RELAY SERVER, MOBILE TERMINAL, INFORMATION BROWSING SYSTEM AND METHOD THEREOF

• US 20100131593A1
• Filed: 11/09/2009
• Published: 05/27/2010
• Est. Priority Date: 11/26/2008
• Status: Active Grant

• Current Assignee: Fujitsu Limited
• Original Assignee: Fujitsu Limited
• Inventors: KIHARA, Hideto, Matsui, Kazuki
• Granted Patent: US 8,732,235 B2
• Time in Patent Office: Days
• US Class Current: 709/203
• CPC Class Codes: G06F 16/957 Browsing optimisation, e.g. caching or content distillation
• CPC Class Codes: H04L 12/18 for broadcast or conference , e.g. multicast
• CPC Class Codes: H04L 12/1859 adapted to provide push services, e.g. data channels
• CPC Class Codes: H04L 12/1895 for short real-time information, e.g. alarms, notifications, alerts, updates

Abstract

A computer implemented method including: periodically requesting an off-line data update processing based on automatic determination of a degree of importance of data and an update frequency; and updating the off-line data based on the requesting and displaying a page of on-line data resulting from the updating.

Claims

1. A relay server for relaying information delivered from an information delivery server as off-line data to mobile terminals, the relay server comprising:

update frequency discriminating means for determining an update frequency of the information for each of the mobile terminals based on display situation data of the information received from the mobile terminal;

off-line data creating means for determining whether to create off-line data to be transmitted to the mobile terminals for each of the mobile terminals based on the update frequency of the determined information and creating off-line data to be transmitted to the mobile terminal from the information delivered from the information delivery server when said determining indicates that the off-line data is to be created; and

off-line data transferring means for transferring an update date and time of the information, the update frequency of the information and the created off-line data to the mobile terminal.

2. The relay server according to claim 1, comprising:

degree of importance determining means for determining a degree of importance per region of the information for each of the mobile terminals based on display situation data per region of the information received from the mobile terminal, and

wherein the update frequency discriminating means determines the update frequency of the information for each of the mobile terminal based on display situation data of the information received from the mobile terminal when an update is detected in a region where the degree of importance of the information delivered from the information delivery server is equal to or greater than a threshold based on the degree of importance per region of the information determined.

3. The relay server according to claim 2, wherein the degree of importance determining means receives a display time per region of the information as the display situation data per region of the information from the mobile terminal and determines that the region of the information having a long display time has a high degree of importance.

4. The relay server according to claim 2, wherein the degree of importance determining means receives information of a link selected by a user with the mobile terminal as the display situation data per region of the information from the mobile terminal and determines that a region around the link has a high degree of importance.

5. A mobile terminal that receives information delivered from an information delivery server via a relay server as off-line data, comprising:

display situation recording means for recording display situation data per region of the off-line data displayed by display means;

off-line data storing means for storing off-line data previously received from the relay server;

off-line data update necessity determining means for acquiring, upon receiving a request to display the off-line data stored in the off-line data storing means, an update date and time, and update frequency of the off-line data and determines whether necessary to update the off-line data stored in the off-line data storing means based on the update date and time, and update frequency;

display situation data transmitting means for acquiring, when determining that the off-line data stored in the off-line data storing means needs to be updated, display situation data recorded in the display situation recording means and transmitting the display situation data to the relay server;

off-line data updating means for receiving the off-line data created by the relay server based on the display situation data, update date and time, and update frequency of the off-line data from the relay server and updating off-line data previously received from the relay server and stored in the off-line data to off-line data newly received from the relay server; and

display controlling means for causing display means to display off-line data previously received from the relay server and stored in the off-line data storing means when determining that the off-line data stored in the off-line data storing means need not be updated and causing the display means to display off-line data newly received from the relay server and stored in the off-line data storing means when determining that the off-line data stored in the off-line data storing means needs to be updated.

6. An information browsing system including an information delivery server that delivers information, a mobile terminal that displays off-line data and a relay server that relays the information delivered from the information delivery server as off-line data to the mobile terminal connected to each other in a data communicatable manner, the relay server comprising:

update frequency discriminating means for determining an update frequency of the information for each of the mobile terminals based on display situation data of the information received from the mobile terminal;

off-line data creating means for determining whether to create off-line data to be transmitted to the mobile terminal for each of the mobile terminals based on an update frequency of the determined information and creating off-line data to be transmitted to the mobile terminal from the information delivered from the information delivery server when said determining indicates that the off-line data is to be created; and

off-line data transferring means for transferring an update date and time of the information and update frequency of the information as well as the created off-line data to the mobile terminal, and

the mobile terminal comprising;

display situation recording means for recording display situation data per region of the off-line data displayed by display means;

off-line data storing means for storing off-line data previously received from the relay server;

off-line data update necessity determining means for acquiring, upon receiving a request to display the off-line data stored in the off-line data storing means, an update date and time, and update frequency of the off-line data and determining whether necessary to update the off-line data stored in the off-line data storing means based on the update date and time, and update frequency;

display situation data transmitting means for acquiring, when determining that the off-line data stored in the off-line data storing means needs to be updated, display situation data recorded in the display situation recording means and transmitting the display situation data to the relay server;

off-line data updating means for receiving the off-line data created by the relay server based on the display situation data, update date and time, and update frequency of the off-line data from the relay server and updating off-line data previously received from the relay server and stored in the off-line data to off-line data newly received from the relay server; and

display controlling means for causing display means to display off-line data previously received from the relay server and stored in the off-line data storing means when determining that the off-line data stored in the off-line data storing means need not be updated and causing the display means to display off-line data newly received from the relay server and stored in the off-line data storing means when determining that the off-line data stored in the off-line data storing means needs to be updated.

7. A computer-readable storage medium storing a program for controlling a relay server that relays information delivered from an information delivery server as off-line data to mobile terminals, the program causing the computer to execute an operation comprising:

determining an update frequency of the information for each of the mobile terminals based on display situation data of the information received from the mobile terminal;

determining whether to create off-line data to be transmitted to the mobile terminal based on the update frequency of the determined information for each of the mobile terminals and creating off-line data to be transmitted to the mobile terminal from the information delivered from the information delivery server when said determining indicates that the off-line data is to be created; and

transferring an update date and time of the information, and update frequency of the information as well as the created off-line data to the mobile terminal.

8. A computer-readable storage medium storing a program for controlling mobile terminals that receive information delivered from an information delivery server as off-line data via a relay server, the program causing the computer to execute an operation, comprising:

recording display situation data per region of the off-line data displayed;

storing off-line data previously received from the relay server;

acquiring, upon receiving a request to display the off-line data stored, an update date and time, and update frequency of the off-line data and determining whether necessary to update the off-line data stored based on the update date and time, and update frequency;

acquiring, when determining that the off-line data stored needs to be updated, display situation data recorded and transmitting the display situation data to the relay server;

receiving the off-line data created by the relay server based on the display situation data, update date and time, and update frequency of the off-line data from the relay server and updating off-line data previously received from the relay server and stored in the off-line data to off-line data newly received from the relay server; and

displaying off-line data previously received from the relay server and stored when determining that the off-line data stored need not be updated and displaying off-line data newly received from the relay server and stored when determining that the off-line data stored needs to be updated.

9. A computer implemented method, comprising:

periodically requesting an off-line data update processing based on automatic determination of a degree of importance of data and an update frequency; and

updating the off-line data based on the requesting and displaying a page of on-line data resulting from the updating.