| http://www.w3.org/ns/prov#value | - C=U???S???VT where U is an m???m orthonormal matrix, V is an n???n orthonormal matrix, and S is an m???n positive matrix whose nonzero values are S1,1, . . . , Sr,r, where r is the rank of C, and the values are arranged in descending order s1,1???s2,2???. . .
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