120 search results - page 12 / 24 » Efficient and Effective Query Answering in a PDMS with SUNRI... |
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
The prevalent use of XML highlights the need for a generic, flexible access-control mechanism for XML documents that supports efficient and secure query access, without revealing ...
SIGMOD
2008
ACM
14 years 7 months ago
2008
ACM
Uncertain data is inherent in a few important applications such as environmental surveillance and mobile object tracking. Top-k queries (also known as ranking queries) are often n...
ICC
2007
IEEE
14 years 1 months ago
2007
IEEE
— In contrast to the traditional wireless sensor network (WSN) applications that perform only data collection and aggregation, new generation of information processing applicatio...
ICDE
2008
IEEE
14 years 8 months ago
2008
IEEE
Content-based retrieval of spatio-temporal patterns from human motion databases is inherently nontrivial since finding effective distance measures for such data is difficult. These...
IPPS
2006
IEEE
14 years 1 months ago
2006
IEEE
P2P Networks are highly dynamic structures since their nodes – peer users keep joining and leaving continuously. In the paper, we study the effects of network change rates on qu...