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AAAI
2006
13 years 10 months ago
Compilation of Query-Rewriting Problems into Tractable Fragments of Propositional Logic
We consider the problem of rewriting a query efficiently using materialized views. In the context of information integration, this problem has received significant attention in th...
Yolifé Arvelo, Blai Bonet, Maria-Esther Vid...
NSDI
2010
13 years 10 months ago
Centrifuge: Integrated Lease Management and Partitioning for Cloud Services
: Making cloud services responsive is critical to providing a compelling user experience. Many largescale sites, including LinkedIn, Digg and Facebook, address this need by deployi...
Atul Adya, John Dunagan, Alec Wolman
DAWAK
2006
Springer
14 years 5 days ago
Extending Visual OLAP for Handling Irregular Dimensional Hierarchies
Comprehensive data analysis has become indispensable in a variety of environments. Standard OLAP (On-Line Analytical Processing) systems, designed for satisfying the reporting need...
Svetlana Mansmann, Marc H. Scholl
AUTONOMICS
2008
ACM
13 years 10 months ago
Building multicast trees in ad-hoc networks
Multicast trees are used in a variety of applications, such as publish/subscribe systems or content distribution networks. Existing algorithms for ad-hoc networks typically produc...
Raphaël Kummer, Peter G. Kropf, Pascal Felber
JMLR
2002
83views more  JMLR 2002»
13 years 8 months ago
On Online Learning of Decision Lists
A fundamental open problem in computational learning theory is whether there is an attribute efficient learning algorithm for the concept class of decision lists (Rivest, 1987; Bl...
Ziv Nevo, Ran El-Yaniv