14306 search results - page 311 / 2862 » Database System Concepts |
184
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CIKM
2010
Springer
15 years 5 months ago
2010
Springer
The major challenge in mining data streams is the issue of concept drift, the tendency of the underlying data generation process to change over time. In this paper, we propose a g...
201
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PERCOM
2009
ACM
16 years 1 months ago
2009
ACM
—The ubiquity of mobile devices has brought forth the concept of participatory sensing, whereby ordinary citizens can now contribute and share information from the urban environm...
233
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ICMCS
2007
IEEE
16 years 1 months ago
2007
IEEE
In this paper, we present a knowledge-assisted approach to index and retrieve large volume of medical images. Both images and associated texts are indexed using medical concepts f...
196
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DBA
2004
15 years 8 months ago
2004
In order to guarantee efficient query processing together with industrial strength, spatial index structures have to be integrated into fully-fledged object-relational database ma...