Abstract The Internet provides a ubiquitous, standards-based substrate for global communications of all kinds. Rapid advances are now being made in agreeing protocols and machine-p...
Data grids, large scale web applications generating dynamic content and database service providing pose significant scalability challenges to database engines. Replication is the ...
We study the specification of access control policy in large-scale distributed systems. Our work on real-world policies has shown that standard policy idioms such as role hierarc...
Adaptive query processing schemes attempt to reoptimize query plans during the course of query execution. A variety of techniques for adaptive query processing have been proposed,...
Focused web crawlers have recently emerged as an alternative to the well-established web search engines. While the well-known focused crawlers retrieve relevant webpages, there ar...
Martin Ester, Hans-Peter Kriegel, Matthias Schuber...