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Aproximadamente 486 registro(s) hasta el momento: (datos)

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Recurso libre

The Extreme Vertices Model in the 4D space and its Applications in the Visualization and Analysis of Multidimensional Data Under the Context of a Geographical Information System
Pérez Águila, Ricardo

Formato:	Electronic Thesis or Dissertation, Tesis
Enlaces:	En este trabajo se comentan algunos aspectos geométricos y topológicos relacionados a los Politopos n-Dimensionales y tres metodologías para su visualización: a través de sus unravelings, a través de sus intersecciones con el espacio 3D y a través de…
Fecha:	2003-05-16
Recurso:	CIRIA

Recurso libre

Efficient similarity search on multimedia databases
Lopresti, Mariela - Miranda, Natalia - Piccoli, María Fabiana - Reyes, Nora Susana

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Manipulating and retrieving multimedia data has received increasing attention with the advent of cloud storage facilities. The ability of querying by similarity over large data collections is mandatory to improve storage and user interfaces. But, all of them are expensive…
Fecha:	2012-11-06
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Validez de constructos funcionales y morfológicos en tareas de lecto-escritura: un estudio con niños de educación básica, Validity of' functional and morphological constructs in reading and writing tasks: a study of elementary school children
Corral Verdugo, Víctor - Bazán Ramírez, Aldo - Sánchez Hernández, Beatriz A.

Formato:	,
Enlaces:	280 niños del primer grado de primaria desarrollaron una serie de tareas de lectura y escritura (las morfologías de las tareas) de diferente grado de complejidad (sus niveles funcionales). Los niveles de complejidad de las tareas se pre-establecieron como funciones…
Fecha:	2010-06-16
Recurso:	Acta Comportamentalia: Revista Latina de Análisis del Comportamiento

Recurso libre

Sistema automático de adquisición de datos para un medidor de deformación
Espinosa Ramón, Alfonso - Flores Cifuentes, Fernando

Formato:	Article
Enlaces:	El presente artículo describe un sistema de adquisición de datos para un medidor de deformación. Se presenta el análisis del diseño de la circuitería y la programación, los resultados obtenidos y finalmente algunas conclusiones.
Fecha:	2007-05-23
Recurso:	Escuela Politécnica Nacional

Recurso libre

Formato:	,
Enlaces:	280 niños del primer grado de primaria desarrollaron una serie de tareas de lectura y escritura (las morfologías de las tareas) de diferente grado de complejidad (sus niveles funcionales). Los niveles de complejidad de las tareas se pre-establecieron como funciones…
Fecha:	2010-06-16
Recurso:	Revistas UNAM

Recurso libre

Book review: A beginner's guide to doing your education research project, by Mike Lambert (2012)
Ploettner, Joan; Universitat Autònoma de Barcelona & Universitat Internacional de Catalunya

Formato:	, , Book review, ,
Enlaces:	Evidence-based practice has become a cornerstone to the development of many professions over the last twenty years, ranging from health and social sciences to education. Research based on reflective practice provides the impulse...En els últims vint anys, pràctiques basades en…
Fecha:	2012-12-16
Recurso:	Bellaterra: Journal of teaching and Learning Language and Literature

Recurso libre

Nutrición y rendimiento escolar: ¿Es posible mostrar una relación causal usando datos de corte transversal?, Nutrition and education in childhood: is it possible to show a causal relationship using cross-section data?
Rabassa, Mariano

Formato:	Tesis, Tesis de maestria
Enlaces:	The fact that nutrition affects education outcomes is accepted by researchers and by policy makers. It is simple. Children cannot learn if they are hungry. The validity of the empirical approaches used to show a causal relationship from nutrition to…
Fecha:	2010-07-02
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Into the Engine Room: An Inter-University Literature-Teaching Project Focussing on Narrative
Owen, David; Department of English and German Studies, Area of English Literature, Faculty of Philosophy & Arts - Font, Carme; Universitat Autònoma de Barcelona - Gimeno Pahissa, Laura; Universitat Autònoma de Barcelona - Pividori, Cristina; Universitat Autònoma de Barcelona

Formato:	Articles convidats, Commissioned, Surveys, Qualitative & Quantitative Analysis, Artículos invitados,
Enlaces:	Abstract This article sets out the objectives, approaches and organisational development of a still on-going inter-university literature-teaching project entitled ‘Between the Lines: Comprehensive Reading of Literary Texts in a Foreign Language’, which was awarded a two-year grant by the Catalan…
Fecha:	2012-12-16
Recurso:	Bellaterra: Journal of teaching and Learning Language and Literature

Recurso libre

Teach-to-Test Instruction of Dynamic Assessment:A Critical Overview
Nazari, Behzad; Behzad Nazari MA of TEFL, Islamic Azad University, South Tehran Branch, Tehran, Iran

Formato:	Avaluacions anònimes, Peer-Reviewed Article, State-of-the-question, Evaluaciones anónimas,
Enlaces:	Abstract The present article aims to meticulously focus on the integration of the assessment and instruction which leads to a new approach, Dynamic Assessment, based on the principles of Socio-cultural Theory of Mind (SCT) developed by L. S. Vygotsky and…
Fecha:	2012-12-16
Recurso:	Bellaterra: Journal of teaching and Learning Language and Literature

Recurso libre

10.

Optimising Classroom Interaction: An Interview with Steve Walsh
Fernández del Viso Román, Vanesa; Universitat Autònoma de Barcelona

Formato:	, , , Interview,
Enlaces:	Abstract Professor Steve Walsh is Professor of Applied Linguistics at the School of ECLS of the University of Newcastle in the United Kingdom. He is the module leader for ‘Teacher Development for TESOL’, ‘Learning and teaching in Higher Education’, ‘Discourse…
Fecha:	2012-12-16
Recurso:	Bellaterra: Journal of teaching and Learning Language and Literature

Recurso libre

11.

Editor's Notes
Dooly, Melinda; Universitat Autònoma de Barcelona

Formato:	, , Editor's Note, Editorial,
Enlaces:	Oferim a lectores i lectors una àmplia gamma de temes en el darrer volum de l'any 2012. El primer article, escrit pels membres d'un grup de recerca al Departament de Filologia Anglesa i Alemanya de la Universitat Autònoma de Barcelona…
Fecha:	2012-12-16
Recurso:	Bellaterra: Journal of teaching and Learning Language and Literature

Recurso libre

12.

Function-Based vs. Meaning-Based Beliefs in Teaching Vocabulary
Ghaffarzadeh Hassankiade, Mozhgan Alsadat; Islamic Azad University (Tonekabon Branch)

Formato:	Avaluacions anònimes, Peer-Reviewed Article, , Evaluaciones anónimas,
Enlaces:	AbstractTeachers are highly influenced by their beliefs, which are related to their ideas, to their views of the world and to their values and conceptions of their environment. Departing from the premise that teachers' beliefs are one of the most…
Fecha:	2012-12-16
Recurso:	Bellaterra: Journal of teaching and Learning Language and Literature

Recurso libre

13.

ODE: ontology-based software development environment
Falbo, Ricardo de Almeida - Natali, Ana Candida Cruz - Mian, Paula Gomes - Bertollo, Gleidson - Ruy, Fabiano Borges

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Software tools processing partially common set of data should share an understanding of what these data mean. Since ontologies have been used to express formally a shared understanding of information, we argue that they can be used to improve integration…
Fecha:	2012-10-18
Recurso:	Unversidad Nacional de La Plata

Recurso libre

14.

The software architecture role in agile methodologies
Anacleto, Valerio Adrián

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The software architecture role in agile methodologies is not sufficiently documented or formalized by means of a process consistent with the philosophy. The current work’s contributions are: 1) Defining guidelines to implement architecture practices in an agile way and so…
Fecha:	2012-10-11
Recurso:	Unversidad Nacional de La Plata

Recurso libre

15.

Assessing Data Quality of Integrated Data by Quality Aggregation of its Ancestors, Evaluación de Calidad de Datos Integrados por Agregación de Calidad de sus Ancestros
Angeles, Maria del Pilar - Mhor MacKinnon, Lachlan

Formato:
Enlaces:	DATA QUALITY IS DEGRADED DURING THE PROCESS OF EXTRACTING AND MERGING DATA FROM MULTIPLE HETEROGENEOUS SOURCES. BESIDES, USERS HAVE NO INFORMATION REGARDING THE QUALITY OF THE ACCESSED DATA. THIS DOCUMENT PRESENTS THE METHODS UTILIZED TO ASSESS DATA QUALITY AT MULTIPLE…
Fecha:	2010-04-27
Recurso:	Revistas UNAM

Recurso libre

16.

Applying an ontology on data integration
Buccella, Agustina - Cechich, Alejandra - Brisaboa, Nieves R.

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The term “Federated Databases” refers to the data integration of distributed, autonomous and heterogeneous databases. However, a federation can also include information systems, not only databases. When integrating data, several issues must be addressed. Here, we focus on the problem…
Fecha:	2012-09-25
Recurso:	Unversidad Nacional de La Plata

Recurso libre

17.

Evolution of product line architectures
Amaolo, Marcelo Paulo

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Product-line architectures, i.e. a software architecture and component set shared by a family of products, represents a promising approach to achieving reuse of software. Several companies are initiating or have recently adopted a product-line architecture. However, little experience is available…
Fecha:	2012-09-25
Recurso:	Unversidad Nacional de La Plata

Recurso libre

18.

Selecting COTS components: a comparative study on E-Payment systems
Cechich, Alejandra - Taryano, Karina

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Using COTS software promises faster time-to-market, which can yield substantial advantages over competitors with regards to earlier placement of a new product on a market. At the same time, component-based software introduces risks, such as unknown quality properties of the…
Fecha:	2012-10-18
Recurso:	Unversidad Nacional de La Plata

Recurso libre

19.

An ontological approach to federated data integration
Buccella, Agustina - Cechich, Alejandra - Brisaboa, Nieves R.

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	During the last years a lot of projects and lines of research have emerged from different proposals trying to find the best way to reach data integration. Two powerful techniques have appeared separately – ontology and contextual information – in…
Fecha:	2012-10-19
Recurso:	Unversidad Nacional de La Plata

Recurso libre

20.

Mapeando modelos conceituais dimensionais OO para modelos lógicos dimensionais relacionais
Carvalho, Rogerio Atem de - Tanaka, Asterio K. - Colonese, Giovanni

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The star model, broadly used in data warehouse modeling, is a logical model, so its representation is strongly dependent on the database technology used for its implementation, usually relational. The method recommended for designing a dimensional system would be the…
Fecha:	2012-10-22
Recurso:	Unversidad Nacional de La Plata

Recurso libre

21.

Classifying groupware tools to improve communication in geographically distributed elicitation
Martín, Adriana - Martinez, Claudia - Martínez Carod, Nadina - Aranda, Gabriela N. - Cechich, Alejandra

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	In a scene where stakeholders are geographically distributed, communication presents new challenges for research areas. Considering the characteristics of interpersonal communication and the virtual area where it is carried out, the importance of applying interdisciplinary approaches, such as Cognitive Engineering,…
Fecha:	2012-10-22
Recurso:	Unversidad Nacional de La Plata

Recurso libre

22.

Modeling public business processes with interaction protocols in business-to-business relationships
Villareal, Pablo - Chiotti, Omar Juan Alfredo - Salomone, Enrique

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Today, one of the main challenges of the Business-to-Business (B2B) E-Commerce solutions is to improve the business processes that organizations carry out with their suppliers and customers. B2B relationships require the management of public business processes, which span the organizational…
Fecha:	2012-10-24
Recurso:	Unversidad Nacional de La Plata

Recurso libre

23.

Animal Base
Deutsche Forschungsgemeinschaft DFG

Formato:	Repositorio
Enlaces:	Descripción completa.
Fecha:	2012-11-05
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

24.

Taxonomic evidence applying algorithms of intelligent data mining
Perichinsky, Gregorio - Servente, Magdalena - Servetto, Arturo Carlos - García Martínez, Ramón - Orellana, Rosa Beatriz - Plastino, Ángel Luis

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Numerical Taxonomy aims to group in clusters, using so-called structure analysis of operational taxonomic units (OTUs or taxons or taxa) through numerical methods. Clusters that consitute families was the purpose of this series of last projects. Structural analysis, based on…
Fecha:	2012-09-25
Recurso:	Unversidad Nacional de La Plata

Recurso libre

25.

Fully dynamic and memory-adaptative spatial approximation trees
Arroyuelo, Diego - Navarro, Gonzalo - Reyes, Nora Susana

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Hybrid dynamic spatial approximation trees are recently proposed data structures for searching in metric spaces, based on combining the concepts of spatial approximation and pivot based algorithms. These data structures are hybrid schemes, with the full features of dynamic spatial…
Fecha:	2012-10-24
Recurso:	Unversidad Nacional de La Plata

Recurso libre

26.

Phrase break prediction : a comparative study
Agüero, Pablo Daniel - Bonafonte Cávez, Antonio

Formato:	info:eu-repo/semantics/article
Enlaces:	Este artículo presenta un estudio comparado de varios métodos de predicción de pausas, usando el mismo corpus etiquetado. Algunos métodos propuestos por otras publicaciones sobre el tema son probados, combinando algunas técnicas previas para aprovechar sus principales ventajas. Un nuevo…
Fecha:	2007-09-05
Recurso:	RUA Docencia

Recurso libre

27.

Hazus application to Oslo municipality: data description
Molina Palacios, Sergio - Lindholm, Conrad D.

Formato:	info:eu-repo/semantics/workingPaper
Enlaces:	In order to apply HAZUS methodology to a real seismic risk study outside USA, the Oslo municipality was chosen as study region. The civil institutions were asked for neccesary information and we were provided with different ASCII and Arcview files…
Fecha:	2007-10-30
Recurso:	RUA Docencia

Recurso libre

28.

MBLWHOI(Marine Biological Laboratory/Woods Hole Oceanographic Institution)Library
The Marine Biological Laboratory (MBL) and the Woods Hole Oceanographic Institution (WHOI)

Formato:	Biblioteca virtual
Enlaces:	Descripción completa.
Fecha:	2012-11-05
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

29.

Labor informality in Latin America and the Caribbean: patterns and trends from household survey microdata
Gasparini, Leonardo - Tornarolli, Leopoldo

Formato:	Articulo, Documento de trabajo
Enlaces:	Este artículo documenta los principales patrones y tendencias de las definiciones alternativas de la informalidad laboral en América Latina y el Caribe, mediante la utilización de una gran base de datos de más de 100 encuestas de hogares para el…
Fecha:	2010-06-09
Recurso:	Unversidad Nacional de La Plata

Recurso libre

30.

Lib4RI: Library for the Research Institutes within the ETH Domain: Eawag, Empa, PSI & WSL.
Research Institutes within the ETH Domain: Eawag - Empa - PSI & WSL

Formato:	Biblioteca virtual
Enlaces:	Descripción completa.
Fecha:	2012-11-05
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

31.

A Semi-Automatic Method for Ontology Mapping
Perez, Laura Haide - Cechich, Alejandra - Buccella, Agustina

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Ontology mapping involves the task of finding similarities among overlapping sources by using ontologies. In a Federated System in which distributed, autonomous and heterogeneous information sources must be integrated, ontologies have emerged as tools to solve semantic heterogeneity problems. In…
Fecha:	2012-09-28
Recurso:	Unversidad Nacional de La Plata

Recurso libre

32.

Developing a Repository of Knowledge for virtual communities with semantic web technologies
Casalini, María Clara - Estevez, Elsa Clara - Fillottrani, Pablo Rubén

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The appearance and continuous growth of virtual communities on the web imposes the challenge of coping with the large amount of information and knowledge these communities produce. The Semantic Web with its set of standards and technologies provides the basic…
Fecha:	2012-09-28
Recurso:	Unversidad Nacional de La Plata

Recurso libre

33.

Program slicing based on sentence executability
Cavadini, Salvador V. - Cheda, Diego A.

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	We present point slicing, a new slicing technique for imperative programs that gives an answer to the question Which sentences can be executed if sentence p is executed?, very common in program testing, debugging, and understanding tasks and, as far…
Fecha:	2012-10-02
Recurso:	Unversidad Nacional de La Plata

Recurso libre

34.

Software projects effort estimation using “use case points” method in the context of Project Management Body of Knowledge
Montejano, Germán Antonio - Uzal, Roberto - Riesco, Daniel Eduardo - Debnath, Narayan C.

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	As a contribution to consider software projects to be risk investments, it is important the full standardization of either the planning methodology (as a subset of project management methodology) and the effort estimation method. We think there is important and…
Fecha:	2012-10-05
Recurso:	Unversidad Nacional de La Plata

Recurso libre

35.

Alsodes Pehuenche (anura: cycloramphidae): past, present and future
Corbalan, Valeria - Debandi, Guillermo - Martinez, Flavio

Formato:	Articulo, Articulo
Enlaces:	Alsodes pehuenche es una especie endémica del Valle Pehuenche, en los An- des centrales de la Argentina, en el límite con Chile. Su biología es pobremente conocida y, en consecuencia, ha sido incluida en la categoría de Datos Insuficientes por…
Fecha:	2011-06-15
Recurso:	Unversidad Nacional de La Plata

Recurso libre

36.

Caracterización mecánica de morteros de cemento Portland con breas de petróleo y de alquitrán de carbón, Mechanical characterization of Portland cement mortars containing petroleum or coal tar
Alcaide Romero, Juan - García Alcocel, Eva María - Vilaplana Ortego, Eduardo - Cazorla Amorós, Diego - Garcés Terradillos, Pedro

Formato:	info:eu-repo/semantics/article
Enlaces:	En este artículo se presentan datos experimentales de resistencia a flexión y a compresión de morteros de cemento Portland con adición y sustitución de breas de petróleo y de alquitrán de carbón, que son subproductos de la industria del carbón…
Fecha:	2012-01-19
Recurso:	RUA Docencia

Recurso libre

37.

Combining methods for searches in nested metric spaces
Gercek, Hugo - Reyes, Nora Susana - Deco, Claudia - Bender, Cristina - Salvetti, Mariano

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Most search methods in metric spaces assume that the topology of the object collection is reasonably regular. However, there exist nested metric spaces, where objects in the collection can be grouped into clusters or subspaces, in such a way that…
Fecha:	2012-07-18
Recurso:	Unversidad Nacional de La Plata

Recurso libre

38.

Decision support system for seismic risks
Somodevilla, María J. - Nava, Angélica - Pineda, Ivo H. - Priego, Ángeles Belém - Castillo, Esteban

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	This paper focuses on prediction and prevention of seismic risk through a system for decision making. Data Warehousing and OLAP operations are applied, together with, data mining tools like association rules, decision trees and clustering to predict aspects such as…
Fecha:	2012-07-18
Recurso:	Unversidad Nacional de La Plata

Recurso libre

39.

A UML Profile for Documenting the Component-and-Connector Views of Software Architectures
Anacleto, Valerio Adrián

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	In this paper, we present a UML profile and a group of UML patterns for documenting the component-and-connector views of software architectures [8]. They facilitate the creation of the component and connector viewtype in any UML 2.0 tool with a…
Fecha:	2012-09-28
Recurso:	Unversidad Nacional de La Plata

Recurso libre

40.

An ontology approach to data integration
Buccella, Agustina - Cechich, Alejandra - Rodríguez Brisaboa, Nieves

Formato:	Articulo, Articulo
Enlaces:	The term Federated Databases refers to the data integration of distributed, autonomous and heterogeneous databases. However, a federation can also include information systems, not only databases. At integrating data, several issues must be addressed. Here, we focus on the problem…
Fecha:	2004-05-21
Recurso:	Unversidad Nacional de La Plata

Recurso libre

41.

Trends in tariff reforms and trends in the structure of wages
Galiani, Sebastian - Porto, Guido

Formato:	Articulo, Documento de trabajo
Enlaces:	Este trabajo aporta nuevas evidencias sobre el impacto de las reformas comerciales sobre los salarios. En primer lugar, se introduce un modelo de comercio que combina un mecanismo de fijación de salarios no competitivo debido a la existencia de sindicatos,…
Fecha:	2012-02-23
Recurso:	Unversidad Nacional de La Plata

Recurso libre

42.

Applying aspect oriented technology to relational data bases: The replication case, Tecnología aplicada a aspectos en base de datos relacionales: El caso de replicación
Fernando Asteasuain; Universidad de Buenos Aires - Adeel Javed; University of Central Punjab

Formato:	,
Enlaces:	AbstractDue to aspect-oriented mechanisms explosion, their concepts arrive to distributed systems tackling concepts as security, persistence, or synchronization, especially in middleware approaches. Regarding distributed databases, the research has been focused mainly on object-oriented databases. Based on the great impact of…
Fecha:	2011-06-20
Recurso:	Ingeniería y desarrollo

Recurso libre

43.

Fauna and distribution of Bulgarian Phygadeuontini (Hymenoptera: Ichneumonidae: Cryptinae), Fauna y distribución de los Phygadeuntonini (Hymenoptera: Ichneumonidae: Cryptinae)
Kolarov, Janko - Bordera Sanjuán, Santiago

Formato:	info:eu-repo/semantics/article
Enlaces:	Faunistic data of 64 species of Phygadeuontini from Bulgaria are reported. Of them, 27 species are new records for Bulgarian fauna. Zoogeographical considerations about all listed species are given., En el presente artículo se ofrecen nuevos datos faunísticos sobre 64…
Fecha:	2012-07-24
Recurso:	RUA Docencia

Recurso libre

44.

Four new additions to the araneofauna of Guanajuato state, Mexico
ARENAS-MONROY,José Carlos - GARCÍA-BALDERAS,Christian Martin - LUCIO-PALACIO,Cesar Raziel

Formato:	journal article
Enlaces:	Se presentan los datos de recolecta de cuatro nuevos registros de arañas para el estado de Guanajuato: Argiope argentata (Fabricius 1775), Castianeira dorsata (Banks 1898), C. plorans (O.P.Cambridge 1898) y Selenops gracilis Muma 1953. Adicionalmente, se proporcionan algunos datos de…
Fecha:	2012-08-01
Recurso:	SCIELO

Recurso libre

45.

Multilingual access to online help systems and databases, Acceso multilingüe a sistemas de ayuda y bases de datos en línea
Revuelta Martínez, Alejandro - Rodríguez Ruiz, Luis - García Varea, Ismael

Formato:	info:eu-repo/semantics/article
Enlaces:	En este artículo presentamos el sistema AMSABEL, un sistema de acceso a información basado en lenguaje natural. AMSABEL proporciona acceso al contenido de una base de datos relacional, a partir de consultas realizadas en lenguaje natural, tanto en castellano como…
Fecha:	2010-05-03
Recurso:	RUA Docencia

Recurso libre

46.

Development of a relational database management system
Ruiz, Anabel Natalia - Maldonado, Calixto - Martínez Spessot, Cesar Ignacio

Formato:	Articulo, Articulo
Enlaces:	The studies of Relational Data Base Management Systems and Databases constitute nowadays a main tren of investigation in large businesses and universities of the entire world. The creation of a data base engine keeps being a challenge since there are…
Fecha:	2004-05-19
Recurso:	Unversidad Nacional de La Plata

Recurso libre

47.

Prototipos para transmisión de datos sobre fibra óptica plástica en cortas distancias implementados en FPGA
Cárdenas, D. - Nespola, A.

Formato:	Article
Enlaces:	This work describes two media converter prototypes for transmitting 10Mb/s & 100Mb/s Ethernet data over large core (1mm) Step-Index Polymer Optical Fiber (SI-POF). In terms of reach, both prototypes greatly outperform previously published results and current commercial media converters based…
Fecha:	2009-10-12
Recurso:	Escuela Politécnica Nacional

Recurso libre

48.

Weather Radar Estimations Feeding an Artificial Neural Network Model, Weather Radar Estimations Feeding an Artificial Neural Network Model
Cerda Villafaña, Gustavo - Ledesma, Sergio - Han, Dawei

Formato:	Artículo revisado por pares, Investigación, Research
Enlaces:	The application of ANNs (Artifi cial Neural Networks) has been studied by many researchers in modelling rainfall runoff processes. However, the work so far has been focused on the rainfall data from traditional raingauges. Weather radar is a modern technology…
Fecha:	2012-02-08
Recurso:	Acta Universitaria

Recurso libre

49.

A Method to Ease the Deployment of Web Applications that Involve Database Systems, A Method to Ease the Deployment of Web Applications that Involve Database Systems
Ledesma, Sergio - Hernández Fusilier, Donato - Vega Corona, Antonio - Cervantes Aviña, Juan Gabriel

Formato:	Artículo revisado por pares, Investigación, Research
Enlaces:	El crecimiento continuo de la Internet ha permitido a las personas, alrededor de todo mundo, realizar transacciones en línea, buscar información o navegar usando el explorador de la Web. A medida que más gente se siente cómoda usando los exploradores…
Fecha:	2012-02-09
Recurso:	Acta Universitaria

Recurso libre

50.

Interacciones genotipo x ambiente, mega-ambientes y genotipos y ambientes superiores para rendimiento de grano de soja en Argentina, Genotype-environment interactions, megaenvironments and winner genotypes and environments for soybean grain yield in Argentina
Lúquez, Julia - Capurro, M. - Erazzú, Luis

Formato:	Articulo, Articulo
Enlaces:	La soja [(Glycine max L.) Mer.] puede sembrarse en una amplia zona del país en Argentina. Los ensayos comparativos de rendimiento, normalmente se realizan en 3 zonas agroecológicas: Norte, Pampeana Norte y Pampeana Sur. El análisis y la interpretación de…
Fecha:	2011-03-04
Recurso:	Unversidad Nacional de La Plata

Recurso libre

51.

Contributions to social security in Argentina, Chile and Uruguay: densities, transitions and duration
Sanromán, Graciela - Rossi, Ianina - Grushka, Carlos - Fajnzylber, Eduardo - Apella, Ignacio - Forteza, Álvaro

Formato:	Articulo, Articulo
Enlaces:	Los programas de pensiones latinoamericanos tienen baja cobertura. Utilizando paneles de registros administrativos de Argentina, Chile y Uruguay, caracterizamos las historias de contribución de la población. Construimos tres indicadores: densidad de cotización, tasas de transición y duración de los períodos…
Fecha:	2012-01-03
Recurso:	Unversidad Nacional de La Plata

Recurso libre

52.

Antifouling effect of two saturated copper coatings applied on carbon steel structures, Efecto antifouling de dos cubiertas saturadas de cobre aplicadas sobre estructuras de acero al carbono
Guiamet, Patricia - Saravia, Sandra Gómez de

Formato:	Articulo, Articulo
Enlaces:	Biofouling is the colonization of man-made substrata by sessile organisms. The aim of this paper is to evaluate the performance of two antifouling saturated copper coating. Bioassays were can-ied out at a harbor in Argentine (38°02'S-57°32'W). During six months, one…
Fecha:	2013-09-02
Recurso:	Unversidad Nacional de La Plata

Recurso libre

53.

Ohlson model by panel cointegration with Mexican data, El modelo Ohlson mediante cointegración de panel con datos mexicanos
Lorenzo Valdés, Arturo - Durán Vázquez, Rocío

Formato:
Enlaces:	In this study we use cointegration methods to investigate the relationship between the variables of the Ohlson model (stock price, earnings per share and book value) with panel data. The cointegration tests were applied at individual and group level (by…
Fecha:	2010-12-29
Recurso:	Revistas UNAM

Recurso libre

54.

Mertz Library@The New York Botanical Garden
New York Botanical Garden

Formato:	Biblioteca virtual
Enlaces:	Descripción completa.
Fecha:	2012-11-05
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

55.

Tropicos
Missouri Botanical Garden

Formato:	Repositorio
Enlaces:	Descripción completa.
Fecha:	2012-11-05
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

56.

IRRI Library: International Rice Research Institute
The International Rice Research Intitute Fiipinas

Formato:	Biblioteca virtual
Enlaces:	Descripción completa.
Fecha:	2012-11-05
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

57.

The Phycology.Net
Bayerisches Landesamt für Wasserwirtschaft - Botanische Staatssammlung München - University of Bayreuth Department of Mycology

Formato:	Biblioteca virtual
Enlaces:	Descripción completa.
Fecha:	2012-11-05
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

58.

Introducción a las bases de datos: fundamentos y diseño, Introduction to databases: fundamentals and design
Bertone, Rodolfo Alfredo - Thomas, Pablo Javier

Formato:	Articulo, Revision
Enlaces:	The main purpose of this book is to present the contents of an introductory course in databases. In this regard, one can find a number of material validity and recognized different scopes. This work is developed under the guidelines that…
Fecha:	2012-10-09
Recurso:	Unversidad Nacional de La Plata

Recurso libre

59.

A new nomenclatural combination in Malva L. (Malvaceae)
Juan Gallardo, Ana Isabel - Crespo Villalba, Manuel Benito

Formato:	info:eu-repo/semantics/article
Enlaces:	The name Lavatera x columbretensis, recently proposed for a hybrid growing in the Columbretes Archipelago (Castellón, E of Spain), is transferred to Malva. Additional data on nomenclature of other related taxa of ‘L. sect. Anthema’ and ‘L. sect. Axolopha’, are…
Fecha:	2012-05-11
Recurso:	RUA Docencia

Recurso libre

60.

Assessing different rule quality measures in a genetic algorithm for discovering association rules
Soto, Wilson - Olaya Benavides, Amparo

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The genetic algorithms have seen applied in knowledge discovery and specially for discovering association rules. In this paper, we explore the use of di erent rule quality measures in the tness function in a genetic algorithm for discovering association rules.…
Fecha:	2012-11-06
Recurso:	Unversidad Nacional de La Plata

Recurso libre

61.

A PSO-based clustering approach assisted by initial clustering information
Velázquez, Carlos - Cagnina, Leticia - Errecalde, Marcelo Luis

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Clustering of short texts is an important research area because of its applicability in information retrieval and text mining. To this end was proposed CLUDIPSO, a discrete Particle Swarm Optimization algorithm to cluster short texts. Initial results showed that CLUDIPSO…
Fecha:	2012-11-06
Recurso:	Unversidad Nacional de La Plata

Recurso libre

62.

Modern database management VI Edition. Jeffrey A. Hoffer, Mary B. Prescott, Fred R. McFadden Prentice Hall, Upper Saddle River, NJ, 2002
Bertone, Rodolfo Alfredo

Formato:	Articulo, Revision
Enlaces:	This book provides an excellent foundation for the principles of database and data management. It explains some of the more difficult concepts fairly well. The book is meant for an introductory course in database management which is usually required as…
Fecha:	2008-10-10
Recurso:	Unversidad Nacional de La Plata

Recurso libre

63.

How in-training Secondary Education teachers think: avenues for intervention, Pensamiento y formación del profesorado de Educación Secundaria: vías de intervención
Pérez Sánchez, Antonio Miguel - Gilar Corbi, Raquel - González Gómez, Carlota

Formato:	info:eu-repo/semantics/article
Enlaces:	Introduction. The aim of this research is to analyse the thinking of teachers-in-training for compulsory secondary education, in order to facilitate the work of education and guidance at secondary schools. Method. The participants were 265 students in the CAP program…
Fecha:	2012-05-18
Recurso:	RUA Docencia

Recurso libre

64.

Using Machine Learning for Extracting Information from Natural Disaster News Reports, Usando Aprendizaje Automático para Extraer Información de Noticias de Desastres Naturales
Téllez Valero, Alberto - Montes y Gómez, Manuel - Villaseñor Pineda, Luis

Formato:
Enlaces:	THE DISASTERS CAUSED BY NATURAL PHENOMENA HAVE BEEN PRESENT ALL ALONG HUMAN HISTORY; NEVERTHELESS, THEIR CONSEQUENCES ARE GREATER EACH TIME. THIS TENDENCY WILL NOT BE REVERTED IN THE COMING YEARS; ON THE CONTRARY, IT IS EXPECTED THAT NATURAL PHENOMENA WILL…
Fecha:	2010-04-27
Recurso:	Revistas UNAM

Recurso libre

65.

Interannual deviations of long-term data from observations and contrasting with reanalysis data from the oceanic station at Islas Marías, Nayarit, Mexico, Interannual deviations of long-term data from observations and contrasting with reanalysis data from the oceanic station at Islas Marías, Nayarit, Mexico
PALACIOS-HERNÁNDEZ, E.; Centro de Ciencias de la Atmósfera, Universidad Nacional Autónoma de México - BRITO-CASTILLO, L. - CARRILLO, L. - TERESHCHENKO, I.

Formato:	,
Enlaces:	We prepared a synthesis of historical weather conditions for Isla María Madre (1922-1989) to reflect conditions that impact the mainland of México. Observations were compared with regional reanalysis (RR) data in the same area. The results indicate that air temperature,…
Fecha:	2012-09-28
Recurso:	Revistas UNAM

Recurso libre

66.

Incompressibility and Lossless Data Compression: An Approach by Pattern Discovery, Incompresibilidad y compresión de datos sin pérdidas: Un acercamiento con descubrimiento de patrones
Herrera Alcántara, Oscar - Zaragoza Martínez, Francisco Javier

Formato:
Enlaces:	WE PRESENT A NOVEL METHOD FOR LOSSLESS DATA COMPRESSION THAT AIMS TO GET A DIFFERENT PERFORMANCE TO THOSE PROPOSED IN THE LAST DECADES TO TACKLE THE UNDERLYING VOLUME OF DATA OF THE INFORMATION AND MULTIMEDIA AGES. THESE LATTER METHODS ARE…
Fecha:	2010-04-27
Recurso:	Revistas UNAM

Recurso libre

67.

Diversidad de mamíferos en los dominios climáticos de la Reserva de la Biosfera Tehuacán-Cuicatlán, México, Mammalian diversity in climatic domains for Tehuacán-Cuicatlán Biosphere Reserve, Mexico
Téllez Valdés, Oswaldo - Farías, Verónica - Dávila Aranda, Patricia - Stein, Janet Louis - Lira Saade, Rafael - Botello, Francisco J.

Formato:
Enlaces:	La reserva de la biosfera Tehuacán-Cuicatlán (BRTC) posee gran diversidad de mamíferos, pero la información sobre distribución geográfica es incompleta para la mayoría de las especies. Esto ha representado una dificultad en esfuerzos previos para modelar el nicho ecológico y…
Fecha:	2010-12-07
Recurso:	Revistas UNAM

Recurso libre

68.

OARDC Library Ohio Agricultural Research and Development Center
The Ohio State University

Formato:	Biblioteca virtual
Enlaces:	Descripción completa.
Fecha:	2012-11-05
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

69.

Towards a reverse engineering approach for guiding user in applying data mining
Espinosa, Roberto - Mazón López, José Norberto - Zubcoff Vallejo, José Jacobo

Formato:	info:eu-repo/semantics/conferenceObject
Enlaces:	Data mining is at the core of the knowledge discovery process. However, an initial preprocessing step is crucial for assuring reliable results within this process. Preprocessing of data is a time-consuming and non-trivial task since data quality issues should be…
Fecha:	2012-11-16
Recurso:	RUA Docencia

Recurso libre

70.

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

71.

Identifying cognitive aspects to improve business process reengineering
Martín, Adriana - Cechich, Alejandra

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Knowledge-intensive processes are widely used to recover from errors, handle exceptional cases and complaints, and to improve or adapt a process itself. In this context, evolved Business-Process Reengineering (BPR) techniques are changing to give some answers to this reality. In…
Fecha:	2012-10-12
Recurso:	Unversidad Nacional de La Plata

Recurso libre

72.

Using fuzzy sets to analyse personal preferences on groupware tools
Aranda, Gabriela N. - Cechich, Alejandra - Vizcaíno, Aurora - Castro-Schez, José J.

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	When stakeholders are geographically distributed communication presents new challenges for software engineering community. In order to improve communication between stakeholders, we have previously proposed to apply learning style models to characterise the way people interact. In this work we enhance…
Fecha:	2012-10-12
Recurso:	Unversidad Nacional de La Plata

Recurso libre

73.

Portal da Língua Portuguesa
Janssen, Maarten

Formato:	info:eu-repo/semantics/article
Enlaces:	El objetivo del proyecto Portal da Língua Portuguesa es construir, con un doble objetivo, un juego de recursos léxicos. En primer lugar, estos recursos sirven como fuente de información para una página web sobre la lengua portuguesa para el público…
Fecha:	2007-11-19
Recurso:	RUA Docencia

Recurso libre

74.

Automatic Instrumentation with a PC-based Data Acquisition System for Experiments in Optical Characterization of Materials, Automatic Instrumentation with a PC-based Data Acquisition System for Experiments in Optical Characterization of Materials
Andrade Lucio, J. A. - Vite-Chávez, O. - Olivera-Reyna, Roberto - Olivera-Reyna, Reynel - Ibarra-Manzano, O. G. - Alvarado-Méndez, E. - Rojas-Laguna, R. - Estudillo-Ayala, J. M. - Trejo-Durán, M. - Gutiérrez-Martín, H.

Formato:	Artículo revisado por pares, Investigación, Research
Enlaces:	Se presenta un control automático simple para aplicaciones de caracterización óptica de materiales usando la técnica Z-scan. En particular, se enfatiza el proceso de automatización. Para este propósito, se usó un puerto de comunicación de I/O de una tarjeta de…
Fecha:	2012-02-10
Recurso:	Acta Universitaria

Recurso libre

75.

Bode plots applied to microscopic interferometry, Bode plots applied to microscopic interferometry
Flores, J. M. - Cywiak, M. - Servín, M. - Juárez, L.

Formato:	,
Enlaces:	We describe a technique for using Bode plots in microscopic interferometry, in particular as applied to the three Gaussian beam interferometer recently reported in the literature. The technique is used in a similar manner to its application to an electric…
Fecha:	2010-01-29
Recurso:	Revistas UNAM

Recurso libre

76.

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

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	This document describes a research and development project - Semantic Web and Cooperative Problem Solving for Online Communities of Practice. The aim of the project is to build a system supporting Cooperative Problem Solving within the framework of online Communities…
Fecha:	2012-09-11
Recurso:	Unversidad Nacional de La Plata

Recurso libre

77.

A hybrid data structure for searching in metric spaces
Herrera, Norma Edith - Reyes, Nora Susana - Chávez, Edgar

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The concept of “approximate” searching has applications in a vast number of fields. Some examples are non-traditional databases (e. g. storing images, fingerprints or audio clips, where the concept of exact search is of no use and we search instead…
Fecha:	2012-09-20
Recurso:	Unversidad Nacional de La Plata

Recurso libre

78.

Analysis of two indexing structures for textual databases
Marín, Mauricio - Bonacic, Carolina - Casas, Sandra

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	This article describes strategies devised to improve the efficiency of two classical index data structures for parallel textual databases. The design and cost evaluation is effected on top of the bulk-synchronous model of parallel computing. This allows us to compare…
Fecha:	2012-10-29
Recurso:	Unversidad Nacional de La Plata

Recurso libre

79.

The genetic model revisited: on the origins and development of the maya, The genetic model revisited: on the origins and development of the maya, The genetic model revisited: on the origins and development of the maya
Z. Vogt, Evon

Formato:
Enlaces:	, , El autor propone el modelo genético como método comparativo para el estudio de los mayas con base en su distribución contigua geograficamente, así como sus raíces lingüísticas y culturales. Propone ocho pasos en el análisis: distribución lingüística, la…
Fecha:	2010-04-15
Recurso:	Anales de Antropología

Recurso libre

80.

Formato:
Enlaces:	, , El autor propone el modelo genético como método comparativo para el estudio de los mayas con base en su distribución contigua geograficamente, así como sus raíces lingüísticas y culturales. Propone ocho pasos en el análisis: distribución lingüística, la…
Fecha:	2010-04-15
Recurso:	Anales de Antropología

Recurso libre

81.

A functional approach for in line analytical processing
Necco, Claudia Mónica - Quintas, Luis - Nuno Olivera, J.

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	This paper describes an approach to On Line Analytical Processing (OLAP), expresed in the declarative programming paradigm. We define a collection of functions that capture some of the functionality currently provided by multidimensional database product. This is done by defining…
Fecha:	2012-10-05
Recurso:	Unversidad Nacional de La Plata

Recurso libre

82.

Dynamic selection of suitable pivots for similarity search in metric spaces
Deco, Claudia - Salvetti, Mariano - Reyes, Nora Susana - Bender, Cristina

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	This paper presents a data structure based on Sparse Spatial Selection (SSS) for similarity searching. An algorithm that tries periodically to adjust pivots to the use of database index is presented. This index is dynamic. In this way, it is…
Fecha:	2012-09-19
Recurso:	Unversidad Nacional de La Plata

Recurso libre

83.

Argentina s crises and the poor, 1995-2002
Cruces, Guillermo - Wodon, Quentin

Formato:	Articulo, Articulo
Enlaces:	Este trabajo documenta el impacto de las recientes crisis en Argentina sobre diferentes aspectos de la pobreza, con particular atención en la crisis económica de 2002. Discutimos la metodología de medición de pobreza en Argentina y utilizamos una regla simple…
Fecha:	2009-07-15
Recurso:	Unversidad Nacional de La Plata

Recurso libre

84.

A Methodology for Vertically Partitioning in a Multi-Relation Database Environment
Gorla, Narasimhaiah

Formato:	Articulo, Articulo
Enlaces:	Vertical partitioning, in which attributes of a relation are assigned to partitions, is aimed at improving database performance. We extend previous research that is based on a single relation to multi-relation database environment, by including referential integrity constraints, access time
Fecha:	2008-05-22
Recurso:	Unversidad Nacional de La Plata

Recurso libre

85.

Fast Most Similar Neighbor (MSN) classifiers for Mixed Data, Clasificadores Rápidos basados en el algoritmo del Vecino más Similar (MSN) para Datos Mezclados
Hernández Rodríguez, Selene - Martínez Trinidad, José Francisco - Carrasco Ochoa, Jesús Ariel

Formato:
Enlaces:	The k nearest neighbor (k-NN) classifier has been extensively used in Pattern Recognition because of its simplicity and its good performance. However, in large datasets applications, the exhaustive k-NN classifier becomes impractical. Therefore, many fast k-NN classifiers have been developed;…
Fecha:	2011-06-29
Recurso:	Revistas UNAM

Recurso libre

86.

Fatores associados ao abandono do aleitamento materno durante os primeiros seis meses de vida, Factores asociados al abandono de la lactancia materna durante los primeros 6 meses de vida, Factors associated to breastfeeding cessation before 6 months
Oliver Roig, Antonio - Richart Martínez, Miguel - Cabrero García, Julio - Pérez Hoyos, Santiago - Laguna Navidad, Ginesa - Flores Álvarez, Juan Carlos - Calatayud Pujalte, María del Mar - García de León González, Ricardo

Formato:	info:eu-repo/semantics/article
Enlaces:	O objetivo da pesquisa foi identificar os fatores associados ao abandono do aleitamento materno (AM) e do aleitamento materno completo (AMC). Foram acompanhadas 248 mães que fizeram visita pós-parto. Os dados foram coletados mediante entrevista pessoal durante o primeiro mês…
Fecha:	2012-11-06
Recurso:	RUA Docencia

Recurso libre

87.

Sombrero de palma, 2244
Estrada Discua, Raul

Formato:	Imagen
Enlaces:	Instituto de Investigaciones Sociales
Fecha:	2012-08-18
Recurso:	Instituto de Investigaciones Sociales - UNAM

Recurso libre

88.

Diseño e Implementación de un Sistema de Evaluación Remota con Seguridad Avanzada para Universidades Utilizando Minería de Datos, Design and Implementation of an Advanced Security Remote Assessment System for Universities Using Data Mining
Hernández Aguilar, José Alberto - Burlak, Gennadiy - Lara, Bruno

Formato:
Enlaces:	Desarrollamos una aplicación de la tecnología computacional en la evaluación del conocimiento de los estudiantes. Implementamos una tecnología cliente-servidor, de código original en Java, basada en el proceso natural de evaluación donde los estudiantes (clientes) universitarios son evaluados por un…
Fecha:	2010-08-25
Recurso:	Revistas UNAM

Recurso libre

89.

Manifesto of interbehavioral psychology, Manifiesto de la psicología interconductual
Kantor, J. R.; Univesidad de Chicago

Formato:	,
Enlaces:	Describes dic nature and development of interbehavioral psychology, with particular reference to its origin, postulation, data, operations, laws, asid implications., Describe la naturaleza y desarrollo de la psicologi’a interconductural, con peticular referencia a su origen, postulación, datos, operaciones, leyes e…
Fecha:	2011-01-27
Recurso:	Revistas UNAM

Recurso libre

90.

The genus Ixodes (Acari: Ixodidae) in Mexico: adult identification keys, diagnoses, hosts, and distribution, El género Ixodes (Acari: Ixodidae) en México: claves de identificación para adultos, diagnosis, huéspedes y distribución
Guzmán-Cornejo, Carmen - Robbins, Richard G.

Formato:
Enlaces:	Identification keys, diagnoses, hosts, and distribution data are provided for adults of the 26 species of Ixodes known from Mexico. Data are from specimens deposited in the Colección Nacional de Ácaros (CNAC), Instituto de Biología, Universidad Nacional Autónoma de México,…
Fecha:	2010-10-22
Recurso:	Revistas UNAM

Recurso libre

91.

Formato:
Enlaces:	, , El autor propone el modelo genético como método comparativo para el estudio de los mayas con base en su distribución contigua geograficamente, así como sus raíces lingüísticas y culturales. Propone ocho pasos en el análisis: distribución lingüística, la…
Fecha:	2010-04-15
Recurso:	Revistas UNAM

Recurso libre

92.

Evolutifon of decision support system architectures: applications to land planning and management in Cuba
Segrera, Saddys - Ponce-Hernandez, Raúl - Arcia, J.

Formato:	Articulo, Articulo
Enlaces:	The main objective of this paper centers on reviewing the evolution of Decision Support System´s (DSS) architectures, particularly as they apply to natural resources. Today it is difficult to conceive the existence of a rural planning automated system that doesn't…
Fecha:	2004-02-03
Recurso:	Unversidad Nacional de La Plata

Recurso libre

93.

The impact of exchange rate volatility on Brazilian manufactured exports
Aguirre, Antonio - Ferreira, Afonso - Notini, Hilton

Formato:	Articulo, Articulo
Enlaces:	El objetivo de este artículo es examinar la relación existente entre la volatilidad de la tasa de cambio y el volumen de exportaciones, usando datos brasileños. Después de establecer la existencia de cointegración entre las variables incluidas en nuestro modelo,…
Fecha:	2009-08-03
Recurso:	Unversidad Nacional de La Plata

Recurso libre

94.

Agricultural supply response in the Argentinean economy
Herrou-Aragón, Alberto

Formato:	Articulo, Articulo
Enlaces:	Este trabajo tiene como objetivo estimar la forma reducida de una función de oferta agropecuaria de la economía argentina en el marco de un modelo de equilibrio general. Los resultados de la estimación de la oferta agropecuaria con datos que…
Fecha:	2009-08-03
Recurso:	Unversidad Nacional de La Plata

Recurso libre

95.

Data bases and discrete event simulation
Boubetra, Abdelhak - Belouadah, Hocine - Mouhoub, Nassreddine

Formato:	Articulo, Articulo
Enlaces:	This paper is an attempt to define how a specific data structure might be used to store, in a persistent manner, temporal information during a computer simulation. In particular, it considers the sort of temporal information generated during a discrete…
Fecha:	2008-05-22
Recurso:	Unversidad Nacional de La Plata

Recurso libre

96.

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

97.

Classification rules obtained from dynamic self-organizing maps
Hasperué, Waldo - Lanzarini, Laura Cristina

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	La obtención de conocimiento a partir de la información existente es un proceso no trivial que consiste en identificar patrones válidos, novedosos, potencialmente útiles y comprensibles a partir de los datos disponibles. La Minería de Datos es el área de…
Fecha:	2012-10-19
Recurso:	Unversidad Nacional de La Plata

Recurso libre

98.

Software process improvement behavior of small and medium organizations in Argentina
Colla, Pedro E. - Montagna, Jorge Marcelo

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Este artículo reporta el trabajo de investigación realizado en base a datos extraídos de la Encuesta Anual realizada por la CESSI durante el año 2007 entre organizaciones dedicadas al desarrollo de Software en Argentina. Si bien la temática de mejora…
Fecha:	2012-10-02
Recurso:	Unversidad Nacional de La Plata

Recurso libre

99.

Taking advantages of ontology and contexts to determine similarity of data
Buccella, Agustina - Cechich, Alejandra - Rodríguez Brisaboa, Nieves

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Data integration is the process of unifying data sharing some common semantics but are originated from unrelated sources. In our work we consider these sources are autonomous, heterogeneous and they are physically distributed. These three characteristics make the integration task…
Fecha:	2012-10-11
Recurso:	Unversidad Nacional de La Plata

Recurso libre

100.

EMTPL and its relation to first order logic
Cobo, María Laura - Falappa, Marcelo Alejandro

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Time and change are notions that seems unavoidable in some areas of work and investigation, languages that can deal with these notions are necessary. At the same time, methods for a proper time handling are quite complex, mainly because problem’s…
Fecha:	2012-10-12
Recurso:	Unversidad Nacional de La Plata