WO2019181327A1 - Dispositif et procédé d'analyse d'informations - Google Patents

Dispositif et procédé d'analyse d'informations Download PDF

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Publication number
WO2019181327A1
WO2019181327A1 PCT/JP2019/006021 JP2019006021W WO2019181327A1 WO 2019181327 A1 WO2019181327 A1 WO 2019181327A1 JP 2019006021 W JP2019006021 W JP 2019006021W WO 2019181327 A1 WO2019181327 A1 WO 2019181327A1
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WO
WIPO (PCT)
Prior art keywords
facility
information
vehicle
unit
mobile body
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Application number
PCT/JP2019/006021
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English (en)
Japanese (ja)
Inventor
匡 栗原
穣 福森
佳昭 杉本
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本田技研工業株式会社
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Publication of WO2019181327A1 publication Critical patent/WO2019181327A1/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/29—Geographical information databases
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/90—Details of database functions independent of the retrieved data types
    • G06F16/903—Querying
    • G06F16/9035—Filtering based on additional data, e.g. user or group profiles
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/90—Details of database functions independent of the retrieved data types
    • G06F16/907—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
    • G06F16/909—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using geographical or spatial information, e.g. location
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q30/00—Commerce
    • G06Q30/02—Marketing; Price estimation or determination; Fundraising
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles

Definitions

  • the present invention relates to an information analysis apparatus and an information analysis method for performing information analysis for estimating a user preference of a mobile object based on a distance from a facility visited by the mobile object and a living base of the mobile object.
  • Patent Document 1 based on history data including a movement history of a moving object carried by a user, by calculating a stay location where the user stayed and a stay frequency there, For example, a technique for estimating a user profile such as a wide range of work-related activities from the distance between a work place or private place (facility position) and a home (base) is estimated by estimating the location where the user is based Has been.
  • a technique for issuing advertisements and coupons for urging customers to visit other facilities has been developed based on the user's visit to the facility.
  • a questionnaire or the like is often used as a means for grasping the user's preference, and there are many problems in terms of cost and quantity.
  • Patent Document 1 estimates the stay purpose of an area where people stayed from movement data, generates an individual action range composed of stay areas for each stay purpose, and moves within the action range. Relating the direction of the action range based on the amount and extracting the pattern of the people's action range, for example, by estimating the user's preference (user profile) in a facility such as a restaurant from the movement data, for example For example, it has not been possible to issue advertisements or coupons for urging the user to visit other facilities that have not been visited.
  • This invention is made in view of such a problem, and this invention is the information which estimates the user preference of the said mobile body based on the distance from the facility which the mobile body visited, and the living base of the said mobile body
  • An object of the present invention is to provide an information analysis apparatus and an information analysis method for performing analysis.
  • An information analysis apparatus for example, an information analysis apparatus 30 described later
  • includes a receiving unit for example, a “positional information database creation unit 311” described later
  • the moving object includes
  • a map information storage unit for example, “storage unit 32” to be described later
  • storage unit 32 for example, “storage unit 32” to be described later
  • map information storage unit for example, “storage unit 32” to be described later
  • map information storage unit for example, “storage unit 32” to be described later
  • map information storage unit for example, “storage unit 32” to be described later
  • map information storage unit for example, “storage unit 32” to be described later
  • storage unit for example, “storage unit 32” to be described later
  • transition of the position information of the mobile object From the life base estimation unit (for example, “life base estimation unit 312” to be described later) for estimating a life base position including any of the user's home, workplace, and school, the facility information from the position information of the moving object and the
  • the preference of the mobile user is estimated based on the distance from the base of the mobile user about the facility visited by the mobile body, and the profile information of the mobile user is created and updated. This makes it possible to estimate the user's preference more accurately using the position information.
  • the visited facility data creation unit for example, “visit facility data creation unit 313” described later
  • the mobile body visit data including the visit count is created
  • the user profile setting unit for example, “user profile setting unit 314” described later
  • the user profile of the mobile object may be set in consideration of the number of visits to the facility calculated by the department.
  • a mobile user who has visited many facilities far away from the mobile user's living base can determine that his / her preference for the category to which the facility belongs is higher.
  • the preference of the body user can be estimated more accurately.
  • the information analysis apparatus (for example, “information analysis apparatus 30” described later) described in (1) or (2) further stores facility information for distribution related to the facility, and stores it in the user profile of the mobile object. You may make it provide the facility information delivery part (for example, the "facility information delivery part 315" mentioned later) which distributes the facility information for delivery regarding the said facility contained in the said category with respect to the said mobile body.
  • the facility information delivery part for example, the "facility information delivery part 315" mentioned later
  • the mobile user since the facility information for distribution regarding the facility belonging to the category that matches the preference level of the mobile user can be distributed based on the user profile of the mobile user, the mobile user can The probability of visiting the facility can be increased.
  • the facility information distribution unit (for example, “facility information distribution unit 315” described later) is You may make it distribute the distribution facility information regarding the said facility located out of the 2nd predetermined range from the said living base position with respect to the said mobile body.
  • the information analysis method of the present invention includes a map information storage unit (for example, “storage unit 32” to be described later) that stores map information including a facility position and a category to which the facility belongs for a plurality of facilities that a mobile body can visit.
  • a map information storage unit for example, “storage unit 32” to be described later
  • an information analysis apparatus and an information analysis method for performing information analysis for estimating a user preference of a mobile object based on a distance from a facility visited by the mobile object and a living base of the mobile object. Can be provided.
  • FIG. 1 It is a block diagram which shows the basic composition of the whole information analysis system which is embodiment of this invention. It is a functional block diagram which shows the function structure of the vehicle-mounted navigation apparatus in embodiment of this invention. It is a figure which shows the example of the screen for request
  • FIG. 1 shows the overall configuration of the information analysis system 1.
  • the information analysis system 1 includes an in-vehicle navigation device 10, a portable terminal 20, an information analysis device 30, and an analysis information reference terminal 40. These devices and terminals are connected to each other via a communication network 50 so that they can communicate with each other.
  • a communication network 50 so that they can communicate with each other.
  • information transmitted and received by each device and each terminal is also illustrated, but these information are merely examples. In the present embodiment, information other than that illustrated may be transmitted and received.
  • the in-vehicle navigation device 10 is a device that performs navigation (route guidance) for a user who has boarded the vehicle 60a.
  • the in-vehicle navigation device 10 performs route guidance from the current position to the destination based on a user request.
  • the in-vehicle navigation device 10 also has a function of positioning position information of the in-vehicle navigation device 10 (that is, position information of the vehicle 60a).
  • the position information measured by the in-vehicle navigation device 10 is appropriately transmitted to the information analysis device 30.
  • the vehicle-mounted navigation device 10 can be realized by a car navigation device that can be installed and portable on a vehicle 60a that is a mobile body, or a PND (Portable Navigation Device) that is simply installed on the vehicle 60a that is a mobile body.
  • PND Portable Navigation Device
  • the mobile terminal 20 is a mobile terminal used by a user who gets on the vehicle 60b.
  • the portable terminal 20 has a function of positioning the position information of the portable terminal 20 (that is, the position information of the vehicle 60b), like the vehicle-mounted navigation device 10 described above.
  • the position information measured by the mobile terminal 20 is appropriately transmitted to the information analysis apparatus 30 in the same manner as the position information measured by the in-vehicle navigation device 10.
  • the mobile terminal 20 can be realized by a smartphone, a mobile phone, a tablet terminal, a notebook computer, or other portable electronic devices.
  • a set of the in-vehicle navigation device 10 and the vehicle 60a and a set of the mobile terminal 20 and the vehicle 60b are illustrated, but the number of these sets is not particularly limited.
  • the alphabet at the end is simply omitted, This is called “vehicle 60”.
  • the information analysis apparatus 30 is an apparatus that performs a process of analyzing the preference of the mobile user based on the distance between the facility visited by the mobile user and the living base of the mobile user, which is a process specific to the present embodiment. .
  • the information analysis device 30 acquires the position information of each vehicle 60 from the in-vehicle navigation device 10 and the portable terminal 20, thereby creating a position information database that is a database for the position information of each vehicle 60. Then, the information analysis apparatus 30 statistically analyzes the created location information database, thereby specifying the visited facility visited, the user's living base, the distance between the two, the number of visits, and the like for each vehicle 60.
  • the information analysis apparatus 30 creates a user profile of the user related to the category to which the visited facility belongs based on the identified visited facility, the user's living base, the distance between them, the number of visits, and the like. Based on the created user profile, the distribution destination of the facility information of the facility related to the category is determined, and the facility information is distributed to the distribution destination. The detailed contents of these analysis information and analysis conditions will be described later.
  • the information analysis device 30 can be realized by a server system including, for example, one or more computers.
  • the communication network 50 is realized by a network such as the Internet or a mobile phone network, or a network combining these. Further, a LAN (Local Area Network) may be included in a part of the network (for example, between the information analysis apparatus 30 and the analysis information reference terminal 40).
  • a LAN Local Area Network
  • the vehicle 60 is a moving body on which a user of the in-vehicle navigation device 10 or the mobile terminal 20 gets on.
  • the vehicle 60 is realized by, for example, a four-wheeled vehicle, a motorcycle, a bicycle, or the like.
  • the in-vehicle navigation device 10 is supplied with power from the vehicle 60a, and automatically starts when the ignition switch of the vehicle 60a is turned on (starts the engine) by the user who gets on the vehicle 60a. And the vehicle-mounted navigation apparatus 10 is operated until the ignition switch of the vehicle 60a is turned off (the engine is stopped) by the user who gets on the vehicle 60a.
  • the in-vehicle navigation device 10 includes a control unit 11, a storage unit 12, a communication unit 13, a sensor unit 14, a display unit 15, and an input unit 16.
  • the control unit 11 includes an arithmetic processing device such as a microprocessor, and controls each unit constituting the in-vehicle navigation device 10. Details of the control unit 11 will be described later.
  • the storage unit 12 is configured by a semiconductor memory or the like, and is used for performing a control program called firmware or an operating system, a program for performing route guidance processing, and transmission processing of position information to the information analysis device 30.
  • a control program called firmware or an operating system
  • a program for performing route guidance processing and transmission processing of position information to the information analysis device 30.
  • Each program such as a program and various other information such as map information are stored.
  • position information 121 and identification information 122 which are information related to the transmission process of position information, are illustrated.
  • the position information 121 is position information of the in-vehicle navigation device 10 (that is, position information of the vehicle 60a) measured by the sensor unit 14 described later.
  • the position information 121 may include not only information indicating the position where the position is determined, but also the time when the position is measured.
  • the identification information 122 is information for identifying the in-vehicle navigation device 10.
  • a serial number uniquely assigned to the in-vehicle navigation device 10 can be used.
  • the telephone number assigned to the SIM (Subscriber Identity Module) inserted in the communication unit 13 in order for the communication unit 13 to connect to the communication network 50 such as a mobile phone network is used as the identification information 122.
  • a VIN vehicle identification number
  • a license plate number uniquely assigned to the vehicle 60 a can be used as the identification information 122.
  • Each piece of information stored in the storage unit 12 may be stored in the storage unit 12 in advance, or as necessary from a server device (not shown) connected to the communication network 50. May be downloaded as appropriate. Furthermore, it may be appropriately modified according to user input or the like.
  • the communication unit 13 includes a DSP (Digital Signal Processor) or the like, and is compliant with a standard such as 3G (3rd Generation) LTE (Long Term Evolution) or Wi-Fi (registered trademark) via the communication network 50. Wireless communication with other devices (for example, the information analysis device 30) via 50 is realized.
  • the communication unit 13 is used by a position information transmission unit 112 described later to transmit the position information 121 and the identification information 122 stored in the storage unit 12 to the information analysis device 30.
  • data transmitted and received between the communication unit 13 and other devices is not particularly limited, and information other than the position information 121 and the identification information 122 may be transmitted and received.
  • the sensor unit 14 includes, for example, a GPS (Global Positioning System) sensor, a gyro sensor, an acceleration sensor, and the like.
  • the sensor unit 14 has a function as position detecting means for detecting position information, receives a GPS satellite signal by a GPS sensor, and measures position information (latitude and longitude) of the in-vehicle navigation device 10. Positioning by the sensor unit 14 is performed at a predetermined time interval (for example, every 3 seconds) as described above. Positioned position information is stored in the storage unit 12 as position information 121. Note that the sensor unit 14 can further increase the positioning accuracy of the position information of the in-vehicle navigation device 10 based on the angular velocity measured by the gyro sensor or the acceleration sensor or the acceleration.
  • the sensor unit 14 uses AGPS (Assisted Global Positioning System) communication, and the position information of the in-vehicle navigation device 10 based on the base station information acquired from the communication unit 13. Can also be calculated.
  • the sensor part 14 is not restricted to the structure containing all the sensors mentioned above.
  • a part or all of the sensors described above may be included in an in-vehicle sensor (not shown) mounted on the vehicle 60a.
  • the control unit 11 may receive a signal from the in-vehicle sensor, or may receive information detected by the in-vehicle sensor from an ECU (Electronic Control Unit) of the vehicle 60a.
  • ECU Electronic Control Unit
  • the display unit 15 is configured by a display device such as a liquid crystal display or an organic electroluminescence panel.
  • the display unit 15 displays an image in response to an instruction from the control unit 11. Examples of information displayed by the display unit 15 include the current position of the in-vehicle navigation device 10, map information around the current position of the in-vehicle navigation device 10 read from the position information 121, a destination set by the user, and other information.
  • the waiting information notified from the vehicle-mounted navigation device 10, route information, various user interfaces, and the like can be mentioned.
  • the input unit 16 includes a physical switch called a numeric keypad, an input device (not shown) such as a touch panel provided on the display surface of the display unit 15, and the like.
  • a signal based on an operation input from the input unit 16 for example, a numeric keypad pressed by the user or a touch on the touch panel, to the control unit 11, a selection operation by the user, an operation such as map enlargement or reduction can be realized. it can.
  • a speaker, a microphone, or the like can be provided.
  • the speaker outputs a sound to the driver, and the microphone collects a sound emitted by the driver.
  • the microphone collects a sound emitted by the driver.
  • the control unit 11 includes a microprocessor having a CPU (Central Processing Unit), a RAM (Random Access Memory), a ROM (Read Only Memory), an I / O (Input Output / Output), and the like.
  • the CPU executes each program read from the ROM or the storage unit 12, reads information from the RAM, ROM, and the storage unit 12 at the time of execution, and writes information to the RAM and the storage unit 12. It exchanges signals with the communication unit 13, the sensor unit 14, the display unit 15, and the input unit 16. In this way, the processing in this embodiment is realized by the cooperation of hardware and software (program).
  • the control unit 11 includes a route guide unit 111, a location information transmission unit 112, and a facility information acquisition unit 113 as functional blocks.
  • the route guidance unit 111 is a part that performs route guidance processing to a destination such as a facility input or selected by the user.
  • the route guidance process to the destination is equivalent to the route guidance process in a general car navigation system. That is, the route guidance unit 111 generates a map to the destination based on the map information (not shown) stored in the storage unit 12, and the vehicle-mounted navigation measured by the sensor unit 14 on this map.
  • Route guidance can be performed by superimposing the current position of the device 10, the position of the destination, and the route information to the destination and displaying this on the display unit 15. In this case, route guidance sound may be output from a speaker (not shown).
  • information on road congestion, weather information, and the like may be acquired through communication by the communication unit 13, and the acquired information may be used for route guidance processing.
  • route guidance processing to the destination is well known to those skilled in the art, and thus further detailed description is omitted.
  • the position information transmission unit 112 is a part that transmits the position information 121 and the identification information 122 stored in the storage unit 12 to the information analysis device 30 by wireless communication using the communication unit 13.
  • the position information transmission unit 112 transmits the position information 121 and the identification information 122 to the information analysis device 30 by turning on the ignition switch of the vehicle 60a (starting the engine) by the user who gets on the vehicle 60a. This is periodically performed after the automatic activation until the ignition switch of the vehicle 60a is turned off (the engine is stopped). For example, transmission is performed in real time whenever the sensor unit 14 performs positioning at a predetermined time interval (for example, every 3 seconds).
  • a plurality of them are collected together (for example, the positional information 121 updated at intervals of 3 seconds and the identification information 122 are collected together for 3 minutes) and transmitted at a time. You may make it do. That is, so-called burst transmission may be performed.
  • the length of the predetermined time interval and whether to transmit in real time or burst transmission can be arbitrarily set according to the environment to which the present embodiment is applied. In this way, by performing real-time transmission or burst transmission, the position information transmission unit 112 obtains position information 121 for identifying the moving route of the vehicle 60a measured by the sensor unit 14 and identification information 122 as information. It transmits with respect to the analyzer 30.
  • the information switch is set with the position specified by the position information 121 measured immediately after the ignition switch is turned on (engine is started) and the in-vehicle navigation device 10 is automatically started as the first vehicle position, that is, the starting position. 30 can be transmitted. Furthermore, the position specified by the position information 121 measured immediately before the ignition switch is turned off (engine stop) can be transmitted to the information analysis apparatus 30 as the final vehicle position, that is, the parking position. In this case, after adding the position information 121 indicating the departure position or the position information 121 indicating the stop position (for example, setting a flag indicating these to 1) to the position information 121. The information may be transmitted to the information analysis device 30. For the position information 121 (that is, the stop position) measured immediately before the ignition switch is turned off (engine stop), when the ignition switch is turned on (engine started) and the vehicle-mounted navigation device 10 is started again. May be sent to.
  • the route guidance unit 111 determines that the vehicle 60a has arrived at a destination such as a facility
  • the position information transmission unit 112 performs transmission in real time. It is good to switch. In this way, after arriving at the destination such as the facility, before the location information 121 of the destination such as the facility is transmitted, the ignition switch is turned off (engine stopped), and the location of the destination such as the facility is detected. A situation in which the information 121 is not transmitted to the information analysis apparatus 30 can be prevented.
  • the facility information acquisition unit 113 receives and acquires facility information of the facility from the information analysis device 30. And the facility information acquisition part 113 can provide a user with the facility information acquired from the information analysis apparatus 30, for example by outputting to the display part 15. Specifically, when the user moves by driving the vehicle 60a, the facility information acquisition unit 113 uses the information analysis device 30 to identify the user's user profile information created by the information analysis device 30. It is possible to receive and acquire facility information relating to facilities that are estimated to match the preferences. As will be described later, the facility information acquisition unit 113 operates when the user drives the vehicle 60a and moves in the vicinity of the facility estimated by the information analysis device 30 to match the user's preference. May be received and acquired.
  • the facility information acquisition unit 113 may display, for example, a “facility information distribution start ON” button on the display unit 15 as illustrated in FIG. 3A. By doing so, when the facility information distribution start is turned on by a touch operation of the button by the user, the facility information acquisition unit 113 sends an information distribution start request to the information analysis device 30 via the communication unit 13. Can be configured to transmit to. By doing so, the facility information acquisition unit 113 can receive and acquire the facility information distributed from the information analysis device 30. Note that the facility information acquisition unit 113 may receive and acquire facility information from the information analysis device 30 by turning on the default of facility information distribution start.
  • the facility information acquisition unit 113 displays the location of the facility distributed on the map around the current position of the vehicle 60a on the display unit 15, for example, as shown in FIG. 3B. Can be displayed. Further, the facility information is displayed on the display unit 15 as shown in FIG. 3C. 3B and 3C exemplify a case where there is one facility, but when distribution information related to a plurality of facilities is distributed, the facility information acquisition unit 113 is operated by a user's screen switching operation or the like. By displaying the facility information in a scrollable manner on the display unit 15, the user may be allowed to select a facility that he / she wants to visit.
  • the configuration of the in-vehicle navigation device 10 has been described above.
  • the vehicle-mounted navigation device 10 described above receives power supply from the vehicle 60a, but the mobile terminal 20 receives power supply from a battery (not shown) included in the mobile terminal 20 itself.
  • the portable terminal 20 may be supplied with power from a cigar socket or the like of the vehicle 60b in order to charge the battery.
  • the mobile terminal 20 includes a control unit 21, a storage unit 22, a communication unit 23, a sensor unit 24, a display unit 25, an input unit 26, and a short-range communication unit 27.
  • storage part 22, the communication part 23, the display part 25, and the input part 26 have a function equivalent to the functional block of the same name which the vehicle-mounted navigation apparatus 10 mentioned above contains. That is, by replacing the term “in-vehicle navigation device 10” in the description of the in-vehicle navigation device 10 with “portable terminal 20”, the description of each functional block of the portable terminal 20 will be omitted.
  • the sensor unit 24 is not limited to the configuration including all the sensors included in the sensor unit 14.
  • the sensors may be included in an in-vehicle sensor (not shown) mounted on the vehicle 60b.
  • the control unit 21 may receive a signal from the in-vehicle sensor, or may receive information detected by the in-vehicle sensor from an ECU (Electronic Control Unit) of the vehicle 60b.
  • ECU Electronic Control Unit
  • the near field communication unit 27 performs non-contact near field communication based on standards such as NFC (Near Field Communication) and Bluetooth (registered trademark), or wired near field communication via a USB (Universal Serial Bus) cable or the like. It is a part for.
  • the vehicle 60 b includes a near field communication unit for communicating with the near field communication unit 27.
  • the ECU (Electronic Control Unit) of the vehicle 60b includes a short-range communication unit.
  • the case where the portable terminal 20 can communicate with ECU by near field communication is a case where the portable terminal 20 exists in the vehicle 60b. In this case, the position information measured by the sensor unit 24 of the mobile terminal 20 corresponds to the position information of the vehicle 60b.
  • the mobile terminal 20 activates the position information transmission unit 212 while it can perform near field communication with the ECU via the near field communication unit 27. Then, the activated position information transmission unit 212 is similar to the position information transmission unit 112 of the in-vehicle navigation device 10, and the position information 221 for identifying the movement route of the vehicle 60 b measured by the sensor unit 24 and the identification information 222. Is transmitted to the information analysis device 30.
  • the vehicle 60b and the mobile terminal 20 are connected (paired), and the mobile terminal 20 Positioned position information 221 and identification information 222 are transmitted from the portable terminal 20 to the information analysis device 30.
  • the position specified by the position information 121 measured immediately after the pairing of the vehicle 60b and the portable terminal 20 can be transmitted to the information analysis apparatus 30 as the first vehicle position, that is, the starting position.
  • the start switch of the vehicle 60b such as an ignition switch
  • the pairing between the vehicle 60b and the portable terminal 20 is released.
  • the position specified by the position information 121 measured immediately before being released can be transmitted to the information analysis apparatus 30 as the final vehicle position, that is, the parking position.
  • transmission may be performed in real time, burst transmission may be performed, burst transmission may be switched to real time transmission when it is determined that the destination has been reached, or departure position Or the point which may add the information which shows that it is a parking position, and the point which may transmit a parking position at the time of restart are the same as that of the position information transmission part 112.
  • the position information measured by the vehicle 60b is transmitted to the information analysis apparatus 30 as position information 121 instead of the position information measured by the sensor unit 24. You may do it. In this case, the sensor unit 24 may be omitted from the mobile terminal 20.
  • the information analysis device 30 includes a control unit 31, a storage unit 32, and a communication unit 33.
  • the control unit 31 includes an arithmetic processing device such as a microprocessor, and controls each unit constituting the information analysis device 30. Details of the control unit 31 will be described later.
  • the storage unit 32 is configured by a semiconductor memory or the like, and stores various programs such as control programs called firmware and operating system, programs for performing information analysis processing, and various other information such as map information. Is done. In the figure, as information stored in the storage unit 32, map information 321, position information database 322, and facility information 323 relating to facilities, which are information relating to analysis processing of position information, are illustrated.
  • the map information 321 includes information on features such as roads and facilities, information such as road information, facility position information, and parking lot information.
  • the map information 321 also includes display map data for displaying backgrounds such as roads and road maps, position information of nodes (eg, road intersections, inflection points, end points, etc.) and their type information, Road network data including link cost data regarding link position information and its type information, which is a route connecting nodes, cost information (for example, distance, required time, etc.) of all links, and the like are included.
  • road information so-called road map information such as road types and traffic lights is stored.
  • location information of each facility is stored as latitude and longitude information.
  • the facility location information may include facility information related to facility identification information (facility ID), name, facility category (facility type and / or facility genre), and the like.
  • the parking lot information the location information of the parking lot is stored as latitude and longitude information. When the parking lot is a parking lot of each facility, the facility and the parking lot are linked and stored.
  • the map information 321 may be stored in advance in the storage unit 32, or may be downloaded as appropriate from a server device (not shown) connected to the communication network 50 as necessary. . Furthermore, it may be appropriately modified according to user input or the like.
  • the location information database 322 is a database constructed based on the location information 121, the location information 221, the identification information 122, and the identification information 222 received from the in-vehicle navigation device 10 and the mobile terminal 20, respectively.
  • the position information database 322 is constructed by a position information database creation unit 311 described later. Details of the position information database 322 will be described later when the position information database creation unit 311 is described.
  • position information when the position information 121 and the position information 221 are described without being distinguished, the reference numerals are omitted and referred to as “position information”.
  • the identification information 122 and the identification information 222 are described without being distinguished, the reference numerals are omitted and referred to as “identification information”.
  • the facility information 323 includes facility identification information (facility ID), name, and facility category as basic information, and distribution facility information 3231 (not shown) regarding the facility.
  • the distribution facility information 3231 includes, for example, a telephone number, an address, business hours, a menu provided if the facility is a restaurant, a menu provided if the facility is a restaurant, a product service, etc. in addition to basic information Information, facility advertisement information, etc. may be included. Further, the distribution facility information 3231 may include facility privilege information (for example, discount information on products or services, coupon information, or point information). Further, the distribution facility information 3231 related to the facility may be stored in advance, or may be appropriately created and updated as necessary from a terminal device (not shown) connected to the communication network 50 or the like. .
  • the distribution facility information 3231 may be configured so as to be appropriately created and updated from a terminal device (not shown) installed in the facility, for example, according to the input of the manager of the facility.
  • the facility category will be described.
  • the present invention relates to the facility category of the mobile user by estimating that the mobile user has a high preference for the facility category to which the facility belongs from a visit to the facility located far from the living base location. User profile is calculated. Therefore, as the category, a category that can more clearly indicate the user's preference level is preferable. Taking a Chinese restaurant as an example, a facility where the user's preference for Chinese cuisine becomes clearer, such as Chinese (Sichuan cuisine) and Chinese (Dim Sum), rather than a Chinese restaurant as one category. Categories are preferred. By doing so, based on the facility category associated with the user profile, it is possible to distribute information with higher accuracy. In the present invention, the facility category is arbitrarily set as necessary.
  • the communication unit 33 includes a DSP (Digital Signal Processor) and the like, and is compliant with a standard such as 3G (3rd Generation) LTE (Long Term Evolution) or Wi-Fi (registered trademark) via the communication network 50. Wireless communication with other devices via 50 is realized.
  • the communication unit 33 is used, for example, to receive position information and identification information transmitted from each of the in-vehicle navigation device 10 and the mobile terminal 20.
  • the communication part 33 is utilized in order to transmit facility information with respect to each of the vehicle-mounted navigation apparatus 10 and the portable terminal 20, for example.
  • data transmitted and received between the communication unit 33 and other devices is not particularly limited, and information other than these pieces of information may be transmitted and received.
  • the control unit 31 includes a microprocessor having a central processing unit (CPU), a random access memory (RAM), a read only memory (ROM), and an input / output (I / O).
  • the CPU executes each program read from the ROM or the storage unit 32, reads information from the RAM, ROM, and the storage unit 32 at the time of execution, and writes information to the RAM and the storage unit 32. It exchanges signals with the communication unit 33, the sensor unit 34, the display unit 35, and the input unit 36. In this way, the processing in this embodiment is realized by the cooperation of hardware and software (program).
  • control unit 31 causes the information analysis apparatus 30 to function as predetermined means (hereinafter collectively referred to as “information analysis control unit”) by executing each program. Further, the control unit 31 causes the information analysis apparatus 30 to execute predetermined steps (hereinafter collectively referred to as “information analysis control step”) by executing each program.
  • information analysis control step predetermined steps
  • functions of the control unit 31 will be described from the viewpoint of the information analysis control unit. Note that the description based on the viewpoint of the information analysis control step (method) can be described by substituting “step” with “part”, and thus will be omitted.
  • the control unit 31 includes a location information database creation unit 311, a living base estimation unit 312, a visit facility data creation unit 313, a user profile setting unit 314, and a facility information distribution unit 315 as functional blocks.
  • the position information database creation unit 311 receives identification information, position information, time information, and the like of the vehicle 60 from each vehicle 60 via the communication unit 33. Furthermore, the location information database creation unit 311 constructs the location information database 322 based on the identification information, location information, time information, and the like received from each vehicle 60, and appropriately creates and updates it. Before describing the position information database creation unit 311, an example of the data structure of the position information database 322 will be described first.
  • the position information database 322 includes “position information” and “identification information” received from each of the in-vehicle navigation device 10 and the mobile terminal 20 as described above. Specifically, position information, time information, and the like periodically transmitted from when the vehicle 60 is turned on until when the vehicle is turned off (that is, from departure to arrival) are managed for each identification information of the vehicle 60. It is stored in a movement history record (not shown). In this way, the movement history record stores information on the current position that is sequentially received from the vehicle 60. The reception may be received once every few seconds, stored in time series on the vehicle 60 side, and received together at a certain time or when the application is activated on the vehicle 60 side. May be.
  • a movement history record as a temporary record of the positional infomation database 322 as a record in which a visiting facility is undetermined.
  • the departure facility ID corresponding to the departure position and the visit facility ID corresponding to the arrival position are respectively converted into map information based on the map information 321 and the facility position information in the storage unit 32.
  • the departure facility ID and the arrival facility ID can be specified by comparing with the included facility information.
  • the travel history record is stored as a record in the location information database including the visited facility information by determining the visited facility as the arrival position.
  • the location information database 322 is identified by the location information database creation unit 311 based on the “location information” received from each of the in-vehicle navigation device 10 and the mobile terminal 20 as described above. including. As described above, the “visiting facility” includes undetermined data when the vehicle 60 is moving. Then, the location information database creation unit 311 constructs and updates the location information database 322 by storing information corresponding to each attribute in the field.
  • the “visit facility” in the location information database 322 is used for identifying a place (for example, a facility, a workplace, a school, etc.) where the user has arrived and stayed with the vehicle 60 except when the vehicle 60 is moving. Information.
  • the location information database creation unit 311 can specify the visiting facility from the location information received together with the identification information. For example, as described above, consider a case where the position information includes information indicating the parking position.
  • the parking position is compared with the position of each facility included in the map information 321 (and the position of the parking lot associated with the facility), and the specified parking position and the position of any facility (and the facility) If the locations of the parking lots associated with each other match, it is determined that the user has arrived at this facility by the vehicle 60 and stayed there. Then, the facility identification information (facility ID) included in the map information 321 is stored in the visited facility field in the location information database 322.
  • the position information does not include information indicating the parking position, for example, the position corresponding to the position information received last until the transmission of the position information is terminated. It is also possible to identify a visiting facility by regarding a position that does not change over time as a parking position and comparing it with the position of each facility (and the position of the parking lot associated with the facility). Further, if the position information does not include information indicating the parking position, for example, a facility set as a destination in route guidance can be specified as a visiting facility.
  • the degree of “coincidence” between the parking position described above and the facility position may be arbitrarily determined.
  • the range for determining coincidence may be narrowed.
  • the range for determining the coincidence may be widened. In other words, it may be determined that there is a match even when the position is slightly shifted.
  • the “identification information” in the position information database 322 is information for identifying the in-vehicle navigation device 10 or the portable terminal 20 that is the transmission source of the position information as described above. That is, the information identifies the vehicle 60 corresponding to the in-vehicle navigation device 10 or the mobile terminal 20.
  • the position information database creation unit 311 stores the identification information received together with the position information in the field.
  • the “departure position” in the position information database 322 is a departure position on the movement route when moving to the visited facility.
  • the location information database creation unit 311 identifies the departure location from the location information received together with the identification information. For example, as described above, if the position information includes information indicating the starting position, the starting position is specified by this information. In addition, if the position information does not include information indicating the departure position, for example, the position corresponding to the first received position information from the start to the end of transmission of the position information is the departure position. Can also be considered.
  • the location information database creation unit 311 identifies whether the departure location is a facility (and a parking lot linked to the facility) included in the map information 321 based on the departure location identified in this way. be able to.
  • the living base estimation unit 312 determines the departure position as the user when the first departure position of each day in the past is frequently the same position, for example.
  • the home position can be estimated.
  • map the stop It can be estimated that the user's workplace or school or the like.
  • the “position information” in the position information database 322 is all position information that changes discretely in time from the departure position to the parking position on the travel route when visiting the visited facility.
  • the “location information” in the location information database 322 is linked to the location information from the first departure location to the visited facility.
  • the position information database creation unit 311 stores all received position information in the field from the start to the end of transmission of position information.
  • the position information database creation unit 311 is created based on the received position information and identification information from the start to the end of transmission of the position information and identification information from any of the in-vehicle navigation device 10 and the mobile terminal 20.
  • the position information database 322 is updated based on the movement history record to be performed.
  • the living base estimation unit 312 refers to the past movement history of the position information in the position information database 322 based on the identification information of the vehicle 60 received from the traveling vehicle 60, so that the vehicle 60 living base positions (for example, positions such as a home position, a workplace, or a school) are estimated. More specifically, based on the position information database 322, the living base estimation unit 312 determines the departure position of the user when the frequency at which the first departure position in the past is the same position is high, for example. It can be estimated as the home position.
  • the stop position is displayed as map information It can be estimated that the user's workplace or school or the like.
  • the degree of “coincidence” at the same position as described above may be arbitrarily determined as described above.
  • the in-vehicle navigation device 10 or the mobile terminal 20 can measure the position information with high accuracy, the range for determining coincidence may be narrowed.
  • the in-vehicle navigation device 10 and the portable terminal 20 cannot measure the position information with high accuracy, the range for determining the coincidence may be widened. That is, it may be determined that the stop positions coincide even when the positions are slightly shifted.
  • the position information database creation unit 311 may determine the living base position of the vehicle 60.
  • the visiting facility data creation unit 313 determines the set of visiting facilities visited by each vehicle 60 within a predetermined period based on the position information database 322, thereby identifying the identification information of the vehicle 60 and the predetermined period.
  • the mobile visit data representing the correspondence with the set of visiting facilities by category of the facility visited by the vehicle 60 is created. More specifically, the visit facility data creation unit 313 visits the visit facilities visited by each vehicle 60 within a predetermined period for each facility category, the visit facility ID of the visit facility, and the number of visits that visited the facility within the predetermined period. Etc. are calculated. In addition to the number of visits, the visit date and time, stay time, etc. may be calculated for each visit.
  • the visiting facility data creation unit 313 corresponds to the identification number of the vehicle 60, the facility ID of the visiting facility visited by the vehicle 60 within the predetermined period, and the visit that visited the facility within the predetermined period.
  • Mobile visit data in which the number of times is associated can be created for each category of facility.
  • the visit facility data creation unit 313 may add detailed data such as the visit date and time and the stay time for each visit of the visit facility.
  • By calculating the number of visits to facilities belonging to the category for each category it can be determined that the user's preference of the vehicle 60 for the facility belonging to the category is higher. It is possible to more accurately estimate the preference of the mobile user for the facility.
  • Further, by analyzing the visit date and time of each visit, the stay time, etc. it is possible to grasp the tendency of the time zone for visiting the facility belonging to the category of the mobile user.
  • the user profile setting unit 314 determines that the location of the visit facility is the mobile body of the vehicle 60 based on the mobile body visit data created for each facility category created by the visit facility data creation unit 313. A subset of mobile visit data relating to a visit facility located far from any living base position of the user is created. More specifically, the user profile setting unit 314 has a first predetermined range in which, for each mobile user, the location of the visiting facility is set in advance from any living location of the user of the vehicle 60 for each category of facility. A subset list composed of mobile visit data that associates the facility ID of the visiting facility located outside, the facility name, the number of visits that visited the facility within a predetermined period, and the like is created.
  • the first predetermined range can be an arbitrary size.
  • N 1 [km] N 1 is an arbitrary positive value
  • a range in which the travel distance on the road from the user's living base position of the vehicle 60 to the facility is N 1 [km] may be set as the first predetermined range.
  • the first predetermined range may be determined based on the required travel time from the living base position of the user of the vehicle 60 to the visiting facility position.
  • the size of the first predetermined range can be set as appropriate.
  • the user profile setting unit 314 for each mobile user, visits the mobile body visit data related to a facility located far from the living base position of the mobile user visited by the mobile user within a predetermined period. Can be set for each facility category (in consideration of the number of visits to facilities belonging to the facility category). By doing so, it is possible to determine the preference level of the mobile user for each facility category by referring to the user profile related to the facility category. For example, when a mobile user visits many facilities far from his / her living base, it can be determined that the preference for the facility category to which the facility belongs is higher, and the mobile user's preference is further increased It can be estimated accurately.
  • the facility information distribution unit 315 sets, for each mobile user, a facility category that is estimated to have high preference for the mobile user based on the user profile set by the user profile setting unit 314 and related to the facility category. Information on the facility to which the user belongs is distributed to the mobile user. In this case, based on the user profile related to the facility category, the facility information for distribution of any facility belonging to the facility category where the mobile user visits frequently may be preferentially distributed. By doing so, the probability that the mobile user visits the facility can be further increased.
  • the facility information distribution unit 315 is a facility that is estimated to have a high preference level based on the user profile related to the facility category set by the user profile setting unit 314 for each mobile user, for example, When a mobile user frequently visits a facility located far away for the facility category, the mobile user is not likely to belong to the facility category that is located near his / her living location. Since there is a high possibility that it is not a preference, by limiting the facility information for distribution to facilities located outside the second predetermined range from the living base, it is possible to further increase the probability that the mobile user will visit the facility. .
  • the second predetermined range may be the same as the first predetermined range, or may be set arbitrarily.
  • each functional unit included in the information analysis apparatus 30 may be distributed in a single computer or a large number of computers in one place or distributed in several places and interconnected by a communication network. Can be deployed to run. It can also be configured using a plurality of virtual computers on the cloud.
  • FIG. 7 is a flowchart showing operations at the time of collecting position information and updating the position information database.
  • FIG. 8 is a flowchart which shows the operation
  • the position information transmission unit 112 determines whether or not to start transmission of position information (step S11).
  • transmission is started when the ignition switch of the vehicle 60a is turned on. If the ignition switch remains off (No in step S11), transmission by position information transmission unit 112 is not started. On the other hand, when the ignition switch is turned on (Yes in step S11), the process proceeds to step S12.
  • step S12 the sensor unit 14 acquires position information by measuring the position of the in-vehicle navigation device 10 (step S12).
  • the position information transmission unit 112 acquires position information from the sensor unit 14, and performs real-time transmission or burst transmission of the acquired position information to the information analysis apparatus 30 at a predetermined cycle (step S13).
  • step S14 the location information database creation unit 311 of the information analysis device 30 creates and updates a movement history record in the location information database 322 based on the location information transmitted in step S13.
  • the position information transmission unit 112 determines whether or not to end the transmission of the position information (step S15). As described above, transmission ends when the ignition switch of the vehicle 60a is turned off. If the ignition switch of vehicle 60a remains on (No in step S15), the positioning in step S12, the transmission in step S13, and the creation and update of the movement history record in position information database 322 in step S14 are repeated.
  • step S15 when the ignition switch of the vehicle 60a is turned off (Yes in step S15), the process proceeds to step S16.
  • step S ⁇ b> 16 the location information database creation unit 311 of the information analysis device 30 updates the location information database 322 (visit facility) by determining the visited facility of the movement history record when transmission of the location information ends.
  • the position information transmission unit 112 is replaced with the position information transmission unit 212
  • the sensor unit 14 is replaced with the sensor unit 24, and the criterion of Yes in step S11 is “vehicles such as an ignition switch”.
  • 60b is turned on and the vehicle 60b and the portable terminal 20 are paired "
  • the criterion of Yes in step S14 is" the start switch of the vehicle 60b such as an ignition switch is turned off and the vehicle 60b and the portable terminal 20 are carried.
  • step S ⁇ b> 21 the control unit 31 extracts a movement history record of the vehicle 60 within a predetermined period set in advance from the position information database 322 based on the identification information of the vehicle 60.
  • the predetermined period is input in advance.
  • step S ⁇ b> 22 the living base estimation unit 312 estimates the user's living base position based on the movement history of the vehicle 60.
  • the visited facility data creation unit 313 extracts, for each visited facility i visited by the vehicle 60, a subset Si (1 ⁇ i ⁇ n) of the movement history record having the visited facility i as an arrival position.
  • i is a natural number satisfying 1 ⁇ i ⁇ n and is an index for identifying each visited facility.
  • the visiting facility data creation unit 313 sorts the movement history records based on the visiting facility IDs, so that for each visiting facility i, a subset Si (1 ⁇ i) of moving records having the visiting facility i as the arrival position. ⁇ n) can be extracted.
  • the category C (i) of the facility i is calculated.
  • the visiting facility data creation unit 313 associates the facility ID of the visiting facility i visited by the vehicle 60 within a predetermined period with the number of visits Ni that visited the facility within the predetermined period. Organize Pi by category of facility i. That is, when the category to which the facility i belongs and the category to which the facility j (j ⁇ i) belong are the same, the mobile visit data Pi related to the facility i and the mobile visit data Pj related to the facility j are related to the same category. Can be summarized as:
  • step S26 the user profile setting unit 314 determines, for each category created in step S25, the position of the facility i corresponding to each mobile visit data Pi (1 ⁇ i ⁇ n) included in the category.
  • a subset ⁇ Pi ⁇ consisting of mobile visit data Pi located outside the first predetermined range from any living base position of the user of the vehicle 60 is set as a user profile of the user of the vehicle 60 related to the facility category.
  • the user profile information related to the facility category for example, the total number of visits of each mobile visit data Pi included in the category may be set as the preference level for the category.
  • the user profile information related to the facility category can be arbitrarily set based on the subset ⁇ Pi ⁇ composed of the mobile visit data Pi described above.
  • the user profile of the user of the vehicle 60 can be created. Then, the user profiles of all mobile users can be created by repeatedly executing Step S21 to Step S26 for every mobile user.
  • the mobile user's preference is estimated based on the distance from the mobile user's life base for the facility visited by the mobile body, and the mobile user's profile information is created. -By updating, it becomes possible to estimate a user's preference more accurately using position information.
  • Each device included in the above navigation system can be realized by hardware, software, or a combination thereof.
  • a navigation method performed by cooperation of each device included in the navigation system can be realized by hardware, software, or a combination thereof.
  • “realized by software” means realized by a computer reading and executing a program.
  • Non-transitory computer readable media include various types of tangible storage media.
  • Examples of non-transitory computer readable media include magnetic recording media (eg, flexible disk, magnetic tape, hard disk drive), magneto-optical recording media (eg, magneto-optical disc), CD-ROM (Read Only Memory), CD- R, CD-R / W, semiconductor memory (for example, mask ROM, PROM (Programmable ROM), EPROM (Erasable ROM), flash ROM, RAM (random access memory)).
  • the program may also be supplied to the computer by various types of temporary computer readable media. Examples of transitory computer readable media include electrical signals, optical signals, and electromagnetic waves.
  • the temporary computer-readable medium can supply the program to the computer via a wired communication path such as an electric wire and an optical fiber, or a wireless communication path.
  • each device has a function capable of executing a series of processing relating to the information analysis function of the present invention as a whole, and what functional block is used to realize this function is particularly shown in FIGS. 4 and the example of FIG.
  • the in-vehicle navigation device 10 and the portable terminal 20 may be realized by other devices that do not have a route guidance function. That is, the route guidance function by the in-vehicle navigation device 10 and the mobile terminal 20 is not an essential configuration.
  • the information analysis device 30 may further include a route guidance function, and the information analysis device 30 may perform route guidance by communicating with the in-vehicle navigation device 10 and the mobile terminal 20.
  • the information analysis device 30 is realized by one server device or the like.
  • each function of the information analysis device 30 is distributed to a plurality of server devices as appropriate. It is good also as a processing system.
  • an FCD (Floating Car Data) server (tentative name) is provided separately from the information analysis device 30, and the FCD server receives the identification information, position information, and time of the vehicle 60 from each vehicle 60. Information or the like may be received. Thereby, the information analysis apparatus 30 may acquire identification information, position information, time information, and the like of each vehicle 60 from the FCD server. Furthermore, as another modification, the FCD server may construct the position information database 322 based on the identification information, the position information, the time information, and the like received from each vehicle 60, and appropriately create and update it. . In that case, the information analysis device 30 may appropriately acquire information stored in the position information database from the FCD server.
  • FCD Floating Car Data
  • the facility information 323 stored in the storage unit 32 of the information analysis device 30 is input from the facility manager from a facility terminal device (not shown) installed in the facility, for example. It can be configured so that it can be created and updated as appropriate. For example, after logging in to the information analysis device 30 from the facility terminal device and the information analysis device 30 determines that the user ID is valid, the information analysis device 30 creates and updates the facility information.
  • the facility information can be edited in the facility terminal device by transmitting the editing processing screen for the facility to the facility terminal device, and the facility information is appropriately created and updated according to the input of the facility manager, etc. You may do it.

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Abstract

La présente invention a pour objet d'estimer des préférences d'utilisateur d'unité mobile à partir d'informations d'installation d'installations visitées. Ce dispositif d'analyse d'informations 30 comprend : une unité de génération de base de données d'informations de position 311 qui reçoit des informations de position pour un véhicule 60 ; une unité d'estimation de lieu de résidence 312 qui estime le lieu de résidence d'un utilisateur d'un véhicule à partir d'un changement d'informations de position du véhicule 60 ; une unité de création de données d'installation visitée 313 qui crée des données de visite d'unité mobile par détermination d'une visite de véhicule par rapport à une installation, à partir des informations de position du véhicule 60 et des informations d'installation ; et une unité de définition de profil d'utilisateur 314 qui définit un profil d'utilisateur du véhicule associé à la catégorie d'installation, sur la base de données de visite d'unité mobile dans lesquelles la position de l'installation visitée est à l'extérieur d'une première plage prédéterminée prédéfinie à partir de la position du lieu de résidence de l'utilisateur du véhicule 60.
PCT/JP2019/006021 2018-03-19 2019-02-19 Dispositif et procédé d'analyse d'informations WO2019181327A1 (fr)

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CN113220747A (zh) * 2021-05-20 2021-08-06 浙江万里学院 基于移动终端的大数据分析方法及系统

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JP2012221209A (ja) * 2011-04-08 2012-11-12 Toyota Motor Corp ナビゲーションシステム及び拠点推定方法
JP2013250883A (ja) * 2012-06-01 2013-12-12 Ntt Docomo Inc 情報処理装置、情報処理方法およびプログラム

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WO2011102541A1 (fr) * 2010-02-19 2011-08-25 日本電気株式会社 Dispositif d'extraction de caractéristiques de comportement, système d'extraction de caractéristiques de comportement, procédé d'extraction de caractéristiques de comportement et programme d'extraction de caractéristiques de comportement
JP2012221209A (ja) * 2011-04-08 2012-11-12 Toyota Motor Corp ナビゲーションシステム及び拠点推定方法
JP2013250883A (ja) * 2012-06-01 2013-12-12 Ntt Docomo Inc 情報処理装置、情報処理方法およびプログラム

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