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Aproximadamente 4454 registro(s) hasta el momento: (journal)

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Recurso libre

Performance Analysis WORKSHOP, April 2nd - 5th, 2013 - Alicante, Spain
Journal of Human Sport & Exercise - Sport Health - International Network of Sport and Health Science - SportProfNet (Worldwide Community in Sport Science) - Varioo Collector

Formato:	info:eu-repo/semantics/article
Enlaces:	Descripción completa.
Fecha:	2013-07-22
Recurso:	RUA Docencia

Recurso libre

The involvement of school nurses in the delivery of sexual healthcare: experiences and training
Thurston, Chris - Walker, Susan H.

Formato:	Article
Enlaces:	Study of educational experiences and needs of school nurses involved in delivering sex and realtionships education in one Primary Care Trust in England, This paper reports a study of the involvement of school nurses, in one primary care trust (PCT)…
Fecha:	2011-09-22
Recurso:	Anglia Ruskin University

Recurso libre

Species-specific disturbance tolerance, competition and positive interactions along an anthropogenic disturbance gradient
Villarreal-Barajas, T - Martorell-Delgado, Carlos

Formato:	Article
Enlaces:	Question As it has been found that stress promotes positive interactions mediated by physical amelioration of the environment, is it possible that interactions may turn positive with increasing chronic anthropogenic disturbance (CAD) intensity? Also, is it possible that species that…
Fecha:	2011-01-22
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

Nurse rocks are more important than nurse plants in determining the distribution and establishment of globose cacti (Mammillaria) in the Tehuacan Valley, Mexico
Peters, EM - Martorell-Delgado, Carlos - Ezcurra, E

Formato:	Article
Enlaces:	While it is widely acknowledged that nurse-plants facilitate the establishment of seedlings in drylands, there are several anecdotal reports on associations between cacti and rocks. We assessed the preference for rocks or shrubs from the spatial distribution of eight cactus…
Fecha:	2011-01-22
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

Floristic and structural contrasts between natural savannas and anthropogenic pastures in a tropical dry landscape
López-Olmedo, LI - Meave del Castillo, Jorge Arturo - Pérez-García, Eduardo Alberto

Formato:	Article
Enlaces:	The magnitude of the biological differentiation between natural savannas and pastures (anthropogenic grasslands) coexisting in a single landscape, in terms of their floristic composition and community structure, was studied in the Nizanda region, Isthmus of Tehuantepec, Oaxaca State, southern Mexico.…
Fecha:	2011-01-22
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

Globose cacti (Mammillaria) living on cliffs avoid high temperatures in a hot dryland of Southern Mexico
Martorell-Delgado, Carlos - Patiño, P

Formato:	Article
Enlaces:	Succulent plants are prone to overheating due to their massive organs and lack of daytime transpiration. Thus, they frequently grow in cool microenvironments. Due to their verticality, cliffs avoid sunlight at noon, providing a cool refuge during the hottest hours…
Fecha:	2011-01-22
Recurso:	Facultad de Ciencias - UNAM

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Coastal sand dune vegetation of Tabasco and Campeche, Mexico
Castillo-Argüero, Silvia - Popma, J - Moreno-Casasola, P

Formato:	Article
Enlaces:	Sand dune vegetation along the coast of the Mexican states of Tabasco and Campeche was sampled by means of 1501 releves and the data were analyzed with classification and ordination programs. 36 community types were distinguished, which were grouped into…
Fecha:	2011-01-22
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

Coexistence and divergence of tropical dry forests and savannas in southern Mexico
Pérez-García, Eduardo Alberto - Meave del Castillo, Jorge Arturo

Formato:	Article
Enlaces:	Aim: The purpose of the study was to assess the degree of floristic differentiation between tropical dry forest (TDF) and savanna occurring in a single landscape. This comparison provides information on the responses of vegetation to the prevailing environmental conditions,…
Fecha:	2011-01-22
Recurso:	Facultad de Ciencias - UNAM

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Biogeographical analysis of the tree flora of the Yucatan Peninsula
Ibarra-Manríquez, G - Villaseñor, JL - Duran, R - Meave del Castillo, Jorge Arturo

Formato:	Article
Enlaces:	Aim The purpose of this study was to examine the biogeographical relationships of the tree flora of the Yucatan Peninsula (YP2). To this aim we: (1) evaluated the affinities of political entities of tropical America with the Yucatan Peninsula, considering…
Fecha:	2011-01-22
Recurso:	Facultad de Ciencias - UNAM

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10.

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

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11.

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

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12.

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

13.

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

14.

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

15.

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

16.

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

17.

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

18.

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

19.

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

20.

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

21.

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

22.

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

23.

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

24.

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

25.

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

26.

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

27.

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

28.

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

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.

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

31.

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

32.

Championing school nursing: an interview with Woody Caan
Caan, Woody

Formato:	Article
Enlaces:	Woody Caan, a strong supporter of school nursing, explains why he believes school nurses have a vital role to play in the health and wellbeing of children and young people.
Fecha:	2011-09-22
Recurso:	Anglia Ruskin University

Recurso libre

33.

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

34.

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

35.

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

36.

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

37.

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

38.

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

39.

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

40.

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

41.

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

42.

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

43.

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

44.

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

45.

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

46.

The implementation and application of the business excellence model in SMEs
Armitage, Andrew M.D.

Formato:	Article
Enlaces:	This paper reports two case studies of the use of the business excellence model (BEM) in two small- to medium-sized enterprises (SMEs) which entered the 1999 East of England Excellence (EEE) regional Quality Award. The experiences of these organisations will…
Fecha:	2011-05-25
Recurso:	Anglia Ruskin University

Recurso libre

47.

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

48.

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

49.

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

50.

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