Sciweavers

1517 search results - page 29 / 304
» Time and Location Based Services with Access Control
Sort
View
IFIP
2004
Springer
14 years 2 months ago
Service Location and Multiparty Peering for Mobile Ad Hoc Communication
Abstract. Flexible personal communications may require dynamically discovering, using, and combining a number of services to support the activities of a mobile user. However, many ...
Dirk Kutscher, Jörg Ott
COR
2007
108views more  COR 2007»
13 years 8 months ago
A hub location problem with fully interconnected backbone and access networks
This paper considers the design of two-layered fully interconnected networks.A two-layered network consists of clusters of nodes, each defining an access network and a backbone n...
Tommy Thomadsen, Jesper Larsen
MDM
2004
Springer
138views Communications» more  MDM 2004»
14 years 2 months ago
Optimizing Data Placement over Wireless Broadcast Channel for Multi-Dimensional Range Query Processing
Data broadcasting is well known for its excellent scalability. Multi-dimensional range queries, such as spatial range queries of geographical information for location dependent se...
Jianting Zhang, Le Gruenwald
ISSTA
2006
ACM
14 years 2 months ago
Role-Based access control consistency validation
Modern enterprise systems support Role-Based Access Control (RBAC). Although RBAC allows restricting access to privileged operations, a deployer may actually intend to restrict ac...
Paolina Centonze, Gleb Naumovich, Stephen J. Fink,...
GIS
2008
ACM
13 years 9 months ago
Towards a scalable model for location privacy
With the growth of wireless and mobile technologies, we are witnessing an increase in location-based services (LBS). Although LBS provide enhanced functionalities, they open up ne...
Nayot Poolsappasit, Indrakshi Ray