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Aproximadamente 5761 registro(s) hasta el momento: (journal)

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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

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

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

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

Recurso libre

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

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

Recurso libre

Learning by generation in computer science education
Kerren, Andreas

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

Recurso libre

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

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

Recurso libre

A low cost advance encryption standard (AES) co-processor implementation
Hernandez, Orlando J. - Sodon, Thomas - Adel, Michael - Kupp, Nathan

Formato:	Articulo, Articulo
Enlaces:	The need for privacy has become a major priority for both governments and civilians desiring protection from signal interception. Widespread use of personal communications devices has only increased demand for a level of security on previously insecure communications. This paper…
Fecha:	2008-09-24
Recurso:	Unversidad Nacional de La Plata

Recurso libre

DWT based digital watermarking fidelity and robustness evaluation
Del Colle, Franco A. - Gómez, Juan Carlos

Formato:	Articulo, Articulo
Enlaces:	An Image Adaptive Watermarking method based on the Discrete Wavelet Transform is presented in this paper. The robustness and fidelity of the proposed method are evaluated and the method is compared to state-of-the-art watermarking techniques available in the literature. For
Fecha:	2008-09-24
Recurso:	Unversidad Nacional de La Plata

Recurso libre

A UML profile for documenting the component-and-connector view of software architectures
Anacleto, Valerio Adrián

Formato:	Articulo, Articulo
Enlaces:	In this paper, we present a UML profile and a group of UML patterns for documenting the component-andconnector views of software architectures [8]. They facilitate the creation of the component and connector viewtype in any UML 2.0 tool with a…
Fecha:	2008-09-24
Recurso:	Unversidad Nacional de La Plata

Recurso libre

10.

Compositional synthesis of distributed system components based on augmented marked graphs
Cheung, K. S.

Formato:	Articulo, Articulo
Enlaces:	Augmented marked graphs possess a special structure for modelling common resources as well as some desirable properties pertaining to liveness, boundedness, reversibility and conservativeness. This paper investigates the property-preserving composition of augmented marked graphs for the synthesis of distributed systems.…
Fecha:	2008-09-24
Recurso:	Unversidad Nacional de La Plata

Recurso libre

11.

A proposal of communication protocols in ubiquitous computation environment in the residential automation
Pérez, Celso Roberto - Oliveira Lima, Derci de

Formato:	Articulo, Articulo
Enlaces:	An ubiquitous computation environment has as presupposed that the computation is in all equipment and devices, and these are interacting between itself and with the people. The connection between objects and human beings is instantaneous, when these enter in the…
Fecha:	2008-09-24
Recurso:	Unversidad Nacional de La Plata

Recurso libre

12.

Social entrepreneurship & networks
Brady, Andrew - Haugh, Helen

Formato:	Article
Enlaces:	The importance of networks as both an organisational form and an access route for the exchange of resources has increasingly been recognised in business and management. Social enterprise is just one area in which government funding has been used to…
Fecha:	2012-11-27
Recurso:	Anglia Ruskin University

Recurso libre

13.

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

14.

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

15.

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

16.

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

17.

A quantitative assessment of students’ experiences of studying music: a Spanish perspective on the European credit transfer system (ECTS)
Esteve Faubel, José María - Stephens, Jonathan - Molina Valero, Miguel Ángel

Formato:	info:eu-repo/semantics/article
Enlaces:	The purpose of this investigation is to evaluate whether or not the allocation of time proposed in the Music Study Guide, adapted from the European Higher Education Area (EHEA) guidelines, is consistent and adequate for students with minimal musical knowledge.…
Fecha:	2012-11-29
Recurso:	RUA Docencia

Recurso libre

18.

Spirituality, leadership and values in the NHS
Smith, Jonathan A. - Malcolm, Andrew A.

Formato:	Article
Enlaces:	Descripción completa.
Fecha:	2011-05-25
Recurso:	Anglia Ruskin University

Recurso libre

19.

Orientation anisotropies in visual search revealed by noise
Tavassoli, Abtine - van der Linde, Ian - Bovik, Alan C. - Cormack, Lawrence K.

Formato:	Article
Enlaces:	The human visual system is remarkably adept at finding objects of interest in cluttered visual environments, a task termed visual search. Because the human eye is highly foveated, it accomplishes this by making many discrete fixations linked by rapid eye…
Fecha:	2010-07-28
Recurso:	Anglia Ruskin University

Recurso libre

20.

Post-modernism, deprofessionalisation and commodification: the outcomes of performance measurement in higher education
Adcroft, Andy - Willis, Robert

Formato:	Article
Enlaces:	The central argument of this paper is that current regimes of performance measurement in the UK's higher education sector are unlikely to deliver any real improvements in performance. Rather, the paper argues, the most likely outcomes will be further increases…
Fecha:	2011-06-16
Recurso:	Anglia Ruskin University

Recurso libre

21.

Spirituality at work: danger, luxury or necessity?
Smith, Jonathan A. - Rayment, John J.

Formato:	Article
Enlaces:	The idea of spirituality at work has increasingly become a focus of attention. Calls for introducing this dimension of our lives into the workplace have major implications for business leaders. How might business leaders face up to this challenge, and…
Fecha:	2011-05-26
Recurso:	Anglia Ruskin University

Recurso libre

22.

Celsius Bloodhound
De Giusti, Marisa Raquel - Villarreal, Gonzalo Luján

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The Library Linkage Project (PrEBi) has as main objective to share the bibliographic acervus resident in ISTEC Institutions, in order to satisfy the demand of Researchers, Teachers and Students. To manage the bibliography requirements (journal articles, book chapters, congress proceedings,…
Fecha:	2007-11-29
Recurso:	Unversidad Nacional de La Plata

Recurso libre

23.

What do radiographers really know?
Westbrook, Catherine - Talbot, John

Formato:	Article
Enlaces:	Magnetic Resonance Imaging (MRI) is an important diagnostic imaging tool that has seen rapid expansion in recent years with a commensurate increase in the number of radiographers undertaking MRI scans. This imaging modality is a complex one and the strong
Fecha:	2011-09-22
Recurso:	Anglia Ruskin University

Recurso libre

24.

Characteristics of patients referred by police to a psychiatric hospital
Maharaj, R. - Gillies, D. - Andrews, S. - O'Brien, L.

Formato:	Article
Enlaces:	To identify any differences between patients referred by police compared with patients referred from other sources, to a psychiatric hospital in Australia, a retrospective audit of 200 patient files was undertaken. The two most common reasons for the involuntary referral…
Fecha:	2013-06-03
Recurso:	Anglia Ruskin University

Recurso libre

25.

Effect of a combined program of physical activity and intellectual activity in the cognitive functioning of the elderly
Martínez Vidal, Aurora - Prada Martínez, Aurora - Díaz Pereira, María del Pino - Martínez Patiño, María José

Formato:	info:eu-repo/semantics/article
Enlaces:	Aerobic exercise done in an enriched environment with intellectual activity seems to improve cognitive performance associated with the aging process of humans, although the results can sometimes be contradictory. The objective of the present study was to ascertain to what…
Fecha:	2011-06-30
Recurso:	RUA Docencia

Recurso libre

26.

Evaluation of a solid-phase enzyme immunoassay in the diagnosis of syphilis
Borobio, M.V. - Álvarez-Dardet Díaz, Carlos - Gallardo, R.M.

Formato:	info:eu-repo/semantics/article
Enlaces:	A solid phase enzyme-linked immuno sorbent assay (ELISA), the antigen being bound to the surface of ferrous metal beads, was evaluated as either a diagnostic or a confirmative test for syphilis by comparison with the Venereal Disease Research Laboratory (VDRL)…
Fecha:	2011-06-29
Recurso:	RUA Docencia

Recurso libre

27.

The role of the ethical entrepreneur as change catalyst (Editorial)
Rees, Bronwen A.

Formato:	Article
Enlaces:	It is clear that we are at a point of crisis and transformation. In her introduction to the articles of this issue, Bronwen Rees suggests that not only will we need to challenge basic assumptions in science, but that the…
Fecha:	2013-02-07
Recurso:	Anglia Ruskin University

Recurso libre

28.

A unified theory of structural change
Guilló Fuentes, María Dolores - Papageorgiou, Chris - Pérez Sebastián, Fidel

Formato:	info:eu-repo/semantics/article
Enlaces:	This paper uses dynamic general equilibrium and computational methods, inspired by the multi-sector growth model structure in Stephen Turnovsky's work, to develop a theory that unifies two of the traditional explanations of structural change: sector-biased technical change and non-homothetic preferences.…
Fecha:	2012-07-30
Recurso:	RUA Docencia

Recurso libre

29.

Nanonization of megestrol acetate by laser fragmentation in aqueous milieu
Sylvestre, Jean-Philippe - Tang, Marie-Christine - Furtos, Alexandra - Leclair, Grégoire - Meunier, Michel - Leroux, Jean-Christophe

Formato:	Article
Enlaces:	Nanonization is a simple and effective method to improve dissolution rate and oral bioavailability of drugs with poor water solubility. There is growing interest to downscale the nanocrystal production to enable early preclinical evaluation of new drug candidates when compound…
Fecha:	2013-05-01
Recurso:	Université de Montreal

Recurso libre

30.

Temporal patterns of memory source incorporations into dreams and their relationships to dreamed locus of control
Solomonova, Elizaveta

Formato:	Thèse ou Mémoire numérique / Electronic Thesis or Dissertation
Enlaces:	Les incorporations des mémoires épisodiques dans les rêves apparaissent en formes fragmentées et suivent un modèle temporel distinct qui suit une courbe sinusoïdale. Ce modèle est caractérisé par les incorporations immédiates, qui apparaissent 1-2 jours après l’événement (effet de résidus…
Fecha:	2012-03-26
Recurso:	Université de Montreal

Recurso libre

31.

Poverty among the elderly in Latin America and the Caribbean
Gasparini, Leonardo - Alejo, Javier - Haimovich, Francisco - Olivieri, Sergio - Tornarolli, Leopoldo

Formato:	Articulo, Documento de trabajo
Enlaces:	This paper provides evidence on the incidence of poverty among the elderly in Latin America and the Caribbean, based on household survey microdata from 20 countries. The situation of older people is characterized in terms of income, employment, education, health…
Fecha:	2010-06-10
Recurso:	Unversidad Nacional de La Plata

Recurso libre

32.

Improving radar visualization system
Acosta, Nelson - Tosini, Marcelo Alejandro - Mezzanotte, Martín F. - Tommasi, M. Carolina

Formato:	Articulo, Articulo
Enlaces:	This work develops a system to visualize the information for radar systems interfaces. It is a flexible, portable software system that allows to be used for radars that have different technologies and that is able to be adapted to the…
Fecha:	2008-05-21
Recurso:	Unversidad Nacional de La Plata

Recurso libre

33.

An inference mechanism for question answering
Roger, Sandra - Ferrández, Sergio - López Moreno, Pilar - Peral, Jesús

Formato:	Articulo, Articulo
Enlaces:	This work describes an inference mechanism applied to AliQAn Question Answering System for Spanish in open domain. AliQAn is based fundamentally on the use of syntactic patterns to identify the possible answers. An inference mechanism is applied to the questions…
Fecha:	2008-05-21
Recurso:	Unversidad Nacional de La Plata

Recurso libre

34.

Toward integration of knowledge based systems and knowledge discovery systems
Rancan, Claudio - Pesado, Patricia - García-Martínez, Ramón

Formato:	Articulo, Articulo
Enlaces:	This paper presents a proposal for an architecture that integrates knowledge discovery systems (automatic acquisition) and knowledge based systems (experts systems). This work formulates considerations over the viability of the implementation of this architecture according to the advance of the…
Fecha:	2008-05-21
Recurso:	Unversidad Nacional de La Plata

Recurso libre

35.

Harmonic Theory and Machine Learning
Nanclares, Jorge - Rapallini Ulises Mario Alberto

Formato:	Articulo, Articulo
Enlaces:	A natural inference mechanism is presented : the Black Box problem is transformed into a Dirichlet's problem on the closed cube. Then it is solved in closed polynomial form, together with a Mean-Value theorem and a Maximum Principle.A generalization to…
Fecha:	2008-05-22
Recurso:	Unversidad Nacional de La Plata

Recurso libre

36.

Labor informality effects of a poverty-alleviation program
Gasparini, Leonardo - Haimovich, Francisco - Olivieri, Sergio

Formato:	Articulo, Documento de trabajo
Enlaces:	In the midst of a serious macroeconomic crisis Argentina implemented a large social program -the Programa Jefes de Hogar (PJH)- that provides cash transfers to unemployed household heads meeting certain criteria. In practice, giving the difficulties in monitoring informal jobs,…
Fecha:	2010-06-09
Recurso:	Unversidad Nacional de La Plata

Recurso libre

37.

Spatial selection of sparse pivots for similarity search in metric spaces
Rodríguez Brisaboa, Nieves - Fariña, Antonio - Pedreira, Óscar - Reyes, Nora Susana

Formato:	Articulo, Articulo
Enlaces:	Similarity search is a fundamental operation for applications that deal with unstructured data sources. In this paper we propose a new pivot-based method for similarity search, called Sparse Spatial Selection (SSS). The main characteristic of this method is that it…
Fecha:	2008-05-21
Recurso:	Unversidad Nacional de La Plata

Recurso libre

38.

A lightweight method for computing ball spin in real time
Cristina, Federico - Dapoto, Sebastián H. - Russo, Claudia Cecilia

Formato:	Articulo, Articulo
Enlaces:	The present paper poses a new method for computing the rotation of a ball in sport training situations, when the ball is approaching the goal line. The proposed method significantly reduces the hardware requirements associated to the capture, as well…
Fecha:	2008-05-21
Recurso:	Unversidad Nacional de La Plata

Recurso libre

39.

A model for the automatic mapping of tasks to processors in heterogeneous multi-cluster architectures
De Giusti, Laura Cristina - Chichizola, Franco - Naiouf, Marcelo - Ripoll, Ana - De Giusti, Armando Eduardo

Formato:	Articulo, Articulo
Enlaces:	This paper discusses automatic mapping methods for concurrent tasks to processors applying graph analysis for the relation among tasks, in which processing and communicating times are incorporated. Starting by an analysis in which processors are homogeneous and data transmission times…
Fecha:	2008-05-21
Recurso:	Unversidad Nacional de La Plata

Recurso libre

40.

An ACO model for a non-stationary formulation of the single elevator problem
Molina, Silvia - Leguizamón, Mario Guillermo - Alba, Enrique

Formato:	Articulo, Articulo
Enlaces:	The Ant Colony Optimization (ACO) metaheuristic is a bio-inspired approach for hard combinatorial optimization problems for stationary and non-stationary environments. In the ACO metaheuristic, a colony of artificial ants cooperate for finding high quality solutions in a reasonable time. An…
Fecha:	2008-05-21
Recurso:	Unversidad Nacional de La Plata

Recurso libre

41.

Computing support for problem solving in virtual communities of practice
Casalini, María Clara - Estevez, Elsa Clara - Janowski, Thomas

Formato:	Articulo, Articulo
Enlaces:	The paper presents a formal model for a knowledge repository shared by members of a Virtual Community of Practice (VCPs), describes how the repository can be used to underpin collaborative problem solving, and how to build computer support for such…
Fecha:	2008-05-21
Recurso:	Unversidad Nacional de La Plata

Recurso libre

42.

Interaction on graphs using non-conventional devices
Escarza, Sebastián - Castro, Silvia Mabel - Martig, Sergio R.

Formato:	Articulo, Articulo
Enlaces:	Interactions become essential in Visualization because they enable users to adapt the visual representation to their own needs allowing them to explore the underlying information space. By using non-conventional devices, they face a wider fan of interaction possibilities to explore…
Fecha:	2008-05-21
Recurso:	Unversidad Nacional de La Plata

Recurso libre

43.

Directional continuous wavelet transform applied to handwritten numerals recognition using neural networks
Romero, Diego - Seijas, Leticia - Ruedín, Ana M. C.

Formato:	Articulo, Articulo
Enlaces:	The recognition of handwritten numerals has many important applications, such as automatic lecture of zip codes in post offices, and automatic lecture of numbers in checknotes. In this paper we present a preprocessing method for handwritten numerals recognition, based on…
Fecha:	2008-05-21
Recurso:	Unversidad Nacional de La Plata

Recurso libre

44.

CISNE-P: a global scheduling oriented to now environments
Torchinsky, Matías - Hanzich, Mauricio - Hernández Budé, Porfidio - Luque Fadón, Emilio - Giné de Solà, Francesc - Solsona Theás, Francesc - Lérida, Josep L.

Formato:	Articulo, Articulo
Enlaces:	In this work, we present an integral scheduling system for non-dedicated clusters, termed CISNE-P, which ensures the performance required by the local applications, while simultaneously allocating cluster resources to parallel jobs. Our approach solves the problem efficiently by using a…
Fecha:	2008-05-21
Recurso:	Unversidad Nacional de La Plata

Recurso libre

45.

The successful application of natural language processing for information retrieval
Ferrández, Antonio - Rojas, Yenory - Peral, Jesús

Formato:	Articulo, Articulo
Enlaces:	In this paper, a novel model for monolingual Information Retrieval in English and Spanish language is proposed. This model uses Natural Language Processing techniques (a POStagger, a Partial Parser, and an Anaphora Resolver) in order to improve the precision of…
Fecha:	2008-05-21
Recurso:	Unversidad Nacional de La Plata

Recurso libre

46.

Framework for web application agile development
Delía, Lisandro - Cáseres, Germán - Ramón, Hugo Dionisio - Thomas, Pablo Javier - Bertone, Rodolfo Alfredo

Formato:	Articulo, Articulo
Enlaces:	Any system interacting with a data base requires modules capable of operating data stored in it. Its development times generally vary between 50 to 60 % of the time used for the application life cycle. The present paper describes the…
Fecha:	2008-05-21
Recurso:	Unversidad Nacional de La Plata

Recurso libre

47.

Center selection techniques for metric indexes
Mendoza Alric, Cristian - Herrera, Norma Edith

Formato:	Articulo, Articulo
Enlaces:	The metric spaces model formalizes the similarity search concept in nontraditional databases. The goal is to build an index designed to save distance computations when answering similarity queries later. A large class of algorithms to build the index are based…
Fecha:	2008-05-22
Recurso:	Unversidad Nacional de La Plata

Recurso libre

48.

Evacuation simulations using cellular automata
Tissera, Pablo - Printista, Alicia Marcela - Errecalde, Marcelo Luis

Formato:	Articulo, Articulo
Enlaces:	Computer simulations using Cellular Automata (CA) have been applied with considerable success in diferent scientific areas, such as chemistry, biochemistry, economy, physics, etc. In this work we use CA in order to specify and implement a simulation model that allows…
Fecha:	2008-05-21
Recurso:	Unversidad Nacional de La Plata

Recurso libre

49.

Process tracking for dynamic tuning applications on the grid
Costa, Genaro - Morajko, Anna - Margalef, Tomás - Luque Fadón, Emilio

Formato:	Articulo, Articulo
Enlaces:	The computational resources need by the scientific community to solve problems is beyond the current available infrastructure. Performance requirements are needed due constant research progress, new problems studies or detail increase of the current ones. Users create new wide distributed…
Fecha:	2008-05-21
Recurso:	Unversidad Nacional de La Plata

Recurso libre

50.

Cellular outline segmentation using fractal estimators
Salvatelli, Adrián - Caropresi, José - Delrieux, Claudio - Izaguirre, María F. - Casco, Víctor

Formato:	Articulo, Articulo
Enlaces:	Segmentation in biological images is essential for the determination of biological parameters that allow the construction of models of several biological problems. This helps to establish clear relationships between those models and the parameter estimation, and for elaboration of key…
Fecha:	2008-05-22
Recurso:	Unversidad Nacional de La Plata