Title:
METHOD, APPARATUS AND SYSTEM FOR DELIVERING INFORMATION AND RECORDING MEDIUM
Document Type and Number:
WIPO Patent Application WO/2000/033193
Kind Code:
A1
Abstract:
Method, apparatus and system for delivering frequently updated information surely and efficiently to a client having many different versions, and a recording medium. A version of information already received by a client is transmitted to a server and only the updated part is delivered by extracting the difference between the information composing list of the version being managed on the server side and the information of the latest version, or information indicative of the composition of information from the client is transmitted and compared with the latest information on the server side and only the updated part is delivered by extracting the difference.
Inventors:
SAKANISHI YOSHIKO (JP)
OOI YUKIO (JP)
ITOU MITSUNORI (JP)
OOI YUKIO (JP)
ITOU MITSUNORI (JP)
Application Number:
PCT/JP1998/005378
Publication Date:
June 08, 2000
Filing Date:
November 30, 1998
Export Citation:
Assignee:
HITACHI LTD (JP)
HITACHI SOFTWARE ENG (JP)
SAKANISHI YOSHIKO (JP)
OOI YUKIO (JP)
ITO MITSUNORI (JP)
HITACHI SOFTWARE ENG (JP)
SAKANISHI YOSHIKO (JP)
OOI YUKIO (JP)
ITO MITSUNORI (JP)
International Classes:
G06F17/30; (IPC1-7): G06F12/00
Foreign References:
| JPS63262724A | 1988-10-31 |
Attorney, Agent or Firm:
Sakuta, Yasuo (Ltd. 5-1, Marunouchi 1-chome Chiyoda-ku Tokyo, JP)
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