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Aproximadamente 41 registro(s) hasta el momento: (base de datos)

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Recurso libre

Ontologies for the semantic web
Vallés, María Clara - Fillottrani, Pablo Rubén

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The Semantic Web attempts to reach a state in the future where everything on the Web will no longer be only machine-readable, but also machine-understandable. An ontology is an explicit specification of a conceptualization. A conceptualization is an abstract, simplified…
Fecha:	2012-09-07
Recurso:	Unversidad Nacional de La Plata

Recurso libre

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

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

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

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

Adaptive Ttwo-phase spatial association rules mining method
Lee, Chin-Feng - Chen, Mei-Hsiu

Formato:	Articulo, Articulo
Enlaces:	Since huge amounts of spatial data can be easily collected from various applications, ranging from remote sensing technology to geographical information system, the extraction and comprehension of spatial knowledge is a more and more important task. Many excellent studies on…
Fecha:	2008-05-20
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Digital processing of in situ hybridization images: Identification and spatial allocation of specific labels
González, Mariela A. - Rapacioli, Melina - Ballarín, Virginia Laura - Fiszer de Plazas, Sara - Flores, Vladimir

Formato:	Articulo, Articulo
Enlaces:	In situ hybridization (ISH) method allows to reveal specific genes expression, identify specific cell types and detect areas or tissues, displaying differential gene expression. This work describes a standardized procedure of digital image processing that allows detailed analyses of ISH…
Fecha:	2008-05-22
Recurso:	Unversidad Nacional de La Plata

Recurso libre

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

Simulación numérica del comportamiento elástico del concreto reforzado con fibras cortas de acero en condición plana de esfuerzos, Numerical modelling of elastic behaviour of concrete reinforced with steel short fibres in plane stress conditions
Lamus Fabian ; Universidad Nacional de Colombia - Caicedo Manuel ; Universidad Nacional de Colombia - Linero Dorian ; Universidad Nacional de Colombia

Formato:	, , ,
Enlaces:	Este trabajo describe un modelo numérico implementado en el método de los elementos finitos (Hughes, 2000), el cual permite simular el comportamiento elástico del concreto reforzado con fibras cortas de dirección aleatoria. En estructuras hechas de dicho material cada punto…
Fecha:	2011-05-01
Recurso:	Ingeniería e investigación

Recurso libre

10.

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

11.

Applying a culture dependent emotion triggers database for text valence and emotion classification, Definición de disparador de emoción asociado a la cultura y aplicación a la clasificación de la valencia y la emoción en textos
Balahur Dobrescu, Alexandra - Montoyo Guijarro, Andrés

Formato:	info:eu-repo/semantics/article
Enlaces:	Este artículo presenta un método de identificación y clasificación de la valencia y las emociones presentes en un texto. Para ello, se introduce un nuevo concepto denominado disparador de emoción. Inicialmente, se construye de forma incremental una base de datos
Fecha:	2008-04-17
Recurso:	RUA Docencia

Recurso libre

12.

Tool support for verifying applications using object-oriented patterns
Aranda, Gabriela N. - Flores, Andrés P. - Buccella, Agustina - Reynoso, Luis A.

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Applying design patterns is considered a helpful technique for designing software systems. Patterns description, however, results not sufficiently precise providing a weak understanding and making it difficult to be certain when a pattern is being used correctly. We have formally…
Fecha:	2012-10-02
Recurso:	Unversidad Nacional de La Plata

Recurso libre

13.

Methods for measurement-based COTS assessments and selection
Cechich, Alejandra - Piattini Velthuis, Mario

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	During recent years, new software engineering paradigms like component-based software engineering and COTS-based development have emerged. Both paradigms are concerned with reuse and customisation of existing components. The use of COTS software has become more and more important in state-of-the-art…
Fecha:	2012-10-02
Recurso:	Unversidad Nacional de La Plata

Recurso libre

14.

An extension to EMTPL
Cobo, María Laura - Falappa, Marcelo Alejandro

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The development of languages allowing a proper handling of time is important in many areas of computer science because the capability to deal with the notions of change and time are essential to solve their problems. In the development of…
Fecha:	2012-10-02
Recurso:	Unversidad Nacional de La Plata

Recurso libre

15.

A framework for defining and checking constraints in requirement gathering and definition
Gómez, Rodolfo - Fillottrani, Pablo Rubén

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Requirements capture user needs about a system [KG99]. They stand for those functional and nonfunctional attributes the system must posses to be considered correct. Requirements also dictate how the system should respond to user interaction. Therefore, they play a very…
Fecha:	2012-10-02
Recurso:	Unversidad Nacional de La Plata

Recurso libre

16.

Moodelling of processes and formal methods
Riesco, Daniel Eduardo - Montejano, Germán Antonio - Uzal, Roberto

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	We proposed her a technique, which can be employed within the methodology know as process reengineering. This technique was applied in a government environment, which included an Information System and Geographical Information System, developed with financial support from The World…
Fecha:	2012-10-02
Recurso:	Unversidad Nacional de La Plata

Recurso libre

17.

A data mining approach to computational taxonomy
Perichinsky, Gregorio - García Martínez, Ramón

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	This study investigates an approach of knowledge discovery and data mining in insufficient databases. An application of Computational Taxonomy analysis demonstrates that the approach is effective in such a data mining process. The approach is characterized by the use ot…
Fecha:	2012-10-10
Recurso:	Unversidad Nacional de La Plata

Recurso libre

18.

Using web-site QEM to measure the quality of sites
Olsina Santos, Luis Antonio - Lafuente, Guillermo Javier - Lafuente, Gustavo - Rossi, Gustavo

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	In this position paper, the main steps to measure and evaluate quantitatively the quality of sites are shown. Besides, some specific models, criteria and procedures to apply in these activities are discussed by quoting case studies already performed (e.g., in…
Fecha:	2012-10-10
Recurso:	Unversidad Nacional de La Plata

Recurso libre

19.

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

20.

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

21.

Integrating federated information sources through the use of ontologies
Buccella, Agustina - Cechich, Alejandra - Penabad, Miguel R. - Rodriguez, Francisco J. - Brisaboa, Nieves R.

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Ontologies serve as a mean to establish a conceptually concise basis for communicating knowledge for many purposes. Within the information integration area, ontologies are useful to solve heterogeneity problems. They provide a set of knowledge terms, including the vocabulary, the…
Fecha:	2012-09-20
Recurso:	Unversidad Nacional de La Plata

Recurso libre

22.

Formal specifications in component-based development
Estevez, Elsa Clara - Fillottrani, Pablo Rubén

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Software engineering has entered a new era, the Internet and its associated technologies require a different conceptual framework for building and understanding software solutions. Users ask to develop applications more rapidly, and software engineers need to ensamble systems from preexisting…
Fecha:	2012-10-02
Recurso:	Unversidad Nacional de La Plata

Recurso libre

23.

A systematic approach to generate test cases based on combinations of information
Sánchez, Marisa - Felder, Miguel

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Software based systems incrementally provide critical services to users. Mobile telephone systems, for example, are used in circumstances in which the malfunctioning may have disastrous consequences. During the last years, software has been incorporated in devices used in daily life,…
Fecha:	2012-10-02
Recurso:	Unversidad Nacional de La Plata

Recurso libre

24.

Project line: formally specifying the domain of balanced scorecard
Montejano, Germán Antonio - Uzal, Roberto - Riesco, Daniel Eduardo - Dasso, Aristides - Funes, Ana

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	In today’s world, in both the public or private organizations, there exists the problem that the organizations have to create value, are changing, but the tools to measure them are not. On the other hand, in the current economy, the…
Fecha:	2012-10-02
Recurso:	Unversidad Nacional de La Plata

Recurso libre

25.

Spectra in taxonomic evidence in databases III
Plastino, Ángel Luis - Orellana, Rosa Beatriz - Perichinsky, Gregorio

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. These clusters constitute families. Structural analysis, based on their phenotypic characteristics, exhibits the relationships, in terms of…
Fecha:	2012-10-02
Recurso:	Unversidad Nacional de La Plata

Recurso libre

26.

Integrated environment of systems automated engineering
Servetto, Arturo Carlos - García Martínez, Ramón - Perichinsky, Gregorio

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The Standardization of a development process for systems of medium complexity, entirely supported by an integrated development environment, could mean a double contribution to the industry of systems development. On the one hand it would contribute to the reduction of…
Fecha:	2012-10-02
Recurso:	Unversidad Nacional de La Plata

Recurso libre

27.

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

28.

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

29.

Optimized cost effective approach for selection of materialized views in data warehousing
Ashadevi, B. - Balasubramanian, R

Formato:	Articulo, Articulo
Enlaces:	A data warehouse efficiently processes a given set of queries by utilizing the multiple materialized views. Owing to the constraint on space and maintenance cost, the materialization of all views is unfeasible. One of the critical decisions involved in the…
Fecha:	2009-05-18
Recurso:	Unversidad Nacional de La Plata

Recurso libre

30.

Enhancing UniArab with FunGramKB, Cómo mejorar UniArab con FunGramKB
Periñán Pascual, Carlos - Mairal Usón, Ricardo

Formato:	info:eu-repo/semantics/article
Enlaces:	En el marco de la traducción automática árabe-inglés, el enfoque pseudointerlingüístico de UniArab ha logrado, incluso con oraciones simples, mejores resultados que los traductores automáticos basados en modelos estadísticos. El éxito de UniArab se cimienta en el modelo funcional de…
Fecha:	2010-05-03
Recurso:	RUA Docencia

Recurso libre

31.

Simple_PLUS: a network of lexical semantic relations, Simple_PLUS: una red de relaciones léxico-semánticas
Ruimy, Nilda

Formato:	info:eu-repo/semantics/article
Enlaces:	Este artículo trata de la base de datos léxico-semántica del italiano, Simple_PLUS, y particularmente de su núcleo central: la red de relaciones léxico-semánticas. Este recurso lexical tiene como base Parole-Simple-Clips, un léxico electrónico con cuatro niveles de descripción, elaborado según…
Fecha:	2010-05-03
Recurso:	RUA Docencia

Recurso libre

32.

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

33.

A web-platform for preserving, exploring, visualising, and querying linguistic corpora and other resources, Plataforma web para el mantenimiento, exploración, visulización y búsqueda en corpus lingüísticos y en otros recursos
Rehm, Georg - Schonefeld, Oliver - Witt, Andreas - Chiarcos, Christian - Lehmberg, Timm

Formato:	info:eu-repo/semantics/article
Enlaces:	Presentamos SPLICR, una plataforma de sostenibilidad para corpus y recursos lingüísticos basada en web. El sistema está destinado a personas que trabajan en el campo de la lingüística o de la lingüística computacional. Consiste en una base de…
Fecha:	2008-11-11
Recurso:	RUA Docencia

Recurso libre

34.

False paraphrase pairs in Spanish for verbs and verb+noun collocations, Falsas paráfrasis de verbos plenos y colocaciones de verbo soporte en español
Barrios Rodríguez, María Auxiliadora - Rello, Luz

Formato:	info:eu-repo/semantics/article
Enlaces:	En este trabajo hemos estudiado algunas paráfrasis contenidas en un recurso lingüístico llamado badele.3000, una base de datos que agrupa los 3.600 sustantivos más frecuentes del español, así como más de 2.800 verbos de uso habitual. Su combinación restringida da…
Fecha:	2011-04-05
Recurso:	RUA Docencia

Recurso libre

35.

Analysis of the factors affecting the severity of two-vehicle crashes, Analysis of the factors affecting the severity of two-vehicle crashes
Alejandro Angel; University of Arizona. - Mark Hickman; University of Arizona.

Formato:	,
Enlaces:	AbstractThis study performs a comprehensive analysis of the effect of different environmental, demographic and vehicle variables on the severity of two-vehicle crashes. The limitations associated with previous studies have been addressed by using a large crash database, properly defining the…
Fecha:	2011-06-30
Recurso:	Ingeniería y desarrollo

Recurso libre

36.

Analyzing the influence of national political and economical factors on the success of public-private partnerships in transport, Análisis de la influencia de la política nacional y factores económicos en el éxito de la asociación entre los sectores públi
Patricia Galilea A.; University College London - Francesca Medda; University College London.

Formato:	,
Enlaces:	AbstractSince the emergence of public-private partnerships (PPPs) in the 1980s, there has been a structural change in the way countries now finance and provide public infrastructure. Although national governments apparently encourage PPPs, and many have succeeded, some others have failed.…
Fecha:	2011-06-20
Recurso:	Ingeniería y desarrollo

Recurso libre

37.

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

38.

Developing a PQ monitoring system for assessing power quality and critical areas detection, Desarrollo de un sistema de monitoreo de calidad de potencia para la evaluación de calidad de potencia y la detección de zonas críticas
Romero Miguel ; Universidad Nacional de Colombia - Pardo Ricardo ; Universidad Nacional de Colombia - Gallego Luis ; Universidad Nacional de Colombia

Formato:	, , ,
Enlaces:	This paper outlines the development of a power quality monitoring system. The system is aimed at assessing power quality and detecting critical areas throughout at distribution system. Such system integrates a hardware system and a software processing tool developed in…
Fecha:	2011-10-31
Recurso:	Ingeniería e investigación

Recurso libre

39.

Abortion in Democratic Spain: The Parliamentary Political Agenda 1979–2004
Cambronero Saiz, Belén - Ruiz Cantero, María Teresa - Vives Cases, Carmen - Carrasco Portiño, Mercedes

Formato:	info:eu-repo/semantics/article
Enlaces:	Desde la transición de España a la democracia, el aborto ha sido asunto de políticas públicas dentro y fuera del parlamento. En este artículo se describe la historia de la reforma de la ley de aborto en España desde 1979…
Fecha:	2007-11-30
Recurso:	RUA Docencia

Recurso libre

40.

The Use of Complaints in the Inter-Language of Turkish EFL Learners, El uso de los reclamos en el Inter-lenguaje de estudiantes de Inglés como lengua extranjera en Turquía
Deveci, Tanju; Sabanci University

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion, Artículo revisado por pares, Peer-reviewes Article
Enlaces:	Many Turkish EFL learners struggle with giving complaints and criticisms in the EFL classroom. Language instructors must find way to provide students with the linguistic and pragmatic elements of EFL to be able to appropriately complain as EFL users. The…
Fecha:	2011-04-11
Recurso:	Colombian Applied Linguistics Journal

Recurso libre

41.

Análisis experimental de la generalización de respuestas aritméticas en operaciones de división, Experimental analysis of generalization of arithmetic responses in division operations
García, Vicente; Universidad Nacional Autonoma de Mexico - Eguida, Susana; Universidad Nacional Autonoma de Mexico - Gómez, Leticia; Universidad Nacional Autonoma de Mexico - Gónzalez, Ana Rosa; Universidad Nacional Autonoma de Mexico

Formato:	,
Enlaces:	Participaron en el estudio dieciseis sujetos de ocho a diez años de edad, con el objeto de analizar experimentalmente la generalización de respuesta en operaciones de división, con base en el entrenamiento (instrucción sobre un ejemplo más retroalimentación) de tareas…
Fecha:	2011-08-23
Recurso:	Revistas UNAM