Data infrastructures and responsibilities of public authorities in Germany are still very heterogeneous. eGovernment initiatives to enhance technical and semantical interoperability between different data and information providers exist in some fields though, on the whole, public and private information systems for ...

The software InGrid was developed for creation and operation of the German Environmental Portal, PortalU. Meanwhile it is not only be used to operate this central German portal but also in many German states, in the municipal sector, as research portal or in European projects. The software includes an integrated metadata ...

Granting access to governmental data has become a matter of public interest since long. There are national and international regulations like the German environmental information act (UIG) or the European infrastructure for spatial information (INSPIRE). Both encourage governmental institutions to make information available ...

The German environmental information portal PortalU 2 is an access point to a large number of information sources, all from public authorities. The user is offered a single point of entry for queries on a large variety of data with environmental relevance. In this respect, one of the most important tasks in the maintenance ...