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Aproximadamente 537 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

Data warehouse design with UML
Luján Mora, Sergio

Formato:	info:eu-repo/semantics/doctoralThesis
Enlaces:	Descripción completa.
Fecha:	2009-07-07
Recurso:	RUA Docencia

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

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

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

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

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

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

10.

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

11.

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

12.

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

13.

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

14.

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

15.

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

16.

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

17.

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

18.

Animal Base
Deutsche Forschungsgemeinschaft DFG

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

Recurso libre

19.

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

20.

Determinants in university desertion and graduation: an application using duration models
Giovagnoli, Paula Inés

Formato:	Articulo, Articulo
Enlaces:	Este trabajo investiga el problema de la deserción y graduación de los estudiantes universitarios. Se utilizan modelos de riesgo proporcional no paramétricos para estimar los efectos cualitativos y cuantitativos de factores personales y características socioeconómicas de los alumnos sobre las…
Fecha:	2009-06-11
Recurso:	Unversidad Nacional de La Plata

Recurso libre

21.

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

22.

Design of a service-oriented architecture for federated systems
Calegari, Daniel - Viera, Marcos - Motz, Regina

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	A Federated System is a collection of independent, cooperative, possibly heterogeneous and autonomous computer systems (usually database systems) which allows sharing all or some of its data. A Service-oriented Architecture is an application architecture whose functionalities are defined as independent…
Fecha:	2012-10-29
Recurso:	Unversidad Nacional de La Plata

Recurso libre

23.

Improving use case definition using enterprise communication networks
Luzuriaga, Juan Manuel

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Although researchers noted the importance of effective communication among stakeholders, it continues to be a challenge for requirements engineering. Communication can be considered as a management tool since communication allows organisation’s personnel to produce a cohesive enterprise view. In this…
Fecha:	2012-10-26
Recurso:	Unversidad Nacional de La Plata

Recurso libre

24.

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

25.

Classifying software requirement prioritization approaches
Martínez Carod, Nadina - Cechich, Alejandra

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Defining software requirements is a complex and difficult process, which often leads to costly project failures. Requirements emerge from a collaborative and interactive negotiation process that involves heterogeneous stakeholders (people involved in an elicitation process such as users, analysts, developers,…
Fecha:	2012-10-26
Recurso:	Unversidad Nacional de La Plata

Recurso libre

26.

CCMini: a prototype of certifying compiler based on annotated abstract syntax trees
Bavera, Francisco - Nordio, Martín - Medel, Ricardo - Aguirre, Jorge - Baum, Gabriel Alfredo

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Certifying compilers use static information of a program to verify that it complies with certain security properties and to generate certified code. To do so, those compilers translate the source program into an annotated program written in some intermediate language.…
Fecha:	2012-10-26
Recurso:	Unversidad Nacional de La Plata

Recurso libre

27.

Semantic document indexing in ontology-driven organizational memories
Ale, María Alejandra - Galli, María Rosa - Chiotti, Omar Juan Alfredo

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Effective document retrieval using domain knowledge and semantics is one of the major challenges in Information Retrieval. Over the last years, there has been a growing interest in ontologies as an artifact for human knowledge representation and a critical component…
Fecha:	2012-10-29
Recurso:	Unversidad Nacional de La Plata

Recurso libre

28.

A UML profile to model classifier refinements
Correa, Natalia - Giandini, Roxana Silvia - Pons, Claudia

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The refinement technique allows us to capture the relationship between specification and implementation in software developments. The precise documentation of the refinement relations hip makes it possible the traceability of the requirements through the refinement steps. Unfortunately, the standard modelling…
Fecha:	2012-10-29
Recurso:	Unversidad Nacional de La Plata

Recurso libre

29.

Tower generic data processing
Necco, Claudia Mónica - Nuno Olivera, J.

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Many aspects of data processing are functional in nature and can take advantage of recent developments in the area of functional programming and calculi. The work described in this paper is an attempt to contribute to this line of thought,…
Fecha:	2012-10-29
Recurso:	Unversidad Nacional de La Plata

Recurso libre

30.

Extending message-oriented middleware
Estevez, Elsa Clara - Janowski, Thomas

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Different types of middleware exist to facilitate the integration of software running on heterogeneous computing platforms. Message Oriented Middleware (MOM), for instance, enables the interaction between heterogeneous applications by exchanging packets of structured data (messages) through communication channels. The core…
Fecha:	2012-10-29
Recurso:	Unversidad Nacional de La Plata

Recurso libre

31.

Management model for measurement infrastructure
Battisti, Gerson - Tarouco, Liane M. R. - Granville, Lisandro

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The evaluation of metric of performance is useful in the evaluation of protocols, in the improvement of applications, in the content choice, among others. The obtaining of these metrics, it continues being a complex task because most of the time…
Fecha:	2012-10-29
Recurso:	Unversidad Nacional de La Plata

Recurso libre

32.

Requirements elicitation applied to electronic voting system
Thomas, Pablo Javier - Oliveros, Alejandro

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Nowadays, technology has become the key element to carry out the management, organization and fulfillment of the electoral process. The electoral process should be understood as the actions that entail the making of the electoral roll, citizen identification, the act…
Fecha:	2012-10-26
Recurso:	Unversidad Nacional de La Plata

Recurso libre

33.

Precompilation: an alternative approach to provide native generic programming support in C++
Gutson, Daniel F. - Alarcón, Román

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	In C++, Generative Programming (GP) techniques are being used to generate highly customized and optimized products automatically manufactured at compile-time; to provide these functionalities increasing compiling power is required. This work presents an improved compilation model for C++ by adding…
Fecha:	2012-10-29
Recurso:	Unversidad Nacional de La Plata

Recurso libre

34.

A software product line experience
Andriano, Natalia Valeria - Kirch, Jorge - Zibecchi, Mariano

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Previous work in software product lines showed an increment of up to 10 times in productivity and product quality [SEI Prod_Line]; because of this, the software product line approach is critical for the success of a development project including a…
Fecha:	2012-10-29
Recurso:	Unversidad Nacional de La Plata

Recurso libre

35.

A managerial framework for an electronic government procurement project: complex software projects management fundamentals
Uzal, Roberto - Montejano, Germán Antonio - Riesco, Daniel Eduardo - Uzal, Javier

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	An Electronic Government Procurement (e-GP) project, as most of complex software systems development and implantation, requires sophisticated and strong managerial concepts and skills. So, an effective and consistent managerial framework is needed. Traditional project management models, that propose a series…
Fecha:	2012-10-29
Recurso:	Unversidad Nacional de La Plata

Recurso libre

36.

A wrapper&mediator prototype for web data warehouses
Giaudrone, Verónica - Guerra, Marcelo - Vaccaro, Marcelo - Motz, Regina - Marotta, Adriana

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	There is a lot of information published on the Web that can be useful for decision-making. The work reported in this paper focuses on how to extract and integrate this information in order to construct a Data Warehouse that makes…
Fecha:	2012-10-29
Recurso:	Unversidad Nacional de La Plata

Recurso libre

37.

Stakeholder selection for business processes support systems in interorganizational environments
Ballejos, Luciana C. - Montagna, Jorge Marcelo

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	This work presents a methodology with basic steps to follow before developing Interorganizational Information Systems (IOSs), which constitute the support for the execution of business processes (BPs) in new structural forms made up of various organizations, called Interorganizational Networks (IONs).…
Fecha:	2012-10-29
Recurso:	Unversidad Nacional de La Plata

Recurso libre

38.

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

39.

Segmentos corporales de la estatura en niños y adolescentes de poblaciones de altura del Noroeste Argentino
Lomaglio, Delia Beatriz - Dip, Norma - Verón, Juan Antonio - Dipierri, José Edgardo - Alfaro Gómez, Emma Laura - Bejarano, Ignacio - Kriscautzky, Néstor - Marrodán, María D. - Mesa Saturnino, María Soledad - Moreno Romero, Susana

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Las poblaciones de altura se desarrollan en ambientes determinados por la disminución de la presión de oxígeno en el aire, a la que se suman características climáticas extremas, como intensa radiación solar, bajas temperaturas con gran amplitud térmica, extremada aridez…
Fecha:	2011-04-26
Recurso:	Unversidad Nacional de La Plata

Recurso libre

40.

An argumentation framework with uncertainty management designed for dynamic environments
Capobianco, Marcela - Simari, Guillermo Ricardo

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Nowadays, data intensive applications are in constant demand and there is need of computing environments with better intelligent capabilities than those present in today's Database Management Systems (DBMS). To build such systems we need formalisms that can perform complicate inferences,…
Fecha:	2012-09-12
Recurso:	Unversidad Nacional de La Plata

Recurso libre

41.

Mineral compositions visualization implementing the spinel prism
Ganuza, María Luján - Castro, Silvia Mabel - Martig, Sergio R. - Bjerg, Ernesto - Ferracutti, Gabriela

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	An important problem in Mineralogy, is to accomplish an adequate representation of a great amount of data coming from different geological environments, in order to characterize a particular geologic region in terms of its tectonic setting. With such Databases of…
Fecha:	2012-09-13
Recurso:	Unversidad Nacional de La Plata

Recurso libre

42.

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

43.

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

44.

The mexican Frankliniella aurea Moulton, F. bisaetaevenusta sp. Nov., and F. prothoraciglabra sp. Nov. Species assemblages in the Intonsa Group (Insecta: Thysanoptera: Thripidae).
Johansen-Naime, R.M. - Mojica-Guzman, A.

Formato:	Artículo
Enlaces:	A review of the North American (Mexico and the United States of America) species Frankliniella aurea Moulton, 1948, was carry out herein. It is now recognized as a "species complex", since its adults show three color forms; new data about…
Fecha:	2013-11-20
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

45.

Diseño e implementación de un prototipo de una Estación Meteorológica remota con transmisión de datos vía SMS y publicación en la página WEB del Observatorio Astronómico de Quito
Tacuri Eras, Edwin Eduardo - Villegas Toctaguano, Diego Marcelo

Formato:	Thesis
Enlaces:	El proyecto actual expone el diseño y la implementación de un prototipo de estación meteorológica remota, para el Observatorio Astronómico de Quito (O.A.Q.), con la finalidad de obtener información meteorológica del medio ambiente. De esta manera, esta dependencia de la…
Fecha:	2011-10-12
Recurso:	Escuela Politécnica Nacional

Recurso libre

46.

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

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.

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

49.

Artificial nutritional support registries: systematic review, Los registros de soporte nutricional artificial: revisión sistemática
Castelló Botía, Isabel - Wanden-Berghe, Carmina - Sanz Valero, Javier

Formato:	info:eu-repo/semantics/article
Enlaces:	Introduction: The nutritional registries are data bases through which we obtain the information to understand the nutrition of populations. Several main nutrition societies of the world have these types of registries, outstanding the NADYA (Home artificial and Ambulatory nutrition) group…
Fecha:	2012-10-04
Recurso:	RUA Docencia

Recurso libre

50.

Missing mixed mode: elemental structures, Estructuras básicas de los valores perdidos en encuestas con modos mixtos
Alaminos Chica, Antonio

Formato:	info:eu-repo/semantics/annotation
Enlaces:	One of the main concerns is the nature of the missing values. Let’s consider extremes for simplicity. If missing at random we have not to care about. But if missing shows structures that covariate with substantive variables we have to…
Fecha:	2013-01-16
Recurso:	RUA Docencia