123 search results - page 15 / 25 » Structural Join Order Selection for XML Query Optimization |
CIKM
2009
Springer
14 years 2 months ago
2009
Springer
Structural indices play a significant role in improving the efficiency of XML query evaluation. Being able to compare various structural indexing techniques is critical for a DBM...
ICDE
2003
IEEE
14 years 9 months ago
2003
IEEE
We present a query architecture in which join operators are decomposed into their constituent data structures (State Modules, or SteMs), and dataflow among these SteMs is managed ...
FGCS
2000
13 years 7 months ago
2000
This paper focuses on parallel query optimization. We consider the operator problem and introduce a new class of execution strategies called Linear-Oriented Bushy Trees (LBTs). Co...
ICDE
2006
IEEE
14 years 9 months ago
2006
IEEE
As XQuery nears standardization, more sophisticated XQuery applications are emerging, which often exploit the entire language and are applied to non-trivial XML sources. We propos...
SIGMOD
2003
ACM
14 years 7 months ago
2003
ACM
The W3C XQuery language recommendation, based on a hierarchical and ordered document model, supports a wide variety of constructs and use cases. There is a diversity of approaches...