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PODS
2007
ACM
171views Database» more  PODS 2007»
16 years 22 hour ago
Monadic datalog over finite structures with bounded treewidth
Bounded treewidth and Monadic Second Order (MSO) logic have proved to be key concepts in establishing fixed-parameter tractability results. Indeed, by Courcelle's Theorem we ...
Georg Gottlob, Reinhard Pichler, Fang Wei
MOBIHOC
2003
ACM
15 years 11 months ago
Energy-efficient caching strategies in ad hoc wireless networks
In this paper, we address the problem of energy-conscious cache placement in wireless ad hoc networks. We consider a network comprising a server with an interface to the wired net...
Pavan Nuggehalli, Vikram Srinivasan, Carla-Fabiana...
EUROSYS
2006
ACM
15 years 9 months ago
On the road to recovery: restoring data after disasters
—Restoring data operations after a disaster is a daunting task: how should recovery be performed to minimize data loss and application downtime? Administrators are under consider...
Kimberly Keeton, Dirk Beyer 0002, Ernesto Brau, Ar...
SIGMOD
2009
ACM
172views Database» more  SIGMOD 2009»
15 years 6 months ago
Self-organizing tuple reconstruction in column-stores
Column-stores gained popularity as a promising physical design alternative. Each attribute of a relation is physically stored as a separate column allowing queries to load only th...
Stratos Idreos, Martin L. Kersten, Stefan Manegold
INFOCOM
2009
IEEE
15 years 6 months ago
Duty-Cycle-Aware Broadcast in Wireless Sensor Networks
—Broadcast is one of the most fundamental services in wireless sensor networks (WSNs). It facilitates sensor nodes to propagate messages across the whole network, serving a wide ...
Feng Wang, Jiangchuan Liu