1824 search results - page 34 / 365 » Estimating query performance using class predictions |
PDPTA
1996
13 years 10 months ago
1996
The problem of eciently retrieving and ranking documents from a huge collection according to their relevance to a research topic is addressed. A broad class of queries is de ned a...
ICDE
2008
IEEE
14 years 10 months ago
2008
IEEE
Existing prediction methods in moving objects databases cannot forecast locations accurately if the query time is far away from the current time. Even for near future prediction, m...
ECAI
2004
Springer
14 years 2 months ago
2004
Springer
In this paper we propose a novel classification algorithm that fits models of different complexity on separate regions of the input space. The goal is to achieve a balance betwee...
CAISE
2005
Springer
14 years 2 months ago
2005
Springer
In vague queries, a user enters a value that represents some real world object and expects as the result the set of database values that represent this real world object even with ...
EMSOFT
2004
Springer
14 years 2 months ago
2004
Springer
Performance is an important quality attribute that needs to be and managed proactively. Abstract models of the system are not very useful if they do not produce reasonably accurat...