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    BTW
    2005
    Springer
    113views Database» more  BTW 2005»
    A Learning Optimizer for a Federated Database Management System
    15 years 24 days ago
    A Learning Optimizer for a Federated Database Management System
    Download  subs.emis.de
    : Optimizers in modern DBMSs utilize a cost model to choose an efficient query execution plan (QEP) among all possible ones for a given query. The accuracy of the cost estimates de...
    Stephan Ewen, Michael Ortega-Binderberger, Volker ...
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    EDBT
    2006
    ACM
    127views Database» more  EDBT 2006»
    Progressive Query Optimization for Federated Queries
    15 years 7 months ago
    Progressive Query Optimization for Federated Queries
    Download  www.vldb.org
    Federated queries are regular relational queries accessing data on one or more remote relational or non-relational data sources, possibly combining them with tables stored in the ...
    Stephan Ewen, Holger Kache, Volker Markl, Vijaysha...
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