1
Gregory T Grefenstette, James G Shanahan: Meta-document management system with document identifiers. Xerox Corporation, October 16, 2007: US07284191 (87 worldwide citation)

A personality that identifies enrichment themes of a document is associated with a reading or mobile computing device. In one embodiment, a personality is associated with a document reference reading device and attached to each document reference recorded by the document reference reading device. Th ...


2
Gregory T Grefenstette, James G Shanahan: Meta-document management system with document identifiers. Patent Documentation Center, October 14, 2004: US20040205448-A1

A personality that identifies enrichment themes of a document is associated with a reading or mobile computing device. In one embodiment, a personality is associated with a document reference reading device and attached to each document reference recorded by the document reference reading device. Th ...