Information processing device, terminal, server, and method for data transfer

Patent metadata

Field	Value
Publication number	US-9117252-B2
Application number	US-201113695598-A
Country	US
Kind code	B2
Filing date	Apr 27, 2011
Priority date	May 7, 2010
Publication date	Aug 25, 2015
Grant date	Aug 25, 2015

Abstract

An information processing device includes a first unit which predicts use data used in the future on the basis of action plan information resulting from prediction of an action of a user, and outputs use data identification information; a second unit which predicts a communication state in a situation indicated by the action plan information on the basis of the action plan information and communication environment information regarding a communication environment of the terminal, and outputs information regarding the predicted communication state; and a third unit which calculates a prefetch necessary degree regarding each of the use data on the basis of the use data identification information and the information regarding the predicted communication state.

First claim

The invention claimed is:

1. An information processing device comprising:
a use data prediction unit which predicts use data that is assumed to be used by a terminal in the future on a basis of action plan information resulting from prediction of an action of a user of the terminal, and outputs use data identification information for identifying the predicted use data;
a communication state prediction unit which predicts a communication state indicating at least time proportion within a range between corresponding time and a location of the communication available in the terminal to a network in a situation indicated by the action plan information on a basis of the action plan information and communication environment information regarding a communication environment of the terminal, and outputs information regarding the predicted communication state; and
a prefetch necessary degree calculation unit which calculates a prefetch necessary degree regarding each of the use data on a basis of the use data identification information and the information regarding the predicted communication state.

2. The information processing device according to claim 1 , wherein the use data prediction unit calculates a degree of importance regarding each of the use data on a basis of a prescribed criterion.

3. The information processing device according to claim 2 , wherein the prefetch necessary degree calculation unit calculates a prefetch necessary degree regarding each of the use data on a basis of information regarding the predicted use data, the information regarding the predicted communication state and the calculated degree of importance.

4. The information processing device according to any of claim 1 , further comprising a prefetch target sorting unit which sorts out the use data which is prefetched, on a basis of the prefetch necessary degree and the prescribed determination criterion.

5. The information processing device according to claim 4 , further comprising a prefetch execution unit which acquires the use data which is prefetched.

6. The information processing device according to claim 5 , wherein the prefetch execution unit acquires the use data which is prefetched, on the basis of the prefetch necessary degree regarding each of the use data.

7. The information processing device according to claim 5 , wherein the prefetch execution unit acquires the use data having been sorted out by the prefetch target sorting unit.

8. The information processing device according to claim 4 , further comprising an action prediction unit which creates action plan information on a basis of prediction reference information which includes information available for predicting an action.

9. The information processing device according to claim 8 , further comprising an action information collection unit which collects at least one of an operation history and a movement history of the terminal as the prediction reference information.

10. The information processing device according to claim 8 , further comprising:
a prefetch planning unit which plans an acquisition time when the prefetch is performed for the use data, on a basis of the predicted communication state in a situation indicated by the action plan information.

11. The information processing device according to claim 10 , wherein the prefetch planning unit plans the acquisition time on a basis of update timing for the use data.

12. A terminal comprising:
a use data prediction unit which predicts use data that is assumed to be used by the terminal in the future on a basis of action plan information resulting from prediction of an action of a user of the terminal, and outputs use data identification information for identifying the predicted use data;
a communication state prediction unit which predicts a communication state indicating at least time proportion within a range between corresponding time and a location of the communication available in the terminal to a network in a situation indicated by the action plan information on a basis of the action plan information and communication environment information regarding a communication environment of the terminal, and outputs information regarding the predicted communication state; and
a prefetch necessary degree calculation unit which calculates a prefetch necessary degree regarding each of the use data on a basis of the use data identification information and the information regarding the predicted communication state.

13. The terminal according to claim 12 , wherein the use data prediction unit calculates a degree of importance regarding each of the use data on a basis of a prescribed criterion.

14. The terminal according to claim 13 , wherein the prefetch necessary degree calculation unit calculates a prefetch necessary degree regarding each of the use data on a basis of information regarding the predicted use data, the information regarding the predicted communication state and the calculated degree of importance.

15. A server comprising:
a use data prediction unit which predicts use data that is assumed to be used by a terminal in the future on a basis of action plan information resulting from prediction of an action of a user of the terminal, and outputs use data identification information for identifying the predicted use data;
a communication state prediction unit which predicts a communication state indicating at least time proportion within a range between corresponding time and a location of the communication available in the terminal to a network in a situation indicated by the action plan information on a basis of the action plan information and communication environment information regarding a communication environment of the terminal, and outputs information regarding the predicted communication state; and
a prefetch necessary degree calculation unit which calculates a prefetch necessary degree regarding each of the use data on a basis of the use data identification information and the information regarding the predicted communication state.

16. The server according to claim 15 , wherein the use data prediction unit calculates a degree of importance regarding each of the use data on a basis of a prescribed criterion.

17. The server according to claim 16 , wherein the prefetch necessary degree calculation unit calculates a prefetch necessary degree regarding each of the use data on the basis of information regarding the predicted use data, the information regarding the predicted communication state and the calculated degree of importance.

18. A method for data transfer, said method comprising:
predicting use data that is assumed to be used by a terminal in the future on a basis of action plan information resulting from prediction of an action of a user of the terminal, and outputting use data identification information for identifying the predicted use data;
predicting a communication state indicating at least time proportion within a range between corresponding time and a location of the communication available in the terminal to a network in a situation indicated by the action plan information on a basis of the action plan information and communication environment information regarding a communication environment of the terminal, and outputting information regarding the predicted communication state; and
calculating a prefetch necessary degree regarding each of the use data on a basis of the use data identification information and the information regarding the predicted communication state.

19. The method for data transfer, according to cl

Assignees

• Sogo Takushi
• Nec Corp

Inventors

• Sogo Takushi

Classifications

• G06Q10/10

  Office automation; Time management · CPC title

• G06Q10/04

  Forecasting or optimisation specially adapted for administrative or management purposes, e.g. linear programming or "cutting stock problem" (market predictions or forecasting for commercial activities G06Q30/0202) · CPC title

• G06F8/4442

  Reducing the number of cache misses; Data prefetching (cache prefetching G06F12/0862) · CPC title

• G06Q99/00 Primary

  Subject matter not provided for in other groups of this subclass · CPC title

• G06N7/01

  Probabilistic graphical models, e.g. probabilistic networks · CPC title