2290 search results - page 328 / 458 » Extensible Protected Types |
239
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ICDE
2006
IEEE
16 years 7 months ago
2006
IEEE
Many evolving database applications warrant the use of non-traditional indexing mechanisms beyond B+-trees and hash tables. SP-GiST is an extensible indexing framework that broade...
298
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ICDE
2005
IEEE
16 years 7 months ago
2005
IEEE
A reverse nearest neighbor (RNN) query returns the data objects that have a query point as their nearest neighbor (NN). Although such queries have been studied quite extensively in...
151
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ICPR
2008
IEEE
16 years 7 months ago
2008
IEEE
The covariance region descriptor recently proposed in [1] has been proved robust and versatile for a modest computational cost. The covariance matrix enables efficient fusion of d...
155
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ICPR
2008
IEEE
16 years 7 months ago
2008
IEEE
This paper addresses the issue of counterfeit iris detection, which is a liveness detection problem in biometrics. Fake iris mentioned here refers to iris wearing color contact le...
290
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GIS
2005
ACM
16 years 7 months ago
2005
ACM
Group nearest neighbor (GNN) queries are a relatively new type of operations in spatial database applications. Different from a traditional kNN query which specifies a single quer...