing battery efficient systems that have low cost and complexity, remains a crucial issue. In order to facilitate communication within a mobile adhoc network,…
Fecha:	2009-10-09
Recurso:	Unversidad Nacional de La Plata

Recurso libre

18.

Using OpenMP: Portable Shared Memory Parallel Programming
Tinetti, Fernando Gustavo

Formato:	Articulo, Revision
Enlaces:	The book <i>Using OpenMP: Portable Shared Memory Parallel Programming</i>, presents OpenMP more than appropriately, from the perspective of high performance computing, which traditionally has provided most (if not all) the parallel software development strategies.
Fecha:	2010-10-01
Recurso:	Unversidad Nacional de La Plata

Recurso libre

19.

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

20.

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

21.

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

22.

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

23.

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

24.

Algorithms of the Intelligent Web
Maguitman, Ana Gabriela

Formato:	Articulo, Revision
Enlaces:	<i>Algorithms of the Intelligent Web</i> is a timely and instructive book that brings together techniques for the rapidly evolving field of intelligent web applications. It covers problems such as crawling, indexing, searching, integrating search results with link analysis and user’s…
Fecha:	2010-10-01
Recurso:	Unversidad Nacional de La Plata

Recurso libre

25.

Globally optimal triangulations of minimum weight using Ant Colony Optimization metaheuristic
Dorzán, María Gisela - Gagliardi, Edilma Olinda - Leguizamón, Mario Guillermo - Hernández Peñalver, Gregorio

Formato:	Articulo, Articulo
Enlaces:	Globally optimal triangulations are difficult to be found by deterministic methods as, for most type of criteria, no polynomial algorithm is known. In this work, we consider the Minimum Weight Triangulation (MWT) problem of a given set of n points…
Fecha:	2010-06-14
Recurso:	Unversidad Nacional de La Plata

Recurso libre

26.

Metric-temporal access methods
De Battista, Anabella - Herrera, Norma Edith - Gutiérrez Retamal, Gilberto A. - Pascal, Andrés

Formato:	Articulo, Articulo
Enlaces:	Metric-temporal databases are a new database model that combines metric spaces with temporal databases to process similarity queries within a time interval or snapshot. The Historical FHQT is a metric-temporal index which has shown to be competitive answering this type…
Fecha:	2010-06-14
Recurso:	Unversidad Nacional de La Plata

Recurso libre

27.

Discovering geographic services from textual use cases
Saldaño, Viviana E. - Buccella, Agustina - Cechich, Alejandra

Formato:	Articulo, Articulo
Enlaces:	Component Based Software Development (CBSD) relies upon utilization of previously developed software components OTS (Off-The-Shelf), which are appropriately merged to satisfy particular system requirements. However, wide acceptance of this paradigm at industry requires efficient component identification and selection, aspects which…
Fecha:	2010-06-14
Recurso:	Unversidad Nacional de La Plata

Recurso libre

28.

A quantitative framework for the evaluation of agile methodologies
Mendes Calo, Karla - Estevez, Elsa Clara - Fillottrani, Pablo Rubén

Formato:	Articulo, Articulo
Enlaces:	The methodologies for agile software development are fundamentally based on the collaboration with software users during the entire development process, the simplicity to adapt the product to changes in requirements, and on the incremental product delivery. Based on the Agile…
Fecha:	2010-06-14
Recurso:	Unversidad Nacional de La Plata

Recurso libre

29.

A defeasible logic programming approach to the integration of rules and ontologies
Gómez, Sergio Alejandro - Chesñevar, Carlos Iván - Simari, Guillermo Ricardo

Formato:	Articulo, Articulo
Enlaces:	The Semantic Web is a vision of the current Web where resources have exact meaning assigned in terms of ontologies, thus enabling agents to reason about them. As inconsistencies cannot be treated by standard reasoning approaches, we use Defeasible Logic…
Fecha:	2010-06-14
Recurso:	Unversidad Nacional de La Plata

Recurso libre

30.

MultiMice Air Hockey
Flores Choque, Damián - Castro, Silvia Mabel - Martig, Sergio R.

Formato:	Articulo, Articulo
Enlaces:	Interaction between user and computer is gradually going beyond the traditional mouse and keyboard. New ways of interaction are emerging, which use new and different means for data acquisition. Virtual or augmented reality, haptic, tangible or camerabased user interfaces are…
Fecha:	2010-06-14
Recurso:	Unversidad Nacional de La Plata

Recurso libre

31.

Dynamic generation of test cases with metaheuristics
Lanzarini, Laura Cristina - Battaiotto, Pedro Eduardo

Formato:	Articulo, Articulo
Enlaces:	The resolution of optimization problems is of great interest nowadays and has encouraged the development of various information technology methods to attempt solving them. There are several problems related to Software Engineering that can be solved by using this approach.…
Fecha:	2010-06-14
Recurso:	Unversidad Nacional de La Plata

Recurso libre

32.

Aerial image acquisition and processing for remote sensing
Manera, José F. - Rodríguez, Lucas - Delrieux, Claudio - Coppo, Ricardo

Formato:	Articulo, Articulo
Enlaces:	UAV (Unmanned Airborne Vehicle) high resolution digital image acquisition systems based on small format cameras provide a versatile alternative to the solution of environmental monitoring and remote sensing problems. Through digital image processing these small format optical and multi-spectral camera…
Fecha:	2010-06-14
Recurso:	Unversidad Nacional de La Plata

Recurso libre

33.

High availability for parallel computers
Rexachs del Rosario, Dolores - Luque Fadón, Emilio

Formato:	Articulo, Articulo
Enlaces:	Fault tolerance has become an important issue for parallel applications in the last few years. The parallel systems' users want them to be reliable considering two main dimensions, availability and data consistency. Availability can be provided with solutions such as…
Fecha:	2010-10-01
Recurso:	Unversidad Nacional de La Plata

Recurso libre

34.

Solving hard multiobjective problems with a hybridized method
Cagnina, Leticia - Esquivel, Susana Cecilia

Formato:	Articulo, Articulo
Enlaces:	This paper presents a hybrid method to solve hard multiobjective problems. The proposed approach adopts an epsilon-constraint method which uses a Particle Swarm Optimizer to get points near of the true Pareto front. In this approach, only few points will…
Fecha:	2010-10-01
Recurso:	Unversidad Nacional de La Plata

Recurso libre

35.

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

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

Recurso libre

36.

Macrocellular propagation prediction for wireless communications in urban environments
Ekpenyong, Moses E. - Robinson, Samuel - Isabona, Joseph

Formato:	Articulo, Articulo
Enlaces:	In this paper, the signal propagation characteristics of urban environments are predicted by modeling important propagation parameters of the Code Division Multiple Access (CDMA) network for macrocells. The MOPEM propagation model has been selected as a model of choice due…
Fecha:	2010-10-01
Recurso:	Unversidad Nacional de La Plata

Recurso libre

37.

Neural network based fault diagnosis procedure for the detector system of CFDF
Khalil, M.I.

Formato:	Articulo, Articulo
Enlaces:	This paper outlines and deals with the problem of fault detection, isolation and identification of the four-elements detector system attached to the Cairo Fourier diffractometer facility (CFDF) used for neutron time-of-flight (TOF) spectrum measurements. A feed forward neural network and…
Fecha:	2010-10-01
Recurso:	Unversidad Nacional de La Plata

Recurso libre

38.

A requirements specification template of a communication network based on CAN protocol to automotive embedded systems
Almudi Neto, Dario - Galvão Martins, Luiz Eduardo

Formato:	Articulo, Articulo
Enlaces:	This paper presents the results of studies that made possible to propose a particular contribution to improve the quality on developing automotive embedded systems through a requirements specification template of a communication network based on CAN protocol. The whole template…
Fecha:	2010-10-01
Recurso:	Unversidad Nacional de La Plata

Recurso libre

39.

Property rights for the poor: effects of land titling
Galiani, Sebastian - Schargrodsky, Ernesto

Formato:	Articulo, Documento de trabajo
Enlaces:	Los derechos de propiedad son considerados un factor determinante para el desarrollo económico. La evaluación de los efectos causales de los derechos de propiedad, sin embargo, es una tarea difícil, ya que su distribución es generalmente endógena. Para superar este…
Fecha:	2010-12-06
Recurso:	Unversidad Nacional de La Plata

Recurso libre

40.

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

41.

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

42.

4-(N2-1) puzzle: parallelization and performance on clusters
Sanz, Victoria María - De Giusti, Armando Eduardo - Naiouf, Marcelo

Formato:	Articulo, Articulo
Enlaces:	In this paper, an analysis of the 4-(<i>N<SUP>2</SUP></i>-1) Puzzle, which is a generalization of the (<i>N<SUP>2</SUP></i>-1) Puzzle, is presented. This problem is of interest due to its algorithmic and computational complexity and its applications to robot movements with several objectives.…
Fecha:	2010-06-14
Recurso:	Unversidad Nacional de La Plata

Recurso libre

43.

La ley de educación reformada. Cuestiones problemáticas en torno a la recurrencia de reformas educativas. (Segunda parte)
Ruiz, Guillermo

Formato:	Articulo, Articulo
Enlaces:	En este artículo, que constituye la segunda parte del trabajo previo sobre este mismo tema, se describen analíticamente diversos aspectos regulados por las leyes 24.195 y 26.206, principalmente los referidos a la política curricular y la estructura académica. Se abordan…
Fecha:	2010-07-07
Recurso:	Unversidad Nacional de La Plata

Recurso libre

44.

Sobre la estabilidad del dinero pasivo
Olivera, Julio H. G.

Formato:	Articulo, Articulo
Enlaces:	La presente nota generaliza los resultados obtenidos por el autor en su artículo "On Passive Money, Inflation, and Economic Growth", Journal of Money, Credit and Banking (1971). Demuestra, en particular, que la diferencia entre el dinero pasivo y el dinero…
Fecha:	2009-09-17
Recurso:	Unversidad Nacional de La Plata

Recurso libre

45.

A toolbox for the numerical study of linear dynamic rational expectations models
Oviedo, Pedro Marcelo

Formato:	Articulo, Articulo
Enlaces:	Se presenta una guía para resolver y estudiar modelos de expectativas racionales dinámicas lineales (LDRE). Luego de codificar el modelo, se aplica una function simple para log-linealizarlo; simular los efectos de series exógenas de shocks; calcular condiciones de momentos muestrales…
Fecha:	2009-06-11
Recurso:	Unversidad Nacional de La Plata

Recurso libre

46.

Un teorema de no equivalencia estática entre las teorías sobre la tasa de interés
Roballos, Rodolfo

Formato:	Articulo, Articulo
Enlaces:	En este trabajo presenta un caso en el que la supuesta equivalencia lógica entre las teorías de la preferencia por la liquidez y de los fondos prestables sobre la tasa de interés no se verifica: una economía monetaria de equilibrio…
Fecha:	2009-06-29
Recurso:	Unversidad Nacional de La Plata

Recurso libre

47.

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

48.

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

49.

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

50.

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