CN111475545A - City base database system for smart city - Google Patents
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- CN111475545A CN111475545A CN202010255112.7A CN202010255112A CN111475545A CN 111475545 A CN111475545 A CN 111475545A CN 202010255112 A CN202010255112 A CN 202010255112A CN 111475545 A CN111475545 A CN 111475545A
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/24—Querying
- G06F16/245—Query processing
- G06F16/2458—Special types of queries, e.g. statistical queries, fuzzy queries or distributed queries
- G06F16/2471—Distributed queries
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/25—Integrating or interfacing systems involving database management systems
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/28—Databases characterised by their database models, e.g. relational or object models
- G06F16/283—Multi-dimensional databases or data warehouses, e.g. MOLAP or ROLAP
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Abstract
The invention relates to a city basic database system for a smart city, which comprises a data basic supporting unit, a data storage unit, a data interface service unit and a data management application unit; the data base supporting unit is used for collecting data of each commission bureau and collecting community data and retrieval comprehensive data; the data storage unit is used for building various databases and storing the data acquired by the data basic supporting unit in a classified manner; the data interface service unit is used for connecting the data storage unit and the data management application unit; and the data management application unit is used for receiving a request from a user, managing the database and the metadata of the data storage unit through the data interface service unit, managing the data quality and providing a sharing service of the data in the database. The invention realizes the construction of a perfect city basic database system, manages data resources in a unified way and can share data.
Description
Technical Field
The invention relates to a smart city, in particular to a city basic database system for the smart city.
Background
The smart city utilizes various information technologies or innovative concepts to communicate and integrate the system and service of the city, so as to improve the efficiency of resource application, optimize city management and service, and improve the quality of life of citizens. The smart city is a city informatization advanced form which fully applies a new generation of information technology to various industries in the city and is based on the innovation of the next generation of knowledge society, realizes the deep integration of informatization, industrialization and urbanization, improves the urbanization quality, realizes the fine and dynamic management, improves the city management effect and improves the quality of life of citizens.
At the stage of establishing a smart city at present, a complete city basic database system is not established, the city basic database system provides a service platform for related intelligent display of population, legal people, regional economy and the like and provides related business support, service objects comprise a city leader, various committees, enterprises and public institutions and city citizens, and long-term, as government departments manage dispersedly, system specifications are not perfect, repeated acquisition and multiple apertures are caused, index data of all the departments form a system, data standards are different, sharing degree is low, data resource dispersive management and data sharing are caused, and establishment of the smart city is blocked.
Therefore, it is necessary to design a system to implement the construction of a complete city base database system, effectively integrate the economic and social information resources of the whole city grasped by each government department, uniformly manage the data resources, and perform data sharing to accelerate the establishment process of the smart city.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a city basic database system for a smart city.
In order to achieve the purpose, the invention adopts the following technical scheme: the city basic database system for the smart city comprises a data basic supporting unit, a data storage unit, a data interface service unit and a data management application unit; the data base supporting unit is used for acquiring data of each commission bureau and acquiring community data and retrieval comprehensive data; the data storage unit is used for building various databases and storing the data acquired by the data basic supporting unit in a classified manner; the data interface service unit is used for connecting the data storage unit and the data management application unit; the data management application unit is used for receiving a request from a user, managing the database and the metadata of the data storage unit through the data interface service unit, managing the data quality and providing a sharing service of the data in the database.
The further technical scheme is as follows: the safety protection device also comprises a safety protection unit; and the safety protection unit is used for providing environmental protection and monitoring required by the operation of the data base unit, the data storage unit and the data management application unit.
The further technical scheme is as follows: the data base supporting unit comprises a data acquisition subunit, a data processing subunit and a data exchange subunit; the data acquisition subunit is used for acquiring data of each commission bureau and acquiring community data; the data processing subunit is used for comparing, cleaning and classifying the acquired data; and the data exchange subunit is used for uploading the classified data to the data storage unit.
The further technical scheme is as follows: the data base supporting unit further comprises a catalog subunit; and the directory subunit is used for storing a directory formed by cataloging the stored data by the data storage unit.
The further technical scheme is as follows: the data storage unit comprises a building subunit, a basic library subunit, a business theme library subunit, a catalog database subunit, a structured resource library subunit, a data warehouse subunit and an unstructured resource library subunit; the building subunit is used for building various databases; the basic library subunit is used for storing data corresponding to population, legal people, regional economy and space geography collected by the data basic supporting unit; the business theme library subunit is used for storing the business data acquired by the data basic supporting unit; the structured resource library subunit is used for storing the business information and the office information collected by the data basic supporting unit; the unstructured resource library subunit is used for storing the official document policy file collected by the data basic supporting unit; the data warehouse subunit is used for storing basic information of population, legal people, economy and government affairs collected by the data basic supporting unit; and the catalog database subunit is used for storing a catalog formed by cataloging the stored data and a catalog-corresponding data category.
The further technical scheme is as follows: the data management application unit comprises a metadata management subunit; and the metadata management subunit is used for reading and distributing the metadata to the data storage unit through the data interface service unit according to the request of the user.
The further technical scheme is as follows: the data management application unit further comprises a database management subunit; and the database management subunit is used for constructing a database for the data storage unit through the data interface service unit according to the request of the user.
The further technical scheme is as follows: the data management application unit also comprises a data quality management subunit; and the data quality management subunit is used for counting and monitoring the data read by the data interface service unit.
The further technical scheme is as follows: the data management application unit also comprises a database service subunit, which is used for reading the data in the corresponding database of the data storage unit through the data interface service unit according to the request of the user.
The further technical scheme is as follows: the data interface service unit comprises a query engine, and the query engine is used for querying the data storage unit according to the requirement of the data management application unit.
Compared with the prior art, the invention has the beneficial effects that: the data base support unit is used for collecting data of each commission office, collecting community data and retrieval comprehensive data so as to collect and summarize city-wide economic and social information resources mastered by each government department, and after the data are processed, the data are classified and stored in the data storage unit for unified management, and the data management application unit is used for calling and sharing data according to the requests of different users, so that a complete city base database system is constructed, the city-wide economic and social information resources mastered by each government department are effectively integrated, the data resources are uniformly managed, and data sharing can be performed so as to accelerate the construction process of a smart city.
The invention is further described below with reference to the accompanying drawings and specific embodiments.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic block diagram of a city-based database system for a smart city according to an embodiment of the present invention;
FIG. 2 is a block diagram of a data base support unit of a city base database system for a smart city according to an embodiment of the present invention;
FIG. 3 is a schematic block diagram of a data storage unit of a city-based database system for a smart city according to an embodiment of the present invention;
fig. 4 is a schematic block diagram of a data management application unit of a city-based database system for a smart city according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be connected or detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.
As shown in fig. 1-4, the present embodiment provides a city base database system 100 for smart city, the network infrastructure based on the smart city infrastructure can be applied to smart cities, relevant information resources can be obtained from various committees and offices, various smart applications or services through a data acquisition and exchange system, the obtained data are reintegrated according to business key points and leadership attention fields to construct a theme database, advanced technologies such as data mining, data analysis and business intelligence can be further utilized to convert the data resources into useful knowledge, information bulletins are displayed in multiple forms, powerful information support is provided for relevant business and leadership decisions, and the gathered and collected data are utilized, through screening and analysis, an urban data open sharing platform is established, and intelligent data information service is provided for citizens.
The city base database system collects, summarizes, counts and analyzes city population, legal person, economic and spatial geographic data information. The city basic database statistics plan is based on established and established intelligent application conditions of smart cities, and can be used for butt joint and integration of application data of intelligent traffic, intelligent tourism, intelligent communities, intelligent city management, intelligent police affairs, gridding, intelligent parking and the like. Besides the application data, in order to perfect the overall business function, sound support capability and expand the service field of the urban basic database and improve the accuracy of data analysis and prediction, the plan needs population basic relevant data such as public security, health care, civil administration and the like, enterprise legal person relevant basic data such as industrial and commercial, tax and the like, economic relevant data and the like. By means of the establishment of a basic database system, economic and social information resources of the whole city mastered by each government department can be effectively integrated, the requirement of government business on sharing of unified data resources is met, further, other analysis technologies can be matched to improve the situation analysis and prediction level, powerful support is provided for the government in development planning, investment layout, resource environment, management innovation, scientific decision and other businesses, and the ability of the government department in controlling the development situation of the economic and social whole city is improved.
Referring to fig. 1, the city-based database system 100 for smart cities includes a data-based support unit 110, a data storage unit 120, a data interface service unit 130 and a data management application unit 140; the data base supporting unit 110 is used for collecting data of each commission bureau and collecting community data and retrieval comprehensive data; specifically, data of each commission office can interact with the data base support unit 110 through a private network portal or the internet, the collected data is firstly compared and cleaned according to unified standards and specifications such as unified fields, unified names and the like, and then is classified and integrated to the city base database system through the shared exchange platform according to type classification through data exchange, and meanwhile, information resources are cataloged in the city base database system to realize the positioning and management of the resources.
The data source mainly comprises the service system and community data of each commission office. The data acquisition of the business system of each commission office is completed through the exchange system, and the data acquisition of the community is realized through the comprehensive data acquisition system.
The data storage unit 120 is used for building various databases and storing the data acquired by the data base supporting unit 110 in a classified manner; different databases are built, the collected data can be classified and stored, unified management is facilitated, corresponding data can be found quickly and accurately in calling processes such as sharing, and the whole data sharing efficiency is improved.
A data interface service unit 130 for connecting the data storage unit 120 and the data management application unit 140; the data interface service unit 130 supports the construction of the upper layer data management application unit 140, and provides support for each application function based on the city basic database. The data interface service unit 130 mainly includes various general component services such as a search service, a message service, an interface service, and the like, and also includes intermediate support systems such as user management and authentication, logging, monitoring, and the like, and meanwhile, the data interface service unit 130 has expansion and upgrade capabilities, and supports development or upgrade of services or components required by access of new services and new applications.
The data management application unit 140 is configured to receive a request from a user, manage the database and the metadata of the data storage unit 120 through the data interface service unit 130, manage the quality of the data, and provide a service for sharing the data in the database.
The data interface of the city basic database system is uniformly managed by a public information platform of a smart city PAAS layer, and other smart applications use the basic database data if necessary, apply for the public information platform and customize and develop according to specific requirements. The hierarchical, modular and standardized design of the data interface is beneficial to the expansibility of the system, and the expansibility design is mainly embodied in the following two aspects:
the data management application unit 140 has a layered design of protocols, each layer has definite functions, calling and information transmission can be performed between layers through a standardized interface, each layer can be independently realized, the flexibility is good, and for example, a communication sublayer can be realized by purchasing commercialized software; when the function of one layer protocol is expanded or changed, the function of the other layer protocol is not influenced;
and secondly, the data interface scheme design based on the XM L format and adopting the data registration standard has better flexibility and convenient system expansion, is suitable for the increase of an access system or the expansion of access information content, and is beneficial to meeting the requirements of new system access and system development.
In one embodiment, the city-based database system 100 for smart cities further includes a security protection unit; and the safety protection unit is used for providing environmental protection and monitoring required by the operation of the data base unit, the data storage unit 120 and the data management application unit 140.
The safety protection unit provides a system for fully guaranteeing, monitoring, operating and maintaining hardware and software environments necessary for running of the urban basic database, and comprises: a server, a storage device, a security protection system of a database system, etc.
And establishing standards and specifications of information resource acquisition and application. The security guarantee system is an important basis for guaranteeing the security of information resources, and the smart city data center can support the operation of city basic databases in the aspects of physical security, network security, host security, application security and the like.
In an embodiment, referring to fig. 2, the data base supporting unit 110 includes a data collecting subunit 111, a data processing subunit 112, and a data exchanging subunit 113; the data acquisition subunit 111 is configured to acquire data of each commission bureau and acquire community data; a data processing subunit 112, configured to perform comparison, cleaning and classification on the acquired data; and the data exchange subunit 113 is configured to upload the classified data to the data storage unit 120.
The data acquisition subunit 111 is used for acquiring data, and after corresponding processing and classification, the data is uploaded to the data storage unit 120 through the data exchange subunit 113 for classification storage, so as to form data in various databases, and the data is called by the data management application unit 140, thereby completing the data sharing operation.
In an embodiment, referring to fig. 2, the data base supporting unit 110 further includes a catalog subunit 114; a directory subunit 114, configured to store a directory formed by cataloging the stored data by the data storage unit 120. The directory is used to quickly look up and store data.
The data exchange subunit 113 completes the information exchange and sharing of multiple departments, and each functional department has established a relatively perfect service system, forming a large amount of information resources; the services of all departments are not relevant and isolated, basic data information can be shared and used when basic information resources are needed in the service handling process of the departments, the information sharing platform collects the information resources of the statistical system and all co-construction departments through a network, effectively classifies and arranges the information resources, realizes cross-department and cross-industry macro economic management information sharing, and provides data services for users.
In an embodiment, referring to fig. 3, the data storage unit 120 includes a building subunit 121, a basic library subunit 122, a business topic library subunit 123, a catalog database subunit 124, a structured resource library subunit 125, a data warehouse subunit 126, and an unstructured resource library subunit 127; a building subunit 121 for building various databases; a basic library subunit 122, configured to store data corresponding to population, legal person, regional economy, and space geography collected by the data basic supporting unit 110; a business theme library subunit 123, configured to store the business data collected by the data base supporting unit 110; a structured resource library subunit 125, configured to store the business information and the office information collected by the data base supporting unit 110; the unstructured resource library subunit 127 is configured to store the official document policy file collected by the data base supporting unit 110; a data warehouse subunit 126, configured to store basic information of population, legal, economic and government affairs collected by the data base supporting unit 110; the catalog database subunit 124 is configured to store a catalog formed by cataloging the stored data and a catalog-corresponding data category.
Data in the city basic database system are processed and arranged and serve as data sources of city data.
In an embodiment, referring to fig. 4, the data management application unit 140 includes a metadata management subunit 141; and a metadata management subunit 141, configured to perform, according to a request of a user, reading and distributing of metadata to the data storage unit 120 through the data interface service unit 130.
The data management application unit 140 further includes a database management subunit 142; and the database management subunit 142 is configured to build a database for the data storage unit 120 through the data interface service unit 130 according to a request of the user.
The data management application unit 140 further includes a data quality management subunit 143; and a data quality management subunit 143, configured to perform statistics and monitoring on the data read by the data interface service unit 130.
The data management application unit 140 further includes a database service subunit 144, configured to read, according to a request of a user, data in a corresponding database from the data storage unit 120 through the data interface service unit 130.
The city basic database system has the functions of the whole process of forming macro economic information, such as data exchange, storage, theme processing, query analysis, release management and the like. The system has the functions of planning design, metadata base management, data exchange processing, data centralized storage backup management, data integration processing, data scheduling management, theme management and maintenance, data analysis application and information release management.
The planning design and the metadata management mainly realize the standardized construction process of the macroscopic economic database, and are the design and management of the macroscopic library service and the technical standard. The data management application unit 140 completes the metadata storage, and the metadata storage is a metadata storage management system taking a management center metadata base as a core; the metadata management is mainly based on central metadata, and a unified metadata management mechanism of the macro economic database is established through reading, distribution, synchronous updating and maintenance of the metadata; the planning design is to perform unified design, maintenance and management on the service metadata taking the index as the core, and is an application process of the metadata.
The city basic database system realizes data exchange docking and data audit conversion processing, and the online exchange processing is realized by a private network; the data exchange docking mainly comprises the steps that preprocessed data scattered in each functional department are collected to respective exchange interfaces of a public basic database data center of a smart city through an exchange mechanism; including data communication, data exchange, and data interfacing functions. Data interfacing is also a way of data exchange; the data exchange docking also comprises that the data center downloads exchange data from the center to each node in a docking mode; the data auditing and converting refers to extracting the exchange data from each functional department, and auditing, verifying, converting, uploading and warehousing are carried out according to the requirements of the data exchange standard; the exchange monitoring management mainly realizes the functions of safety monitoring, exception handling, system monitoring and the like in the data exchange processing process.
The centralized data storage and management of the urban basic database system are mainly based on a basic database, the basic data storage is the centralized storage management of macro-economic society development data, the data integration processing is the further reprocessing processing of the original appearance data of the storage and basic database on the basis of data exchange processing so as to achieve the logical unification of the data, the data scheduling management is a unified ET L function for the data inside the system, namely the data can be subjected to data resource configuration and task scheduling configuration in the process of extracting, converting and loading the data from a source end to a destination end, and is a unified data scheduling platform inside the system, and the unified data management is used for realizing the unified management and maintenance of all levels of data of the smart urban public basic database on the basis of the basic database.
The city basic database system also realizes theme data management, the business theme base subunit 123 can have different forms according to different requirements of the theme application system, and there can be a plurality of business theme bases; the theme data management comprises the functions of extraction and processing of theme data, updating of a theme database, definition and maintenance of themes and the like.
The city base database system provides an analysis application data environment; basic information of macro economy and conventional topics or thematic analysis results are inquired and displayed; analyzing key demand indexes of different function leaders of the market committee; and E, electronically editing and publishing functions. The unified management of the release of the comprehensive data and the analysis result data of the macro library is realized, and the accuracy and authority of the released data are ensured.
In one embodiment, the data interface service unit 130 includes a query engine for querying the data storage unit 120 according to the requirements of the data management application unit 140.
The city basic database system adopts three acquisition modes of on-line filling, database butt joint and information-based data exchange, and intensively acquires, integrates and stores index data of all co-construction departments. The data base related to the central exchange stores original appearance data exchanged by all co-construction departments, and the basic data base is formed by examining, verifying, converting and processing the original appearance data and is a basis formed by the subject data base and the release base. The metadatabase defines and restricts the whole process of collecting, exchanging, integrating, storing, analyzing and publishing data. Users of the private network and the Internet can respectively access the data of the distribution area and the data of the Internet information distribution area through the portal system.
The city basic database system 100 for smart city uses the data basic support unit 110 to collect the data of each commission office and collect the community data and search comprehensive data through the data basic support unit 110, the data storage unit 120, the data interface service unit 130 and the data management application unit 140, so as to collect and summarize the economic and social information resources of the whole city mastered by each government department, and after processing, store the information resources in the data storage unit 120 in a classified manner, the system can be used for unified management, and the data management application unit 140 is used for data calling and sharing according to the requests of different users, so that a complete city basic database system is constructed, economic and social information resources of the whole city mastered by each government department are effectively integrated, data resources are managed in a unified manner, and data sharing can be performed, so that the establishment process of the smart city is accelerated.
The technical contents of the present invention are further illustrated by the examples only for the convenience of the reader, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation based on the present invention is protected by the present invention. The protection scope of the invention is subject to the claims.
Claims (10)
1. The city basic database system for the smart city is characterized by comprising a data basic supporting unit, a data storage unit, a data interface service unit and a data management application unit; the data base supporting unit is used for acquiring data of each commission bureau and acquiring community data and retrieval comprehensive data; the data storage unit is used for building various databases and storing the data acquired by the data basic supporting unit in a classified manner; the data interface service unit is used for connecting the data storage unit and the data management application unit; the data management application unit is used for receiving a request from a user, managing the database and the metadata of the data storage unit through the data interface service unit, managing the data quality and providing a sharing service of the data in the database.
2. The city basis database system for smart cities of claim 1, further comprising a security guard unit; and the safety protection unit is used for providing environmental protection and monitoring required by the operation of the data base unit, the data storage unit and the data management application unit.
3. The city-based database system for smart cities of claim 1, wherein the data-based support unit comprises a data acquisition subunit, a data processing subunit and a data exchange subunit; the data acquisition subunit is used for acquiring data of each commission bureau and acquiring community data; the data processing subunit is used for comparing, cleaning and classifying the acquired data; and the data exchange subunit is used for uploading the classified data to the data storage unit.
4. The city-based database system for smart cities of claim 3, wherein the data-based support unit further comprises a catalog subunit; and the directory subunit is used for storing a directory formed by cataloging the stored data by the data storage unit.
5. The city base database system for smart cities as claimed in claim 3, wherein the data storage unit comprises a building subunit, a base library subunit, a business topic library subunit, a catalog database subunit, a structured resource library subunit, a data warehouse subunit, and an unstructured resource library subunit; the building subunit is used for building various databases; the basic library subunit is used for storing data corresponding to population, legal people, regional economy and space geography collected by the data basic supporting unit; the business theme library subunit is used for storing the business data acquired by the data basic supporting unit; the structured resource library subunit is used for storing the business information and the office information collected by the data basic supporting unit; the unstructured resource library subunit is used for storing the official document policy file collected by the data basic supporting unit; the data warehouse subunit is used for storing basic information of population, legal people, economy and government affairs collected by the data basic supporting unit; and the catalog database subunit is used for storing a catalog formed by cataloging the stored data and a catalog-corresponding data category.
6. The city basis database system for smart cities of claim 1, wherein the data management application unit comprises a metadata management subunit; and the metadata management subunit is used for reading and distributing the metadata to the data storage unit through the data interface service unit according to the request of the user.
7. The city basis database system for smart cities of claim 6, wherein the data management application unit further comprises a database management subunit; and the database management subunit is used for constructing a database for the data storage unit through the data interface service unit according to the request of the user.
8. The city basis database system for smart cities of claim 7, wherein the data management application unit further comprises a data quality management subunit; and the data quality management subunit is used for counting and monitoring the data read by the data interface service unit.
9. The city basis database system for smart cities as claimed in claim 8, wherein the data management application unit further comprises a database service subunit for reading the data in the corresponding database from the data storage unit through the data interface service unit according to the request of the user.
10. The city base database system for smart cities as claimed in any one of claims 1 to 9, wherein the data interface service unit comprises a query engine for querying the data storage unit according to the requirements of the data management application unit.
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| CN112148717A (en) * | 2020-10-28 | 2020-12-29 | 云赛智联股份有限公司 | Data resource management system for urban data middling station |
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