SDIs offer access to a wealth of distributed data sources through standardised service interfaces. Recently, also geoprocessing capabilities are offered as services in SDIs. Combin...
Michael Lutz, Roberto Lucchi, Anders Friis-Christe...
Trust negotiation is an approach to establishing trust between strangers through the bilateral, iterative disclosure of digital credentials. Under automated trust negotiation, acc...
DIGMAP is a project focused on historical digitized maps that will develop a set of Internet services based on reusable open-source software solutions. The main service will provi...
In many systems, items of information have owners associated with them. An owner of an item of information may want the system to enforce a policy that restricts use of that infor...
Grid applications need efficient access to information about available resources and services. Typically, this access is provided by information services that are often organized ...