In order to find locally relevant information in a physical or electronic document (71), such as a guide book, which a user (70) already possesses, the user contacts a service system (40) over a mobile radio infrastructure (10). The service system (40) is provided both with the identity of the document...http://www.google.fr/patents/US7522925?utm_source=gb-gplus-shareBrevet US7522925 - Finding locally-relevant information in a document
Finding locally-relevant information in a document
