Ontologies are used within the context of Spatial Data Infrastructures to denote a formally
represented knowledge that is used to improve data sharing and information retrieval. Given …

Information infrastructures are integrated solutions based on the fusion of information and
communication technologies. They are characterized by the large amount of data that must …

The success of the European single market and advancements in digital technologies have
increased the focus on cross-border digital public services. To date, most academic …

Environment-related authorisations are a relevant issue for environmental management.
They require a considerable effort by the authorities, and this might result in substantial …

Agreement on the syntax and formats of spatial data and developing systems to handle
these is the first step towards the spatial information infrastructure (SII). Although a set of …

Abstract Knowledge organization systems denotes formally represented knowledge that is
used within the context of digital libraries to improve data sharing and information retrieval …

The general concern about environmental issues has involved the creation of national and
international policies that require, at a technical level, the analysis, merging and processing …

The Sixth European Environment Action Programme emphasizes the need to base
environmental policy on sound knowledge and participation, principles that will infl uence …

ABSTRACT Spatial Data Infrastructures (SDIs) have been developing in some countries for
over 10 years but still suffer from having a relatively small installed base. Most SDIs will soon …

Metadata are a key element for the development of information infrastructures because they
facilitate the semantic description of contents and services. However, the diversity and …