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137
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SDMW
2005
Springer
15 years 9 months ago
An Authorization Framework for Sharing Data in Web Service Federations
In this paper we present our authorization framework that supports the dynamic set-up of Web service federations for sharing data within virtual federations. Building on previous w...
Martin Wimmer, Alfons Kemper
148
Voted
DBSEC
2008
188views Database» more  DBSEC 2008»
15 years 5 months ago
On the Formal Analysis of a Spatio-temporal Role-Based Access Control Model
With the growing use of wireless networks and mobile devices, we are moving towards an era where spatial and temporal information will be necessary for access control. The use of s...
Manachai Toahchoodee, Indrakshi Ray
121
Voted
NCA
2006
IEEE
15 years 9 months ago
A Distributed Architecture for Gracefully Degradable Web-Based Services
Modern Web sites provide multiple services that are often deployed through distributed architectures. The importance and the economic impact of Web-based services introduces signi...
Mauro Andreolini, Sara Casolari, Michele Colajanni
PIMRC
2008
IEEE
15 years 10 months ago
Multi-hop discovery of Candidate Access Routers (MHD-CAR) for fast moving mobile nodes
—Seamless IP mobility protocols like Fast Mobile IPv6 (FMIPv6) requires the knowledge of candidate access routers, to which the mobile node will hand over its connection to, well...
Faqir Zarrar Yousaf, Christian Muller, Christian W...
134
Voted
JCM
2007
162views more  JCM 2007»
15 years 3 months ago
Opportunistic Spectrum Access in Fading Channels Through Collaborative Sensing
— Spectrum scarcity is becoming a major issue for service providers interested in either deploying new services or enhancing the capacity for existing applications. On the other ...
Amir Ghasemi, Elvino S. Sousa