JP2015032086A - Terminal and situation estimation system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To achieve advanced situation estimation without transferring privacy information to a third person application.SOLUTION: The terminal having an application execution function such as a smart phone includes: log collection means for collecting an operation log or a sensor log; situation estimation means for analyzing the collected log, and for estimating a peripheral situation or the use situation of a user; and situation output means for outputting the result of estimation as a plurality of types of situation data as a symbol common to all users to an arbitrary application. The log collection means is configured to reject access from any means other than the situation estimation means.

Description

  The present invention relates to a terminal and a situation estimation system that realize advanced situation estimation without passing privacy information to a third party application.

  Conventionally, there are some users and communication anonymization that can protect the privacy of logs acquired from apps between communications and in servers, but it makes it impossible for other third parties to identify individuals. However, it is difficult to pass individual logs or log analysis results.

JP 2004-94320 A

http://www.infoq.com/jp/news/2012/07/Gimbal

  However, in Patent Document 1, the log information is aggregated and grouped, and the individual information cannot be specified by providing the information on the group as information relating to the individual. The technology similar to Patent Document 1 is a technology that averages each common profile, and it is possible to pass information that is not direct privacy information as an analysis result of a log, such as estimation of personal hobbies and preferences. However, it is impossible to pass information based on the detailed circumstances of the individual, such as what is being done now. Further, in the technique of Non-Patent Document 1, it is possible to actively disclose or conceal data disclosure. However, there is no mechanism for concealing disclosed information, and there has been a problem that privacy risk cannot be reduced for information that has been disclosed regardless of intention.

  Therefore, the present invention has been made in view of the above-described problems, and an object of the present invention is to provide a terminal and a situation estimation system that realize advanced situation estimation without passing privacy information to a third party application.

  The present invention proposes the following matters in order to solve the above problems.

  (1) The present invention has an application execution function such as a smartphone, and logs collection means for collecting operation logs and sensor logs, and situation estimation means for analyzing the collected logs and estimating a surrounding situation or a user usage situation And a status output means for outputting the estimated result to an arbitrary application as a plurality of types of status data that are symbols common to all users, and the log collection means is provided from other than the status estimation means. A terminal characterized by denying access has been proposed.

  (2) In the present invention, for the terminal of (1), the log collecting means collects position information such as GPS and base station position information and data acquisition time thereof, and the situation estimating means The movement pattern and movement range of the user are grasped from the information, and the meaning of the current position for the user is determined from the positional relationship between the current position information and the movement pattern and movement range. A terminal characterized by estimation as data has been proposed.

  (3) The present invention relates to the terminal of (1), wherein the situation estimation means moves the position information from the past two points or the past position information and the current position information and the acquisition time of each position information data. A terminal is proposed that calculates a speed and estimates a moving state or moving means as the situation data based on the magnitude, direction, or speed change of the speed.

  (4) In the present invention, for the terminal of (1), the log collection unit collects a startup process and an execution time, and the situation estimation unit grasps the process startup pattern of the user from the startup process in a certain period. Then, the current terminal operation frequency of the user is determined from the process activation pattern at the current time, or the currently activated process or the activation process from the present to a certain period before and the process activation pattern. The terminal is characterized in that it is estimated as the situation data.

  (5) According to the present invention, for the terminal of (1), the log collecting unit collects acceleration information, and the situation estimating unit uses the latest acceleration information as the situation data. A terminal characterized by estimation is proposed.

  (6) The present invention includes, for the terminals of (1) to (5), a situation estimation application having the situation estimation means and a situation output means and an application execution means for executing an arbitrary application, and the arbitrary application includes: There has been proposed a terminal characterized by comprising information collating means for sorting out information according to the situation using the situation data acquired from the situation output means of the situation estimation application.

  (7) According to the present invention, in the terminal of (6), the information matching means is one or more of the current action content of the user, the current usage frequency of the current terminal, the current position of the user, and the movement status content. We have proposed a terminal characterized in that it uses information to sort out information according to the situation.

  (8) The present invention includes a log analysis device and an application execution device. The log analysis device collects user operation logs and sensor logs, and stores the collected log together with an identifier for identifying the user. Analyzing the log, and estimating the surrounding situation or the usage situation of the user, and a situation output means for outputting the estimation result from the situation estimation means to any application as situation data, and the log The collection means rejects log acquisition request access from other than the situation estimation means, and the application execution device receives the identifier from which the arbitrary application identifies a user being executed, and receives the identifier from the situation output means. We have proposed a situation estimation system characterized by comprising information collating means for sorting out information according to the situation using situation data.

  (9) The present invention includes a log analysis device and an application execution device. The application execution device acquires operation logs and sensor logs associated with the application execution, and uses the acquired logs and terminals to the log analysis device. A terminal log collection unit that transmits a user identifier to be executed, and a second information verification unit that acquires status information acquired by the information verification application. And collecting an operation log and a sensor log of the user from the terminal log collection unit, using an identifier for identifying the user being executed as input, and a log collection unit for accumulating with the identifier for identifying the user, and analyzing the collected log, A situation estimation means for estimating the surrounding situation or the usage situation of the user, and a state in which an estimation result from the situation estimation means is output as situation data to an arbitrary application Output means, and the application execution device uses the situation data acquired from the situation output means by inputting an identifier for identifying the user being executed to the situation output means of the log analysis device, Information is sorted out according to the situation, and information collating means for outputting to the second information collating means is provided, and the status output unit of the log analyzing apparatus only receives an information collation request from the information collating means of the application execution device. And a situation estimation system characterized by not answering a situation collation request from an application other than the information collation application or from another application execution device.

According to the present invention, the terminal user can acquire advanced information according to the situation of the user without sending the privacy-related information itself generated during use to a third-party application that cannot be trusted. There is an effect that.
In addition, third-party application vendors can also develop an application that can be classified according to advanced situations without acquiring a raw log of a user who requires strict management.
Furthermore, since the terminal user can provide only the processed information that cannot specify the personal profile to the third party application, not the log itself, there is an effect that the safety can be confirmed.

It is a figure which shows the structure of the terminal which concerns on the 1st Embodiment of this invention. It is a figure which shows the process of the terminal which concerns on the 1st Embodiment of this invention. It is a figure which shows the structure of the condition estimation system which concerns on the 2nd Embodiment of this invention. It is a figure which shows the process of the condition estimation system which concerns on the 2nd Embodiment of this invention. It is a figure which shows the structure of the condition estimation system which concerns on the 3rd Embodiment of this invention. It is a figure which shows the process of the condition estimation system which concerns on the 3rd Embodiment of this invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
Note that the constituent elements in the present embodiment can be appropriately replaced with existing constituent elements and the like, and various variations including combinations with other existing constituent elements are possible. Therefore, the description of the present embodiment does not limit the contents of the invention described in the claims.

<First Embodiment>
A first embodiment of the present invention will be described with reference to FIGS. 1 and 2.
In addition, the invention according to the present embodiment trusts a sensor log that can directly read “actual position, movement, and behavior according to time” that makes it possible to identify an individual, and an execution process log that is not disclosed to third party applications. It is a terminal that analyzes in a possible manner, converts it into a “situation” common to all users, and publishes this situation to a third party application. Specifically, instead of providing logs to insecure apps, the provision of logs is centralized in a secure situation providing platform. This gives the user peace of mind and also allows app vendors to take care of logging and manage without taking responsibility for managing the situation as a handy API and creating a smart app that matches the situation. become able to.

<Terminal configuration>
The terminal according to the present embodiment has a function of executing an application, and includes a log collection unit 110, a situation estimation application 120, and an arbitrary application 130, as shown in FIG. , A situation estimation unit 121 and a situation output unit 122, and an arbitrary application 130 has an information matching unit 131.

  The situation is, for example, in the case of location information, at home, at the workplace, other frequently visited neighborhoods, rarely visited places, etc. The length of time spent in the GPS log, the frequency of use of the terminal, Estimate the likelihood of home and workplace from the characteristics of the startup application, and determine whether it is a distance from the home or workplace in other places, or a neighborhood / far place from the number of appearances, frequent / rarely.

  In the case of time information, the situation includes, for example, getting up in the morning, going out, working, eating, resting, going home, sleeping, etc. Judgment is made based on the conditions such as the daily life rhythm from the start time to the end time of the day, at home, not at work, not at work, not using the terminal, or not.

  In the case of movement state information, the situation is, for example, stationary, walking, bicycle, train, bus, Shinkansen, etc., and the movement state such as walking or bicycle is judged from the latest GPS difference or acceleration. To do.

  In the case of operation frequency information, the status is not used, used, frequently used, etc., and is estimated from the past usage frequency of the same time period.

  The log collection unit 110 collects user operation logs and sensor logs. Note that the log collection unit 110 permits only access from the situation estimation unit 121 of the situation estimation application 120 described later.

  The situation estimation unit 121 of the situation estimation application 120 analyzes the log collected by the log collection unit 110 and estimates a surrounding situation or a user usage situation. The situation output unit 122 outputs the estimated result to an arbitrary application as a plurality of types of situation data that are symbols common to all users.

  Here, the log collection unit 110 collects position information such as GPS and base station position information and data acquisition times thereof. At this time, the situation estimation unit 121 grasps the movement pattern and movement range of the user from the position information of a certain period, and what the current position means for the user from the positional relationship between the current position information and the movement pattern. It is estimated as situation data. In addition, the situation estimation unit 121 calculates the movement speed from the difference in distance between the past position information and the current position information and the difference in acquisition time, and the movement state is determined based on the magnitude of the speed. Estimate as

  In addition, the log collection unit 110 collects a startup process and an execution time. At this time, the situation estimation unit 121 grasps the process startup pattern of the user from the startup process of a certain period, and based on the current time or the process startup pattern based on the process startup pattern based on the process startup pattern, Terminal operation frequency is estimated as situation data.

  In addition, the log collection unit 110 collects acceleration information. At this time, the situation estimation unit 121 estimates the current movement state of the user as situation data from the latest acceleration information.

  The information collation unit 131 of an arbitrary application performs information distribution according to the situation using the situation data acquired from the situation output unit 122 of the situation estimation application 120. More specifically, information according to the situation is sorted out by using one or more of the current action content of the user, the current usage frequency of the terminal, the current position of the user, and the movement situation content.

<Terminal processing>
Processing of the terminal according to the present embodiment will be described with reference to FIG.

  The log collection unit 110 collects user operation logs and sensor logs (step S110), and the situation estimation unit 121 of the situation estimation application 120 analyzes the collected logs and estimates the surrounding situation or the user usage situation (step S110). S120).

  Then, the situation output unit 122 of the situation estimation application 120 outputs the estimated result to any application 130 as a plurality of types of situation data that are symbols common to all users (step S130). The information matching unit 131 uses the situation data acquired from the situation output unit 122 of the situation estimation application 120 to sort out information according to the situation. Furthermore, specifically, information according to the situation is sorted out using one or more of the current action content of the user, the current usage frequency of the terminal, the current position of the user, and the content of the movement status (steps) S140).

  As described above, according to the present embodiment, the terminal user can transmit the direct log information related to privacy generated during use to the third party application that cannot be trusted without sending the user's direct log information. It is possible to acquire advanced information according to the situation. In addition, for third-party application vendors, it is possible to develop an application that can be classified according to advanced situations without acquiring a raw log of a user who requires strict management. Furthermore, since it is possible for the terminal user to provide only the processed information that cannot specify the personal profile, not the log itself, to the third party application, the safety can be confirmed.

<Second Embodiment>
A second embodiment of the present invention will be described with reference to FIGS. 3 and 4.
In addition, the invention according to the present embodiment trusts a sensor log that can directly read “actual position, movement, and behavior according to time” that makes it possible to identify an individual, and an execution process log that is not disclosed to third party applications. It is a system that analyzes by a possible method, converts it into a “situation” common to all users, and publishes this situation to a third party application. Specifically, instead of providing logs to insecure apps, the provision of logs is centralized in a secure situation providing platform. This gives the user peace of mind and also allows app vendors to take care of logging and manage without taking responsibility for managing the situation as a handy API and creating a smart app that matches the situation. become able to.

<Configuration of situation estimation system>
As shown in FIG. 3, the situation estimation system according to the present embodiment includes a log analysis device 200 and an application execution device 300, and the log analysis device 200 includes a log collection unit 210 and a situation estimation application 220. The situation estimation application 220 includes a situation estimation unit 221 and a situation output unit 222. The application execution device 300 includes an arbitrary application 310, and the arbitrary application 310 includes an information matching unit 311. Yes.

  The log collection unit 210 collects user operation logs and sensor logs and accumulates them together with an identifier for identifying the user. The log collection unit 210 permits only access from a situation estimation unit 221 of a situation estimation application 220 described later.

  The situation estimation unit 221 of the situation estimation application 220 analyzes a log collected by the log collection unit 210 and estimates a surrounding situation or a user usage situation. The situation output unit 222 outputs the estimation result from the situation estimation unit 221 to any application as situation data.

  The information collation unit 311 of an arbitrary application 310 receives an identifier for identifying the user being executed and uses the situation data from the situation output unit 222 to output information according to the situation.

  That is, for example, the log analysis device 200 is a server (a CDL recording device or the like) that accumulates past communication history, and has a situation estimation function for estimating a situation in which a terminal can be easily used from past communication history, For example, “is now free” or “not ready” is provided to the third party application as 222.

<Processing of the situation estimation system>
Processing of the situation estimation system according to the present embodiment will be described with reference to FIG.

  First, the log collection unit 210 of the log analysis device 200 collects user operation logs and sensor logs, accumulates them together with an identifier for identifying the user (step S210), and the situation estimation unit 221 analyzes the collected logs, The situation or the usage status of the user is estimated (step S220), and the situation output unit 222 outputs the estimation result from the situation estimation unit 221 to any application as situation data (step S230). The log analysis device 200 is assumed to be a smartphone held by the user himself or a wearable terminal such as a wrist watch or a pulse meter. However, the log analysis device is not held by the user, for example, in a communication base station of a mobile phone. It is also assumed that the log collection unit 210 acquires a communication / call log held by the communication base station, and the situation estimation unit 221 analyzes the communication / call log.

  Then, the information collation unit 331 of the arbitrary application 330 receives the identifier for identifying the user being executed, and outputs information according to the situation using the situation data from the situation output unit 222 (step S240).

  As described above, according to the present embodiment, the terminal user responds to the situation of the user without sending the privacy-related information itself generated during use to a third-party application that cannot be trusted. Advanced information acquisition is possible. In addition, for third-party application vendors, it is possible to develop an application that can be classified according to advanced situations without acquiring a raw log of a user who requires strict management. Furthermore, since it is possible for the terminal user to provide only the processed information that cannot specify the personal profile, not the log itself, to the third party application, the safety can be confirmed.

<Third Embodiment>
A third embodiment of the present invention will be described with reference to FIGS.
In addition, the invention according to the present embodiment trusts a sensor log that can directly read “actual position, movement, and behavior according to time” that makes it possible to identify an individual, and an execution process log that is not disclosed to third party applications. It is a system that analyzes by a possible method, converts it into a “situation” common to all users, and publishes this situation to a third party application. Specifically, instead of providing logs to insecure apps, the provision of logs is centralized in a secure situation providing platform. This gives the user peace of mind and also allows app vendors to take care of logging and manage without taking responsibility for managing the situation as a handy API and creating a smart app that matches the situation. become able to.

<Configuration of situation estimation system>
As shown in FIG. 5, the situation estimation system according to the present embodiment includes a log analysis device 400 and an application execution device 500, and the log analysis device 400 includes a log collection unit 410 and a situation estimation application 420. The situation estimation application 420 includes a situation estimation unit 421 and a situation output unit 422. The application execution device 500 includes an information verification application 510 and an arbitrary application 520. The information verification application 510 includes a terminal log. A collection unit 511 and an information collation unit 512 are provided, and an arbitrary application 520 has a second information collation unit 521.

  The log collection unit 410 receives an identifier for identifying a user being executed as an input, collects a user operation log and a sensor log from a terminal log collection unit 511, which will be described later, and accumulates them together with an identifier for identifying the user.

  The situation estimation unit 421 of the situation estimation application 420 analyzes the log collected by the log collection unit 410 and estimates the surrounding situation or the usage situation of the user. The situation output unit 422 outputs the estimation result from the situation estimation unit 421 as situation data to an arbitrary application. The status output unit 422 responds only to the information verification request from the information verification unit 512 of the application execution device 500 and does not respond to the status verification request from an application other than the information verification application 510 or from another application execution device. .

  The terminal log collection unit 511 of the information verification application 510 acquires an operation log and a sensor log associated with application execution, and transmits the acquired log and a user identifier using the terminal to the log analysis device 400. The information matching unit 512 inputs an identifier for identifying the user being executed to the status output unit 422 of the log analysis device 400, and uses the status data acquired from the status output unit 422 to sort out information according to the status. Acquire status information acquired by the information verification application to be performed. The information matching unit 521 of an arbitrary application 520 uses the situation data from the information matching unit 512 to sort out information according to the situation.

<Processing of the situation estimation system>
Processing of the situation estimation system according to the present embodiment will be described with reference to FIG.

  The terminal log collection unit 511 of the application execution device 500 acquires an operation log and a sensor log associated with application execution, transmits the acquired log and a user identifier using the terminal to the log analysis device 400 (step S310), and information verification The situation information acquired by the application is acquired (step S320).

  The log collection unit 410 of the log analysis device 400 collects user operation logs and sensor logs from the terminal log collection unit 511 using an identifier for identifying the user being executed as an input, and accumulates the collected user identifier and the identifier for identifying the user (step S330). ), The situation estimation unit 421 analyzes the collected logs, estimates the surrounding situation or the user's usage situation (step S340), and the situation output unit 422 uses the estimation result from the situation estimation unit 421 as situation data. Output to the application (step S350).

  Then, the application execution device 500 inputs an identifier for identifying the user being executed to the status output unit 422 of the log analysis device 400, and uses the status data acquired from the status output unit 422 to output information for each status. Divide and output to the second information matching unit 521 (step S360).

  As described above, according to the present embodiment, the terminal user responds to the situation of the user without sending the privacy-related information itself generated during use to a third-party application that cannot be trusted. Advanced information acquisition is possible. In addition, for third-party application vendors, it is possible to develop an application that can be classified according to advanced situations without acquiring a raw log of a user who requires strict management. Furthermore, since it is possible for the terminal user to provide only the processed information that cannot specify the personal profile, not the log itself, to the third party application, the safety can be confirmed.

  It should be noted that the processing of the terminal and the situation estimation system is recorded on a computer-readable recording medium, and the program recorded on the recording medium is read and executed by the terminal and the situation estimation system. An estimation system can be realized. The computer system here includes an OS and hardware such as peripheral devices.

  Further, the “computer system” includes a homepage providing environment (or display environment) if a WWW (World Wide Web) system is used. The program may be transmitted from a computer system storing the program in a storage device or the like to another computer system via a transmission medium or by a transmission wave in the transmission medium. Here, the “transmission medium” for transmitting the program refers to a medium having a function of transmitting information, such as a network (communication network) such as the Internet or a communication line (communication line) such as a telephone line.

  The program may be for realizing a part of the functions described above. Furthermore, what can implement | achieve the function mentioned above in combination with the program already recorded on the computer system, what is called a difference file (difference program) may be sufficient.

  The embodiments of the present invention have been described in detail with reference to the drawings. However, the specific configuration is not limited to the embodiments, and includes designs and the like that do not depart from the gist of the present invention.

100; Terminal 110; Log collection unit 120; Situation estimation application 121; Situation estimation unit 122; Situation output unit 130; Arbitrary application 131; Information collation unit 200; Log analyzer 210; Log collection unit 220; Situation estimation application 221; Situation estimation unit 222; Situation output unit 300; Application execution device 310; Arbitrary application 311; Information collation unit 400; Log analysis device 410; Log collection unit 420; Situation estimation application 421; Situation estimation unit 422; Application execution device 510; Information verification application 511; Terminal log collection unit 512; Information verification unit 520; Arbitrary application 521; Second information verification unit

Claims (9)

Has an application execution function such as a smartphone,
Log collection means for collecting operation logs and sensor logs,
Analyzing the collected logs and estimating the surrounding situation or the user's usage situation;
A situation output means for outputting the estimated result to an arbitrary application as a plurality of kinds of situation data which are symbols common to all users;
With
The terminal characterized in that the log collecting means rejects access from other than the situation estimating means. The log collecting means collects position information such as GPS and base station position information and their data acquisition time,
The situation estimation means grasps the movement pattern and movement range of the user from the position information of a certain period, and based on the current position information, determines the current position for the user from the positional relationship with the movement pattern. The terminal according to claim 1, wherein it is estimated as the situation data whether it has such meaning.   The situation estimation means calculates the moving speed from the position information between the past two points or the past position information and the current position information and the acquisition time of each position information data, and the magnitude, direction, or 2. The terminal according to claim 1, wherein a moving state or moving means is estimated as the situation data based on a change in speed. The log collecting means collects a startup process and an execution time,
The situation estimation means grasps the process startup pattern of the user from the startup process of a certain period, and based on the current time or the time relationship with the process startup pattern based on the process being started, the current user The terminal operation frequency according to claim 1, wherein the terminal operation frequency is estimated as the situation data. The log collecting means collects acceleration information,
The terminal according to claim 1, wherein the situation estimation unit estimates the current movement state of the user as the situation data from the latest acceleration information. A situation estimation application having the situation estimation means and a situation output means, and an application execution means for executing an arbitrary application,
The said arbitrary application is provided with the information collation means which sorts out information according to a situation using the said situation data acquired from the situation output means of a situation estimation application, Any one of Claims 1-5 characterized by the above-mentioned. The terminal according to   The information collation means uses one or more of the current action content of the user, the current frequency of use of the terminal, the current position of the user, and the content of movement status, to sort out information according to the situation. The terminal according to claim 6. It consists of a log analysis device and an application execution device.
The log analysis device
Log collection means for collecting user operation logs and sensor logs and storing them together with an identifier for identifying the user;
Analyzing the collected logs and estimating the surrounding situation or the usage situation of the user;
A situation output means for outputting an estimation result from the situation estimation means to any application as situation data;
With
The log collection means rejects log acquisition request access from other than the situation estimation means;
The application execution device includes an information collating unit that uses the situation data from the situation output unit as an input for an identifier that identifies a user who is executing the arbitrary application as an input, and outputs information according to the situation. A situation estimation system characterized by that. It consists of a log analysis device and an application execution device.
The application execution device
Acquire operation logs and sensor logs associated with the execution of the application, and acquire terminal log collection means for transmitting the acquired log and a user identifier for using the terminal to the log analysis device, and acquire status information acquired by the information verification application A terminal that executes the arbitrary application having a second information matching unit;
The log analysis device
Log collection means for collecting an operation log and a sensor log of the user from the terminal log collection means, and storing together with an identifier for identifying the user, with an identifier identifying the user being executed as input,
Analyzing the collected logs and estimating the surrounding situation or the usage situation of the user;
A situation output means for outputting an estimation result from the situation estimation means to any application as situation data;
With
The application execution device inputs an identifier for identifying the user being executed to the status output unit of the log analysis device, and uses the status data acquired from the status output unit to sort out information according to the status. And an information collating means for outputting to the second information collating means,
The status output unit of the log analysis device responds only to an information verification request from the information verification unit of the application execution device, and an application other than the information verification application or a status verification request from another application execution device A situation estimation system characterized by not answering.

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