Attributes define, classify, or annotate the datum to which they are assigned. However, traditional attribute architectures and cryptosystems are ill-equipped to provide security ...
Matthew Pirretti, Patrick Traynor, Patrick McDanie...
Traditionally, creation and revocation of certificates are performed manually, by trusted agents, under conditions that are rarely formalized. This approach to certificate managem...
User delegation is a mechanism for assigning access rights available to a user to another user. A delegation operation can either be a grant or transfer operation. Delegation for r...
In a service-oriented architecture, service compositions are assembled from other component services. Such compositions may include services from unknown and potentially untrusted...
Christian Schneider, Frederic Stumpf, Claudia Ecke...
Online social networks often involve very large numbers of users who share very large volumes of content. This content is increasingly being tagged with geo-spatial and temporal c...
Dario Freni, Carmen Ruiz Vicente, Sergio Mascetti,...