907 search results - page 75 / 182 » Efficient Optimization of Iterative Queries |
SIGMOD
2003
ACM
14 years 9 months ago
2003
ACM
In this paper, we study whether the need for efficient XML publishing brings any new requirements for relational query engines, or if sorting query results in the relational engin...
EDBT
2008
ACM
14 years 9 months ago
2008
ACM
Many systems such as Tukwila and YFilter combine automaton and algebra techniques to process queries over tokenized XML streams. Typically in this architecture, an automaton is fi...
PAMI
2008
13 years 9 months ago
2008
In this work, we propose the use of a modified version of the correlation coefficient as a performance criterion for the image alignment problem. The proposed modification has the ...
SIGMOD
2004
ACM
14 years 9 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...
ICDE
2005
IEEE
14 years 10 months ago
2005
IEEE
The SQL queries produced in XML-to-SQL query translation are often unnecessarily complex, even for simple input XML queries. In this paper we argue that relational systems can do ...