687 search results - page 36 / 138 » Query Transformation for PSJ-Queries |
FGCS
2000
13 years 8 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...
DAWAK
2005
Springer
14 years 2 months ago
2005
Springer
Extract-Transform-Load (ETL) workflows are data centric workflows responsible for transferring, cleaning, and loading data from their respective sources to the warehouse. Previous ...
ICMCS
2006
IEEE
14 years 2 months ago
2006
IEEE
A visual query is based on pictorial representation of conceptual entities and operations. One of the most important features used in visual queries is the shape. Despite its intu...
SIGIR
2005
ACM
14 years 2 months ago
2005
ACM
A query independent feature, relating perhaps to document content, linkage or usage, can be transformed into a static, per-document relevance weight for use in ranking. The challe...
VLDB
2005
ACM
14 years 9 months ago
2005
ACM
With the recent advances in wireless networks, embedded systems and GPS technology, databases that manage the location of moving objects have received increased interest. In this ...