| http://www.w3.org/ns/prov#value | - The computer implemented method of claim 4 wherein said step of generating said projection of said first string and said second string using cluster tables is accomplished by: Cs.sbsb.iM(S.sbsb.i.sub.)+|D|+j =dj *usin Cs.sbsb.iM(S.sbsb.i.sub.)+|D|-j =dj *usin (j=0,1,2, . . . , |D|-1) where D is a distributing series, |D| is distribution size, dj is the j-th item in distribution series D, Csik is t
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