259 search results - page 3 / 52 » Metrics for Evaluating Database Selection Techniques |
WAIM
2004
Springer
13 years 11 months ago
2004
Springer
A top-N selection query against a relation is to find the N tuples that satisfy the query condition the best but not necessarily completely. In this paper, we propose a new method ...
ICDE
2006
IEEE
14 years 7 months ago
2006
IEEE
The high quality, structured data from Web structured sources is invaluable for many applications. Hidden Web databases are not directly crawlable by Web search engines and are on...
GEOINFORMATICA
2006
13 years 5 months ago
2006
Existing estimation approaches for spatial databases often rely on the assumption that data distribution in a small region is uniform, which seldom holds in practice. Moreover, the...
ECIR
2010
Springer
13 years 7 months ago
2010
Springer
Abstract. Previous evaluations of server selection methods for federated search have either used metrics which are unconnected with user satisfaction, or have not been able to acco...
ICMCS
1998
IEEE
13 years 10 months ago
1998
IEEE
In this paper, we present an experimental evaluation of three color-spatial retrieval techniques -- the signaturebased technique, the partition-based algorithm and the cluster-bas...