Efficient Security Policy Enforcement in a Location Based Service Environment.

Vijayalakshmi Atluri Heechang Shin Efficient Security Policy Enforcement in a Location Based Service Environment. 61-76 2007 conf/dbsec/2007 DBSec http://dx.doi.org/10.1007/978-3-540-73538-0_5 db/conf/dbsec/dbsec2007.html#AtluriS07