Existing technologies for file sharing differ widely in the granularity of control they give users over who can access their data; achieving finer-grained control generally requ...
An action research project in the state administration of Schleswig-Holstein (Germany) seeks to answer the following questions: How can we organize and present edocuments so that ...
The Netherlands had parliamentary elections on November 22, 2006. We built a system which helped voters to make an informed choice among the many participating parties. One of the...
Valentin Jijkoun, Maarten Marx, Maarten de Rijke, ...
We consider a problem which was stated in a request for comments made by NIST in the FIPS97 document. The question is the following: Can we have a digital signature public key infr...
With the rise of cloud computing, it is increasingly attractive for end-users (organizations and individuals) to outsource the management of their data to a small number of larges...
Daniel Fabbri, Arnab Nandi, Kristen LeFevre, H. V....