Patent ID: 7433883

Claim:
A method for processing information, comprising: receiving a segmented judgment matrix, the segmented judgment matrix being a numerical matrix pairing each of a set of terms to each of a set of classifications, each term being a word or phrase, the segmented judgment matrix having a plurality of information submatrices, each element of each information submatrix representing a rating of a relevance of the term of the element to the classification of the element, each information submatrix being a numerical matrix representing the relevance of each of a subset of the set of terms to each of a subset of the set classifications; using the segmented judgment matrix to calculate an information spectrum; receiving a search request; using the segmented judgment matrix to calculate an information spectrum of the search request; using the segmented judgment matrix to calculate an information spectrum for each of a plurality of documents; and identifying at least some documents of the plurality of documents as relevant to the search request based upon a comparison of the calculated information spectrums.