78 search results - page 5 / 16 » Progressive Query Optimization for Federated Queries |
ER
2004
Springer
15 years 3 months ago
2004
Springer
Searching for similar objects (in terms of near and nearest neighbors) of a given query object from a large set is an essential task in many applications. Recent years have seen g...
VLDB
1999
ACM
15 years 1 months ago
1999
ACM
An important issue for federated systems of diverse data sources is optimizing cross-source queries, without building knowledge of individual sources into the optimizer. This pape...
SIGMOD
2002
ACM
14 years 9 months ago
2002
ACM
A variety of developments combine to highlight the need for respecting order when manipulating relations. For example, new functionality is being added to SQL to support OLAP-styl...
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SIGMOD
2007
ACM
15 years 9 months ago
2007
ACM
Commercial enterprise data warehouses are typically implemented on parallel databases due to the inherent scalability and performance limitation of a serial architecture. Queries ...
ISCI
2007
14 years 9 months ago
2007
Declustering techniques reduce query response time through parallel I/O by distributing data among multiple devices. Except for a few cases it is not possible to find declusterin...