JP6401072B2 - SEARCH SYSTEM, SEARCH DEVICE, SEARCH METHOD, AND SEARCH PROGRAM - Google Patents

Description

  The present invention relates to a search system, a search device, a search method, and a search program.

  Conventionally, in a service that provides a device whose position changes such as a rental cycle, a service provider builds a dedicated search system, searches for a device that can be provided to a user registered in advance, and presents its position information, etc. (See Non-Patent Document 1). In this case, the device provider is composed of a single or a plurality of business operators that have established a trust relationship with each other in advance, and only a highly reliable device is registered in the search system.

  There is also known a search system that searches for devices such as restaurants and the like, presents the position to the user, and accepts posts such as user evaluations. Such a search system is constructed by a third party different from the service provider that provides the device, and can present ranking information calculated by totaling evaluations on the device. Further, a method for evaluating the reliability of information based on reputation is known (see Non-Patent Document 2).

  When a user uses a device presented by the search system, a wireless short-range communication (hereinafter also referred to as local communication) such as Bluetooth (registered trademark) is used to connect the device and the user terminal. Pairing is established to establish a communication path.

Shingo Fukuda, “Community Cycle Project and ICT: A Case Study of Yokohama's Baybike”, April 2012, Tokyo City University Yokohama Campus Information Media Journal No.13 Yoshiaki Kato, “Reliability of Information Contents and Its Evaluation Technology”, November 14, 2006, The 14th Semantic Web and Ontology Study Group of the Japanese Society for Artificial Intelligence

  When building a search system for a service that provides a device whose position varies, such as a rental cycle, calculate the reliability of the service by calculating the evaluation of the device, etc., and present it together with the search result as ranking information etc. think of. Therefore, when the conventional techniques as described above are combined, the following problems are raised.

  First, when calculating the reliability of the service based on the user's evaluation and other postings, the user's authentication and confirmation that the user actually used the service has not been performed. It cannot be said that the nature is high. In addition, a device with a fixed position, such as a restaurant, can be easily identified by its address or name, whereas a device whose position fluctuates is not assigned a name to identify each individual, It is difficult to identify to which device the recorded information belongs.

  Also, since it is difficult to identify individual devices, device identification depends on the user's vision and judgment even when the user selects one of many devices of the same type presented in the search. It may be difficult and user convenience may be low.

  Further, when pairing between a device and a user terminal, the user's convenience may be low, for example, the user is forced to manually input numerical values to both the user terminal and the device.

  The present invention has been made in view of the above, and searches for devices that can be used by the user from among the devices whose positions change, along with information that indicates the reliability of the service with high accuracy, and is highly convenient for the user. The purpose is to present.

  In order to solve the above-described problems and achieve the object, a search system according to the present invention is a search system in which a terminal, a search device, and a device are connected to each other via a communication network so that they can communicate with each other. The terminal includes a first notification means for notifying the search apparatus of a position of the terminal and information that can specify a type of the device desired by a user using the terminal; A selection means for specifying and selecting any of the devices when the device in the vicinity is presented; and a first short-range communication means for performing short-range communication with the selected device, The search apparatus includes: device information including a position and type of the device; device usage history information including a usage history of the device; a storage unit that stores the information; a position of the terminal and the device from the terminal; When the information that can identify the type of the device is notified, the device searches for one or more devices in the vicinity of the terminal corresponding to the type of the device identified from the information, and the location of the device, the usage history, A means for presenting ranking information calculated based on the terminal, and a communication path for short-range communication between the device and the terminal when the terminal selects one of the presented devices Authenticating means for establishing the information, and history management means for storing in the device usage history information when the usage history of the device selected by the terminal is received, wherein the device determines the location of the device. It is characterized by comprising second notification means for notifying the search device and second short-range communication means for performing short-range communication with the terminal.

  ADVANTAGE OF THE INVENTION According to this invention, the thing which a user can utilize among the devices from which a position changes is searched, and it can present to a user with high convenience with the information which shows the reliability to a service with high precision.

FIG. 1 is a schematic diagram showing a schematic configuration of a search system according to an embodiment of the present invention. FIG. 2 is a schematic diagram showing a schematic configuration of the search system of the present embodiment. FIG. 3 is a diagram illustrating a data configuration example of user information according to the present embodiment. FIG. 4 is a diagram illustrating a data configuration example of device information according to the present embodiment. FIG. 5 is a diagram illustrating a data configuration example of device usage history information according to the present embodiment. FIG. 6 is a sequence diagram illustrating a search processing procedure according to this embodiment. FIG. 7 is a sequence diagram illustrating a user registration processing procedure according to this embodiment. FIG. 8 is a sequence diagram illustrating a device registration processing procedure according to this embodiment. FIG. 9 is a sequence diagram illustrating a device search processing procedure according to this embodiment. FIG. 10 is a sequence diagram illustrating a device ranking generation process procedure according to this embodiment. FIG. 11 is a sequence diagram illustrating a local mutual authentication processing procedure according to this embodiment. FIG. 12 is a sequence diagram illustrating the physical interaction processing procedure of this embodiment. FIG. 13 is a sequence diagram illustrating the use start processing procedure of this embodiment. FIG. 14 is a sequence diagram illustrating a charging request processing procedure according to this embodiment. FIG. 15 is a sequence diagram illustrating the use end processing procedure of this embodiment. FIG. 16 is a diagram illustrating a computer that executes a search program.

  Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings. In addition, this invention is not limited by this embodiment. Moreover, in description of drawing, the same code | symbol is attached | subjected and shown to the same part.

[Search system configuration]
First, with reference to FIG. 1 and FIG. 2, the structure and outline | summary of the search system of this embodiment are demonstrated. As shown in FIG. 1 and FIG. 2, the search system 1 includes a search server 100 as a search device, a user terminal 200 owned by a user as a terminal, and a device 300 to be searched for communication such as the Internet. Communication is established via a network. In addition, local communication in a wireless format is possible between the user terminal 200 and the device 300.

  The search server 100 manages the position and usage history information of the device 300 such as a rental cycle, and uses the device 300 in the vicinity of the user terminal 200 as a user according to the type of device specified by the user using the user terminal 200. Present to terminal 200. When presenting the device 300, the search server 100 also presents ranking information aggregated based on the usage history of each device 300. When one of the presented devices 300 is selected by the user, wireless local authentication is performed via the search server 100 between the selected device 300 and the user terminal 200, and the local communication is performed. Communication is possible.

  Further, as shown in FIG. 2, an external charging agent service server 400 is connected to the search system 1 as a charging device. This billing proxy service server 400 mediates billing for the service usage fee for the user who has selected the device 300.

Search server configuration
The search server 100 is realized by a general-purpose computer such as a workstation or a personal computer, and functions as a control unit when an arithmetic processing device such as a CPU (Central Processing Unit) inside the device executes a control program stored in a memory. .

  The search server 100 includes a storage unit 10 realized by a semiconductor memory device such as a RAM (Random Access Memory) and a flash memory, or a storage device such as a hard disk or an optical disk. The storage unit 10 stores user information T100, device information T200, and device usage history information T300.

  Specifically, as illustrated in FIG. 3, the user information T100 includes a user ID, a password, and a device ID of a device in use. Here, the user ID means user identification information. This user ID and password are issued in a user registration process to be described later, and thereafter used for user authentication by the search server 100. The device ID means the identification information of the device 300, and the device ID of the device in use means the identification information of the device 300 selected for use by the user in the device search process described later.

  Further, as illustrated in FIG. 4, the device information T200 includes a device ID, a password, a position, a type, and an IP address. The device ID means identification information of the device 300. This device ID and password are issued in a device registration process to be described later, and thereafter used for device authentication by the search server 100. The position means the position of the device represented as, for example, “N ***. ***. ***. *** E ***. ***. ***. ***”. The type means a type of device such as “bicycle”, for example. The IP address means an IP (Internet Protocol) address when communicating with the device 300 via the Internet.

  Further, as illustrated in FIG. 5, the device usage history information T300 includes a device ID, a user ID, a usage result, a usage start time, and a usage end time. The use result means a result when the user has used the device 300 in the past. The use start time or use end time means the use start time when the user starts using the device 300 or the use end time when it ends. In this embodiment, when the use start time and the use end time are recorded by the process described later, “normal” is recorded in the use result. On the other hand, when the use start time is recorded but the use end time is not recorded, “use failure” is recorded in the use result.

  When the search server 100 is notified of a position and a keyword capable of specifying the type of the device 300 from the user terminal 200 under the control of the control unit, the search server 100 is one or more users corresponding to the type of the device 300 specified from the information For the device 300 in the vicinity of the terminal 200, the ranking information calculated based on the position of the device 300 and the usage history is presented to the user terminal 200. When the user terminal 200 selects one of the presented devices 300, the search server 100 establishes a communication path for local communication between the device 300 and the user terminal 200. Further, when the search server 100 receives a usage history such as a usage start time and a usage end time for the device 300 selected by the user terminal 200, the search server 100 stores the usage history in the device usage history information T300.

  Specifically, the control unit is configured to include a charging request guiding unit 104, a device location update receiving unit 105, a usage history recording unit 20, a device search unit 30, a registration / authentication unit 40, and a local mutual authentication auxiliary unit 111. The

  When the charging request is received from the device 300, the charging request guiding unit 104 guides the user to an external charging agent service site and notifies the device 300 of the settlement result. Further, the device position update accepting unit 105 updates the device information T200 according to the position of the device 300.

  The usage history recording unit 20 includes usage start / end request mediating means 106 as history management means. The use start / end request mediating means 106 transfers the use start request and the use end request received from the user terminal 200 to the device 300 including the digital signature, and records the use history in the device use history information T300.

  The device search unit 30 includes a device ranking generation unit 107 and a user use device reception unit 110 as search units. The device ranking generation means 107 refers to the device information T200 and device usage history information T300 according to the position of the user terminal 200, generates ranking information of the device 300 in the vicinity of the user terminal 200, and presents it to the user terminal 200 To do. Further, the user utilization device receiving unit 110 receives the device ID of the device in use from the user terminal 200 and records it in the user information T100.

  The registration / authentication unit 40 includes user terminal registration / deletion / authentication means 108 and device registration / deletion / authentication means 109. The user terminal registration / deletion / authentication means 108 issues a user ID and password in response to a user registration request from the user terminal 200 and records it in the user information T100. Refer to the user information T100 for user authentication. The user terminal 200 is authenticated. The device registration / deletion / authentication unit 109 issues a device ID and a password in response to the device registration request of the device 300 and records the device ID and password in the device information T200. Refer to the device information T200 for device authentication. The device 300 is authenticated.

  The local mutual authentication assisting means 111, as an authentication means, generates a random number as an authentication code for local communication at the time of pairing by local communication between the user terminal 200 and the device 300, and notifies both of them automatically. Establish a communication path. The search processing procedure in the entire search system 1 will be described later.

[User terminal configuration]
The user terminal 200 is realized by a general-purpose computer such as a personal computer, a smartphone, or a tablet, and functions as a control unit when an arithmetic processing device such as a CPU inside the device executes a control program stored in a memory.

  Under the control of the control unit, the user terminal 200 notifies the search server 100 of the position of the user terminal 200 and information that can specify the type of device desired by the user using the user terminal 200. When the neighboring device 300 is presented, one of the devices 300 is specified and selected, and local communication is performed with the selected device 300.

  Specifically, the control unit includes a server connection unit 201, a billing service access unit 202, a use start / end request sending unit 203, a device search request / result receiving unit 204, a used device selection unit 205, a user terminal registration unit 206, and a user terminal authentication. The response unit 207 includes a local mutual authentication unit 208 and a physical interaction request unit 209.

  The server connection unit 201 accesses the IP address of the search server 100 recorded in advance on the user terminal 200. The charging service access unit 202 accesses the URL of the charging agent service site designated by the search server 100 and responds to the payment processing by the charging agent service server 400.

  The use start / end request sending means 203 requests the search server 100 to start use and end use of the device 300. The device search request / result receiving unit 204 notifies the position and keyword of the user terminal 200 and receives the result of the device search process. In addition, the use device selection unit 205 selects the device 300 to be used from the device search result and notifies the search server 100 of it.

  The user terminal registration unit 206 requests the search server 100 to register the user terminal 200 and records the issued user ID and password. The user terminal authentication response unit 207 transmits a user ID and a password to the search server 100 in response to a user authentication request from the search server 100.

  The local mutual authentication unit 208 receives the local communication authentication code from the search server 100 and performs mutual authentication with the selected device 300 to establish a communication path for local communication. In addition, the physical interaction request unit 209 requests the selected device 300 for physical interaction processing via local communication. The search processing procedure in the entire search system 1 will be described later.

[Device Configuration]
The device 300 is a moving device such as a bicycle (bicycle), for example. The device 300 includes an arithmetic processing unit realized by a microcomputer or the like, and the arithmetic processing unit executes a control program stored in a memory as a control unit. Function. The device 300 notifies the search server 100 of the position of the device 300 under the control of the control unit, and performs local communication with the user terminal 200.

  Specifically, the control unit includes server connection means 301, device location information update means 302, use start / end request reception / verification means 303, device registration request means 304, device authentication response means 305, local mutual authentication means 306, billing request means. 307 and location notification interaction means 308.

  The server connection unit 301 accesses the IP address of the search server 100 recorded in advance in the device 300. The device position information update unit 302 notifies the search server 100 of the position of the device 300.

  The use start / end request reception / verification unit 303 verifies the digital signature of the search server 100 when receiving the use start request or the use end request from the search server 100, and if authenticated, sends a use start response or a use end response. Return it.

  The device registration request unit 304 requests the search server 100 to register the device 300 and records the issued device ID and password. The device authentication response unit 305 returns a device ID and a password in response to the device authentication request of the search server 100.

  The local mutual authentication unit 306 receives the local communication authentication code from the search server 100, performs mutual authentication with the user terminal 200, and establishes a communication path for local communication. In addition, the billing request unit 307 notifies the search server 100 of the billing amount when billing the service usage fee to the user, and receives the result when the settlement processing is completed.

  When the location notification interaction unit 308 receives a physical interaction request from the user terminal 200 via local communication, the location notification interaction unit 308 physically notifies its location. For example, a light is emitted, a sound is generated, or vibration is generated. The search processing procedure in the entire search system 1 will be described later.

[Billing service server configuration]
The billing agency service server 400 is a server device operated by a billing agency service provider that acts as a billing service outside the search server 100. The charging proxy service server 400 is realized by a general-purpose computer such as a workstation or a personal computer, and functions as a control unit when an arithmetic processing unit such as a CPU inside the apparatus executes a control program stored in a memory.

  Specifically, the control unit includes a billing proxy request receiving unit 401, a billing result notifying unit 402, and a billing proxy user settlement unit 403. The billing proxy request receiving unit 401 receives the billing amount of the service usage fee for the user, generates a billing URL for the billing proxy service site, and notifies it. The billing user settlement unit 403 presents the amount to the user terminal 200 that has accessed the billing URL, and performs settlement by, for example, acquiring a credit card number. The accounting result notifying unit 402 notifies the search server 100 when the settlement is completed.

[Search procedure]
Next, a search processing procedure in the search system 1 will be described with reference to FIGS. As shown in FIG. 6, the search processing according to the present embodiment includes device / user registration processing, device search processing, local mutual authentication processing, physical interaction processing, usage start processing, billing request processing, and usage end processing. .

  The device / user registration process is a process of registering the user and the device 300 to the search server 100, and is executed in advance before starting the subsequent processes. The device / user registration process includes a user registration process (S100) and a device registration process (S200). The user registration process is a process of operating the user terminal 200 to record user information in the user information T100 of the search server 100. The device registration process (S200) is a process in which the device 300 records information on the device 300 in the device information T200 of the search server 100.

  The device search process (S300) is a process of presenting a device 300 in the vicinity of the user terminal 200 in response to a service start request accompanied by the position information of the user terminal 200 and a keyword input from the user terminal 200.

  The local mutual authentication process (S400) is a process in which the search server 100 establishes a communication path for local communication between the user terminal 200 and the device 300 when the user terminal 200 possessed by the user approaches the device 300. .

  The physical interaction process (S500) is a process in which the device 300 having established a communication path for local communication with the user terminal 200 notifies its location through visual, auditory or tactile senses such as light, sound or vibration.

  The use start process (S600) is a process for the user having the user terminal 200 to start using the device 300 after the communication path for local communication is established. The billing request process (S700) is a process for billing the user of the service usage fee for using the device 300. Further, the use end process (S800) is a process for the user who owns the user terminal 200 to end the use of the device 300. Each of the above processes will be described in detail below.

[User registration process]
FIG. 7 is a sequence diagram illustrating a user registration process (S100) procedure. As shown in FIG. 7, the server connection unit 201 of the user terminal 200 performs a process of connecting to the search server 100 (S101). Subsequently, the user terminal registration unit 206 of the user terminal 200 transmits a user terminal registration request to the search server 100 (S102).

  Upon receiving the user terminal registration request, the user terminal registration / deletion / authentication unit 108 of the search server 100 generates a user ID and password for the user terminal 200 (S103), stores the user ID and password in the user information T100 (S104), and the user The terminal 200 is notified (S105).

[Device registration process]
FIG. 8 is a sequence diagram illustrating the procedure for device registration processing (S200). As shown in FIG. 8, the server connection unit 301 of the device 300 performs a process of connecting to the search server 100 (S201). Subsequently, the device registration request unit 304 of the device 300 transmits a device registration request to the search server 100 (S202).

  Upon receiving the device registration request, the device registration / deletion / authentication unit 109 of the search server 100 generates a device ID and password for the device 300 (S203), stores it in the device information T200 (S204), and notifies the device 300 of it. (S205).

[Device search processing]
FIG. 9 is a sequence diagram illustrating a device search process (S300) procedure. As shown in FIG. 9, the user terminal authentication response means 207 of the user terminal 200 performs user authentication with the search server 100 using the user ID and password (S301). Subsequently, the device search request / result receiving unit 204 of the user terminal 200 transmits a device search request with a keyword that can identify the position of the user terminal 200 and the type of device input by the user to the search server 100 (S302).

  When the device search request is received, the device ranking generation unit 107 of the search server 100 executes device ranking generation processing for generating ranking information based on the position of the user terminal 200 and the keyword (S303). The device ranking generation process will be described later. Subsequently, the device ranking generation unit 107 of the search server 100 transmits the generated ranking information to the user terminal 200 (S304).

  When the ranking information is received, the used device selection unit 205 of the user terminal 200 performs a used device selection process that accepts an input for selecting the user device 300 (S305). Then, the used device selection unit 205 of the user terminal 200 performs a process of transmitting the device ID of the selected device 300 to the search server 100 (S306).

  When the device ID of the selected device 300 is received, the user use device receiving unit 110 of the search server 100 performs a use device registration process in which this device ID is stored as the device ID of the device being used in the user information T100 (S307). ).

  Here, the device ranking generation process in step S303 will be described. FIG. 10 is a sequence diagram illustrating a device ranking generation process procedure. As shown in FIG. 10, the device ranking generation process includes a device extraction process and a device scoring process.

  First, the device ranking generation unit 107 refers to the user information T100 and device information T200, and extracts a device 300 in the vicinity of the user terminal 200, for example, within 5 km (S31). Further, the device ranking generation unit 107 specifies a desired device type from the keyword input by the user, and extracts a device 300 corresponding to the specified type (S32). When inputting a keyword, the keyword may match the device type, for example, by allowing the user to select from a list of device types.

  After the above device extraction processing (S31 to S32), the device ranking generation means 107 executes the following device scoring processing (S33 to S35). That is, the device ranking generation unit 107 calculates the distance between the position of the user terminal 200 and the position of the device 300 extracted in the process of step S32, and assigns a score representing the proximity to each device 300 (S33). ). The score representing the proximity is, for example, 3 when the distance between the two is within 300 m, 2 when the distance is greater than 300 m and within 1 km, and 1 when the distance is greater than 1 km and within 2.5 km.

  The device ranking generation unit 107 refers to the device usage history information T300 and assigns a score representing reliability to each of the devices 300 extracted in the process of step S32 (S34). Specifically, the device ranking generation unit 107 extracts the usage result of each device 300 with reference to the device usage history information T300, and according to the ratio of the normal usage among the usage counts represented by the total number of usage results. A score representing reliability is given. The score representing the reliability is, for example, 3 when normal is 80% or more, 2 when 50% or more and less than 80%, and 1 when it is less than 50%.

  The device ranking generation means 107 arranges the score representing the proximity given in the process of step S33 and the score representing the reliability given in the process of step S34 in descending order, and displays the ranking information of the device 300. Generate (S35).

[Local mutual authentication processing]
FIG. 11 is a sequence diagram illustrating the local mutual authentication processing (S400) procedure. As illustrated in FIG. 11, the local mutual authentication unit 208 of the user terminal 200 requests pairing assistance that is an intermediary for establishing a communication path for local communication with the device 300 selected in the process of step S <b> 306. (S401).

  When receiving the request, the local mutual authentication assisting means 111 of the search server 100 refers to the user information T100 and extracts the IP address associated with the device ID received in the process of step S306 (S402). Connect to device 300 using the address. Thereafter, the device registration / deletion / authentication unit 109 of the search server 100 performs device authentication with the device authentication response unit 305 of the device 300 (S403).

  When the device authentication is completed, the local mutual authentication assisting means 111 of the search server 100 generates a random number as the local communication authentication code (S404) and sends it to the user terminal 200 and the device 300, respectively (S405, S406).

  When receiving the local communication authentication code, the local mutual authentication unit 208 of the user terminal 200 and the local mutual authentication unit 306 of the device 300 establish a local communication channel using the local communication authentication code. The pairing process is executed according to (S407).

[Physical interaction processing]
FIG. 12 is a sequence diagram illustrating a physical interaction process (S500) procedure. As shown in FIG. 12, the physical interaction request unit 209 of the user terminal 200 makes a physical interaction request by local communication to the device 300 that has been paired by local communication in the process of step S407 (S501). When the request is received, the location notification interaction unit 308 of the device 300 notifies the user of its location through visual, auditory, or tactile sense, such as lighting a lamp provided in the device 300 (S502). Sound may be emitted from a speaker provided in the device 300 or vibration may be generated by physical interaction processing.

[Use start processing]
FIG. 13 is a sequence diagram illustrating the use start processing (S600) procedure. As illustrated in FIG. 13, the use start / end request transmission unit 203 of the user terminal 200 transmits a use start request for requesting the use start of the device 300 that has established a communication path for local communication in the process of S407 to the search server 100. (S601).

  When the use start request is received, the use start / end request mediating means 106 of the search server 100 refers to the user information T100 and the device information T200, and the currently used device associated with the user ID of the user terminal 200 of the request transmission source. And the IP address associated with the device ID are extracted (S602). Further, the use start / end request mediating means 106 of the search server 100 records the time when the use start request is received in the device use history information T300 as the use start time (S603). Further, the use start / end request mediating means 106 of the search server 100 transmits a use start request with a digital signature to the device 300 using the IP address of the extracted device ID (S604).

  When the use start request is received, the use start end request receiving / verifying unit 303 of the device 300 verifies the digital signature and verifies whether the use start request is from the search server 100 (S605). As a result, when it is confirmed that the use start request is a legitimate request from the search server 100, the use start end request reception / verification unit 303 of the device 300 transmits a use start response to the search server 100. In step S606, service use of the user device 300 is started. On the other hand, when it is not confirmed that this use start request is a legitimate request from the search server 100, the use start end request reception / verification unit 303 of the device 300 discards the use start request.

[Billing request processing]
FIG. 14 is a sequence diagram illustrating a procedure for charging request processing (S700). The device 300 requests the external charging agent service server 400 to charge the service usage fee for the user at an arbitrary timing from the start of the user's service usage to the usage termination process described later, Execute billing request processing to receive notifications. As shown in FIG. 14, first, the billing request unit 307 of the device 300 transmits a billing request accompanied by the amount billed to the search server 100 (S701).

  When the charging request is received, the charging request guiding unit 104 of the search server 100 refers to the user information T100, and the user who is using the device 300 that is associated with the device ID of the device 300 that has transmitted the charging request. Is extracted (S702).

  Subsequently, the billing request guiding unit 104 of the search server 100 transmits the billing service registration with the amount to the billing proxy service server 400 and notifies the billing amount (S703). When the charging service registration is received, the charging proxy request receiving means 401 of the charging proxy service server 400 generates a charging URL and returns a charging service response including this charging URL to the search server 100 (S704).

  When the charging service response is received, the charging request guiding unit 104 of the search server 100 transmits a charging request including the charging URL included in the charging service response to the user terminal 200 as the charging URL of the external charging proxy site (S705). .

  When the charging request is received, the charging service access unit 202 of the user terminal 200 accesses the charging proxy service server 400 by specifying the charging URL of the external charging proxy site. In the charging agent service server 400, the payment processing for the user is executed under the control of the charging agent user service payment means 403 (S706).

  Thereafter, the billing result notifying unit 402 of the billing proxy service server 400 notifies the search server 100 of the settlement result (S707). When the notification is received, the charging request guiding unit 104 of the search server 100 notifies the settlement result to the device 300 (S708).

[Use termination processing]
FIG. 15 is a sequence diagram illustrating the procedure of the use end process (S800). As shown in FIG. 15, when ending the use service of the device in use, the use start / end request sending unit 203 of the user terminal 200 transmits a use end request for requesting the use end of the device 300 to the search server 100. (S801).

  When the use end request is received, the use start / end request mediating means 106 of the search server 100 refers to the user information T100 and the device information T200, and the currently used device associated with the user ID of the user terminal 200 of the request transmission source. And the IP address associated with the device ID are extracted (S802). Further, the use start / end request mediating means 106 of the search server 100 records the time when the use end request is received in the device use history information T300 as the use end time (S803). Further, the use start / end request mediating means 106 of the search server 100 transmits a use end request with a digital signature to the device 300 using the IP address of the extracted device ID (S804).

  When the use end request is received, the use start end request receiving / verifying unit 303 of the device 300 verifies the digital signature and verifies whether the use end request is from the search server 100 (S805). As a result, when it is confirmed that the use end request is a legitimate request from the search server 100, the use start end request reception / verification unit 303 of the device 300 transmits a use end response to the search server 100. Then, the service usage of the user's device 300 is terminated (S806). On the other hand, when it is not confirmed that this use end request is a legitimate request from the search server 100, the use start end request receiving / verifying unit 303 of the device 300 discards the use end request.

  As described above, in the search system 1 of the present embodiment, the user terminal 200 searches the search server 100 for the position of the user terminal 200 and the keyword that can specify the type of device desired by the user using the user terminal 200. Notify Upon receiving this notification, the search server 100 stores the position of the device 300 extracted from the device information T200 and the device usage history information T300 for the devices 300 in the vicinity of one or more user terminals 200 corresponding to the device type specified from the keyword. The ranking information calculated based on the usage history is presented to the user terminal 200. When the user terminal 200 selects one of the presented devices 300, the search server 100 establishes a communication path for local communication between the device 300 and the user terminal 200. Further, when the search server 100 receives the usage history for the device 300 selected by the user terminal 200, the search server 100 stores the usage history in the device usage history information T300.

  Thereby, according to the search system 1 of this embodiment, it searches for the device 300 which can be used in the vicinity of the user among the devices 300 whose positions vary, and shows the reliability of the service with high accuracy based on the usage history. Along with the ranking information, it can be presented with high convenience. In addition, a communication path for local communication between the user terminal 200 and the selected device 300 can be automatically established.

  In addition, the search system 1 of the present embodiment includes the charging agent service server 400, and the convenience of using the device 300 is enhanced by using a safe and secure external charging mechanism. The function of the search system 1 can be lightened because it is left to an external charging mechanism.

[Other Embodiments]
[program]
It is also possible to create a program in which processing executed by the search server 100 according to the above embodiment is described in a language that can be executed by a computer. In this case, the same effect as the above-described embodiment can be obtained by the computer executing the program. Furthermore, the program similar to the above-described embodiment may be realized by recording the program on a computer-readable recording medium, and reading and executing the program recorded on the recording medium. Hereinafter, an example of a computer that executes a search program that realizes the same function as the search server 100 will be described.

  As shown in FIG. 16, the computer 1000 that executes the search program includes, for example, a memory 1010, a CPU 1020, a hard disk drive interface 1030, a disk drive interface 1040, a serial port interface 1050, a video adapter 1060, and a network interface. 1070. These units are connected by a bus 1080.

  The memory 1010 includes a ROM (Read Only Memory) 1011 and a RAM 1012. The ROM 1011 stores a boot program such as BIOS (Basic Input Output System). The hard disk drive interface 1030 is connected to the hard disk drive 1031. The disk drive interface 1040 is connected to the disk drive 1041. For example, a removable storage medium such as a magnetic disk or an optical disk is inserted into the disk drive 1041. For example, a mouse 1051 and a keyboard 1052 are connected to the serial port interface 1050. For example, a display 1061 is connected to the video adapter 1060.

  Here, as shown in FIG. 16, the hard disk drive 1031 stores, for example, an OS 1091, an application program 1092, a program module 1093, and program data 1094. Each table described in the above embodiment is stored in the hard disk drive 1031 or the memory 1010, for example.

  Further, the search program is stored in the hard disk drive 1031 as a program module 1093 in which a command executed by the computer 1000 is described, for example. Specifically, a program module 1093 describing each process executed by the backup key storage server 3 described in the above embodiment is stored in the hard disk drive 1031.

  Further, data used for information processing by the search program is stored as program data 1094 in, for example, the hard disk drive 1031. Then, the CPU 1020 reads the program module 1093 and the program data 1094 stored in the hard disk drive 1031 to the RAM 1012 as necessary, and executes the above-described procedures.

  Note that the program module 1093 and the program data 1094 related to the search program are not limited to being stored in the hard disk drive 1031, but are stored in a removable storage medium, for example, and read out by the CPU 1020 via the disk drive 1041 or the like. May be. Alternatively, the program module 1093 and the program data 1094 related to the search program are stored in another computer connected via a network such as a LAN (Local Area Network) or a WAN (Wide Area Network), and are transmitted via the network interface 1070. It may be read by the CPU 1020.

  As mentioned above, although embodiment which applied the invention made | formed by this inventor was described, this invention is not limited with the description and drawing which make a part of indication of this invention by this embodiment. That is, other embodiments, examples, operational techniques, and the like made by those skilled in the art based on this embodiment are all included in the scope of the present invention.

DESCRIPTION OF SYMBOLS 1 Search system 10 Memory | storage part 20 Usage history recording part (history management means)
30 Device search part (search means)
40 Registration / Authentication Unit 100 Search Server 111 Local Mutual Authentication Auxiliary Means (Authentication Means)
200 User terminal 204 Device search request / result receiving means (first notification means)
205 Use device selection means (selection means)
208 Local mutual authentication means (first short-range communication means)
300 Device 302 Device position information update means (second notification means)
306 Local mutual authentication means (second short-range communication means)
400 Billing agency service server

Claims (5)

A search system in which a terminal owned by a user , a search device, and a device are connected to be communicable with each other via a communication network,
The terminal
In response to a user authentication request of the search device, user terminal authentication response means for performing user authentication with the search device;
First notification means for notifying the search device of the position of the terminal and information that can identify the type of the device desired by a user using the terminal;
A selection unit that specifies and selects one of the devices when the search device presents one or more nearby devices;
First local mutual authentication means for receiving a local communication authentication code from the search device, performing mutual authentication with the selected device, and establishing a communication path for local communication;
First near field communication means for performing near field communication with the selected device,
The search device includes:
And device information including the type and location of the device, the user ID is identification information of a user, and a device usage history information including usage history between said device device ID and the user identification information of the device A storage unit for storing;
User terminal authentication means for performing user authentication with the terminal;
When the terminal is notified of the position of the terminal and information that can identify the type of the device, search for one or more devices near the terminal corresponding to the type of the device identified from the information, Search means for presenting ranking information calculated based on the position of the device and the usage history to the terminal;
Device authentication means for performing device authentication with the selected device when the terminal selects one of the presented devices;
When the device authentication is completed, local mutual authentication auxiliary means for notifying the terminal and the selected device of an authentication code for local communication for mutual authentication between the terminal and the selected device;
A history management means for storing the usage history of the device selected by the terminal in the device usage history information;
The device is
Second notification means for notifying the search apparatus of the position of the device;
In response to a request for device authentication of the search device, device authentication response means for performing device authentication with the search device;
Second local mutual authentication means for receiving an authentication code for local communication from the search device and performing mutual authentication with the terminal to establish a communication path for local communication;
And a second near field communication means for performing near field communication with the terminal. Device usage history including device information including the location and type of the device, user ID as identification information of the user owning the terminal, device ID as identification information of the device, and usage history between the user and the device A storage unit for storing information;
User terminal authentication means for performing user authentication with the terminal;
When the terminal is notified of the position of the terminal and information that can specify the type of the device desired by the user using the terminal, the one or more corresponding to the type of the device specified from the information Search means for searching for a device in the vicinity of the terminal, and presenting ranking information calculated based on the position of the device and the usage history to the terminal;
Device authentication means for performing device authentication with the selected device when the terminal selects one of the presented devices;
When the device authentication is completed, local mutual authentication auxiliary means for notifying the terminal and the selected device of an authentication code for local communication for mutual authentication between the terminal and the selected device;
History management means for storing in the device usage history information when a usage history of the device selected by the terminal is received;
A search device comprising: The storage unit is normal when a use start time and a use end time are recorded when the device is used in the past, and a use result when a use start time is recorded and a use end time is not recorded Memorize usage history including
  The search means calculates the ranking information based on a position of the neighboring device and a ratio of usage results indicating normal among the usage results.
  The search device according to claim 2. A search method executed by a search device,
The search device includes device information including the position and type of the device , a user ID that is identification information of a user who owns the terminal, a device ID that is identification information of the device, and a usage history between the user and the device. Including a storage unit that stores device usage history information including
A user terminal authentication step for performing user authentication with the terminal;
When the terminal is notified of the position of the terminal and information that can specify the type of the device desired by the user using the terminal, the one or more corresponding to the type of the device specified from the information A search step of searching for a device in the vicinity of the terminal and presenting ranking information calculated based on the position of the device and the usage history to the terminal;
A device authentication step for performing device authentication with the selected device when the terminal selects one of the presented devices;
When the device authentication is completed, a local mutual authentication assisting step of notifying the terminal and the selected device of an authentication code for local communication for mutual authentication between the terminal and the selected device;
A history management step of storing in the device usage history information when a usage history of the device selected by the terminal is received;
The search method characterized by including. A search program for causing a computer to function as the search device according to claim 2 .

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