Public Key technology is about multiple parties across different domains making assertions that can be chained together to make trust judgments. Today, the need for more interoper...
As information becomes available in increasing amounts to a wide spectrum of users, the need for a shift towards a more user-centered information access paradigm arises. We develo...
Spatio-temporal databases store information about the positions of individual objects over time. In many applications however, such as traffic supervision or mobile communication ...
Dimitris Papadias, Yufei Tao, Panos Kalnis, Jun Zh...
The management of policies in large-scale systems is complex because of the potentially large number of policies and administrators, as well as the diverse types of information th...
Nicodemos Damianou, Naranker Dulay, Emil Lupu, Mor...
Tree based indexing structures like -trees, ·-trees, Bitmap indexes and Ê-trees have become essential for getting good performance when accessing vast datasets. However, most dat...
Yannis Kotidis, Yannis Sismanis, Nick Roussopoulos