87 search results - page 4 / 18 » Preprocessing for controlled query evaluation with availabil... |
ICDE
2007
IEEE
14 years 10 months ago
2007
IEEE
In location-based services, it is common for a user to issue a query based on his/her current position. One such example is "find the available cabs within two miles of my cu...
COMPSAC
2010
IEEE
13 years 6 months ago
2010
IEEE
The advent of emerging technologies such as Web services, service-oriented architecture, and cloud computing has enabled us to perform business services more efficiently and effect...
DBSEC
2009
13 years 9 months ago
2009
Reflective Database Access Control (RDBAC) is a model in which a database privilege is expressed as a database query itself, rather than as a static privilege in an access control ...
DASFAA
2007
IEEE
14 years 2 months ago
2007
IEEE
To support secure exchanging and sharing of XML data over the Internet, a myriad of XML access control mechanisms have been proposed. In the setting of node-level fine-grained acc...
SIS
2007
13 years 10 months ago
2007
Access control models for XML data can be classified in two major categories: node filtering and query rewriting systems. The first category includes approaches that use access ...