Patent ID: 7175080

Claim:
A memorandum system for operating a portable terminal as a memorandum, comprising: an ontological dictionary management server; a portable terminal; and a communication network for interconnecting the ontological dictionary management server and the portable terminal so as to enable bi-directional communications therebetween; wherein: the ontological dictionary management server includes: an ontological dictionary management section for managing an ontological dictionary organized by correlating a service item, site information related to a site providing the service item and a site position information related to the site information; and a communications apparatus providing the ontological dictionary in response to a request from the portable terminal; the portable terminal includes: a communications apparatus for receiving the ontological dictionary from the ontological dictionary management server; a storage apparatus containing the ontological dictionary and a user-specific memorandum list including listed-up service item information; a memorandum list management section for reading out the service item information listed up in the memorandum list; collating the ontological dictionary, retrieving site position information related to the site information from site information providing the service item, and writing to the memorandum list by relating at least each service item information and the site position information related to the service item information; a current position information acquisition section for acquiring current position information; and a notification section for notifying memorandum information related to service item related to site position information matched by matching the current position information with the site position information of the memorandum list.