546 search results - page 94 / 110 » ADS as Information Management Service in an M-Learning Envir... |
COMAD
2008
13 years 10 months ago
2008
Role-based access control (RBAC) has attracted considerable research interest. However, the computational issues of RBAC models are yet to be thoroughly studied. In this paper, we...
MM
2010
ACM
13 years 9 months ago
2010
ACM
In this technical demonstration we show an integrated web system for video search and annotation based on ontologies. The system is composed by three components: the Orione1 ontol...
WINET
2010
13 years 7 months ago
2010
Wireless sensor networks comprise typically dense deployments of large networks of small wireless capable sensor devices. In such networks, multicast is a fundamental routing servi...
SACMAT
2005
ACM
14 years 2 months ago
2005
ACM
Electronic transactions regularly occur between business partners in separate security domains. Trust negotiation is an approach that provides an open authentication and access-co...
WECWIS
2003
IEEE
14 years 2 months ago
2003
IEEE
The great amount of information that a user handles in their typical transactions on the Internet –identifiers, addresses, credit card numbers, among others-, makes it necessary...