889 search results - page 125 / 178 » A Method for Secure Query Processing in Mobile Databases |
KDD
2008
ACM
15 years 10 months ago
2008
ACM
We analyze a massive social network, gathered from the records of a large mobile phone operator, with more than a million users and tens of millions of calls. We examine the distr...
CCS
2007
ACM
15 years 4 months ago
2007
ACM
In this paper, we study the maintenance of role-based access control (RBAC) models in database environments using transitive closure relations. In particular, the algorithms that ...
CIKM
2009
Springer
15 years 1 months ago
2009
Springer
While provenance has been extensively studied in the literature, the efficient evaluation of provenance queries remains an open problem. Traditional query optimization techniques...
BMCBI
2007
14 years 10 months ago
2007
Background: The incorporation of prior biological knowledge in the analysis of microarray data has become important in the reconstruction of transcription regulatory networks in a...
SIGIR
2009
ACM
15 years 4 months ago
2009
ACM
When search is against structured documents, it is beneficial to extract information from user queries in a format that is consistent with the backend data structure. As one step...