Constructing geographic digital libraries using a hypermedia framework

This paper presents an object oriented hypermedia database framework for designing and building digital libraries, which are treated as enhanced hypermedia applications. It is based on combining and extending results from two domains: the navigation characteristics of hypertext systems, and the view mechanism and the persistent storage management facility of an object oriented database management system. As a result, users can alternate between two integrated types of interaction modes. The hypertext dimension of the framework allows navigation via static and dynamic hyperlinks; the object oriented database support enables querying by content and metadata management. The framework includes still a digital library design methodology that guides the implementation of digital libraries over the OODBMS. This proposal integrates hypermedia and DL concepts to a database environment, being instantiated on the realm of geographic data.8334135

Metadatos y recuperación de información: estándares, problemas y aplicabilidad en bibliotecas digitales

Programa de Doctorado en DocumentaciónPresidente: Mercedes Caridad Sebastián. - Secretario: Antonio Hernández Pérez. - Vocales: José Carlos Rovira Soler, Eulalia Fuentes i Pujol, José Antonio Gómez Hernánde

A Framework For Designing And Implementing The User Interface Of A Geographic Digital Library

Geographic data are useful for a large set of applications, such as urban planning and environmental control. These data are, however, very expensive to acquire and maintain. Moreover, their use is often restricted due to a lack of dissemination mechanisms. Digital libraries are a good approach for increasing data availability and therefore reducing costs, since they provide efficient storage and access to large volumes of data. One major drawback to this approach is that it creates the necessity of providing facilities for a large and heteerogeneous community of users to search and interact with these geographic libraries. We present a solution to this problem, based on a framework that allows the design and construction of customizable user interfaces for applications based on Geographic Digital Libraries (GDL). 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