Patent Document ID: 9159584
Application ID: 13477645

Base Claim:
1. A method of retrieving documents, comprising: performing processing associated with coding, with a processor, a plurality of stored documents as respective document feature vectors in a bit-attribute matrix, each feature vector comprising at least one attribute or class; performing processing associated with generating, with the processor, a query vector based on a query document; performing processing associated with performing, with the processor, one or more logical operations between the query vector and the respective document feature vectors in the bit-attribute matrix to obtain respective similarity measures; and performing processing associated with assigning, with the processor, an attribute or class to the query document based on the attribute or classes of one or more of the feature vectors.

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Claim 18:
18. The method of claim 1 , wherein there is a plurality of result columns such that the result columns form a matrix, and wherein a row of the thus formed result column matrix represents a degree of similarity between the query and the stored document corresponding to said row.