221 search results - page 29 / 45 » Mastro at Work: Experiences on Ontology-Based Data Access |
WIESS
2000
13 years 9 months ago
2000
Our research is motivated by the scaleability, availability, and extensibility challenges in deploying open systems based, enterprise operational applications. We present Delta�...
SACMAT
2010
ACM
13 years 6 months ago
2010
ACM
Role mining from the existing permissions has been widely applied to aid the process of migrating to an RBAC system. While all permissions are treated evenly in previous approache...
VR
2010
IEEE
13 years 6 months ago
2010
IEEE
A collaborative virtual environment (CVE) allows remote users to access and modify shared data through networks, such as the Internet. However, when the users are connected via th...
SIGMOD
2009
ACM
14 years 7 months ago
2009
ACM
Column-oriented database systems [19, 23] perform better than traditional row-oriented database systems on analytical workloads such as those found in decision support and busines...
ICMCS
2007
IEEE
14 years 1 months ago
2007
IEEE
Today’s medical institutions produce enormous amounts of data on patients, including multimedia data, which is increasingly produced in digital form. These data in their clinica...