101 search results - page 19 / 21 » vldb 2002 |
VLDB
2004
ACM
14 years 6 months ago
2004
ACM
Abstract This paper describes the design, implementation, and performance characteristics of a commercial XQuery processing engine, the BEA streaming XQuery processor. This XQuery ...
VLDB
2002
ACM
13 years 6 months ago
2002
ACM
Accurate prediction of operator execution time is a prerequisite for database query optimization. Although extensively studied for conventional disk-based DBMSs, cost modeling in ...
VLDB
2002
ACM
13 years 6 months ago
2002
ACM
Abstract. The proliferation of mobile and pervasive computing devices has brought energy constraints into the limelight. Energy-conscious design is important at all levels of syste...
VLDB
2008
ACM
14 years 6 months ago
2008
ACM
Histograms are used to summarize the contents of relations into a number of buckets for the estimation of query result sizes. Several techniques (e.g., MaxDiff and V-Optimal) have ...
VLDB
2002
ACM
13 years 6 months ago
2002
ACM
Complex database queries require the use of memory-intensive operators like sort and hashjoin. Those operators need memory, also referred to as SQL memory, to process their input ...