CN107819824B - Urban data opening and information service system and service method - Google Patents
Urban data opening and information service system and service method Download PDFInfo
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Abstract
The invention discloses a city data opening and information service system and an information service method; the system comprises four subsystems: the system comprises a comprehensive portal, information fusion, information publishing and information subscription, and is used for realizing the unified access of data resources, the unified fusion of information resources, the service encapsulation of information resources, the service publishing of information resources, the subscription of information resources and the delivery of information resources; the invention can efficiently and completely realize management, release, subscription and interactive service of urban data resources.
Description
Technical Field
The invention relates to the technical field of smart cities, in particular to a city data opening and information service system architecture.
Background
In the construction process of smart cities, the requirements for opening, sharing and utilizing city data are increasing. A data support and service platform is built, and an ecosystem from point-to-point data sharing to multilateral data service and exchange is achieved for governments and society. On the premise of safety, controllability and authority classification, data mastered by governments are gradually opened to the public society through a platform, such as resource population, legal units, natural resources, space geography, medical health, social security, education culture, traffic tourism, industrial big data, service industry big data and the like. The method comprises the steps of constructing an information service platform, creating a source platform to support secondary development and utilization of data, and enabling the data to flow fully between government and social organizations so as to release data dividends, so that strategic support effects of data development and information service on public service, industry support and innovation and entrepreneurship are comprehensively supported.
Currently, there are patented technologies, systems and methods for message subscription based on message aggregation characteristics, the method receiving a message subscription from a user, the message subscription based on message aggregation characteristics including aspects other than textual content and bibliographic content, the method further comprising determining a published message in response to receiving the message subscription, the published message satisfying the message aggregation characteristics. The method also includes providing an indication of the published message to the user. However, such methods only cover part of the processing of city data. The invention aims to construct a complete data opening and information service system and provide a perfect information resource management, publishing, subscribing and interactive service mechanism.
Disclosure of Invention
The invention aims to construct a complete urban data open and information service system and provide a perfect information resource management, publishing, subscribing and interactive service mechanism.
The specific scheme is as follows:
and establishing a city data opening and information service system which comprises a comprehensive portal subsystem, an information fusion subsystem, an information publishing subsystem and an information subscribing subsystem. The integrated portal subsystem is used for providing a user information service entrance; the information fusion subsystem provides functions of information conversion, information aggregation processing and the like; the information issuing subsystem provides the functions of service encapsulation, resource issuing and the like of information resources; the information subscription subsystem provides the functions of subscribing and delivering the information and patient resources.
And establishing an information interaction relation among the comprehensive portal subsystem, the information fusion subsystem, the information publishing subsystem and the information subscribing subsystem. The integrated portal subsystem provides an information publishing request to the information publishing subsystem, an information processing request to the information fusion subsystem and an information subscription application to the information subscribing subsystem; the information publishing subsystem returns information service publishing, registering/deregistering information and monitoring information to the comprehensive portal subsystem, and information processing interaction is proposed to the information subscribing subsystem; the information fusion subsystem returns thematic information and an aggregation model to the comprehensive portal subsystem, and provides information processing interaction to the information subscription subsystem; and the information subscription subsystem returns a subscription application form, subscription information and an information evaluation form to the comprehensive portal subsystem.
And respectively designing and establishing system internal modules aiming at the comprehensive portal subsystem, the information fusion subsystem, the information publishing subsystem and the information subscribing subsystem. The integrated portal subsystem comprises an information resource management module, an information directory management module, an information synchronization service module, an information retrieval service module, an information portal management module and a system configuration management module; the information fusion subsystem comprises an information aggregation acquisition module, an information aggregation engine module, a thematic compilation tool module, an aggregation model management module, an information correlation query module and an information thematic module; the information issuing subsystem comprises an information resource registration module, a metadata acquisition module, an information service packaging module, an information service deployment module, an information service issuing module and an information state monitoring module; the information subscription subsystem comprises an information resource subscription module, a user subscription management module, an information delivery service module, a delivery state monitoring module, an information authorization management module and a user interaction management module.
The integrated portal subsystem software architecture is divided into a data layer and an application support layer. The data layer mainly realizes mass data access capability and provides storage services of an information directory structure, information resource description and user use logs. The stored data mainly comprises an information release database, a service database, various unstructured audio and video data files and the like. The application support layer provides support services for cataloging and organizing of information directories, information joint search and configuration management of a portal system, and comprises six functional modules of joint search, directory resource management, synchronous services, portal management, information resource management and system management.
The information fusion subsystem software architecture is divided into a data processing layer and an application supporting layer. The data processing layer provides storage service for the issued information which is not fused and processed and various aggregation models, and provides information aggregation acquisition and information aggregation engine service. The application support layer can be oriented to specific tasks and themes, a novel means of value-added information service is constructed, information from different sources is rapidly gathered, recombined and associated, and the integration and reporting capability of comprehensive information service is provided. The application support layer mainly comprises four theme function modules, namely information thematic display, information correlation query, a thematic reorganization tool and aggregation model management.
The software architecture of the information publishing subsystem is divided into a data processing layer and an application supporting layer. The data layer provides mass data access service, and provides access service of various information release data, unstructured data and various service system data. The application layer provides support for service packaging, resource publishing and the like of information resources, and comprises functional modules of resource publishing, service packaging, metadata acquisition, system monitoring and the like.
The software architecture of the information subscription subsystem is divided into a data processing layer and an application support layer. The data layer mainly realizes mass data access service and provides data storage service of delivery strategies and historical delivery records. The application layer provides service support for subscription, delivery management and user demand analysis of information resources, and comprises six theme function modules, namely information resource subscription service, user interaction management, user subscription management, delivery state supervision, information delivery service and information authorization management.
Aiming at the problem of 'information island' in the current e-government system, the invention discloses a system and a method for urban data opening and information service, which can realize the unified fusion, display, management, release and subscription mechanism of information resources of all business systems of government departments and provide information resource service capability facing to the government and the public.
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Fig. 1 is a functional architecture diagram of a city data open and information service system.
FIG. 2 is an integrated portal subsystem software architecture diagram.
FIG. 3 is an information fusion subsystem software architecture diagram.
Fig. 4 is an information distribution subsystem software architecture diagram.
FIG. 5 is an information subscription subsystem software architecture diagram.
Fig. 6 is an internal interaction diagram of a city data open and information service system.
Fig. 7 is a flowchart of the operation of the city data open and information service system.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and embodiments, it being understood that the specific embodiments described herein are only for the purpose of explaining the present invention and are not intended to limit the present invention.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The suffixes "module" and "unit" of an element are used herein for convenience of description, and thus may be used interchangeably without any distinguishable meaning or function.
Although all elements or units constituting the embodiments of the present invention are described as being combined into a single element or operated as a single element or unit, the present invention is not necessarily limited to such embodiments. According to the embodiments, all the elements within the object and scope of the present invention may be selectively combined to one or more elements and operated as one or more elements.
The following detailed description of embodiments of the invention refers to the accompanying drawings.
Fig. 1 is a functional architecture diagram of a city data open and information service system according to the present invention, the system mainly includes four parts, i.e., a comprehensive portal subsystem, an information fusion subsystem, an information publishing subsystem, and an information subscribing subsystem.
The integrated portal subsystem is used for providing a user information service entrance; the information fusion subsystem provides functions of information conversion, information aggregation processing and the like; the information issuing subsystem provides the functions of service encapsulation, resource issuing and the like of information resources; the information subscription subsystem provides the functions of subscribing and delivering information resources.
The comprehensive portal subsystem comprises an information resource management module, an information directory management module, an information synchronization service module, an information retrieval service module, an information portal management module and a system configuration management module;
the information resource management module is used for managing the whole process from collection, integration to access of information data, providing convenient information data access operation and operation control, establishing a management system comprising data audit, data storage backup, data quality management, authorization management, catalog management and system management, and realizing unified management of services such as collection, report, integration and sharing, information release and the like. Providing a data access management interface, and facilitating data definition, access object and access strategy management and system operation condition monitoring for a user;
and the information catalog management module is used for cataloging the information resources and establishing a perfect information resource catalog management system. The directory structure, the description template and the description items can be expanded according to business needs, and query service of information directory classification is provided. Adding a new catalogue as required, performing operations such as splitting, merging, modifying and the like on the catalogue, verifying the newly added catalogue, and managing the user use permission of the catalogue;
and the information synchronization service module is used for providing a data change capturing function and supporting the real-time capture of data changes based on database logs, file monitoring and other modes. The method provides a change information transmission function, supports the unified description of database data and file change conditions, and can transmit change data in two modes of network transmission protocol and physical storage medium. The method provides a data synchronization updating function, supports a timing, real-time and other time strategy and an event-based data synchronization strategy, supports two data synchronization modes of push/pull, supports data synchronization software state monitoring, supports a point-to-point and point-to-multipoint data synchronization mode, and can detect and solve data synchronization conflicts. Provides synchronous order editing and management functions, and can make, modify and delete orders. Providing distributed consistent transaction management functions and main server voting functions. The system comprises distributed lock service and node group management, wherein the node group management supports secondary development and use;
and the information retrieval service module is used for providing a uniform entrance for the retrieval of the information resources of the whole network for the user. The design of the information retrieval service mainly comprises six aspects of service deployment, retrieval flow, user preference learning, retrieval result merging and sequencing and interface display, and the functions of clustering of query results, learning of user interest, navigation of user retrieval, uniform sequencing of multi-source retrieval results, display of retrieval results and the like are realized. Meanwhile, dictionary management and retrieval source management functions are provided, maintenance management functions of a participle dictionary base, a synonym base, a related word base and a retrieval source are supported, and user authority control of the retrieval source and retrieval contents is supported;
and the information portal management module is used for providing information and user access, input and audit management, classifying and managing information resources, and realizing site setting and management of pages, layouts and styles. The method can add pages and components, provide user, role and portal setting management, provide the self-defining function of the webpage and the page template, and have the function of operating log management. The user may create and manage information topics by mouse clicks or keyboard shortcuts. And a prompt of success or failure of the operation is provided, for example, the execution time is long, and a waiting prompt is needed. The interface has simple and beautiful design, simple and convenient operation and certain flexibility. The interface adopts a menu and window mode to realize dynamic switching of multiple windows, pull-down, pop-up and the like;
the system configuration management module is used for providing management of system basic information, monitoring and managing system operation, and providing management including a user using the system, system roles, operation state, life cycle management and log management. The system management provides a uniform and standard interface, and can facilitate the management of various users on the emergency resource integration and sharing platform. And comprehensively monitoring and analyzing the running state of the system to find possible fault points as early as possible and take related preventive measures.
FIG. 2 is an integrated portal subsystem software architecture diagram.
The integrated portal subsystem is divided into an application supporting layer and a data layer according to a software architecture, wherein the application supporting layer comprises an information joint search module, a portal management module, a directory resource management module, a synchronous service module, an information resource management module and a system management module;
the system management module is mainly responsible for managing basic information of the system and monitoring and managing the operation of the system, can provide a uniform and standard interface, and is convenient for various users to manage the emergency resource integration and sharing platform;
the information resource management module can adopt a unified mechanism to realize the whole process management of information data from acquisition, integration to access;
the directory resource management can carry out operations such as splitting, merging, modifying and the like on the directory structure, the description template and the description items according to business needs, and carry out auditing and authority management on the newly added directory;
the portal management module provides information and user access, input and audit management, performs classified management on information resources, and realizes site setting and management of pages, layout and style;
the information joint search module provides a federal distributed search technology by relying on an information directory and provides a uniform entry for searching information resources of the whole network for users;
the synchronization service module can capture the change of data in real time based on technologies such as database logs, file monitoring and the like, and supports time strategies such as timing and real time and data synchronization updating technologies based on events.
The data layer comprises an information publishing database, a service database, an unstructured data/file module and a service system module.
The information release database is fused based on collected multi-source data to form a database for supporting information release; the service database is used for storing various service data. The unstructured data/file module is used for storing unstructured data/files; and the service system module is used for realizing the management of data.
The information fusion subsystem software architecture is divided into a data processing layer and an application supporting layer. The data processing layer provides storage service for the issued information which is not fused and processed and various aggregation models, and provides information aggregation acquisition and information aggregation engine service. The application support layer can be oriented to specific tasks and themes, a novel means of value-added information service is constructed, information from different sources is rapidly gathered, recombined and associated, and the integration and reporting capability of comprehensive information service is provided. The application support layer mainly comprises four theme function modules, namely information thematic display, information correlation query, a thematic reorganization tool and aggregation model management.
The information fusion subsystem comprises an information aggregation acquisition module, an information aggregation engine module, a thematic compilation tool module, an aggregation model management module, an information correlation query module and an information thematic module;
and the information gathering and collecting module is used for positioning and screening information resources according to the information theme. The system has the access authority identification, control capability and data auditing capability. Supporting automatic subject classification of the collected data, and performing automatic subject classification on the collected information by calculating semantic relevance between the collected data;
the information aggregation engine module is used for responding to the information aggregation request, explaining and executing the information aggregation model, realizing the concurrent calling of the multi-source information according to the incidence relation and the processing algorithm defined in the information aggregation model, and processing and recombining the returned result;
and the special topic editing tool module is used for configuring information acquisition rules according to the information requirements submitted by the users, classifying, screening, organizing, configuring and displaying the acquired information, finally forming information special topics, registering the information special topics to an information directory, and issuing the information special topics to the users of the whole network. The building, editing and managing capabilities of the data building blocks are provided, a building block type simulation data building function is supported, and thematic data with a hierarchical relationship can be generated;
and the aggregation model management module is used for providing a management means of the information aggregation model and supporting the definition, modification, retrieval and release of the information aggregation model. Organizing and arranging various information sources, defining the association relation among the information sources, and organizing into a logical composite information source. Providing update, verification and deletion functions of the aggregated model. Supporting a query information aggregation model;
and the information association query module is used for querying the association information step by step according to the information resource association relation. And the method supports the associative retrieval of thematic content according to the information resource attribute and thematic classification. The information of various resource libraries and business databases is classified, regionalized and combined to be inquired by a plurality of pieces, and the information is related to the data contents in other types or other elements through the related relation items in the inquiry result, so that the relevance between the elements and the intra-element relation can be realized, the inquiry result and the element relation can be graphically displayed, and the target related information can be inquired;
and the information thematic module is used for displaying thematic information contents according to thematic definitions and supporting the retrieval of the thematic contents according to the information resource attributes and thematic sub-classification. The method supports content updating and maintenance of the issued information topics, displays the information content of the topics according to topic definition, and supports content updating and maintenance of the issued information topics.
FIG. 3 is an information fusion subsystem software architecture diagram.
The information fusion subsystem software architecture is divided into a data layer and an application support layer. The data layer provides storage service for the issued information and various aggregation models which are not fused, and provides information aggregation acquisition and information aggregation engine service. The application support layer can be oriented to specific tasks and themes, a novel means of value-added information service is constructed, information from different sources is rapidly gathered, recombined and associated, and the integration and reporting capability of comprehensive information service is provided. The application support layer mainly comprises four theme function modules, namely information thematic display, information correlation query, a thematic reorganization tool and aggregation model management.
The special topic editing tool module generates special topic data with a hierarchical relationship based on a building block type simulation data construction technology according to information requirements submitted by a user;
the aggregation model management module provides a management technology of the information aggregation model to define, modify, retrieve and release the information aggregation model;
the information association query module can realize graphical display of query results and element relationships and information query of target association based on the association in and among the elements according to the information resource association relationship;
the information topic display module is mainly used for displaying the topic information content and supporting content updating and maintenance of the issued information topic.
The information aggregation engine module included in the data layer is mainly responsible for responding to the information aggregation request, interpreting and executing the information aggregation model and realizing the concurrent calling of the multi-source information;
the information focusing collection service module can locate and screen information resources according to information topics based on query and retrieval technologies provided by information catalogs and information search. The functions performed by the other databases are the same as those performed by the database in the prior art, and are not described herein again.
The information issuing subsystem comprises an information resource registration module, a metadata acquisition module, an information service packaging module, an information service deployment module, an information service issuing module and an information state monitoring module;
and the information resource registration module is used for registering the described metadata of the information resource to be registered in the directory system, binding a unique identifier generated by the directory system for the information resource after registration with the metadata, changing the state of the resource into a registered state, and persisting the registered state to the information release database. Revocation of already registered information resources from the directory system may also be implemented. After the directory system successfully logs out the information, the state of the resource is changed into a logged-out state and is persisted to an information release database;
and the metadata acquisition module is used for establishing a template for extracting specific metadata to realize automatic extraction of the metadata and local management of an extraction result. The method not only supports the automatic collection mode, but also can realize full extraction and incremental extraction. Describing the resources according to a unified discovery metadata standard, and uniformly storing the resources in an information release database;
the information service packaging module is used for carrying out service packaging on the structured data based on the database management system, and supporting various granularities such as a library, a table, a data set, data records and the like; the method supports extracting unstructured information from a file system, a database large field table and a content management subsystem, performs information packaging service on various unstructured data such as texts, pictures and tables, and uniformly manages the unstructured data in an information publishing database;
the information service deployment module is used for packaging, deploying and releasing the information service generated by encapsulation and supporting the monitoring of the service state;
and the information service publishing module is used for providing a set of universal operating environment for description, publishing, management and information registration of various shared information resources. Services such as resource creation, packaging, universal resource showing definition, resource registration, resource logout and the like are provided, the releasing functions of structured, unstructured, streaming media and real-time information are provided, and the editing, registration, management and logout of information resource description are supported;
and the information state monitoring module is used for providing information state monitoring after information acquisition and fusion processing, providing a current distribution state, an information display relation and an information flow state, and displaying the information state in a graphical mode. The information resource is monitored, a data manager is informed in time when the metadata is found to be updated or changed, the information resource catalog can be updated in time, and the control command of an operation manager is received.
Fig. 4 is an information distribution subsystem software architecture diagram.
The software architecture of the information publishing subsystem is divided into a data processing layer and an application supporting layer. The data layer provides mass data access service, and provides access service of various information release data, unstructured data and various service system data. The application layer provides support for service packaging, resource publishing and the like of information resources, and comprises functional modules of resource publishing, service packaging, metadata acquisition, system monitoring and the like.
The application supporting layer comprises a resource publishing module, a service packaging module, a service creating module, a service deploying module, a service publishing module, a system monitoring module and a metadata acquisition module;
the metadata acquisition module realizes automatic extraction of metadata and local management of an extraction result based on a template extracted by specific metadata;
the system monitoring module is mainly responsible for information acquisition and information state monitoring after fusion processing;
the service encapsulation module can realize the service encapsulation of the structured data and the unstructured data based on the related technologies of service creation, service deployment and service release, and uniformly manage the structured data and the unstructured data in an information release database;
the resource issuing module mainly provides editing, registering, managing and canceling of information resource description.
The data layer comprises an information publishing database, a service database, an unstructured data module and an unstructured file module.
The stored data mainly comprises an information release database, a service database, various unstructured audio and video data files and the like.
The information release database is fused based on the collected multi-source data to form a database for supporting information release;
the service database is used for storing various service data.
The information subscription subsystem comprises an information resource subscription module, a user subscription management module, an information delivery service module, a delivery state monitoring module, an information authorization management module and a user interaction management module;
the information resource subscription module is used for subscribing service based on subject and subscribing service based on content, and constructing a set of on-demand subscription environment aiming at various information resources, so that a user can subscribe information according to two modes of subject and content, and the source of information resource subscription can be an information catalog, an information search result or a user request form;
and the user subscription management module is used for providing a more accurate information subscription function for the user in a content and theme based mode, and generating an order from a subscription request submitted by the user and inputting the order into an order library. And the order library finishes the storage of the user orders, so that the user can inquire and update the subscription information of the user. The subscription requests submitted by all users form a multi-level index structure according to the information description rule, so that the matching speed of the subscription requests of the users is accelerated, the fast positioning of the subscription is realized, and the fast matching of the information and the subscription is ensured;
and the information delivery service module is used for making and modifying a distribution strategy for a user, dynamically adjusting the distribution strategy according to the current user requirement, the information resource state and the information priority, and ensuring that a corresponding delivery strategy is loaded during information delivery. The information delivery module encapsulates bottom layer transmission services such as long message transmission, short message transmission and the like, and can push data to a user through the bottom layer transmission services according to an order pushing address after receiving the pushed data submitted by order analysis. The method supports users to make and modify distribution strategies, can configure certain information resources to be actively pushed to certain users, and can deny or reject certain subscription requests of the users according to authorization. The distribution strategy can also be dynamically adjusted according to the current user requirement, the resource state and the information priority;
and the delivery state monitoring module is used for providing the current distribution state, the information delivery relation and the information flow state, displaying the current distribution state, the information delivery relation and the information flow state in a graphical mode, receiving a control command of an operation manager and adjusting the delivery state. And finishing the management and monitoring of the information resources during the operation, and distributing the information resources to users according to the user requirements, the resource state, the information priority and the like. And providing a history condition inquiry and communication interactive service after operation. And various information delivery services acquire a distribution strategy through a service interface provided by operation management, and determine response timeliness and user connection number according to the authority and priority of the strategy scheduling access user. Providing a user monitoring interface, and displaying a distribution state and a service operation condition in real time;
and the information authorization management module is used for providing a subscription request auditing process and a page, supporting manual auditing of the subscription request of a user and providing automatic approval strategy service. If the subscription application of the user accords with the approval strategy definition, the subscription application automatically passes the approval; otherwise, submitting the manual review process. The user can only access the data resource with specific authority by horizontally classifying the system resource and longitudinally classifying the user. All data are classified and managed and are associated with user levels, and the authority control function of the data is realized through the user levels so as to ensure the security of data sharing;
and the user interaction management module is used for providing a user reference log, a history record and a service evaluation mechanism. The method provides user subscription service oriented requirement analysis and opinion feedback, supports user satisfaction evaluation of data delivery, and integrates information browsing and subscription service quality ranking list.
FIG. 5 is an information subscription subsystem software architecture diagram.
The software architecture of the information subscription subsystem is divided into a data processing layer and an application support layer. The data layer mainly realizes mass data access service and provides data storage service of delivery strategies and historical delivery records. The application layer provides service support for subscription, delivery management and user demand analysis of information resources, and comprises six theme function modules, namely information resource subscription service, user interaction management, user subscription management, delivery state supervision, information delivery service and information authorization management.
The application supporting layer comprises an information resource subscription module, a user subscription management module, an information delivery service module, a user interaction management module, a delivery state supervision module and an information authorization management module;
the data layer comprises a delivery strategy database and a history database.
The functions of each module are similar to those of each module in the prior art by referring to the names of the modules, and are not described herein again.
In one embodiment, the city data open and information service system further comprises an interface module for implementing information transmission and interaction between the subsystems.
Fig. 6 is an internal interaction diagram of a city data open and information service system.
The connection relationship and the interactive content of each interface are shown in the following table:
TABLE 1 subsystem mutual information table
In addition, the invention also discloses a city information service method, which comprises the following steps:
accessing a corresponding business application system in a city through a business application adapter to acquire a plurality of business system information resources in the city;
uniformly fusing the information resources based on a city data standard library to form a special subject database corresponding to the city application; information resources contained in the special subject database have a uniform data format and are fused in the operation of urban information service;
performing service encapsulation on the uniformly fused information resources by using a predefined service encapsulation tool, and generating an externally open service interface;
performing service description on the packaged information resources by using a predefined service description rule, and performing resource publishing and providing an external subscription interface so that a user can obtain the information resource service through the interface;
and responding to the subscription request of the user, and delivering relevant information for the user.
Fig. 7 is a flowchart of the operation of the city data open and information service system.
In one embodiment, each business resource of the city accessed by the system is mainly a resource of each commission office, including a human-society office, a scientific and technological office, a public security office, a civil and administrative office, an education office, a cultural tourism office, a health planning agency, a business commission, a financial bureau, an audit bureau, a market supervision and management bureau and the like.
The system accesses the service application system of each commission office through the application adapter, so as to transmit the data to the data sharing exchange platform, set the mapping relation between the existing basic codes and data formats of the application system and the standard basic codes and formats of the data sharing exchange platform according to the basic codes and application information of the data of each service system, and store the converted data in the standard database of the data sharing exchange platform.
Based on the data stored in the platform standard database, the data are classified and integrated to form various special subject databases, such as economic subjects, traffic subjects, environmental protection subjects, public safety subjects, cultural subjects, educational subjects and the like.
And then, performing service encapsulation on various previously formed information resources by using a service encapsulation tool Apache CXF to generate a Web service description language, and opening a Web service or API (application program interface) to the outside.
And the packaged information resource services publish the service description documents thereof to a service registration center in the data sharing exchange platform for searching and calling of a service requester. The service requester, i.e. the user, sends a message for calling the service interface to the system according to the self requirement, and the system adapts, analyzes and forwards the message to finally find the service. And delivering the information resource to the user. And the system returns a service result after finding the service according to the calling service message of the user and pushes the service result to the user.
The city data opening and information service system overall architecture disclosed by the invention can realize reasonable sharing, development and opening of city data, can realize subscription of all business system information resources of each department of the government without leaving the residents, can efficiently realize the information resource service capability facing the government and the public, and effectively solves the problem of information isolated island.
While particular embodiments of the present invention have been shown and described, it will be obvious to those skilled in the art that, based upon the teachings herein, that changes and modifications may be made without departing from the exemplary embodiments of the present invention and its broader aspects. It is therefore intended that the appended claims encompass within their scope all such changes and modifications as do not depart from the true spirit and scope of the exemplary embodiments of this invention.
Claims (8)
1. A city data open and information service system, the system comprising:
the system comprises an integrated portal subsystem, an information fusion subsystem, an information publishing subsystem and an information subscribing subsystem;
the integrated portal subsystem is used for providing a user information service entrance;
the information fusion subsystem provides information conversion and information aggregation processing functions;
the information issuing subsystem provides service encapsulation and resource issuing functions of information resources;
the information subscription subsystem provides the customizing and delivering functions of the information resources;
the comprehensive portal subsystem comprises an information resource management module, an information directory management module, an information synchronization service module, an information retrieval service module, an information portal management module and a system configuration management module;
the information resource management module is used for managing the whole process from acquisition, integration to access of information data, providing convenient information data access operation and operation control, establishing a management system comprising data audit, data storage backup, data quality management, authorization management, directory management and system management, and realizing the unified management of acquisition, reporting, integration and sharing and information release services; providing a data access management interface, and facilitating data definition, access object and access strategy management and system operation condition monitoring for a user;
the information catalog management module is used for cataloging the information resources and establishing a perfect information resource catalog management system; according to business needs, the directory structure, the description template and the description items are expanded, and query service of information directory classification is provided; adding a new catalogue as required, performing splitting, merging and modifying operations on the catalogue, verifying the newly added catalogue, and managing the user permission of the catalogue;
the information synchronization service module is used for providing a data change capturing function and supporting the real-time capture of data changes based on database logs and a file monitoring mode; providing a change information transmission function, supporting the unified description of database data and file change conditions, and transmitting the change data through two modes of a network transmission protocol and a physical storage medium; the method has the advantages that a data synchronization updating function is provided, a data synchronization strategy based on timing and real-time and an event is supported, two data synchronization modes of push/pull are supported, the state monitoring of data synchronization software is supported, a point-to-point and point-to-multipoint data synchronization mode is supported, and data synchronization conflicts can be detected and solved; the synchronous order editing and managing function is provided, and orders can be made, modified and deleted; providing a distributed consistent transaction management function and a main server voting function; the system comprises distributed lock service and node group management, wherein the node group management supports secondary development and use;
the information retrieval service module is used for providing a uniform entrance for the retrieval of the information resources of the whole network for the user; the functions of clustering of query results, learning of user interest, navigation of user retrieval, uniform sequencing of multi-source retrieval results and displaying of retrieval results are realized; providing dictionary management and retrieval source management functions, supporting maintenance management functions of a participle dictionary base, a synonym base, a related word base and a retrieval source, and supporting user authority control of the retrieval source and retrieval contents;
the information portal management module is used for providing information and user access, input and audit management, classifying and managing information resources, and realizing site setting and management of pages, layouts and styles;
the system configuration management module is used for providing management of system basic information, monitoring and managing system operation, and providing management of users using the system, system roles, operation state, life cycle management and log management; the system management provides a uniform and standard interface, and can facilitate the management of various users on the emergency resource integration and sharing platform; and comprehensively monitoring and analyzing the running state of the system to find possible fault points as early as possible and take related preventive measures.
2. The system of claim 1, wherein the integrated portal subsystem is architecturally divided into two layers, an application support layer and a data layer;
the application supporting layer comprises an information joint searching module, a portal management module, a directory resource management module, a synchronous service module, an information resource management module and a system management module;
the data layer comprises an information publishing database, a service database, an unstructured data/file module and a service system module.
3. The system of claim 1, wherein the information fusion subsystem comprises an information gathering and collecting module, an information aggregation engine module, a topic compilation tool module, an aggregation model management module, an information association query module and an information topic module;
the information gathering and collecting module is used for positioning and screening information resources according to the information theme; the system has the access authority identification, control capability and data auditing capability; supporting automatic subject classification of the collected data, and performing automatic subject classification on the collected information by calculating semantic relevance between the collected data;
the information aggregation engine module is used for responding to the information aggregation request, explaining and executing the information aggregation model, realizing the concurrent calling of the multi-source information according to the incidence relation and the processing algorithm defined in the information aggregation model, and processing and recombining the returned result;
the special topic editing tool module is used for configuring information acquisition rules according to information requirements submitted by users, classifying, screening, organizing, configuring and displaying the acquired information, finally forming information special topics, registering the information special topics to an information directory and issuing the information special topics to users in the whole network; the building, editing and managing capabilities of the data building blocks are provided, a building block type simulation data building function is supported, and thematic data with a hierarchical relationship can be generated;
the aggregation model management module is used for providing a management means of the information aggregation model and supporting the definition, modification, retrieval and release of the information aggregation model; organizing and arranging various information sources, defining the association relation among the information sources, and organizing into a logically composite information source; providing update, verification and deletion functions of the aggregation model; supporting a query information aggregation model;
the information association query module is used for querying association information step by step according to the association relation of the information resources; supporting to associate and search thematic content according to the information resource attribute and thematic classification; the information of various resource libraries and business databases is classified, regionalized and combined inquired by a plurality of pieces, and is related to the data content in other types or other elements through the related relation items in the inquiry result, so that the relationship between the elements and the intra-element relationship can be realized, the inquiry result and the element relationship are graphically displayed, and the target related information can be inquired;
the information thematic module is used for showing thematic information contents according to thematic definitions, supporting the retrieval of thematic contents according to information resource attributes and thematic sub-classification; the method supports content updating and maintenance of the issued information topics, displays the information content of the topics according to topic definition, and supports content updating and maintenance of the issued information topics.
4. The system of claim 3, wherein the information fusion subsystem is architecturally divided into two layers, an application support layer and a data layer;
the application support layer comprises an information thematic display module, an information correlation query module, an aggregation model management module and a thematic compilation tool module;
the data layer comprises an information focusing acquisition service module, an information aggregation engine service module, an information subject library, a business database, a metadata library and an aggregation model library module.
5. The system of claim 1, wherein the information publishing subsystem comprises an information resource registration module, a metadata collection module, an information service encapsulation module, an information service deployment module, an information service publishing module, and an information status monitoring module;
the information resource registration module is used for registering the described metadata of the information resource to be registered in the directory system, binding a unique identifier generated by the directory system for the information resource after registration with the metadata, changing the state of the resource into a registered state and persisting the registered state to the information release database; realizing that the registered information resources are withdrawn from the directory system; after the directory system successfully logs out the information, the state of the resource is changed into a logged-out state and is persisted to an information release database;
the metadata acquisition module is used for establishing a template for extracting specific metadata to realize automatic extraction of the metadata and local management of an extraction result; supporting automatic collection, full extraction and incremental extraction; describing the resources according to a unified discovery metadata standard, and uniformly storing the resources in an information release database;
the information service packaging module is used for carrying out service packaging on the structured data based on the database management system and supporting various granularities of a library, a table, a data set and data records; the method supports extracting unstructured information from a file system, a database large field table and a content management subsystem, performs information packaging service on various unstructured data such as texts, pictures and tables, and uniformly manages the unstructured data in an information publishing database;
the information service deployment module is used for packaging, deploying and releasing the information service generated by encapsulation and supporting the monitoring of the service state;
the information service publishing module is used for providing a set of universal operating environment for description, publishing, management and information registration of various shared information resources; providing services of resource creation, encapsulation, universal resource display definition, resource registration and resource logout, providing the issuing functions of structured, unstructured, streaming media and real-time information, and supporting the editing, registration, management and logout of information resource description;
the information state monitoring module is used for providing information state monitoring after information acquisition and fusion processing, providing a current distribution state, an information display relation and an information flow state, and displaying the information state in a graphical mode; the information resource is monitored, a data manager is informed in time when the metadata is found to be updated or changed, the information resource catalog can be updated in time, and the control command of an operation manager is received.
6. The system of claim 5, wherein the information publishing subsystem is architecturally divided into two layers, an application support layer and a data layer;
the application supporting layer comprises a resource publishing module, a service packaging module, a service creating module, a service deploying module, a service publishing module, a system monitoring module and a metadata acquisition module;
the data layer comprises an information publishing database, a service database, an unstructured data module and an unstructured file module.
7. The system of claim 1, wherein the information subscription subsystem comprises an information resource subscription module, a user subscription management module, an information delivery service module, a delivery status monitoring module, an information authorization management module, and a user interaction management module;
the information resource subscription module is used for subscribing service based on subject and subscribing service based on content, and constructing a set of on-demand subscription environment aiming at various information resources, so that a user can subscribe information according to two modes of subject and content, and the source of information resource subscription is an information directory, an information search result or a user request form;
the user subscription management module is used for providing a more accurate information subscription function for the user in a content and theme based mode, and generating an order for a subscription request submitted by the user and inputting the order into an order library; the order library finishes the storage of user orders, so that the user can inquire and update the subscription information of the user; the subscription requests submitted by all users form a multi-level index structure according to the information description rule, so that the matching speed of the subscription requests of the users is accelerated, the fast positioning of the subscription is realized, and the fast matching of the information and the subscription is ensured;
the information delivery service module is used for making and modifying a distribution strategy for a user, dynamically adjusting the distribution strategy according to the current user requirement, the information resource state and the information priority, and ensuring that a corresponding delivery strategy is loaded during information delivery; the information delivery module encapsulates the long message transmission and short message transmission bottom layer transmission services, and after receiving the push data submitted by order analysis, the information delivery module pushes the data to the user through the bottom layer transmission services according to the order push address; the method supports the user to make and modify the distribution strategy, can configure a certain information resource to be actively pushed to certain users, and can deny or refuse certain subscription requests of the users according to authorization; dynamically adjusting a distribution strategy according to the current user requirement, the resource state and the information priority;
the delivery state monitoring module is used for providing a current distribution state, an information delivery relation and an information flow state, displaying the current distribution state, the information delivery relation and the information flow state in a graphical mode, receiving a control command of an operation manager and adjusting the delivery state; finishing management and monitoring of information resources during operation, and distributing the information resources to users according to user requirements, resource states and information priorities; providing historical condition query and communication interaction service after operation; various information delivery services acquire a distribution strategy through a service interface provided by operation management, and determine response timeliness and user connection number according to the authority and priority of a strategy scheduling access user; providing a user monitoring interface, and displaying a distribution state and a service operation condition in real time;
the information authorization management module is used for providing a subscription request auditing process and a page, supporting manual auditing of a user's subscription request and providing automatic approval strategy service; if the subscription application of the user accords with the approval strategy definition, the subscription application automatically passes the approval; otherwise, submitting the manual review process; the system resources are classified horizontally and the users are classified longitudinally, so that the users can only access the data resources with specific authority; all data are classified and managed and are associated with user levels, and the authority control function of the data is realized through the user levels so as to ensure the security of data sharing;
the user interaction management module is used for providing a user reference log, a history record and a service evaluation mechanism; the method provides user subscription service oriented requirement analysis and opinion feedback, supports user satisfaction evaluation of data delivery, and integrates information browsing and subscription service quality ranking list.
8. The system of claim 7, wherein the information subscription subsystem is architecturally divided into two layers, an application support layer and a data layer;
the application supporting layer comprises an information resource subscription module, a user subscription management module, an information delivery service module, a user interaction management module, a delivery state supervision module and an information authorization management module;
the data layer comprises a delivery strategy database and a history database.
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