JP2008059251A - Safety information providing apparatus, safety information providing system, safety information providing program, safety information providing method, terminal, and terminal program - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To present detailed safety information in each area of a visiting destination (local spot) and to quickly and surely transmit disaster information to each traveler. <P>SOLUTION: Safety information/disaster information is collected from domestic and local prescribed agencies and safety information is collected from users having practically visited the local spot. The reliability of the collected safety information is calculated and only the safety information having reliability of a prescribed value and more is provided to users. Information of high urgency such as disaster information is notified to users in native language (Japanese). <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a technology for providing, for example, safety information of a travel destination, disaster information, and the like to an overseas traveler or the like.

The security information of the entire foreign country is published by a predetermined organization. Patent Document 1 collects safety and health information, stores it in a data server, and is requested among the safety and health information stored in the data server in response to a request from the overseas worker terminal / overseas worker family terminal. Disclose technology to extract health and safety information and transmit it to the overseas worker terminal / overseas worker family terminal via the Internet. This makes it possible for overseas workers to easily obtain the latest safety information and hygiene information of their assigned employees at any time.
JP-A-2005-128612

Conventionally, safety information for the destination country as a whole has been provided, and it is possible to confirm whether or not the destination country is safe before traveling. However, even if the destination country is a safe country, it may be highly dangerous depending on the region. In particular, it was difficult to collect information that the risk of a certain district in a certain town was high, and it was not possible to confirm it before or at the destination.
In addition, when a disaster such as a tsunami occurs, it is difficult to convey disaster information to travelers.
An object of the present invention is, for example, to provide fine safety information for each destination area. Another object of the present invention is to transmit disaster information to a traveler quickly and reliably, for example.

The safety information providing apparatus according to the present invention includes, for example, a safety information receiving unit that receives safety information including position information indicating a position from a plurality of terminals using a communication device;
A safety information storage unit that stores the content of the safety information received by the safety information receiving unit in a storage device based on the position information;
The safety information stored by the safety information storage unit is aggregated for each position information, and a credit level calculation unit that calculates the credit level of the safety information by the processing device;
And a safety information transmitting unit that transmits safety information whose credit calculated by the credit calculating unit is equal to or greater than a predetermined value to a terminal by a communication device.

When the terminal enters a predetermined range from the position indicated by the position information included in the safety information with respect to the safety information whose reliability calculated by the reliability calculating section is equal to or greater than a predetermined value, the safety information transmitting unit Information is transmitted to the terminal by a communication device.

The safety information transmission unit generates map information indicating a map in which the safety information calculated by the credit calculation unit is greater than or equal to a predetermined value and displayed at a position indicated by the position information included in the safety information to generate a terminal Is transmitted by a communication device.

The safety information receiving unit receives safety information including time information indicating time in addition to position information,
The safety information storage unit stores safety information in a storage device for each position information and time information,
The creditworthiness calculation unit calculates safety information reliability by aggregating safety information based on position information and time information,
The safety information transmitting unit is a position indicated by the position information at a time within a predetermined range before and after the time indicated by the time information included in the safety information with respect to safety information whose reliability calculated by the reliability calculating unit is equal to or greater than a predetermined value. When the terminal enters within a predetermined range, the safety information is transmitted to the terminal.

The safety information receiving unit receives safety information including a user ID (identifier) indicating a transmission source user in addition to the position information,
The reliability calculation unit counts the number of times the safety information receiving unit has received safety information including position information indicating the same position and including different user IDs, and determines the reliability of the safety information.

The safety information receiving unit receives safety information including a user ID (identifier) indicating the user of the transmission source in addition to the position information and the time information,
The reliability calculation unit counts the number of times the safety information reception unit receives safety information including position information indicating the same position and time indicating the same time and including different user IDs, and calculates the reliability of the safety information. It is characterized by doing.

The safety information providing device further includes:
When the safety information receiving unit receives safety information from a terminal, the safety information receiving unit includes a reward granting unit that gives a predetermined reward to the terminal.

The safety information providing device further includes:
When the safety information receiving unit receives safety information from a mobile phone, the safety information receiving unit includes a fee return unit that deducts a predetermined amount from a communication fee charged for the mobile phone.

The safety information storage unit stores in the storage device past accident information including position information indicating the position where the accident occurred and time information when the accident occurred,
When the terminal enters the predetermined range from the position indicated by the position information at a predetermined range of time before and after the time indicated by the time information included in the accident information stored in the safety information storage unit, A warning is transmitted to the terminal.

The terminal according to the present invention includes, for example, a terminal receiving unit that receives safety information including position information indicating a position from a safety information providing device by a communication device;
A map display unit for displaying a map including the current location on a display device;
A safety information display unit that displays the safety information received by the terminal reception unit at a position indicated by position information included in the safety information of the map displayed by the map display unit;
And a warning unit that issues a warning by an output device when entering a predetermined range from the position indicated by the position information included in the safety information.

The safety information display unit displays a danger mark indicating danger at the position.

The terminal receiving unit receives disaster weather information from the safety information providing device,
The terminal
A disaster weather information display unit that displays the disaster weather information received by the terminal receiving unit in Japanese on a display device is provided.

The terminal
Provided with an information inquiry section that makes inquiries about safety information or disaster weather information to the safety information providing device every predetermined time,
The warning unit issues a warning when an answer cannot be obtained from the safety information providing apparatus continuously for a predetermined number of times in response to the inquiry made by the information inquiry unit.

A safety information providing system according to the present invention is a safety information providing system comprising a plurality of terminals and a safety information providing device.
Each terminal of the plurality of terminals
A safety information input unit that includes position information indicating a position and time information indicating a time, and inputs safety information indicating the safety of the position by an input device;
Comprising a terminal transmitter for transmitting the safety information input by the safety information input unit to the safety information providing device by a communication device;
Safety information provision device
A safety information receiver that receives the safety information transmitted by the terminal transmitter by a communication device; and
A reward granting unit that gives a predetermined reward to the terminal that has transmitted the safety information;
A safety information storage unit that stores the content of the safety information received by the safety information receiving unit in a storage device based on the position information and time information;
The safety information stored by the safety information storage unit is aggregated for each position information and time information, and a reliability calculation unit that calculates the reliability of the safety information;
A security information receiving unit that receives security information including location information from a security management server by a communication device;
Generating map information indicating a map in which the security information and the safety information calculated by the credit quality calculation unit are greater than or equal to a predetermined value and displayed at the position indicated by the location information included in the security information and the safety information A safety information transmission unit that transmits to a terminal by a communication device,
Each of the plurality of terminals further includes:
A terminal receiving unit that receives map information indicating a map displaying the safety information transmitted by the safety information transmitting unit by a communication device;
Among the map information received by the terminal receiving unit, a map display unit that displays a map including the current location on a display device;
A warning unit that issues a warning by an output device when entering a predetermined range from a position indicated by the position information included in the safety information at a predetermined range before and after the time indicated by the time information included in the safety information; Prepared,
The safety information providing device further includes:
Disaster weather information receiving unit for receiving disaster weather information including position information from a predetermined disaster weather information providing server by a communication device;
A disaster weather information transmitting unit that transmits the disaster weather information by a communication device to a terminal existing in a predetermined range from the position indicated by the location information included in the disaster weather information received by the disaster weather information receiving unit;
The terminal receiving unit receives disaster weather information from the safety information providing device,
Each of the plurality of terminals further includes:
A disaster weather information display unit that displays the disaster weather information received by the terminal reception unit on a display device in Japanese,
The safety information providing device further includes:
A transmission history storage unit for storing a history of security information and safety information transmitted by the safety information transmission unit in a storage device as a transmission history;
And a transmission history display unit that displays the transmission history stored in the transmission history storage unit on a display device on a display device for each destination terminal.

The safety information providing program according to the present invention includes, for example, safety information reception processing for receiving safety information including position information indicating a position from a plurality of terminals by a communication device;
A safety information storage process for storing the content of the safety information received in the safety information reception process in a storage device based on the position information;
The safety information stored in the safety information storage process is aggregated for each position information, and the credit degree calculation process for calculating the reliability of the safety information by the processing device;
The computer is caused to execute a safety information transmission process in which the communication apparatus transmits safety information whose reliability calculated in the reliability calculation process is equal to or higher than a predetermined value to a terminal.

The safety information transmission process is performed when the safety information having the reliability calculated in the reliability calculation process is equal to or greater than a predetermined value when the terminal enters a predetermined range from the position indicated by the position information included in the safety information. Information is transmitted to the terminal by a communication device.

The safety information transmission process generates a map information indicating a map in which the safety information calculated in the reliability calculation process is displayed at a position indicated by the position information included in the safety information by generating safety information having a reliability equal to or higher than a predetermined value. Is transmitted by a communication device.

The safety information receiving process receives safety information including time information indicating time in addition to position information,
The safety information storage process stores safety information in a storage device for each position information and time information,
In the credit calculation process, the safety information is aggregated based on the position information and the time information, and the reliability of the safety information is calculated.
In the safety information transmission process, the position indicated by the position information at a predetermined range of time before and after the time indicated by the time information included in the safety information with respect to safety information whose reliability calculated in the reliability calculation process is greater than or equal to a predetermined value. When the terminal enters within a predetermined range, the safety information is transmitted to the terminal.

The safety information receiving process receives safety information including a user ID (identifier) indicating the user of the transmission source in addition to the position information,
The reliability calculation process is characterized by counting the number of received safety information including position information indicating the same position and including different user IDs in the safety information reception process to obtain the reliability of the safety information.

The safety information receiving process receives safety information including a user ID (identifier) indicating a transmission source user in addition to position information and time information,
The reliability calculation process counts the number of received safety information including the position information indicating the same position and the time indicating the same time and including different user IDs in the safety information reception process, and the reliability of the safety information It is characterized by doing.

The safety information providing program further includes:
When the safety information is received from the terminal in the safety information receiving process, a reward giving process for giving a predetermined reward to the terminal is executed by the computer.

The safety information providing program further includes:
When the safety information is received from the mobile phone in the safety information receiving process, the computer is caused to execute a charge return process by subtracting a predetermined amount from a communication charge charged for the mobile phone.

In the safety information transmission process, past accident information including the position information indicating the position where the accident has occurred and the time information when the accident has been stored in the storage device in advance is stored at the time indicated by the time information included in the accident information. A warning is transmitted to the terminal when the terminal enters the predetermined range from the position indicated by the position information at a predetermined range before and after.

The terminal program according to the present invention includes, for example, a terminal reception process for receiving safety information including position information indicating a position from a safety information providing program by a communication device;
Map display processing for displaying a map including the current location on a display device;
A safety information display process for displaying the safety information received in the terminal reception process at a position indicated by the position information included in the safety information of the map displayed in the map display process;
A warning process for issuing a warning by an output device when a predetermined range is entered from the position indicated by the position information included in the safety information is executed by the computer.

The safety information display process displays a danger mark indicating danger at the position.

The terminal reception process receives disaster weather information from the safety information providing program,
The terminal
A disaster weather information display process for displaying the disaster weather information received in the terminal reception process in Japanese on a display device is executed by a computer.

The terminal
Provided with an information inquiry process for making inquiries about safety information or disaster weather information to the safety information providing device every predetermined time,
The warning process is characterized in that a warning is issued when an answer cannot be obtained from the safety information providing apparatus continuously for a predetermined number of times in response to the inquiry made in the information inquiry process.

The safety information providing method according to the present invention includes, for example, a safety information receiving step in which a communication device receives safety information including position information indicating a position from a plurality of terminals;
A storage device for storing the safety information received in the safety information receiving step based on the position information;
A processor calculates the reliability information stored in the safety information storage step for each position information, and calculates the reliability of the safety information,
A safety information providing method, comprising: a safety information transmitting step in which a communication device transmits safety information having a reliability calculated in the reliability calculation step equal to or greater than a predetermined value to a terminal.

  According to the safety information providing apparatus, the safety information providing system, the safety information providing program, and the safety information providing method according to the present invention, it is possible to collect a lot of safety information by collecting safety information from a plurality of terminals. is there. Also, since the reliability of safety information collected by the credit quality calculation unit is calculated and safety information of a certain level of reliability is transmitted to the terminal, even safety information with low credibility is not transmitted to the terminal, and the safety is misidentified. There is nothing.

  In addition, according to the terminal, the safety information providing system, the terminal program, and the safety information providing program according to the present invention, the safety information display unit displays the safety information on the map, so that it is possible to easily identify a highly dangerous place. is there. Moreover, when the warning part approaches a high-risk place, a warning is given, so that it is possible to prevent an accidental entry into a high-risk area.

FIG. 1 is a diagram illustrating an example of an appearance of a safety information providing system 1000 according to an embodiment.
In FIG. 1, a safety information providing system 1000 includes a system unit 909, a display device 901 having a display screen such as an LCD (liquid crystal), a keyboard 902 (Key / Board: K / B), a mouse 903, an FDD 904 (Flexible Disc, Drive), mobile phone 917, portable computer 918 such as PDA (Personal Digital Assistants), and hardware resources such as server 910.
The system unit 909 is connected to the Internet 940 via a local area network 942 (LAN) and a gateway 941. The system unit 909 is connected to the server 910 via the Internet 940. Further, the mobile phone 917 and the portable computer 918 are connected to the server 910 via the wireless network 943.
Here, the server 910 is an example of the safety information providing apparatus 100. Further, the system unit 909, the mobile phone 917, and the portable computer 918 are examples of the terminal 200. The system unit 909, the server 910, the cellular phone 917, and the portable computer 918 are computers.

FIG. 2 is a diagram illustrating an example of hardware resources of the safety information providing apparatus 100 and the terminal 200 according to the embodiment.
In FIG. 2, the safety information providing apparatus 100 and the terminal 200 include a CPU 911 (also referred to as a central processing unit, a central processing unit, a processing unit, an arithmetic unit, a microprocessor, a microcomputer, and a processor) that executes a program. . The CPU 911 is connected to the ROM 913, the RAM 914, the communication board 915, the display device 901, the keyboard 902, the mouse 903, the FDD 904, and the magnetic disk device 920 via the bus 912, and controls these hardware devices. Instead of the magnetic disk device 920, a storage device such as an optical disk device or a memory card read / write device may be used.

The RAM 914 is an example of a volatile memory. The storage media of the ROM 913, the FDD 904, and the magnetic disk device 920 are an example of a nonvolatile memory. These are examples of the storage device 984.
A keyboard 902, a mouse 903, an FDD 904, and the like are examples of the input device 982.
The communication board 915 is an example of the communication device 988.

The communication board 915 is connected to the LAN 942 or the like. The communication board 915 is not limited to the LAN 942 and may be connected to the Internet 940, a WAN (wide area network) such as ISDN, or the like. When connected to a WAN such as the Internet 940 or ISDN, the gateway 941 is unnecessary.
An operating system 921 (OS), a window system 922, a program group 923, and a file group 924 are stored in the magnetic disk device 920 or the ROM 913. The programs in the program group 923 are executed by the CPU 911, the operating system 921, and the window system 922.

The program group 923 stores programs for executing functions described as “safety information providing unit 110” and “terminal processing unit 210” in the following description of the embodiment. The program is read and executed by the CPU 911.
In the file group 924, information, data, signal values, variable values, and parameters described as “credibility” in the description of the embodiment described below are stored as items of “file” and “database”. . The “file” and “database” are stored in a recording medium such as a disk or a memory. Information, data, signal values, variable values, and parameters stored in a storage medium such as a disk or memory are read out to the main memory or cache memory by the CPU 911 via a read / write circuit, and extracted, searched, referenced, compared, It is used for operations of the CPU 911 such as calculation / calculation / processing / output / printing / display. Information, data, signal values, variable values, and parameters are temporarily stored in the main memory, cache memory, and buffer memory during the operation of the CPU 911 for extraction, search, reference, comparison, calculation, calculation, processing, output, printing, and display. Is remembered.
In addition, the arrows in the flowcharts described in the following description of the embodiments mainly indicate input / output of data and signals, and the data and signal values are the RAM 914 memory, the FDD 904 flexible disk, the compact disk, and the magnetic disk device. It is recorded on a recording medium such as a 920 magnetic disk, other optical disk, mini disk, or DVD (Digital Versatile Disc). Data and signals are transmitted online via a bus 912, signal lines, cables, or other transmission media.

  In addition, what is described as “to part” in the description of the embodiment described below may be “to circuit”, “to device”, “to device”, and “to means”. It may be “step”, “˜procedure”, “˜processing”. That is, what is described as “˜unit” may be realized by firmware stored in the ROM 913. Alternatively, it may be implemented only by software, or only by hardware such as elements, devices, substrates, and wirings, by a combination of software and hardware, or by a combination of firmware. Firmware and software are stored as programs in a recording medium such as a magnetic disk, a flexible disk, an optical disk, a compact disk, a mini disk, and a DVD. The program is read by the CPU 911 and executed by the CPU 911. That is, the program causes the computer to function as “to part” described below. Alternatively, the procedure or method of “to part” described below is executed by a computer.

Embodiment 1 FIG.
In Embodiment 1, a safety information providing system 1000 that provides safety information, disaster information, and the like to a user who has traveled abroad will be described.

First, an outline of functions and operations of the safety information providing system 1000 having the safety information providing apparatus 100 and the terminal 200 will be described with reference to FIG.
The safety information providing apparatus 100 centrally manages sightseeing information, safety information, and disaster prevention information. The safety information providing apparatus 100 obtains disaster prevention related information from a computer of a domestic disaster prevention related organization and stores it in the storage device 984 (1). For example, domestic disaster prevention-related organizations obtain disaster prevention information and local maps in cooperation with disaster prevention departments such as the police at the destination. Further, the safety information providing apparatus 100 obtains sales promotion information including tourist guide information from a computer such as a domestic travel agency and stores it in the storage device 984 (2). Furthermore, the safety information providing apparatus 100 obtains local safety information, sightseeing guide information, etc. from a computer such as a local disaster prevention department or a local travel agency, and stores them in the storage device 984 (3). Furthermore, the safety information providing apparatus 100 receives safety information such as a place where the user feels danger from a portable terminal used by the user locally, and tourist guide information such as a recommended restaurant, and stores the received information in the storage device 984. (4). In this way, the safety information providing apparatus 100 centrally manages sightseeing information, safety information, and disaster prevention information. Further, the collected information is filtered as will be described later.
On the other hand, a user who travels abroad borrows a portable terminal (an example of the terminal 200) including a GPS (Global Positioning System), a display device 901, a communication device 988, and the like from an insurance company as an option for overseas travel insurance, for example. Then, the user uses the portable terminal at the site to obtain travel destination tourist information, safety information, and disaster prevention information stored in the safety information providing apparatus 100. Specifically, as shown on the right side of FIG. 3, the mobile terminal displays a history of issuing / cancelling weather warnings such as heavy rain warnings at the destination. The mobile terminal displays and outputs emergency information such as a tsunami warning in real time together with an alert or the like. In particular, the mobile terminal displays such information in its native language (for example, Japanese). The mobile terminal also displays a local map. The map displays a danger mark indicating a danger zone and tourist guide information such as recommended restaurants. Also, an alert is generated when the danger zone is approached, and the user is informed that the danger zone is near. Furthermore, the route to the destination is displayed using the GPS function.
In addition, if a user encounters a danger at the site, the user can provide safety information including the place where the danger was encountered, the time of day, the contents of the danger, etc., and tourist information / recommended restaurants near the place where he / she is located. Tourist guide information can be transmitted to the safety information providing apparatus 100. That is, the safety information providing apparatus 100 can collect information directly from local users and can distribute the information to other users.

Next, the configuration of the safety information providing system 1000 will be described based on FIG.
For example, as shown in FIG. 4, the safety information providing system 1000 includes a space facility such as a satellite, a disaster prevention server, a domestic disaster prevention organization / research institution server, an overseas information provider server, a travel agency server, a map company server, safety information. A providing apparatus 100, an insurance company server, and a mobile terminal (an example of the terminal 200) are provided.
A space facility such as a satellite is a space-related facility such as a satellite used for acquisition of aerial photographs and position information.
The disaster prevention related server is a server owned by an organization that develops disaster prevention technology such as a government related disaster prevention committee. The disaster prevention related server acquires aerial photographs, position information, and the like using space facilities such as satellites, and manages disaster prevention technical information and the like based on the acquired information.
The domestic disaster prevention organization / research institution server is, for example, a server of the Japan Meteorological Agency. Domestic disaster prevention organizations and research institute servers manage disaster information by observing and predicting tsunami occurrence locations, arrival times, landslide occurrence locations, etc. using disaster prevention technology information on disaster prevention related servers To do.
The overseas information provider server is a server of a local disaster prevention department such as a local police. The overseas information provider server manages the local security information using the disaster prevention technology information of the disaster prevention related server.
The travel agency server is a travel agency server, and manages tourist guide information and the like.
The map company server is a map company server and manages the map information of the travel destination.
The safety information providing apparatus 100 acquires safety information / security information / disaster information from domestic disaster prevention organization / research institution servers and overseas information providing organization servers, and obtains tourist guide information, etc. from travel agency servers. Get map information from and manage it centrally. Further, safety information sent from a mobile terminal or the like is managed in the same manner. Then, safety information, disaster information, and sightseeing guide information are provided to the mobile terminal used by the user through the insurance company server. Here, the provision of such information to the mobile terminal may be performed directly without going through the insurance company server.
The insurance company server is a server of the insurance company. As described above, for example, an insurance company provides a safety information providing service as an option for overseas travel insurance. Therefore, the insurance company server manages user information such as the user's travel destination.
The portable terminal receives the safety information managed by the safety information providing apparatus 100 and displays it on the display device 901. In addition, the mobile terminal transmits danger information and sightseeing guide information to the safety information providing apparatus 100. The portable terminal may pass through the insurance company server when transmitting the danger information and the tourist guide information to the safety information providing apparatus 100.

Next, functions and operations of the safety information providing apparatus 100 and the terminal 200 included in the safety information providing system 1000 will be described in detail with reference to FIGS.
FIG. 5 is a functional block diagram illustrating functions of the safety information providing apparatus 100 and the terminal 200 included in the safety information providing system 1000.
The safety information providing apparatus 100 includes a safety information providing unit 110, a display device 901, a processing device 980, an input device 982, a storage device 984, and a communication device 988.
The safety information providing unit 110 is, for example, software or a program. In this case, the safety information providing unit 110 is stored in the storage device 984 and executed by the processing device 980. The safety information providing unit 110 includes a safety information receiving unit 112, a safety information storage unit 114, a reliability calculation unit 116, a safety information transmission unit 118, a transmission history storage unit 120, a transmission history display unit 122, a reward granting unit 124, and a fee return unit. 126, a security information receiving unit 128, a security information storing unit 130, a disaster weather information receiving unit 132, a disaster weather information storing unit 134, and a disaster weather information transmitting unit 136.
The terminal 200 includes a terminal processing unit 210, a display device 901, a processing device 980, an input device 982, a storage device 984, an output device 986, and a communication device 988.
The terminal processing unit 210 is, for example, software or a program. In this case, the safety information providing unit 110 is stored in the storage device 984 and executed by the processing device 980. The terminal processing unit 210 includes a safety information input unit 212, a terminal transmission unit 214, a terminal reception unit 216, a map display unit 218, a safety information display unit 220, a warning unit 222, and a disaster weather information display unit 224.

  FIG. 6 is a flowchart illustrating an operation of processing in which the safety information providing apparatus 100 included in the safety information providing system 1000 receives safety information from the terminal 200.

  First, in the safety information input process (S101), the safety information input unit 212 of the terminal 200 inputs the safety information indicating the safety of the position including the position information indicating the position and the time information indicating the time by the input device 982. To do. The user inputs information about the danger encountered by the terminal 200 when a danger is encountered at the site or when it is considered dangerous but safe. In the terminal transmission process (S102), the terminal transmission unit 214 transmits the safety information input by the safety information input unit 212 in (S101) to the safety information providing apparatus 100 through the communication device 988.

  Next, in the safety information receiving process (S103), the safety information receiving unit 112 of the safety information providing apparatus 100 receives the safety information transmitted by the terminal transmitting unit 214 of the terminal 200 by the communication device 988. In the safety information storage process (S104), the safety information storage unit 114 stores the content of the safety information received by the safety information reception unit 112 in (S103) in the storage device 984 based on the position information and the time information. . The safety information storage unit 114 stores, for example, the contents of the received safety information, using the coordinates of the position indicated by the position information included in the safety information and the time indicated by the time information included in the safety information as keys. Here, the coordinates of the position are, for example, latitude (x), longitude (y), and altitude (z). When the coordinates of the position are latitude / longitude / altitude, the safety information is stored as a four-dimensional database using four items of latitude / longitude / altitude and time as keys.

  Next, in the credit calculation process (S105), the credit calculation unit 116 adds the safety information stored in the safety information storage unit 114 for each position information and time information, and calculates the reliability of the safety information. For example, regarding the safety information at the same position and the same time, the reliability calculation unit 116 calculates the ratio of the information indicating danger to the entire information as the reliability. The same position and the same time may have a predetermined width. In addition, the present invention is not limited to this, and the reliability calculation unit 116 causes other users to input and transmit evaluations such as whether the safety information is correct information or whether it is useful information by the terminal 200, for example. And the reliability calculation part 116 is good also considering the number of evaluation that it was correct information or was useful information as a reliability. Further, the credit quality calculation unit 116 may count the number of reporters who have transmitted the same safety information, and calculate the credit quality based on the counted number of people. Here, it is assumed that the credit calculation unit 116 counts the number of independent reporters. That is, the trustworthiness calculation unit 116 does not increase the trustworthiness even when the same safety information is transmitted a plurality of times from the same user. Whether or not the safety information is transmitted from the same user can be determined by receiving a user ID (identifier) assigned to the user when transmitting the safety information. Further, the same safety information is identified by the report position, report time, report content keyword, and the like. The reporting position is a position included in the safety information, the reporting time is a time included in the safety information, and the reporting content keyword is a keyword indicating a risk included in the safety information. For example, the safety information receiving unit 112 receives safety information including a user ID (identifier) indicating a transmission source user in addition to position information and time information. Then, the reliability calculation unit 116 includes the same keyword as the position information indicating the position included in the predetermined range and the time information indicating the time included in the predetermined time, and the safety information including the different user IDs. By counting the number received by the safety information receiving unit, the number of reporters who have transmitted the same safety information can be counted.

  In the reward granting process (S106), the reward granting unit 124 gives a predetermined reward to the terminal that transmitted the safety information. That is, the reward granting unit 124 rewards the user who transmitted the safety information for transmitting the safety information. The reward granting unit 124 grants points that can be used for, for example, a fee for a safety information providing service or payment of overseas travel insurance. Also, in the fee return process (S107), the fee return unit 126 charges for the mobile phone instead of the process of the reward granting unit 124 when the safety information transmission source terminal 200 is a mobile phone. Subtract a predetermined amount from the communication fee.

  Next, FIG. 7 is a flowchart illustrating an operation of processing in which the safety information providing apparatus 100 included in the safety information providing system 1000 receives security information from an overseas information providing organization server (an example of a security management server).

First, in the security information receiving process (S201), the security information receiving unit 128 receives the security information including the location information from the overseas information providing institution server by the communication device 988. The security information is, for example, information such as a crime-prone area or terrorist occurrence information. Since the security information is information transmitted from the local police or the like, unlike the safety information, it does not matter if the credit rating is not calculated. However, the security information may also be calculated by receiving an evaluation of whether it was correct information or useful information from the user and calculating the reliability. In the security information storage process (S202), the security information storage unit 130 stores the contents of the security information received by the security information reception unit 128 in (S201) in the storage device 984 based on the position information.
The security information may include time information in addition to the position information, similarly to the safety information. In this case, the security information storage unit 130 stores the contents of the security information based on the position information and the time information as in the case of the safety information. That is, in this case, the security information is stored as a four-dimensional database.

  Next, FIG. 8 is a flowchart showing an operation of processing in which the safety information providing apparatus 100 included in the safety information providing system 1000 receives disaster weather information from an overseas information providing organization server (an example of a disaster weather information providing server).

First, in the disaster meteorological information reception process (S301), the disaster meteorological information receiving unit 132 receives the disaster meteorological information including the position information from the predetermined overseas information providing institution server by the communication device 988. The disaster weather information is, for example, information such as tsunami occurrence information, earthquake occurrence information, and heavy rain flood warning. In the disaster weather information storage process (S302), the disaster weather information storage unit 134 stores the contents of the disaster weather information information received by the disaster weather information reception unit 132 in (S301) in the storage device 984 based on the position information. To do.
The disaster weather information may include time information in addition to the position information, similarly to the safety information. In this case, the disaster weather information storage unit 134 stores the contents of the disaster weather information based on the position information and the time information as in the case of the safety information. That is, in this case, disaster weather information is stored as a four-dimensional database.

  As described above, the safety information providing apparatus 100 collects and stores safety information, security information, and disaster weather information by the processes shown in FIGS.

  FIG. 9 is a flowchart showing the operation of the safety information / security information / disaster weather information transmission processing of the safety information provision apparatus 100 of the safety information provision system 1000 and the display processing of the safety information / security information / disaster weather information of the terminal 200. It is.

First, in the safety information transmission process (S401), the safety information transmission unit 118 of the safety information providing apparatus 100 has the security information stored in the security information storage unit 130 and the reliability calculated by the reliability calculation unit 116 equal to or greater than a predetermined value. Map information indicating a map in which the safety information is displayed at the position indicated by the position information included in the security information and the safety information is generated. Then, the safety information transmission unit 118 transmits the generated map information to the terminal 200 by the communication device 988. The safety information transmission unit 118 may transmit the security information and the safety information to the terminal 200 as they are without generating the map information. The safety information transmission unit 118, when the reliability calculated by the reliability calculation unit 116 is greater than or equal to a predetermined value, when the terminal 200 enters the predetermined range from the position indicated by the position information included in the safety information, Information may be transmitted to the terminal 200 by the communication device 988. In addition, the safety information transmission unit 118 has the positional information for the safety information whose reliability calculated by the reliability calculation unit 116 is equal to or greater than a predetermined value at a predetermined range before and after the time indicated by the time information included in the safety information. Safety information may be transmitted to terminal 200 when terminal 200 enters a predetermined range from the indicated position. Without being limited to this, the safety information storage unit 114 analyzes the accident location (position), time (time zone, season), age, gender, etc. in advance by using a multivariate analysis method, so that accident information ( It is stored in a storage device as a crime population). And the safety information transmission part 118 is N-dimensional of the N-dimensional point comprised from the present position of the terminal which a traveler etc. holds, terminal time (time zone, season), age, sex, etc., and a crime population. The distance in the above is obtained, information obtained by normalizing the obtained value is transmitted to the terminal 200, and the terminal 200 may display the received information. If the distance from the criminal population on the N dimension is equal to or less than a predetermined value, processing such as sounding an alarm may be performed. The case where the distance on the N dimension is equal to or less than a predetermined value is, for example, when there are two elements constituting the N-dimensional point, the position information and the time information, and the time indicated by the time information. This corresponds to the case where the terminal enters the predetermined range from the position indicated by the position information at a predetermined range before and after.
In the disaster weather information transmission process (S402), the disaster weather information transmission unit 136 is connected to the terminal 200 existing within a predetermined range from the position indicated by the position information included in the disaster weather information stored in the disaster weather information storage unit 134. Disaster weather information is transmitted by the communication device 988.

  Next, in the transmission history storage process (S403), the transmission history storage unit 120 of the safety information providing device 100 stores the history of the security information and the safety information transmitted by the safety information transmission unit 118 in the storage device 984 as a transmission history. To do.

  Subsequent to (S402), in the terminal reception process (S404), the terminal receiving unit 216 of the terminal 200 transmits the security information / safety information / disaster weather information transmitted by the safety information transmitting unit 118 of the safety information providing device 100 to the communication device 988. Receive by. That is, the terminal 200 can obtain security information, safety information, and disaster weather information in a push type. Next, in the map display process (S405), the map display unit 218 displays a map including the current location on the display device 901. When the safety information transmission unit 118 generates map information indicating a map displaying the security information and the safety information and transmits the map information to the terminal 200, the map display unit 218 displays the current location where the security information and the safety information are displayed. Display the map that contains it. When the safety information transmission unit 118 transmits the security information and the safety information to the terminal 200 as they are, the map display unit 218 displays a map including the current location in the map indicated by the map information stored in the storage device 984. . Next, in the safety information display process (S406), the safety information display unit 220 receives the security information received by the terminal reception unit 216 when the safety information transmission unit 118 transmits the security information and the safety information to the terminal 200 as they are. And the safety information are displayed at the positions indicated by the position information included in the safety information of the map displayed by the map display unit 218. The safety information display unit 220 displays a danger mark indicating danger at the position indicated by the position information, and the content of the safety information may not be displayed.

  In the warning process (S407), the warning unit 222 issues a warning by the output device 986 when it enters a predetermined range from the position indicated by the position information included in the safety information. The warning unit 222 gives a warning by, for example, making a sound or blinking a lamp. Further, the warning unit 222 may display the content of the safety information on the display device 901 together with the sound and blinking of the lamp.

  On the other hand, in the disaster weather information display process (S408), the disaster weather information display unit 224 displays the disaster weather information received by the terminal reception unit 216 on the display device 901 in Japanese. Since the disaster weather information may be highly urgent information such as tsunami occurrence information, when the terminal reception unit 216 receives the disaster weather information, the disaster weather information display unit 224 immediately displays it. In addition, the disaster weather information display unit 224 may warn by emitting a sound or blinking a lamp in conjunction with displaying the disaster weather information.

FIG. 10 is a flowchart showing an operation of processing for displaying a transmission history of the safety information providing apparatus 100 included in the safety information providing system 1000.
In the transmission history display process (S501), the transmission history display unit 122 displays the transmission history stored in the transmission history storage unit 120 on the display device 901 for each destination terminal 200. For example, the transmission history display unit 122 may display the movement history of the terminal 200 together with the transmitted safety information. Accordingly, it is possible to know that the user using the terminal 200 is not approaching the danger zone by checking the transmission history.

Here, the user moves with the terminal 200. Therefore, it is difficult to perform stable communication between the terminal 200 and the safety information providing apparatus 100. Usually, when an important communication request occurs, interrupt communication is performed from the safety information providing apparatus 100 to the mobile terminal. However, information may not be transmitted when the line is unstable.
Therefore, as shown in FIG. 11, the terminal 200 may periodically make an information inquiry to the safety information providing apparatus 100 to confirm that there is no important communication content (safety information, disaster weather information, etc.). The warning unit 222 of the terminal 200 may generate an alarm (negative logic communication method) when a predetermined number of responses cannot be obtained continuously from the safety information providing apparatus 100. Here, the terminal 200 may include an information inquiry unit that confirms whether there is no important communication content.
11, in (1) and (2), the terminal 200 periodically makes an information inquiry to the safety information providing apparatus 100 and receives a reply from the safety information providing apparatus 100. On the other hand, in (3) and (4), the terminal 200 periodically makes an information inquiry to the safety information providing apparatus 100, but does not receive a reply. Therefore, after the inquiry (4), the terminal 200 generates an alarm to inform that the safety information or the like cannot be received from the safety information providing apparatus 100. In the example of FIG. 11, an alarm is generated when an answer cannot be acquired twice in succession.

  The safety information providing system 1000 provides information such as a tourist map and a crime prevention map, safety information such as terrorism, and a transmission history of safety information during normal times. Therefore, the safety information providing system 1000 can provide safety information / security information / disaster weather information to travelers in real time, and can search for the location information of travelers from within the country by confirming the transmission history of safety information. Can confirm safety. As a result, it is possible to provide safety and security to overseas travelers and their families. In addition, since the safety information providing system 1000 provides safety information, security information, and disaster weather information in their native language (for example, Japanese), information can be immediately transmitted even in an emergency.

  Further, the safety information providing system 1000 can provide more detailed and specific safety information to overseas travelers by collecting safety information from users and the like in the field as compared with the conventional safety information.

  Furthermore, the safety information providing system 1000 gives a reward to the user who provided the local safety information. Thereby, a user's willingness to provide information can be enhanced and a lot of safety information can be obtained. In addition, by using a discount for the usage fee of the safety information providing system 1000 as a reward, the user of the safety information providing system 1000 who is highly likely to obtain specific safety information on the site is encouraged to use the information. A lot of safety information can be obtained from the person.

The figure which shows an example of the external appearance of the safety information provision system 1000 in embodiment. The figure which shows an example of the hardware resource of the safety information provision apparatus 100 and terminal 200 in embodiment. The figure which shows the outline | summary of the function and operation | movement of the safety information provision system 1000. FIG. The figure which shows the structure of the safety information provision system 1000. FIG. The functional block diagram which shows the function of the safety information provision apparatus 100 and the terminal 200 which the safety information provision system 1000 has. 6 is a flowchart showing an operation of processing in which the safety information providing apparatus 100 included in the safety information providing system 1000 receives safety information from the terminal 200. The flowchart which shows operation | movement of the process which the safety information provision apparatus 100 which the safety information provision system 1000 has receives security information from an overseas information provision organization server (an example of a security management server). The flowchart which shows the operation | movement of the process which the safety information provision apparatus 100 which the safety information provision system 1000 has receives disaster weather information from an overseas information provision organization server (an example of a disaster weather information provision server). The flowchart which shows the operation | movement of the transmission process of the safety information / security information / disaster weather information of the safety information provision apparatus 100 which the safety information provision system 1000 has, and the display processing of the safety information / security information / disaster weather information of the terminal 200. The flowchart which shows the operation | movement of the process which displays the transmission log | history of the safety information provision apparatus 100 which the safety information provision system 1000 has. The figure which shows the method of guaranteeing the communication reliability using an unstable communication line.

Explanation of symbols

  1000 Safety Information Providing System, 100 Safety Information Providing Device, 110 Safety Information Providing Unit, 112 Safety Information Receiving Unit, 114 Safety Information Storage Unit, 116 Reliability Calculation Unit, 118 Safety Information Transmitting Unit, 120 Transmission History Storage Unit, 122 Transmission History Display unit, 124 reward granting unit, 126 fee return unit, 128 security information receiving unit, 130 security information storing unit, 132 disaster weather information receiving unit, 134 disaster weather information storing unit, 136 disaster weather information transmitting unit, 200 terminal, 210 Terminal processing unit 212 Safety information input unit 214 Terminal transmission unit 216 Terminal reception unit 218 Map display unit 220 Safety information display unit 222 Warning unit 224 Disaster weather information display unit 901 Display device 902 Keyboard 903 Mouse, 904 FDD, 909 system unit, 910 911 CPU, 912 bus, 913 ROM, 914 RAM, 915 communication board, 917 mobile phone, 918 portable computer, 920 magnetic disk device, 921 OS, 922 window system, 923 program group, 924 file group, 940 Internet , 941 gateway, 942 LAN, 943 wireless network, 980 processing device, 982 input device, 984 storage device, 986 output device, 988 communication device.

Claims (28)

A safety information receiving unit that receives safety information including position information indicating a position from a plurality of terminals by a communication device;
A safety information storage unit that stores the content of the safety information received by the safety information receiving unit in a storage device based on the position information;
The safety information stored by the safety information storage unit is aggregated for each position information, and a credit level calculation unit that calculates the credit level of the safety information by the processing device;
A safety information providing apparatus, comprising: a safety information transmitting unit that transmits safety information having a reliability calculated by the reliability calculating unit equal to or greater than a predetermined value to a terminal by a communication device. When the terminal enters a predetermined range from the position indicated by the position information included in the safety information with respect to the safety information whose reliability calculated by the reliability calculating section is equal to or greater than a predetermined value, the safety information transmitting unit 2. The safety information providing apparatus according to claim 1, wherein the information is transmitted to the terminal by a communication device. The safety information transmission unit generates map information indicating a map in which the safety information calculated by the credit calculation unit is greater than or equal to a predetermined value and displayed at a position indicated by the position information included in the safety information to generate a terminal The safety information providing apparatus according to claim 1, wherein the safety information providing apparatus transmits the information to a communication apparatus. The safety information receiving unit receives safety information including time information indicating time in addition to position information,
The safety information storage unit stores safety information in a storage device for each position information and time information,
The creditworthiness calculation unit calculates safety information reliability by aggregating safety information based on position information and time information,
The safety information transmitting unit is a position indicated by the position information at a time within a predetermined range before and after the time indicated by the time information included in the safety information with respect to safety information whose reliability calculated by the reliability calculating unit is equal to or greater than a predetermined value. The safety information providing apparatus according to claim 1, wherein safety information is transmitted to the terminal when the terminal enters a predetermined range from the terminal. The safety information receiving unit receives safety information including a user ID (identifier) indicating a transmission source user in addition to the position information,
The reliability calculation unit counts the number of times the safety information receiving unit receives safety information including position information indicating a position included in a predetermined range and includes a different user ID, and uses the counted number to calculate the safety The safety information providing apparatus according to claim 1, wherein the reliability of information is calculated. The safety information receiving unit receives safety information including a user ID (identifier) indicating the user of the transmission source in addition to the position information and the time information,
The reliability calculation unit includes the number of times the safety information receiving unit receives safety information including position information indicating a position included in a predetermined range and time information indicating a time included in a predetermined time and including a different user ID. The safety information providing device according to claim 4, wherein the reliability of the safety information is calculated using the counted number. The safety information providing device further includes:
The safety information providing apparatus according to claim 1, further comprising: a reward granting unit that gives a predetermined reward to the terminal when the safety information receiving unit receives the safety information from the terminal. The safety information providing device further includes:
2. The safety information providing apparatus according to claim 1, further comprising a fee returning unit that deducts a predetermined amount from a communication fee charged for the mobile phone when the safety information receiving unit receives the safety information from the mobile phone. The safety information storage unit stores in the storage device past accident information including position information indicating the position where the accident occurred and time information when the accident occurred,
When the terminal enters the predetermined range from the position indicated by the position information at a predetermined range of time before and after the time indicated by the time information included in the accident information stored in the safety information storage unit, The safety information providing apparatus according to claim 1, wherein a warning is transmitted to the terminal. A terminal receiving unit that receives safety information including position information indicating a position from the safety information providing apparatus by a communication device;
A map display unit for displaying a map including the current location on a display device;
A safety information display unit that displays the safety information received by the terminal reception unit at a position indicated by position information included in the safety information of the map displayed by the map display unit;
A terminal, comprising: a warning unit that issues a warning by an output device when entering a predetermined range from a position indicated by position information included in the safety information. 11. The terminal according to claim 10, wherein the safety information display unit displays a danger mark indicating danger at the position. The terminal receiving unit receives disaster weather information from the safety information providing device,
The terminal
The terminal according to claim 10, further comprising: a disaster weather information display unit that displays the disaster weather information received by the terminal reception unit on a display device in Japanese. The terminal
Provided with an information inquiry section that makes inquiries about safety information or disaster weather information to the safety information providing device every predetermined time,
11. The terminal according to claim 10, wherein the warning unit issues a warning when an answer cannot be obtained from the safety information providing apparatus continuously for a predetermined number of times in response to the inquiry made by the information inquiry unit. In a safety information providing system comprising a plurality of terminals and a safety information providing device,
Each terminal of the plurality of terminals
A safety information input unit that includes position information indicating a position and time information indicating a time, and inputs safety information indicating the safety of the position by an input device;
Comprising a terminal transmitter for transmitting the safety information input by the safety information input unit to the safety information providing device by a communication device;
Safety information provision device
A safety information receiver that receives the safety information transmitted by the terminal transmitter by a communication device; and
A reward granting unit that gives a predetermined reward to the terminal that has transmitted the safety information;
A safety information storage unit that stores the content of the safety information received by the safety information receiving unit in a storage device based on the position information and time information;
The safety information stored by the safety information storage unit is aggregated for each position information and time information, and a reliability calculation unit that calculates the reliability of the safety information;
A security information receiving unit that receives security information including location information from a security management server by a communication device;
Generating map information indicating a map in which the security information and the safety information calculated by the credit quality calculation unit are greater than or equal to a predetermined value and displayed at the position indicated by the location information included in the security information and the safety information A safety information transmission unit that transmits to a terminal by a communication device,
Each of the plurality of terminals further includes:
A terminal receiving unit that receives map information indicating a map displaying the safety information transmitted by the safety information transmitting unit by a communication device;
Among the map information received by the terminal receiving unit, a map display unit that displays a map including the current location on a display device;
A warning unit that issues a warning by an output device when entering a predetermined range from a position indicated by the position information included in the safety information at a predetermined range before and after the time indicated by the time information included in the safety information; Prepared,
The safety information providing device further includes:
Disaster weather information receiving unit for receiving disaster weather information including position information from a predetermined disaster weather information providing server by a communication device;
A disaster weather information transmitting unit that transmits the disaster weather information by a communication device to a terminal existing in a predetermined range from the position indicated by the location information included in the disaster weather information received by the disaster weather information receiving unit;
The terminal receiving unit receives disaster weather information from the safety information providing device,
Each of the plurality of terminals further includes:
A disaster weather information display unit that displays the disaster weather information received by the terminal reception unit on a display device in Japanese,
The safety information providing device further includes:
A transmission history storage unit for storing a history of security information and safety information transmitted by the safety information transmission unit in a storage device as a transmission history;
A safety information providing system, comprising: a transmission history display unit that displays a transmission history stored in the transmission history storage unit on a display device for each destination terminal. Safety information reception processing for receiving safety information including position information indicating a position from a plurality of terminals by a communication device; and
A safety information storage process for storing the content of the safety information received in the safety information reception process in a storage device based on the position information;
The safety information stored in the safety information storage process is aggregated for each position information, and the credit degree calculation process for calculating the reliability of the safety information by the processing device;
A safety information providing program for causing a computer to execute safety information transmission processing in which safety information having a reliability calculated in the reliability calculation processing is equal to or greater than a predetermined value is transmitted to a terminal by a communication device. The safety information transmission process is performed when the safety information having the reliability calculated in the reliability calculation process is equal to or greater than a predetermined value when the terminal enters a predetermined range from the position indicated by the position information included in the safety information. 16. The safety information providing program according to claim 15, wherein the information is transmitted to the terminal by a communication device. The safety information transmission process generates a map information indicating a map in which the safety information calculated in the reliability calculation process is displayed at a position indicated by the position information included in the safety information by generating safety information having a reliability equal to or higher than a predetermined value. 16. The safety information provision program according to claim 15, wherein the safety information provision program is transmitted to a communication device. The safety information receiving process receives safety information including time information indicating time in addition to position information,
The safety information storage process stores safety information in a storage device for each position information and time information,
In the credit calculation process, the safety information is aggregated based on the position information and the time information, and the reliability of the safety information is calculated.
In the safety information transmission process, the position indicated by the position information at a predetermined range of time before and after the time indicated by the time information included in the safety information with respect to safety information whose reliability calculated in the reliability calculation process is greater than or equal to a predetermined value. 16. The safety information providing program according to claim 15, wherein safety information is transmitted to the terminal when the terminal enters within a predetermined range. The safety information receiving process receives safety information including a user ID (identifier) indicating the user of the transmission source in addition to the position information,
The reliability calculation process includes the position information indicating a position included in a predetermined range and counts the number of safety information including different user IDs received in the safety information reception process, and uses the counted number to calculate the safety information. 16. The safety information providing program according to claim 15, wherein the reliability of information is calculated. The safety information receiving process receives safety information including a user ID (identifier) indicating a transmission source user in addition to position information and time information,
The reliability calculation process includes the position information indicating the position included in the predetermined range and the time information indicating the time included in the predetermined time, and the number of received safety information including different user IDs in the safety information receiving process. 19. The safety information providing program according to claim 18, wherein the reliability of the safety information is calculated using the counted number. The safety information providing program further includes:
The safety information providing program according to claim 15, wherein when safety information is received from a terminal in the safety information receiving process, the computer executes a reward granting process for giving a predetermined reward to the terminal. The safety information providing program further includes:
16. The safety information according to claim 15, wherein when the safety information is received from the mobile phone in the safety information receiving process, the computer executes a fee return process of subtracting a predetermined amount from a communication fee charged for the mobile phone. Offer program. In the safety information transmission process, past accident information including the position information indicating the position where the accident has occurred and the time information when the accident has been stored in the storage device in advance is stored at the time indicated by the time information included in the accident information. 16. The program for providing safety information according to claim 15, wherein a warning is transmitted to the terminal when a terminal enters the predetermined range from the position indicated by the position information at a predetermined range before and after. A terminal reception process for receiving safety information including position information indicating the position from the safety information providing program by the communication device;
Map display processing for displaying a map including the current location on a display device;
A safety information display process for displaying the safety information received in the terminal reception process at a position indicated by the position information included in the safety information of the map displayed in the map display process;
A terminal program that causes a computer to execute warning processing for issuing a warning by an output device when a predetermined range is entered from a position indicated by position information included in the safety information. The terminal program according to claim 24, wherein the safety information display processing displays a danger mark indicating danger at the position. The terminal reception process receives disaster weather information from the safety information providing program,
The terminal
25. The terminal program according to claim 24, wherein the computer executes a disaster weather information display process for displaying the disaster weather information received in the terminal reception process in Japanese on a display device. The terminal
Causing the computer to execute an information inquiry process for making an inquiry about the safety information or the disaster weather information to the safety information providing device every predetermined time,
25. The terminal program according to claim 24, wherein the warning process issues a warning when an answer cannot be obtained from the safety information providing apparatus continuously for a predetermined number of times in response to the inquiry made in the information inquiry process. A communication device receives safety information including position information indicating a position from a plurality of terminals, and a safety information receiving step;
A storage device for storing the safety information received in the safety information receiving step based on the position information;
A processor calculates the reliability information stored in the safety information storage step for each position information, and calculates the reliability of the safety information,
A safety information providing method, comprising: a safety information transmitting step in which a communication device transmits safety information having a reliability calculated in the reliability calculation step equal to or greater than a predetermined value to a terminal.

Images