643 search results - page 18 / 129 » Dynamic prioritization of database queries |
ADC
2006
Springer
14 years 1 months ago
2006
Springer
With the increasing popularity of XML, there arises the need for managing and querying information in this form. Several query languages, such as XQuery, have been proposed which ...
ICDE
2000
IEEE
14 years 8 months ago
2000
IEEE
Execution plans produced by traditional query optimizers for data integration queries may yield poor performance for several reasons. The cost estimates may be inaccurate, the mem...
BNCOD
1997
13 years 8 months ago
1997
Abstract. In this paper we present two improvements to the partitioning process: 1) A new dynamic bu er management strategy is employed to increase the average block size of I/O-tr...
SIGMOD
2007
ACM
14 years 7 months ago
2007
ACM
Numerous widely publicized cases of theft and misuse of private information underscore the need for audit technology to identify the sources of unauthorized disclosure. We present...
SIGIR
2009
ACM
14 years 1 months ago
2009
ACM
We study the recurrence dynamics of queries in Web search by analysing a large real-world query log dataset. We find that query frequency is more useful in predicting collective ...