Patent ID: 6038557
Filing Date: 2000-03-14
Classification: G06F,Y10S

Abstract:
A method of processing a corpus of electronically stored documents to cluster one or more previously identified documents of interest, comprising:expanding a focus set, the focus set including at least one initial metadocument representative of a plurality of documents, into a plurality of subsequent metadocuments, each subsequent metadocument being a subset of the initial metadocument, the expanding step comprising:choosing a metadocument in the focus set,expanding the chosen metadocument into its descendant metadocuments,replacing the worst descendant metadocument with the children of said worst descendant metadocument,pruning the children of the worst descendent metadocument that do not include at least one document of interest, andrepeating the choosing and expanding steps until a number of the subsequent metadocuments is at least equal to a predetermined maximum number; andclustering the subsequent metadocuments into a predetermined number of clusters.