45 search results - page 7 / 9 » A Query-sensitive Cost Model for Similarity Queries with M-t... |
EDBT
2009
ACM
14 years 2 months ago
2009
ACM
In recent years, large amount of data modeled by graphs, namely graph data, have been collected in various domains. Efficiently processing queries on graph databases has attracted...
SIGMOD
2002
ACM
14 years 7 months ago
2002
ACM
This paper addresses the problem of evaluating ranked top-? queries with expensive predicates. As major DBMSs now all support expensive user-defined predicates for Boolean queries...
ADBIS
2006
Springer
14 years 1 months ago
2006
Springer
materialized view selection is a non-trivial task. Hence, its complexity must be reduced. A judicious choice of views must be costdriven and influenced by the workload experienced...
ESANN
2006
13 years 8 months ago
2006
In this article, we extend a local prototype-based learning model by active learning, which gives the learner the capability to select training samples during the model adaptation...
EDBTW
2006
Springer
13 years 11 months ago
2006
Springer
Geospatial image data obtained by satellites and aircraft are increasingly important to a wide range of applications, such as disaster management, climatology, and environmental m...