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INFOCOM
2002
IEEE
14 years 12 days ago
Guaranteed Scheduling for Switches with Configuration Overhead
—In this paper, we present three algorithms that provide performance guarantees for scheduling switches, such as optical switches, with configuration overhead. Each algorithm emu...
Brian Towles, William J. Dally
STOC
2010
ACM
295views Algorithms» more  STOC 2010»
14 years 10 days ago
Approximation Schemes for Steiner Forest on Planar Graphs and Graphs of Bounded Treewidth
We give the first polynomial-time approximation scheme (PTAS) for the Steiner forest problem on planar graphs and, more generally, on graphs of bounded genus. As a first step, w...
MohammadHossein Bateni, MohammadTaghi Hajiaghayi a...
SIGMOD
2010
ACM
323views Database» more  SIGMOD 2010»
14 years 9 days ago
Boosting spatial pruning: on optimal pruning of MBRs
Fast query processing of complex objects, e.g. spatial or uncertain objects, depends on efficient spatial pruning of the objects’ approximations, which are typically minimum bou...
Tobias Emrich, Hans-Peter Kriegel, Peer Kröge...
ICWE
2010
Springer
14 years 8 days ago
AWAIT: Efficient Overload Management for Busy Multi-tier Web Services under Bursty Workloads
:  AWAIT: Efficient Overload Management for Busy Multi-tier Web Services under Bursty Workloads Lei Lu, Ludmila Cherkasova, Vittoria de Nitto Persone, Ningfang Mi, Evgenia Smirn...
Lei Lu, Ludmila Cherkasova, Vittoria de Nitto Pers...
COSIT
2001
Springer
142views GIS» more  COSIT 2001»
13 years 12 months ago
The Utility of Global Representations in a Cognitive Map
In this paper we propose the use of small global memory for a viewer’s immediate surroundings to assist in recognising places that have been visited previously. We call this glob...
Margaret E. Jefferies, Wai K. Yeap