145 search results - page 15 / 29 » vldb 2004 |
102
click to vote
VLDB
2004
ACM
15 years 3 months ago
2004
ACM
Cost-based XML query optimization calls for accurate estimation of the selectivity of path expressions. Some other interactive and internet applications can also benefit from suc...
VLDB
2004
ACM
15 years 3 months ago
2004
ACM
It is well established that bitmap indices are efficient for read-only attributes with low attribute cardinalities. For an attribute with a high cardinality, the size of the bitma...
165
click to vote
VLDB
2004
ACM
15 years 10 months ago
2004
ACM
Ranking queries produce results that are ordered on some computed score. Typically, these queries involve joins, where users are usually interested only in the top-k join results....
83
Voted
VLDB
2004
ACM
15 years 3 months ago
2004
ACM
This paper studies Data Stream Management Systems that combine real-time data streams with historical data, and hence access incoming streams and archived data simultaneously. A s...
VLDB
2004
ACM
15 years 3 months ago
2004
ACM
Adaptive query processing schemes attempt to reoptimize query plans during the course of query execution. A variety of techniques for adaptive query processing have been proposed,...