A target document in a document processing system is annotated on the basis of annotations made previously to a source document. A source document (either a scanned image of a paper document or an electronic document) is annotated by a user to identify words or phrases of interest. The annotated words...http://www.google.com/patents/US20040034832?utm_source=gb-gplus-sharePatent US20040034832 - Method and apparatus for foward annotating documents
