An object-based, semantic representation for documents as information containers, using a controlled taxonomy, facilitates the extraction of meaning from such information containers to provide high-level, automated document interpretation. The high-level functions that are enabled include automated filtering...http://www.google.co.uk/patents/US6405211?utm_source=gb-gplus-sharePatent US6405211 - Object-oriented representation of technical content and management, filtering, and synthesis of technical content using object-oriented representations
