813 search results - page 64 / 163 » Efficient Processing of Updates in Dynamic XML Data |
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...
EUC
2007
Springer
14 years 3 months ago
2007
Springer
Cooperative caching is an important technique to support efficient data dissemination and sharing in Mobile Ad hoc Networks (MANETs). In order to ensure valid data access, the cach...
KIVS
2009
Springer
14 years 3 months ago
2009
Springer
We present an integrated approach for supporting in-network sensor data processing in dynamic and heterogeneous sensor networks. The concept relies on data stream processing techni...
COMAD
2008
13 years 10 months ago
2008
Answering aggregate queries like sum, count, min, max over regions containing moving objects is often needed for virtual world applications, real-time monitoring systems, etc. Sin...
ICDE
2007
IEEE
14 years 10 months ago
2007
IEEE
Skyline query has been gaining much interest in database research communities in recent years. Most existing studies focus mainly on centralized systems, and resolving the problem...