Patent ID: 7281016

Claim:
An electronic information management system for classification and storage of documents, comprising: a computer readable storage medium for storing an image of a document; and a processor including: image feature extracting means for extracting at least one feature of the image based on an instruction from a client, the feature associated with electronic information stored in storing means connected to a network; deciding means for deciding whether the electronic information is to be deleted based on the feature extracted by the image feature extracting means and on a condition specified by the client; and deleting means for deleting from the storing means via the network and via a deletion method specified by the client unnecessary electronic information decided to be deleted by the deciding means, the deleting means including means for deleting information that matches a predetermined condition, wherein: one or more documents are classified by the extracted feature, the extracted feature is at least one of a title of a document, a creation date of the document, a creator of the document, a file name of the document, an application name under which the document is created, a document keyword and a full text of the document, and one or more documents containing unnecessary electronic information are deleted from the storage medium.