136 search results - page 11 / 28 » Optimization and Dataflow Algorithms for Nested Tree Queries |
COCOON
2005
Springer
15 years 3 months ago
2005
Springer
Westudyjobschedulingonprocessorscapableofrunningatvariablevoltage/speed tominimizeenergyconsumption.Eachjob ina probleminstanceisspecifiedbyitsarrivaltime and deadline, together w...
SIGMOD
2010
ACM
15 years 2 months ago
2010
ACM
Current relational databases require that a database schema exist prior to data entry and require manual optimization for best performance. We describe the query optimization tech...
FUIN
2006
14 years 9 months ago
2006
In this paper we deal with the problem of finding an optimal query execution plan in database systems. We improve the analysis of a polynomial-time approximation algorithm due to M...
VLDB
1994
ACM
15 years 1 months ago
1994
ACM
We address the problem of finding parallel plans for SQL queries using the two-phase approach of join ordering followed by parallelization. We focus on the parallelization phase a...
IPSN
2009
Springer
15 years 4 months ago
2009
Springer
In this work we present new in-network techniques for communication efficient approximate query processing in wireless sensornets. We use a model-based approach that constructs a...