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» Parallelizing query optimization

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INFOSCALE
2007
ACM

165views Information Technology» more INFOSCALE 2007»

Mining query logs to optimize index partitioning in parallel web search engines

13 years 7 months ago

Download malvasia.isti.cnr.it

Large-scale Parallel Web Search Engines (WSEs) needs to adopt a strategy for partitioning the inverted index among a set of parallel server nodes. In this paper we are interested ...

Claudio Lucchese, Salvatore Orlando, Raffaele Pere...

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VLDB
1997
ACM

140views Database» more VLDB 1997»

Parallel Query Scheduling and Optimization with Time- and Space-Shared Resources

13 years 9 months ago

Download www.softnet.tuc.gr

Scheduling query execution plans is a particularly complex problem in hierarchical parallel systems, where each site consists of a collection of local time-shared (e.g., CPU(s) or...

Minos N. Garofalakis, Yannis E. Ioannidis

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HPCC
2005
Springer

161views Distributed And Parallel Com...» more HPCC 2005»

Distributed Query Optimization in the Stack-Based Approach

13 years 11 months ago

Download www.si.pjwstk.edu.pl

Abstract. We consider query execution strategies for object-oriented distributed databases. There are several scenarios of query decomposition, assuming that the corresponding quer...

Hanna Kozankiewicz, Krzysztof Stencel, Kazimierz S...

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PODS
2000
ACM

101views Database» more PODS 2000»

(Almost) Optimal Parallel Block Access for Range Queries

13 years 9 months ago