181 search results - page 11 / 37 » Distributed Query Optimization in the Stack-Based Approach |
ICDE
1994
IEEE
13 years 11 months ago
1994
IEEE
We describe the design of Mariposa, an experimental distributed data management system that provides high performance in an environment of high data mobility and heterogeneous hos...
CIKM
2004
Springer
13 years 11 months ago
2004
Springer
With the growing importance of semi-structure data in information exchange, much research has been done to provide an effective mechanism to match a twig query in an XML database....
SIGIR
2011
ACM
12 years 10 months ago
2011
ACM
Large search engines process thousands of queries per second over billions of documents, making query processing a major performance bottleneck. An important class of optimization...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
Cardinality estimation during query optimization relies on simplifying assumptions that usually do not hold in practice. To diminish the impact of inaccurate estimates during opti...
ISCI
2007
13 years 7 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...