43 search results - page 5 / 9 » Inverse Roles Make Conjunctive Queries Hard |
ICDT
2012
ACM
12 years 6 days ago
2012
ACM
A universal model of a database D and a set Σ of integrity constraints is a database that extends D, satisfies Σ, and is most general in the sense that it contains sound and co...
PAM
2012
Springer
12 years 5 months ago
2012
Springer
Network administrators are faced with the increasingly challenging task of monitoring their network’s health in real time, drawing upon diverse and voluminous measurement data fe...
CIKM
2001
Springer
14 years 2 months ago
2001
Springer
If XML is to play the critical role of the lingua franca for Internet data interchange that many predict, it is necessary to start designing and adopting benchmarks allowing the c...
SIGIR
2011
ACM
13 years 18 days ago
2011
ACM
As the Internet grows explosively, search engines play a more and more important role for users in effectively accessing online information. Recently, it has been recognized that ...
EDBT
2011
ACM
13 years 1 months ago
2011
ACM
The popularity of batch-oriented cluster architectures like Hadoop is on the rise. These batch-based systems successfully achieve high degrees of scalability by carefully allocati...