eXtensible Access Control Markup Language (XACML), an OASIS standard, is the most
widely used policy specifica-tion language for access control. Its simplicity in syntax and …

This lecture introduces systematically into the problem of managing large data collections in
peer-to-peer systems. Search over large datasets has always been a key problem in peer-to …

The project summarized in this article aims at develo** techniques to support access
control in Real-Time Distributed Collaborative Editors (RCE). The ever-increasing role of …

To effectively participate in modern collaborations, member organizations should be able to
share digital resources with various partners, while ensuring their digital resources are …

We introduce a fine grained access control mechanism for Peer-to-Peer collaborations. It is
based on the local access control components of the participants. The peers export their …

P2P data management systems provide a scalable alternative to centralized architectures.
Their adoption, however, is limited by the lack of possibility to control the access to the …

With the ever-expanding digital communications and the need for advanced interoperability
and collaboration, organizations and entities need to share their digital assets. Cloud …

The importance of collaborative systems in real-world applications has grown significantly
over the recent years. The majority of new applications are designed in a distributed fashion …

Distributed Hash Tables (DHT) are a common architecture for decentralized data
management. However, currently existing DHTs allow every participant to access any index …

The importance of collaborative systems in real-world applications has grown significantly
over the recent years. The majority of new applications are designed in a distributed fashion …