78 search results - page 2 / 16 » Progressive Query Optimization for Federated Queries |
DELOS
2000
13 years 6 months ago
2000
: We explore the complex problem of providing searching services across interoperable heterogeneous federated digital library systems with rich structure and content. We discuss sy...
DGO
2000
13 years 6 months ago
2000
This paper describes progress toward improving user interfaces for US Federal government statistics that are presented in tables. Based on studies of user behaviors and needs rela...
BTW
2005
Springer
13 years 10 months ago
2005
Springer
: 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...
VLDB
2004
ACM
13 years 10 months ago
2004
ACM
Progressive Optimization (POP) is a technique to make query plans robust, and minimize need for DBA intervention, by repeatedly re-optimizing a query during runtime if the cardina...
ESWS
2011
Springer
12 years 8 months ago
2011
Springer
Driven by the success of the Linked Open Data initiative today’s Semantic Web is best characterized as a Web of interlinked datasets. Hand in hand with this structure new challen...