239 search results - page 44 / 48 » Maintaining Data Freshness in Distributed Real-Time Database... |
CCS
2007
ACM
14 years 1 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 ...
NSPW
2003
ACM
14 years 24 days ago
2003
ACM
Large-scale data breaches exposing sensitive personal information are becoming commonplace. For numerous reasons, conventional personal (identification) information leaks from da...
SIGMOD
2007
ACM
14 years 7 months ago
2007
ACM
We consider in this paper a class of Publish-Subscribe (pub-sub) systems called topic-based systems, where users subscribe to topics and are notified on events that belong to thos...
ICDE
2007
IEEE
14 years 9 months ago
2007
IEEE
With the advent of XML as the de facto language for data publishing and exchange, scalable distribution of XML data to large, dynamic populations of consumers remains an important...
ICDE
2003
IEEE
14 years 9 months ago
2003
IEEE
The problem of statistics and aggregate maintenance over data streams has gained popularity in recent years especially in telecommunications network monitoring, trend-related anal...