JP2009199369A - Web service search system, web service search method and web service search program - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enable a Web service user to acquire further effective information related to a Web service. <P>SOLUTION: A Web service search system comprises a Web service providing server 130 which performs providing of a Web service, a service request terminal 100 which receives the providing of the Web service, and a Web service search server 120 which registers and manages information related to the Web service and performs search of Web service in response to a request from the service request terminal. The Web service search server 120 includes a means for acquiring service operation information showing an operation state of Web service from the Web service providing server 130, and the service request terminal 110 includes a means for acquiring the service operation information and specifies a providing request destination of the Web service based on the service operation information. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a technique for searching for a Web service via a network, and more particularly, to a technique for acquiring information relating to the operation status of the Web service.

  Web (Web) systems are widely used in various fields, and a corporate model for exchanging information on the Internet using Web technology has become common. Further, in recent years, Web services have been utilized as a common technology for flexibly and quickly performing business collaboration between companies.

  Further, in order to efficiently use this Web service, a directory for the Web service using a UDDI (Universal Description, Discovery and Integration) registry as a mechanism for registering, publishing, and searching information related to the Web service. A service and a search service using the service are provided.

  In the above service, any company / organization can unconditionally register information on the Web service in the UDDI registry, but the registered Web service information includes the information on the access destination of the Web service, the specification of the service, and part of the service. There are only comments and simple company information.

Therefore, in the above service using the UDDI registry, all registered Web service information is transmitted to the Web service client in response to a request.
For this reason, the Web service client (user) cannot confirm whether or not the processing is normally completed unless the Web service program actually requests the processing using the transmitted information. There is a possibility that unnecessary access to the server, the UDDI registry, and the Web service client (user) client that provide the service will occur.

  On the other hand, a related technology for responding a more appropriate search result to a Web service client by confirming the operating state of the Web service is disclosed (Patent Document 1).

JP 2005-284640 A

  However, in the related technique disclosed in Patent Document 1, the UDDI server accesses the Web service program of each Web service at every time set by the timer value. There is a disadvantage that a large amount of network resources is consumed when the number increases.

In addition, depending on the timer interval, it may be difficult to obtain the operating status of the Web service in real time.
In addition, when the number of registered Web services increases, a situation occurs in which the timer interval must be set wide to reduce traffic. In this case, acquiring the operating status of the Web service in real time further There is a further disadvantage that it becomes difficult.

  Further, since only the Web service information that is being activated is returned, in practice, there may be a problem that an omission of obtaining excellent and necessary Web service information that only causes temporary maintenance to stop occurs.

[Object of invention]
The present invention provides a web service search system, a web service search method, and a web service search program for improving inconveniences of the conventional example and setting more effective information related to the web service for a web service user. That is the purpose.

  In order to achieve the above object, a web service search system according to the present invention includes a web service providing server that provides a web service via a network, a service request terminal that receives the web service, and the web service. A web service search system including a web service search server that registers and manages such information and searches for a web service in response to a request from the service request terminal, wherein the web service search server provides the web service Means for acquiring service operation information indicating an operation status of the web service from a server, wherein the service request terminal acquires the service operation information and specifies a provision destination of the web service based on the service operation information It has a configuration with

  The web service search method according to the present invention includes a web service providing server that provides a web service, a service request terminal that receives the web service, a search for the web service, and an operating status of the web service. A web service search server that acquires service operation information indicating the service information, and searches and provides the web service, wherein the web service search server acquires the service operation information. A search request step for making a search request for a web service to the web service search server, an operation information notification step for performing a search for the web service and notifying the acquired search result and the service operation information, Based on the search result and service operation information Is characterized in that a service request step of performing a service providing request to the web service providing server.

  Furthermore, a request processing program according to the present invention includes a web service providing server that provides a web service, a service request terminal that receives the web service, a search for the web service, and an operating status of the web service. A web service search server for retrieving and providing the web service, wherein the web service search server obtains service operation information of the web service providing server. And an operation information notifying function for notifying the service request terminal of the search result and the service operation information obtained while searching for the web service.

  The request processing program according to the present invention includes a web service providing server that provides a web service, a service request terminal that receives the web service, a search for the web service, and an operating status of the web service. A web service search server for retrieving and providing the web service, wherein the web service search server makes a web service search request to the web service search server. It is characterized by causing a computer to execute a request process and a service provision request process for making a service provision request based on a result of the search request and the service operation information.

Since the present invention is configured and functions as described above, according to this, a web service providing server that provides a web service, a service request terminal that receives the web service, and information related to the web service are registered and managed. A configuration comprising a web service search server for searching for a web service, wherein the web service search server obtains service operation information indicating an operation state of the web service so as to be provided to the service request terminal. Therefore, the Web service user can acquire more effective information related to the Web service, and can effectively suppress the traffic related to the use of the Web service, and the Web service search method And can provide web service search program .

[Embodiment]
Next, the basic configuration content of the embodiment of the present invention will be described.

As shown in FIG. 1, the web service search system according to the present embodiment includes a web service user terminal 110 that receives a web service via the Internet, a web service use terminal 110, and information on the web service (web service). Information) and performing a Web service search process in response to a Web service search request from the Web service user terminal 110 and a Web service provided to the Web service user terminal 110 are executed. A Web service operating server 130 and a Web service management server 140 that detects an operating state of the Web service operating on the Web service operating server 130 and notifies the UDDI server 120 of the detection result.
Also, a configuration including a Web service manager terminal 150 that is connected to the Web service operation server 130 and the Web service management server 140 and that operates and instructs the UDDI server 120 and the Web service management server 140 in terms of operation. It has become.

  Here, the above-described embodiment further uses the Web service user terminal 110 to make a processing request based on the Web service search result information and the Web service administrator terminal 150. A Web service administrator 160 that inputs an instruction request to the Web service operating server 130 and the Web service management server 140.

  The Web service user terminal 110 requests the Web service program to process or instructs the Web service search to be used, the assembly of query information specified at the time of Web service search, and the Web service user The search information operation unit 112 that analyzes the search condition designated by 100 and transmits it to the UDDI server 120, and the connection destination information stored in the Web service information obtained as a result of the search, A Web service program connection unit 113 for access is included.

  Here, the application 111 analyzes a connection destination information analysis function that analyzes connection destination information of a Web service program that is actually connected to the Web service program connection unit 113, and a processing request transmission that sends a processing request to the Web service program. With functions.

  The UDDI server 120 accesses the UDDI registry 121 on the basis of the UDDI registry 121 storing the registered Web service information (Web service information) and the search information sent from the Web service user terminal 110 and obtains target information. The search processing unit 122 to be acquired, the Web service information operation unit 123 that receives information registration, update, and deletion processing related to the Web service from the Web service administrator terminal 150, and the Web service operation state change information from the Web service management server 140. A Web service operating state receiving unit 123 that acquires and updates information in the UDDI registry 121 is provided and configured.

  Here, the search processing unit 122 searches and collects registration information (including the operation status of the Web service program) in the UDDI registry 121 based on the notified search condition, and only information related to the active Web service program, for example. Registration information search / collection processing function for performing assembly processing such as listing up

Furthermore, FIG. 2 shows the relationship between the data structures of the Web service information in the UDDI registry 121. The UDDI registry 121 is a storage unit configured by a tree structure with a business entity (hereinafter referred to as “business information unit”) 200 as a root, and the business information unit 200 has a data structure that holds information about a party that provides a service. The storage unit stores, for example, an ID for identifying a company, a company name, a contact address, and geographical information of the company.
Further, when this party provides a plurality of different services, it can have a plurality of service information sections 201 under its control.

  The service information unit 201 is a data structure storage unit that holds information regarding the type of business of the service provider, and stores, for example, information on a specific service handled by the company, an industry code, and the like. When a specific service handled by a service provider provides access destination information for using a plurality of services, it can have a plurality of binding Templates (bind information sections) 202 under its control.

The bind information unit 202 is a data structure storage unit that holds information for accessing a Web service and making a processing request, and stores, for example, a connection destination URL and a connection protocol.
A tModel (service description unit) 203 is a data structure storage unit that holds information regarding specific service specifications, and stores, for example, interface specifications of Web services. The binding Template (bind information part) 202 refers to the information in the service description part 203.

  Note that the data of each data structure storage unit in the UDDI registry 121 is stored in the XML format.

  The Web service operation server 130 is a plurality of different Web service program execution units 131-1, 131-2,... 131-n (collectively referred to as “Web service program execution unit 131”) on which the Web service actually operates. Composed.

  For example, the Web service program execution unit 131-1 includes a plurality of Web service programs 132-1, 132-2,... 132-n (Web service program 132) that receive processing requests from the Web service user terminal 110. The operation status management unit 133 that monitors the status of each Web service program 132 and the operation server management unit 134 that performs operation control, monitoring, and notification to the Web service management server 140 of each Web service program execution unit 131. Composed.

  Here, the operation status management unit 133 has an operation state change detection function for detecting that the operation state of the Web service program 132 has been changed. Here, as an example of the detection method, (1) when the Web service program 132-1 has a potential bug and the Web service itself ends abnormally, the operation status management unit 133 (2) When an unrecoverable failure occurs, such as a deadlock occurring during data update to the DBMS, when the Web service program 132-1 is performing actual processing For example, a method of notifying the operation status management unit 133 of a status change from an error processing program implemented in the Web service program 132-1 can be considered.

  The operation server management unit 134 updates the Web service operation state 303 and the like in the registered Web service management DB 144 via the Web service program state monitoring unit 142 based on the operation information change information notified from the operation state management unit 133. It has a state detection update function.

  In addition, the active server management unit 134 detects a stop when the Web service program execution unit 131 is abnormally stopped, and in this case, all Web services started in the stopped Web service program execution unit. A stop program information collection function for collecting program information as a list of registered Web service IDs 302 is provided.

  The Web service management server 140 includes a Web service operating state transmission unit 141 that notifies the UDDI registry 120 of operating state change information when a change occurs in the Web service operating state, and a change has occurred in the operating state of the Web service program. A web service program state management unit 142 that receives a notification from the web service operating server 130, an administrator instruction receiving unit 143 that receives an operation instruction sent from the web service administrator terminal 150 from the web service administrator terminal 150, and a web service The registration Web service management DB 144 stores information related to the Web service program 132 operating on the management server 130.

The Web service program status management unit 142 displays a server abnormal stop detection function for detecting that the Web service operation server 130 has stopped abnormally, and in this case, information on all Web service programs started in the Web service operation server 130. It has a stop server information collection function for collecting as a list of registered Web service IDs 302.
Further, the Web service program status management unit 142 uses the collected registered Web service ID list as a key to update the management DB information update function for updating the corresponding information in the registered Web service management DB 144, and the update information updated here. And an update information registration function for registering in the UDDI registry 121 by connecting to the Web service operating state receiving unit 124 via the Web service operating state transmitting unit 141.

  The administrator instruction receiving unit 143 has a request information registration function for registering the information of the bind information unit 202, the information of the service description unit 203, and the registered Web service ID 302 in the registered Web service management DB 144. However, if the Web service program 132 to be registered is not activated at this time, the information of the Web service program execution unit ID 300 cannot be specified and is blank.

The administrator instruction receiving unit 143 has a Web service information registration function for registering registration information in the UDDI registry 121 via the Web service information operation unit 123.
Further, the administrator instruction receiving unit 143 has a Web service information update function that updates information in the registered Web service management DB 144 and a registry yield update function that updates information in the UDDI registry 121 via the Web service information operation unit 123. Have

  In addition, the Web service operating state transmission unit 141 and the Web service program state management unit 142 of the Web service management server 140 are Web service programs 132-1, 132-2,..., 132-n (collectively, “Web service A function of monitoring the operating state of the program 132).

  3 shows a part of the data management configuration in the registered Web service management table DB 144. A plurality of Web service program execution units 131-1, 131-2,. Registered in the UDDI registry 121, a Web service program execution unit ID 300 for uniquely identifying n, connection destination UDDI server information 301 for determining a UDDI server to be connected to notify the operating state of the Web service program 132 Registered Web service ID 302 used for designating an update destination for updating the Web service information, Web service operating state 303 for storing the operating state of each Web service program 131, and each Web service program The date when the execution unit 131 was most recently started The last start date / time 304 for storing the date, the last stop date / time 305 for storing the date / time when the Web service program execution unit 131 was most recently stopped, and the Web on which the Web service program execution unit 131 is actually operating It includes Web service program operating server information 306 that is information such as the IP address of the service program operating server 130.

  The Web service administrator terminal 150 registers, updates, and deletes information related to each of the Web service programs 132, and an administrator instruction transmission unit 151 that issues an operation instruction related to the Web service program 132. When the instructions are transmitted, the Web service management terminal 150 The management screen 152 is used by the person 160.

With the above configuration, when the Web service program state management unit 142 detects a change in the operation state of the Web service program 132, the Web service operation state reception unit 124 of the UDDI server 120 receives the change through the Web service operation state transmission unit 141. The information is notified, and the registered contents of the UDDI registry 121 are updated.
In addition, information such as an operation schedule related to the Web service program 132 can be registered in the UDDI registry 121 from the Web service administrator 160. When searching for Web service information, the Web service user 100 can consider the operation state of the Web service program in the search condition.
For this reason, it is possible to reliably connect to a running Web service program. Further, since the Web service user 100 can grasp the operation schedule information for the stopped Web service program, a processing request in anticipation of the schedule can be made.

[Description of Operation of Embodiment]
Next, the overall operation of this embodiment will be described.
First, the web service search server 120 acquires service operation information of the service providing server 130 (operation information acquisition step). Next, the service request terminal 110 makes a web service search request to the web service search server 120 (search request step). Next, the web service search server 120 searches for the web service and notifies the service request terminal 110 of the acquired search result and service operation information (operation information notification step). Next, the service request terminal 110 makes a service provision request to the web service provision server based on the search result and service operation information (service provision request step).

  Here, regarding the operation information acquisition process, the search request process, the operation information notification process, and the service provision request process, the execution contents may be programmed and executed by a computer.

  First, an operation for registering information related to the Web service program (hereinafter referred to as Web service program 132-1) 132-1 from the Web service administrator terminal 150 in the UDDI registry 121 will be described based on the flowchart shown in FIG. .

First, the web service administrator 160 specifies necessary information regarding the web service program 132-1 via the management screen 152 (step S501). This information corresponds to the information in the bind information part 202 and the information in the service description part 203 in the configuration shown in FIG. 2, and the registered Web service ID 302 is also included in this information.
The administrator instruction transmission unit 151 notifies the administrator instruction reception unit 143 of these pieces of information, and the administrator instruction reception unit 143 first registers the information in the registration Web service management DB 144 (step S502).
However, if the Web service program 132-1 to be registered is not activated at this time, the information of the Web service program execution unit ID 300 cannot be specified and is blank.

Next, the administrator instruction receiving unit 143 registers the registration information in the UDDI registry 121 via the Web service information operation unit 123 (step S503). The administrator instruction transmission unit 151 displays the registered result on the management screen 152 and completes the process (step S504).
Next, the operation of starting the Web service program execution unit 131-1 will be described based on the flowchart of FIG.

The Web service manager 160 transmits an activation request (instruction) to the active server management unit 134 based on the information displayed on the management screen 152 (step 601). This instruction includes information as to which Web service program is specifically activated.
The operating server management unit 134 receives the above instruction, starts the Web service program execution unit 131-1 (step S602), and starts the operating state management unit 133.

Here, the operating status management unit 133 activates the Web service program 132-1 that has received the activation instruction (step S603).
Next, the operation status management unit 133 pays out the registered Web service program execution unit ID, and transmits the registered Web service program execution unit ID and the list of operation statuses of the Web service program to the operation server management unit 133 (step) S604).

Next, the active server management unit 134 updates the registered Web service program execution unit ID 301 in the registered Web service management DB 144 via the Web service program state monitoring unit 142 (step S605).
Next, the Web service operation state management unit 142 connects to the Web service operation state reception unit 122 via the Web service operation state transmission unit 141 and registers registration information in the UDDI registry 121 (step S606).
The administrator instruction transmission unit 151 displays the result on the management screen 152 and completes it (step S607).

  Here, the registration operation of information related to the Web service program 132-1 has been described, but any of the Web service programs 132-1, 131-2,..., 131-n may be used.

  Next, the operation of notifying the UDDI server of the operating state change information when the operating state of the Web service program 132-1 changes will be described based on the flowchart of FIG.

First, the operating status management unit 133 detects that the operating status of the Web service program 132-1 has been changed (step S701).
Here, as an example of the detection method, (1) when the Web service program 132-1 has a potential bug and the Web service itself ends abnormally, the operation status management unit 133 (2) When an unrecoverable failure occurs, such as a deadlock during data update to the DBMS, when the Web service program 132-1 is performing actual processing For example, a method of notifying the operation status management unit 133 of a status change from an error processing program implemented in the Web service program 132-1 can be considered.

Next, the operation status management unit 133 displays the Web service program execution unit ID for changing the information, the registered Web service ID, the Web service operating state, and the last stop date / time information (if the Web service program is In the activated state, a set (operation information change information) of the last activation date / time information) is delivered to the operation server management unit 134 (step S702).
Next, the operating server management unit 134 updates the Web service operating state 303 and the like in the registered Web service management DB 144 via the Web service program state monitoring unit 142 (step S703).
Here, the Web service operation state management unit 142 connects to the Web service operation state reception unit 122 via the Web service operation state transmission unit 141, and registers the change information in the UDDI registry 121 (step S704).

  Next, the operation of notifying the UDDI server of the status change information of the running web service program when the web service running server 130 is abnormally stopped will be described with reference to the flowchart of FIG.

  First, when the Web service program execution unit 131-1 has stopped abnormally (step S801), the active server management unit 134 detects it (step S802). If the operation server management unit 134 is abnormally stopped (step S803), the Web service operation server 130 itself is urgently stopped (step S804) because it is determined that the Web service program 132 is not properly controlled. .

  Here, when the Web service operating server 130 is abnormally stopped (step S805), the Web service program state management unit 142 detects this (step S806).

In step S802, the active server management unit 134 collects information (list of registered Web service ID 302) of all Web service programs started in the stopped Web service program execution unit.
Further, in step S805, information (list of registered Web service ID 302) of all Web service programs started in the stopped Web service operating server 130 is collected.

Next, the Web service program state management unit 142 updates the corresponding information in the registered Web service management DB 144 using the collected registered Web service ID list as a key (step S807).
Here, the Web service operating state 303 is changed to stopped, and the last stop date and time 305 is updated to the date and time when the abnormal end is detected.
Next, the Web service program state management unit 142 connects to the Web service operation state reception unit 124 via the Web service operation state transmission unit 141, and registers the change information in the UDDI registry 121 (step S808).

  Next, an operation for updating information related to the Web service program 132-1 from the Web service manager terminal 150 will be described based on the flowchart shown in FIG.

  Regarding the information update of the information related to the Web service program 132-1, for example, by updating the function by expanding the function of the Web service program itself, or by contacting the Web service user 100 such as planned stoppage due to regular maintenance of the Web service program 131-1. The purpose of operation schedule notification is also considered.

The web service manager 160 specifies information related to the web service program 132-1 via the management screen 152 (step 901). The administrator instruction transmitting unit 151 passes the specified information to the administrator instruction receiving unit 143, and the administrator instruction receiving unit 143 first updates the information in the registered Web service management DB 144 (step 902).
Next, the administrator instruction receiving unit 143 connects to the Web service information operation unit 123 and updates the information in the UDDI registry 121 (step 903). The administrator instruction transmission unit 151 displays the result on the management screen 152 and completes it (step 904).

  Next, an operation in which the Web service user 100 searches for Web service information to be used and requests processing from the Web service program based on the search result will be described with reference to the flowchart of FIG.

First, the Web service user 100 designates a search condition using the application 111 (step S1001).
Here, as the search condition, for example, it may be specified to collect only information on a running Web service program, or collect results including those that are stopped.
Next, the application 111 transmits the search condition to the search information operation unit 112, and the search information operation unit 112 notifies the search processing unit 122 of the search condition (step S1002).

Next, the search processing unit 122 searches and collects registration information (including the operation status of the Web service program) in the UDDI registry 121 based on the notified search condition, and only retrieves information related to the Web service program that is running, for example. Assembly processing such as listing is performed, and the processing result is returned to the search information processing unit 112 (step S1003).
Next, the search information processing unit 112 analyzes the content of the returned information and displays it on the application 111, a Web browser, or the like (step S1004).

  Here, the display content includes, for example, an ID for uniquely identifying the registered Web service, a service name indicating the name of the Web service, and an access destination used when actually connecting to the Web service program as shown in FIG. It includes a URL, a name of a providing organization that provides a Web service, a state that indicates the activation state of the Web service, a comment field that can freely specify information notified by the Web service provider, and the like.

Instead of the comment field 406, for example, information indicating a maintenance plan such as service stop date / time and service restart date / time may be standardized and stored.
Thus, even if the information is related to the stopped Web service program 132-1, the Web service user 100 makes the Web service program 132- based on the contents described in the comment field 406 and the standardized schedule information. It is possible to perform flexible operation such as adjusting the time zone in which 1 is used, or reading the information by the application 111 and automatically executing a specific process at a specific date and time.

Next, the web service user 100 starts using the web service via the application 111 based on the information acquired in step 1004 (step S1005).
Here, the application 111 analyzes connection destination information of a Web service program (here, Web service program 132-1) that is actually connected to the Web service program connection unit 113, and sends a processing request to the Web service program 132. -1 (step 1006).

Next, the Web service program 132-1 executes processing and returns the result to the Web service connection unit 113, and the Web service connection unit 113 returns the result to the application 111 and displays it (Step 1007).
Next, when the Web service user 100 repeatedly issues a processing request to the Web service program 132-1, the use starts again from the application 111 (step 1008). If the Web service search is to be performed again, the search conditions are reset from the application 111 (step 1009).

  As described above, in this embodiment, the Web service user is actually operating by monitoring the operating state of the Web service program, storing the information in the UDDI registry, and using it as a Web service search condition. The web service program can be appropriately accessed.

  In the present embodiment, the operation state of the Web service program can be acquired in real time by monitoring the operation state of the Web service program, detecting a change in the operation state in real time, and notifying the UDDI registry.

  Further, the Web service program provider has a system for notifying the UDDI registry of unique information, so that the Web service user and the application started by the Web service user are based on information from the Web service provider. The Web service usage schedule can be adjusted.

  INDUSTRIAL APPLICABILITY The present invention can be applied to a business system that uses a combination of Web services that are scattered and published on the Internet. The present invention can be applied as a system that reduces a service failure that occurs when an abnormal termination occurs due to occurrence.

  In addition, UDDI, which is a standard specification for Web service directory services, is included, so if a vendor product that conforms to the UDDI specification is used, the interconnection between them can proceed smoothly. It is possible to apply to collaboration between the two.

  Furthermore, applications, business service programs, and their specifications are published on the Internet as part of the business, and users can combine them to create new additional functions, so-called Web 2.0 mashups and construction between companies It can be applied to a system linked with a service-oriented architecture (SOA) for linking existing existing systems flexibly and quickly.

It is a schematic block diagram which shows one Embodiment of the web service search system by this invention. It is explanatory drawing which shows the data structure relationship of the information regarding the web service program in the web service search system disclosed in FIG. It is explanatory drawing of a data structure in registration Web service management table DB in the information delivery system disclosed in FIG. It is a flowchart which shows the operation | movement which registers the information regarding the Web service program in the information delivery system disclosed in FIG. It is a flowchart which shows the operation | movement which starts the web service program execution part in the information delivery system disclosed in FIG. It is a flowchart which shows the operation | movement which notifies the operation state change information in the web service search system disclosed in FIG. It is a flowchart which shows the operation | movement which notifies the status change information of the web service program in the web service search system disclosed in FIG. It is a flowchart which shows the operation | movement which updates the information regarding the web service program in the web service search system disclosed in FIG. It is a flowchart which shows the operation | movement which requests | requires a process for the web service program in the web service search system disclosed in FIG. It is explanatory drawing which shows an example of the information regarding the web service program in the web service search system disclosed in FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 100 Web service user 110 Web service user terminal 111 Application 112 Search information operation part 113 Web service program connection part 120 UDDI server 121 UDDI registry 122 Search processing part 123 Web service information operation part 124 Web service operation state receiving part 130 Web service , 131-n Web service program execution unit 132-1, 132-2,..., 132-n Web service program 133 Operation status management unit 134 Operation server management unit 140 Web service management Server 141 Web service operating state transmission unit 142 Web service program state management unit 143 Administrator instruction reception unit 144 Registered Web service management database 150 Web -Bis administrator 151 administrators instruction transmitting unit 152 UI 160 Web service administrator 200 Business Information 201 service information section 202 bind information unit 203 service description part

Claims (8)

A web service providing server that provides a web service via a network; a service requesting terminal that receives the web service; and managing and registering information related to the web service and responding to a request from the service requesting terminal A web service search system comprising a web service search server for searching for a service,
The web service search server includes means for acquiring service operation information indicating an operation status of the web service from the web service providing server, and the service request terminal acquires the service operation information and includes the service operation information in the service operation information. A web service search system comprising means for specifying a web service provision request destination based on the request. The web service search system according to claim 1,
A web service management server that detects a change in the operating status of the web service and notifies the web service search server of the detection result is provided in the web service search server, and the web service search server A web service search system comprising a search condition setting function for setting search conditions for the web service based on the search condition. In the web service search system according to claim 2,
The web service management server has a web service information update request function for requesting the web service search server to update information related to the web service when a change in the operating status of the web service is detected. Web service search system characterized by In the web service search system according to claim 2,
The service request terminal is provided with an operation service request function for making a web service provision request to the web service provision server in operation based on an execution result of the search condition setting function. system. In the web service search system according to claim 3 or 4,
The service request terminal acquires information indicating a preset execution schedule of the web service of the web service providing server, and makes a web service provision request to the web service providing server based on the information A web service search system characterized by having a function. A web service providing server that provides a web service, a service requesting terminal that receives the web service, a web service search server that retrieves the web service and obtains service operation information indicating an operation status of the web service A web service search method for searching and providing the web service, comprising:
An operation information acquisition step of acquiring service operation information of the web service providing server, a search request step of making a search request of the web service to the web service search server, and a search acquired while performing the search of the web service A web service comprising: an operation information notifying step for notifying the service request terminal of the result and the service operation information; and a service provision requesting step for making a service provision request to the web service providing server based on the search result and the service operation information. retrieval method. A web service providing server that provides a web service, a service requesting terminal that receives the web service, a web service search server that retrieves the web service and obtains service operation information indicating an operation status of the web service A web service search program for searching and providing the web service,
An operation information acquisition function for acquiring the service operation information of the web service providing server; an operation information notification function for searching the web service and notifying the service request terminal of the acquired search result and the service operation information; Web service search program characterized by causing a computer to execute. A web service providing server that provides a web service, a service requesting terminal that receives the web service, a web service search server that retrieves the web service and obtains service operation information indicating an operation status of the web service A web service search program for searching and providing the web service,
A search request step for making a search request for a web service to the web service search server, and a service provision request step for making a service provision request based on a result of the search request and the service operation information are executed by a computer. Web service search program.

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