339 search results - page 16 / 68 » Improved Query Performance with Variant Indexes |
ICDE
2011
IEEE
14 years 1 months ago
2011
IEEE
— Many data-intensive websites use databases that grow much faster than the rate that users access the data. Such growing datasets lead to ever-increasing space and performance o...
DEXA
2006
Springer
15 years 1 months ago
2006
Springer
One of the problems associated with XML databases is the poor performance of XPath queries. Although this has attracted much attention by the research community, solutions are eith...
DEBU
2002
14 years 9 months ago
2002
The domain of spatiotemporal applications is a treasure trove of new types of data and queries. In this work, the focus is on a spatiotemporal sub-domain, namely the trajectories ...
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CLEF
2007
Springer
15 years 4 months ago
2007
Springer
In this paper, we propose a pseudo-relevance feedback method to deal with the photographic retrieval and medical retrieval tasks of ImageCLEF 2007. The aim of our participation to...
DLOG
2010
14 years 8 months ago
2010
We develop a query algebra that supports efficient assertion retrieval--a natural extension of instance retrieval. The algebra is based on previously developed techniques for index...