Terminal device, terminal control method, program and information processing system

• US 9,547,827 B2
• Filed: 02/26/2013
• Issued: 01/17/2017
• Est. Priority Date: 03/30/2012
• Status: Active Grant

• Current Assignee: Sony Corporation (Sony Group Corp.)
• Original Assignee: Sony Corporation (Sony Group Corp.)
• Inventors: Ide, Naoki, Usui, Takashi, Tsuda, Shinichiro
• Primary Examiner(s): Hill, Stanley K
• Assistant Examiner(s): Traktovenko, Ilya
• Application Number:
  US13/777,653
• Publication Number:
  US 20130262354A1
• Time in Patent Office: 1,421 Days
• Field of Search: None
• US Class Current: 1/1
• CPC Class Codes: G06N 20/00 Machine learning

Abstract

A terminal device includes an acquisition unit, an accumulation unit, a communication unit and a prediction unit. The acquisition unit acquires local information of a present location at a present time. The accumulation unit accumulates the acquired local information for a period of time. The communication unit transmits, to an information processing device, the accumulated local information. The communication unit also receives, from the information processing device, parameters of a statistical model which are learned using local information acquired from a plurality of other terminal devices. The prediction unit predicts local information in relation to an arbitrary time and location using the received parameters of the statistical model.

Claims

1. A portable terminal comprising:

at least one processor and a storage device configured to function as;

an acquisition unit which acquires local information of a present location at a present time, wherein the local information is information representing a congestion factor of a base station to which the portable terminal is connected in order to perform communication;

an accumulation unit which accumulates the acquired local information at the present position for a period of time;

a communication unit which;

transmits, to an information processing device, the local information at the present position which is accumulated for the period of time, and

receives, from the information processing device, parameters of a statistical model which are learned using local information from a plurality of other portable terminals at other locations different from the present location, wherein the statistical model is a regression model in which at least a time and an area are explanatory variables, and items of local information are criterion variables; and

a prediction unit which predicts local information representing the congestion factor of a base station for a specified time and location using the received parameters of the statistical model, which predicts a movement route of the portable terminal, which predicts a location and an arrival time of the portable terminal at a point on the movement route and which predicts the local information representing the congestion factor of a base station in relation to the predicted location and the predicted arrival time, wherein the received parameters of the statistical model are learned using the local information acquired from the plurality of other portable terminals.

2. The portable terminal according to claim 1,

wherein, the communication unit receives only the parameters in which the weighting parameter is not zero, of weighting parameters of the regression model.

3. The portable terminal according to claim 1,

wherein the prediction unit predicts the local information in relation to a time and a location specified by a user.

4. The portable terminal according to claim 1, further comprising:

a sensor which acquires data, wherein the local information comprises the data acquired by the sensor.

5. The portable terminal according to claim 1,

wherein the local information comprises evaluation information evaluated and input by a user of the portable terminal.

6. A portable terminal control method comprising:

causing a portable terminal to acquire local information of a present location at a present time, wherein the local information is information representing a congestion factor of a base station to which the portable terminal is connected in order to perform communication;

causing the portable terminal to accumulate the acquired local information at the present position for a period of time;

causing the portable terminal to;

transmit, to an information processing device, the local information at the present position, which is accumulated for the period of time, and receive, from the information processing device, parameters of a statistical model which are learned using local information acquired from a plurality of other portable terminals at other locations different from the present location, wherein the statistical model is a regression model in which at least a time and an area are explanatory variables, and items of local information are criterion variables; and

causing the portable terminal to predict local information representing the congestion factor of a base station for a specified time and location using the received parameters of the statistical model, to predict a movement route of the portable terminal, to predict a location and an arrival time of the portable terminal at a point on the movement route and to predict the local information representing the congestion factor of a base station in relation to the predicted location and the predicted arrival time, wherein the received parameters of the statistical model are learned using the local information acquired from the plurality of other portable terminals.

7. A non-transitory computer storage device comprising instructions, which, when executed, cause at least one processor of a computer to function as:

an acquisition unit which acquires local information of a present location at a present time, wherein the local information is information representing a congestion factor of a base station to which the portable terminal is connected in order to perform communication;

an accumulation unit which accumulates the acquired local information at the present position for a period of time;

a communication unit which;

transmits, to an information processing device, the local information at the present position which is accumulated for the period of time, and

receives, from the information processing device, parameters of a statistical model which are learned using local information from a plurality of other portable terminals at other locations different from the present location, wherein the statistical model is a regression model in which at least a time and an area are explanatory variables, and items of local information are criterion variables; and

a prediction unit which predicts local information representing the congestion factor of a base station for a specified time and location using the received parameters of the statistical model, which predicts a movement route of the portable terminal, which predicts a location and an arrival time of the portable terminal at a point on the movement route and which predicts the local information representing the congestion factor of a base station in relation to the predicted location and the predicted arrival time, wherein the received parameters of the statistical model are learned using the local information acquired from the plurality of other portable terminals.

8. An information processing system formed from a portable terminal and an information processing device, wherein:

the portable terminal includes;

at least one processor and a storage device configured to function as;

an acquisition unit which acquires local information of a present location at a present time, wherein the local information is information representing a congestion factor of a base station to which the portable terminal is connected in order to perform communication;

an accumulation unit which accumulates the acquired local information at the present position for a period of time; and

a communication unit which;

transmits, to the information processing device, the local information at the present position which is accumulated for the period of time, and

receives, from the information processing device, parameters of a statistical model which are learned using local information acquired from a plurality of other portable terminals at other locations different from the present location, wherein the statistical model is a regression model in which at least a time and an area are explanatory variables, and items of local information are criterion variables; and

the information processing device includes;

a communication unit which receives the local information at the present location accumulated for the period of time transmitted thereto from the portable terminal, and transmits the parameters of the statistical model to the portable terminal; and

a learning unit which learns the parameters of the statistical model using the local information received from the plurality of other portable terminals; and

wherein either one of the portable terminal or the information processing device includes a prediction unit which predicts the local information representing the congestion factor of a base station for a specified time and location using the parameters of the statistical model, which predicts a movement route of the portable terminal, which predicts a location and an arrival time of the portable terminal at a point on the movement route and which predicts the local information representing the congestion factor of a base station in relation to the predicted location and the predicted arrival time, wherein the received parameters of the statistical model are learned using the local information acquired from the plurality of other portable terminals.