| http://www.w3.org/ns/prov#value | - O={o k |d(o k ,q)?????,o k ???R} [0420] are searched, where R is an image/video database and d( ) is a metric distance. [0421] Basic Hypershell Search Algorithm [0422] In the first preferred embodiment of the basic hypershell search algorithm, O = { o k | d ??? ( o k , q ) ??? ?? , o k ??? I } I = ??? j = 1 J ??? I j I j = { i k | | d ??? ( i k , p j ) - d ??? ( q , p j ) | ??? ?? } , [0423] where
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