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» Applying Multiple Query Optimization in Mobile Databases
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211
Voted
ICDE
1999
IEEE
134views Database» more  ICDE 1999»
16 years 3 months ago
On Similarity-Based Queries for Time Series Data
We study similarity queries for time series data where similarity is defined in terms of a set of linear transformations on the Fourier series representation of a sequence. We hav...
Davood Rafiei
ICDE
1998
IEEE
153views Database» more  ICDE 1998»
16 years 3 months ago
Flattening an Object Algebra to Provide Performance
Algebraic transformation and optimization techniques have been the method of choice in relational query execution, but applying them in OODBMS is difficult due to the complexity o...
Peter A. Boncz, Annita N. Wilschut, Martin L. Kers...
140
Voted
ICDE
2012
IEEE
196views Database» more  ICDE 2012»
13 years 5 months ago
Scalable Multi-query Optimization for SPARQL
Abstract—This paper revisits the classical problem of multiquery optimization in the context of RDF/SPARQL. We show that the techniques developed for relational and semi-structur...
Wangchao Le, Anastasios Kementsietsidis, Songyun D...
EDBT
2008
ACM
137views Database» more  EDBT 2008»
16 years 2 months ago
Optimizing away joins on data streams
Abstract. Monitoring aggregates on IP traffic data streams is a compelling application for data stream management systems. Often, such streaming aggregation queries involve joining...
Lukasz Golab, Theodore Johnson, Nick Koudas, Dives...
VLDB
2001
ACM
190views Database» more  VLDB 2001»
15 years 7 months ago
LEO - DB2's LEarning Optimizer
Most modern DBMS optimizers rely upon a cost model to choose the best query execution plan (QEP) for any given query. Cost estimates are heavily dependent upon the optimizer’s e...
Michael Stillger, Guy M. Lohman, Volker Markl, Mok...