664 search results - page 13 / 133 » Adaptive Selectivity Estimation Using Query Feedback |
SSD
2005
Springer
14 years 25 days ago
2005
Springer
Abstract. Query optimization is an important functionality of modern database systems and often based on estimating the selectivity of queries before actually executing them. Well-...
VLDB
2005
ACM
14 years 7 months ago
2005
ACM
Estimating the selectivity of multidimensional range queries over real valued attributes has significant applications in data exploration and database query optimization. In this p...
IIS
2004
13 years 8 months ago
2004
Estimating the result size of a join is an important query optimization problem as it determines the choice of a good query evaluation strategy. Yet, there are few efficient techni...
PODS
2000
ACM
13 years 11 months ago
2000
ACM
In a variety of applications ranging from optimizing queries on alphanumeric attributes to providing approximate counts of documents containing several query terms, there is an in...
CIKM
2003
Springer
14 years 18 days ago
2003
Springer
Searchers can have problems devising queries that accurately express their, often dynamic, information needs. In this paper we describe an adaptive approach that uses unobtrusive ...