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Recurso libre

<i>Digital signal processing. Principles, algorithms, and aplications</i>
Bria, Oscar N.

Formato:	Articulo, Revision
Enlaces:	This book presents the fundamentals of discrete-time signals, systems, algorithms and applications for students in electrical engineering or computer science. It covers both time-domain and frequency- domain methods for the analysis of linear, discrete-time systems.
Fecha:	2008-10-09
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Preserving message integrity in dymamic process migration
Heymann Pignolo, Elisa - Tinetti, Fernando Gustavo - Luque Fadón, Emilio

Formato:	Articulo, Articulo
Enlaces:	Processor and network management have a great impact on the performance of Distributed Memory Parallel Computers. Dynamic Process Migration allows load balancing and communication balancing at execution time. Managing the communications involving the migrating process is one of the problems…
Fecha:	2004-05-11
Recurso:	Unversidad Nacional de La Plata

Recurso libre

A high performance core for OSI management agents: implementation, simulation and performance evaluation
Rivalino, Matías Junior

Formato:	Articulo, Articulo
Enlaces:	This article presents a proposal of a multithreaded core for an OSI/ISO management agents including its modeling, simulation and performance evaluation. The proposed model i s compared against another one (unthreaded core) which is the c ommonly adopted model by…
Fecha:	2004-05-11
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Feature extraction for an image retrieving scheme
Fuertes García, José Manuel - Lucena López, Manuel José - Perez de la Blanca Capilla, Nicolás - Fernández Valdivia, Joaquín

Formato:	Articulo, Articulo
Enlaces:	In this paper we present two basic modules whithin the designed scheme for retrieving images of a database from the object colour and shape in the scenes. On the one hand, we desing a new method to detect edges in…
Fecha:	2004-05-12
Recurso:	Unversidad Nacional de La Plata

Recurso libre

JPEG with quadtree adaptive partitioning
Russo, Claudia C. - Ramón, Hugo Dionisio - De Giusti, Armando Eduardo - Flores, Raúl

Formato:	Articulo, Articulo
Enlaces:	In this paper two images compression techniques with loss based on the method used by the compression Standard Joint Photographic Experts Groups (JPEG) and on the Quadtree adaptive partitioning method are presented and compared, and the loss produced studied. The…
Fecha:	2004-05-12
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Parallel recognition and classification of objects
Felice, Rodrigo - Ruscitti, Fernando - Naiouf, Marcelo - De Giusti, Armando Eduardo

Formato:	Articulo, Articulo
Enlaces:	The development of parallel algorithms for an automatic recognition and classification of objects from an industrial line (either production or packaging) is presented. This kind of problem introduces a temporal restriction on images processing, a parallel resolution being therefore required.…
Fecha:	2004-05-12
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Communion: a new strategy form memory management in high-performance computer
Toshimi Midorikawa, Edson - Matsumoto Sato, Liria - Zuffo, João Antônio

Formato:	Articulo, Articulo
Enlaces:	Modern computers present a big gap between peak performance and sustained performance. There are many reasons for this situation, but mainly involving an inefficient usage of computational resources. Nowadays the memory system is the most critical component because of its…
Fecha:	2004-05-11
Recurso:	Unversidad Nacional de La Plata

Recurso libre

A parallel approach for backpropagation learning of neural networks
Crespo, María Liz - Piccoli, María Fabiana - Printista, Alicia Marcela - Gallard, Raúl Hector

Formato:	Articulo, Articulo
Enlaces:	Fast response, storage efficiency, fault tolerance and graceful degradation in face of scarce or spurious inputs make neural networks appropiate tools for Intelligent Computer Systems. But on the other hand, learning algorithms for neural networks involve CPU intensive processing and…
Fecha:	2004-05-12
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Multiplexing real time video services
Simón, María - Pechiar, Juan

Formato:	Articulo, Articulo
Enlaces:	Statistical Bit Rate (SBR) transfer capability is considered a good option for supporting Variable Bit Rate (VBR) services. However, its study is somewhat in lag compared with Deterministic Bit Rate (DBR) or Available Bit Rate (ABR) capabilities. The definition of…
Fecha:	2004-05-14
Recurso:	Unversidad Nacional de La Plata

Recurso libre

10.

Alternative strategies for asynchronous migration-controlled schemes in parallel genetic algorithm
Ochoa, Claudio - Gallard, Raúl Hector

Formato:	Articulo, Articulo
Enlaces:	Migration of individuals allows a fruitful i nteraction between subpopulations in the island model, a well known distributed approach for evolutionary computing, where separate subpopulations evolve in parallel. This model is well suited for a distributed environment running a Single…
Fecha:	2004-05-13
Recurso:	Unversidad Nacional de La Plata

Recurso libre

11.

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

12.

Public administration: from bureaucratic culture to citizen-oriented culture
Claver Cortés, Enrique - Llopis Taverner, Juan - Gascó Gascó, José Luis - Molina Manchón, Hipólito - Conca Flor, Francisco José

Formato:	info:eu-repo/semantics/article
Enlaces:	This paper analyzes how public administration may improve the service it offers to citizens through a suitable organizational culture; for this purpose, it starts by studying the specific features of the culture of public administration. In this respect, it analyzes…
Fecha:	2007-09-12
Recurso:	RUA Docencia

Recurso libre

13.

Vaccination against Taenia solium cysticercosis in pigs using native and recombinant oncosphere antigens
Plancarte, A - Flisser, A - Gauci, CG - Lightowlers, MW

Formato:	Article
Enlaces:	Pigs were immunised with antigens derived from Taenia solium oncospheres or with a pool of three recombinant antigens from Taenia ovis, and subsequently challenged with T. solium eggs, The native oncosphere antigens induced 83% protection against viable, and 89% protection…
Fecha:	2011-12-07
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

14.

Fresnel diffraction in a theoretical eye: a fractional Fourier transform approach
Pons Moreno, Álvaro Máximo - Lorente Velázquez, Amalia - Illueca Contri, Carlos - Mas Candela, David - Artigas Verde, José María

Formato:	info:eu-repo/semantics/article
Enlaces:	In this work, we have applied the fractional Fourier transform to obtain the Fresnel diffraction patterns in a theoretical eye. The FRT approach to Fresnel diffraction is easily implemented in a Gullstrand-Emsley theoretical eye, and it allows us to obtain…
Fecha:	2007-10-16
Recurso:	RUA Docencia

Recurso libre

15.

Influence of the gaze-stabilizing eye movements on the quality of the retinal image of the human eye
Pons Moreno, Álvaro Máximo - Lorente Velázquez, Amalia - Illueca Contri, Carlos - Artigas Verde, José María - Felipe Marcet, Adelina

Formato:	info:eu-repo/semantics/article
Enlaces:	In this work we have studied the influence of the gaze stabilizing movements of the eye on the quality of the retinal image of the human eye obtained by double pass methods. The results obtained agree with the expected differences…
Fecha:	2007-10-16
Recurso:	RUA Docencia

Recurso libre

16.

Adsorbed cyanide reactions at the Pt(100) surface
Huerta Arráez, Francisco - Morallón Núñez, Emilia - Vázquez Picó, José Luis

Formato:	info:eu-repo/semantics/article
Enlaces:	In contrast to what is observed in alkaline media, cyanide adlayers formed on Pt(100) are very reactive in 0.1 M HClO4 solutions. In this medium, dissimilar behaviour has been observed for the potential regions above and below 0.4 V (RHE).…
Fecha:	2007-11-02
Recurso:	RUA Docencia

Recurso libre

17.

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

18.

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

19.

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

20.

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

21.

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

22.

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

23.

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

24.

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

25.

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

26.

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

27.

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

28.

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

29.

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

30.

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

31.

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

32.

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

33.

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

34.

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

35.

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

36.

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

37.

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

38.

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

39.

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

40.

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

Recurso libre

41.

Land-rich economies, education and economic development
Galiani, Sebastian - Heymann, Daniel - Dabús, Carlos - Tohmé, Fernando Abel

Formato:	Articulo, Documento de trabajo
Enlaces:	En este trabajo se analiza la emergencia de sistemas de educación de gran escala en un marco donde el crecimiento se asocia con cambios en la configuración de la economía. Se modelan los incentivos que le elite económica puede tener…
Fecha:	2010-06-09
Recurso:	Unversidad Nacional de La Plata

Recurso libre

42.

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

43.

Optical analysis of PresbyLASIK treatment by a light propagation algorithm
Ortiz Márquez, Dolores - Alió y Sanz, Jorge L. - Illueca Contri, Carlos - Mas Candela, David - Sala Pomares, Esperanza - Pérez Rodríguez, Jorge - Espinosa Tomás, Julián

Formato:	info:eu-repo/semantics/article
Enlaces:	PURPOSE: To evaluate the changes in the optical quality of corneas of hyperopic patients operated using central multifocal presbyLASIK treatment through the study of light patterns around the retinal plane. METHODS: This study included eight hyperopic eyes that underwent central…
Fecha:	2008-02-17
Recurso:	RUA Docencia

Recurso libre

44.

Editorial
Lorimer, Rowland

Formato:	info:eu-repo/semantics/article, editorial, info:eu-repo/semantics/publishedVersion
Enlaces:	Descripción completa.
Fecha:	1999-01-01
Recurso:	Canadian Journal of Comumunication

Recurso libre

45.

The Cinema Market: What About Russia?
Fedorov, Alexander

Formato:	info:eu-repo/semantics/article, article-commentary, info:eu-repo/semantics/publishedVersion
Enlaces:	Descripción completa.
Fecha:	1999-01-01
Recurso:	Canadian Journal of Comumunication

Recurso libre

46.

The Method is the Message: Rethinking McLuhan Through Critical Theory
Nancy Shaw, ; McGill University

Formato:	info:eu-repo/semantics/article, book-review, info:eu-repo/semantics/publishedVersion
Enlaces:	Descripción completa.
Fecha:	1999-01-01
Recurso:	Canadian Journal of Comumunication

Recurso libre

47.

McLuhan, or Modernism in Reverse
Nancy Shaw, ; McGill University

Formato:	info:eu-repo/semantics/article, book-review, info:eu-repo/semantics/publishedVersion
Enlaces:	Descripción completa.
Fecha:	1999-01-01
Recurso:	Canadian Journal of Comumunication

Recurso libre

48.

Voices in the Purple Haze: Underground Radio and the Sixties
Geoff Stahl, ; McGill University

Formato:	info:eu-repo/semantics/article, book-review, info:eu-repo/semantics/publishedVersion
Enlaces:	Descripción completa.
Fecha:	1999-01-01
Recurso:	Canadian Journal of Comumunication

Recurso libre

49.

Messages from the Underground: Transnational Radio in Resistance and Solidarity
Geoff Stahl, ; McGill University

Formato:	info:eu-repo/semantics/article, book-review, info:eu-repo/semantics/publishedVersion
Enlaces:	Descripción completa.
Fecha:	1999-01-01
Recurso:	Canadian Journal of Comumunication

Recurso libre

50.

The Web of Text and the Web of God: An Essay on the Third Information Transformation
Mike Gasher, ; Concordia University

Formato:	info:eu-repo/semantics/article, book-review, info:eu-repo/semantics/publishedVersion
Enlaces:	Descripción completa.
Fecha:	1999-01-01
Recurso:	Canadian Journal of Comumunication