522 search results - page 67 / 105 » Answering Aggregation Queries in a Secure System Model |
EDBT
2006
ACM
14 years 7 months ago
2006
ACM
In authorization-transparent access control, users formulate their queries against the database schema rather than against authorization views that transform and hide data. The Tru...
PVLDB
2010
13 years 6 months ago
2010
Many DBMS products in the market provide built in encryption support to deal with the security concerns of the organizations. This solution is quite effective in preventing data ...
ICDE
1997
IEEE
14 years 9 months ago
1997
IEEE
We propose a data model and a few algebraic operations that provide semantic foundation to multidimensional databases. The distinguishing feature of the proposed model is the symm...
PAKDD
2007
ACM
14 years 1 months ago
2007
ACM
In this paper, we investigate and utilize the characteristic of the group movement of objects to achieve energy conservation in the inherently resource-constrained wireless object ...
ICNP
2000
IEEE
14 years 1 days ago
2000
IEEE
A scalable object location service can enable users to search for various objects in an environment where many small, networked devices are attached to objects. We investigate two...