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Unversidad Nacional de La Plata (34)

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Aproximadamente 34 registro(s) hasta el momento: (base de datos)

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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

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

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

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

Towards the verification of RAISE specifications through Model Checking
Perna, Juan Ignacio - George, Chris W.

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Ensuring the correctness of a given software component has become a crucial aspect in Software Engineering and the Model Checking technique provides a fully automated way to achieve this goal. In particular, the usage of Model Checking in formal languages…
Fecha:	2012-09-11
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Messaging infrastructure for Electronic Government: background, rationale, objectives
Estevez, Elsa Clara - Janowski, Thomas - Fillottrani, Pablo Rubén

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Electronic Government applications aim to deliver efficient, seamless, customer-focused services to the public using various distribution channels. One of challenges in building such applications is the requirement to rely upon preexisting, often heterogeneous government applications. In order to enable communication…
Fecha:	2012-09-11
Recurso:	Unversidad Nacional de La Plata

Recurso libre

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

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

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

10.

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

11.

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

12.

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

13.

Nineteen sixties history of data base management
Olle, T. William

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Data base management evolved during the sixties and seventies. The evolution period was protracted. Many driving forces impacted the evolution and it is the aim of this paper to analyze these driving forces (some technical and some political) and to…
Fecha:	2012-11-12
Recurso:	Unversidad Nacional de La Plata

Recurso libre

14.

Data modeling dealing with uncertainty in fuzzy logic
Urrutia Sepúlveda, Angélica - Galindo, José - Jiménez, Leoncio - Piattini Velthuis, Mario

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	This paper shows models of data description that incorporate uncertainty like models of data extension EER, IFO among others. These database modeling tools are compared with the pattern FuzzyEER proposed by us, which is an extension of the EER model…
Fecha:	2012-11-20
Recurso:	Unversidad Nacional de La Plata

Recurso libre

15.

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

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.

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

23.

Combine vector quantization and support vector machine for imbalanced datasets
Yu, Ting - Debenham, John - Jan, Tony - Simoff, Simeon

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	In cases of extremely imbalanced dataset with high dimensions, standard machine learning techniques tend to be overwhelmed by the large classes. This paper rebalances skewed datasets by compressing the majority class. This approach combines Vector Quantization and Support Vector Machine…
Fecha:	2012-11-08
Recurso:	Unversidad Nacional de La Plata

Recurso libre

24.

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

25.

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

26.

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

27.

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

28.

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

29.

Design criteria for the development of an institutional learning object repository
Godoy, Roberto - Minni, Hugo - Zarza, Gonzalo - Loyarte, Horacio

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The production of educational contents in academic environments has been traditionally developed without an integral plan which allows their adequate distribution and access. In addition, it produces effort duplication and misuse of resources. As a possible solution, this work proposes…
Fecha:	2012-10-16
Recurso:	Unversidad Nacional de La Plata

Recurso libre

30.

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

31.

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

32.

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

33.

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

34.

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