CN111046000A - Government data exchange sharing oriented security supervision metadata organization method - Google Patents
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Abstract
The invention provides a government data exchange sharing oriented security supervision metadata organization method, which comprises the following steps of 1: preprocessing data; step 2: constructing a supervision metadata organization model; and step 3: and storing the supervision metadata. The metadata organization method follows national relevant standard specifications, realizes organization and association of multi-dimensional information through a data exchange sharing model diagram, a data lineage diagram and a data version diagram, can support multi-dimensional supervision data security analysis such as data traceability, security monitoring analysis and compliance audit, and lays a foundation for effective organization, efficient analysis and application of multi-source heterogeneous security supervision data.
Description
Technical Field
The invention belongs to the technical field of government data exchange sharing safety supervision, and particularly relates to a safety supervision metadata organization method for government data exchange sharing.
Background
The government data exchange sharing platform supports cross-level, cross-region, cross-system, cross-department and cross-service government data sharing and service cooperation, and is a basic interconnection platform for government data exchange sharing. At present, government departments deploy government affair data exchange and sharing platforms, and a security module is implemented in the platforms, however, how to perform independent security supervision on the exchange and sharing platforms in a third view is a problem which needs to be solved urgently for guaranteeing the security of government data.
The security regulatory goals of government data exchange sharing platforms typically include whether the supervising user is performing data exchanges in accordance with the shared exchange specification, whether the data being exchanged for sharing is reasonably used by the user, and the like. In order to achieve the above objective, the security supervision platform collects and analyzes supervision data such as real-time exchange sharing information, log data of the exchange sharing platform, resource directories, and exchange sharing platform information in network traffic. How to realize efficient organization of massive supervision data under a unified model and support multi-dimensional analysis and utilization are key problems to be solved by a government data exchange sharing safety supervision platform.
The organization of massive amounts of data is a typical problem in the field of big data. The scholars put forward relevant data organization association models in the data lake and also put forward ideas of data context services, however, metadata information extracted by a government data exchange shared security supervision platform must conform to relevant specifications and standards. Therefore, the invention provides an efficient metadata organization method supporting multi-dimensional analysis for massive supervision data of a government data exchange sharing safety supervision platform.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a safety supervision metadata organization method facing government data exchange and sharing.
The invention is realized by the following technical scheme, and provides a safety supervision metadata organization method facing government data exchange and sharing, which comprises the following steps:
step 1: preprocessing data;
the data preprocessing specifically comprises the following steps:
102, extracting metadata information, namely extracting metadata information of government affair information resources from log data and flow reduction data of a platform, wherein the metadata of the government affair information resources comprise core metadata and expansion metadata;
103, analyzing data codes, analyzing the data according to a code specification, and extracting government affair information resource classification codes and government affair information resource sequence codes; the government affair information resource classification code consists of a class, an item and a detail; obtaining a 10-bit hash value corresponding to the data version through data content hash and using the 10-bit hash value as a platform code in the safety supervision platform; sequentially forming a resource data code by the government affair information resource classification code, the government affair information resource sequence code and the platform code, wherein the resource data code is used as a unique identification resource object in the metadata organization model;
step 2: constructing a supervision metadata organization model;
the construction of the supervision metadata organization model specifically comprises the following steps:
and step 3: a supervisory metadata store;
the supervision metadata storage specifically comprises:
and combining the supervision metadata organization model, organizing the recorded supervision data into map data, and finally storing the map data in a map database to provide data support for data version inquiry, data lineage tracing and source tracing of the upper layer and statistical analysis of a data exchange department.
Further, the information resource directories are divided into three major categories: topic classification, industry classification, and service classification.
Further, the core metadata and the extended metadata specifically include information resource classification, information resource name, information resource code, information resource provider code, information resource abstract, information resource format, information item information, shared attribute, open attribute, update period, release date, and associated resource code.
Further, the government data exchange sharing adopts an exchange method based on an HTTP protocol, an FTP protocol or a large file sharing protocol, and the exchange method is used as a government data exchange sharing model.
Further, the exchange information includes basic information of the demander, basic information of the data provider, and an exchange date.
The invention has the beneficial effects that:
aiming at large-scale safety supervision data of a government data exchange sharing platform, the invention provides a multi-dimensional safety supervision metadata organization model comprising user behaviors, an exchange sharing model, a data lineage and the like, and can support long-period data source tracing evidence obtaining, multi-dimensional data analysis and other upper-layer applications. The supervision metadata organization method for the government exchange sharing platform, which is disclosed by the invention, does not need to modify the existing sharing exchange platform, and has good expandability.
Drawings
FIG. 1 is a flow chart of a government data exchange sharing oriented secure regulatory metadata organization method of the present invention;
FIG. 2 is a schematic diagram of a supervisory metadata organizational model;
FIG. 3 is a schematic diagram of a regulatory metadata organizational model deployment framework;
FIG. 4 is a topological diagram of an exemplary administrative metadata organization method implementation;
FIG. 5 is a data history lineage diagram.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.
The invention provides a government data exchange sharing oriented security supervision metadata organization method, which supports multi-dimensional supervision data security analysis such as data traceability, security monitoring analysis and compliance audit and lays a foundation for effective organization, efficient analysis and application of multi-source heterogeneous security supervision data.
With reference to fig. 1 and 2, the present invention provides a secure regulatory metadata organization method facing government data exchange sharing, which includes the following steps:
step 1: preprocessing data;
the data preprocessing specifically comprises the following steps:
102, extracting metadata information, namely extracting metadata information of government affair information resources from log data and flow reduction data of a platform, wherein the metadata of the government affair information resources comprise core metadata and expansion metadata; the core metadata and the extended metadata specifically include information resource classification, information resource name, information resource code, information resource provider code, information resource abstract, information resource format, information item information, shared attribute, open attribute, update cycle, release date, and associated resource code.
103, analyzing data codes, analyzing the data according to a code specification, and extracting government affair information resource classification codes and government affair information resource sequence codes; the government affair information resource classification code consists of a class, an item and a detail; obtaining a 10-bit hash value corresponding to the data version through data content hash and using the 10-bit hash value as a platform code in the safety supervision platform; sequentially forming a resource data code by the government affair information resource classification code, the government affair information resource sequence code and the platform code, wherein the resource data code is used as a unique identification resource object in the metadata organization model;
step 2: constructing a supervision metadata organization model;
the construction of the supervision metadata organization model specifically comprises the following steps:
And step 3: a supervisory metadata store;
the supervision metadata storage specifically comprises:
and combining a supervision metadata organization model, organizing the recorded large-scale supervision data into map data, and finally storing the map data in a map database to provide high-quality data support for data version inquiry, data lineage tracing and data exchange department statistical analysis of the upper layer.
Aiming at a typical government data exchange sharing platform deployment scene, the invention adopts a bypass mode to deploy a supervision metadata organization model, and verifies the effectiveness of a safety supervision metadata organization method facing government data exchange sharing.
(A) method of implementation
According to the supervision metadata organization flow shown in fig. 1 of the present invention, the supervision metadata organization flow mainly comprises data preprocessing, metadata organization model construction and metadata model storage.
In step 101, log data of the exchange sharing platform, an exchange sharing resource directory and configuration information of the platform are collected. In addition, the flow of the inlet and the outlet of the exchange sharing platform is passively analyzed under the unauthorized condition, and the real-time data of the exchange sharing is obtained in a flow reduction mode.
In step 102, according to the collected log data and flow reduction data, metadata information such as data resource codes, departments, sharing exchange protocols and the like is extracted. And analyzing the resource directory of the exchange sharing according to a Json format, and acquiring information such as open sharing constraint conditions, exchange ranges and the like of the data resources.
In step 103, the data resource coding information is analyzed according to the coding specification in the "government affairs information resource catalog guide" (trial implementation), and the classification code and the sequence code of the government affairs information resource are extracted. And obtaining a 10-bit hash value corresponding to the data version as the platform code of the platform through data content hash. In the invention, the resource object code consists of a resource classification code, a resource sequence code and a platform code, and the resource data code is used as a unique identification resource object in the metadata organization model.
And obtaining basic data constructed by the metadata model in data preprocessing, and laying a foundation for constructing a supervision metadata organization model. The constructed administrative metadata organizational model is shown in FIG. 2. In step 201, a data exchange sharing model diagram is formed according to the exchange methods based on HTTP protocol, FTP protocol, large file sharing protocol, etc. adopted by the current government data exchange sharing, and information in the aspects of initial metadata exchange sharing protocol, model, application, etc. is recorded.
Any change information of the data is recorded through the data version map in step 202. In step 203, information of exchanging any resource data between government departments, including basic information of a demand side, basic information of a data provider side, exchange date and the like, is recorded, and further information on data operation behaviors of a user is stored.
And organizing the multi-source supervision metadata into mapping data by constructing a metadata organization model. In the invention, a Neo4j graph database is taken as a storage example, and efficient graph data storage is realized through a cyber language. And the data support is provided for applications such as data tracing, user behavior rules and the like based on the Neo4j supervision metadata storage.
(II) Experimental verification
In order to verify the effectiveness of the invention, the system architecture, network deployment and the like of the existing government data exchange sharing platform are not required to be changed, the existing exchange sharing platform is only required to push the supervision data, and the invention has good expandability and reliability. The generalized supervisory metadata organization method applies as shown in fig. 3. Furthermore, the invention takes a specific government data exchange sharing platform as an application scene, and verifies the effectiveness of the supervision metadata organization method in the government data exchange sharing safety supervision platform. The deployed network topology is shown in fig. 4. In the deployment, unauthorized analysis of the image original network flow can ensure the completeness of the supervision data, and the resource directory update, log data and the like all adopt a data push mode, so that the influence on the original platform is reduced as much as possible. The application of the data history lineage diagram is shown in fig. 5, which shows the change among different data versions, government department information of data exchanged and the like, and lays a foundation for upper-layer application of data traceability analysis and the like.
The security supervision metadata organization method for government data exchange and sharing proposed by the invention is introduced in detail, and the principle and the implementation mode of the invention are explained by applying specific examples, and the description of the embodiments is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (5)
1. A safety supervision metadata organization method facing government data exchange and sharing is characterized in that: the method comprises the following steps:
step 1: preprocessing data;
the data preprocessing specifically comprises the following steps:
step 101, data acquisition, namely acquiring log data, an information resource directory and passively and unauthorized acquired flow reduction data of a government data exchange sharing platform;
102, extracting metadata information, namely extracting metadata information of government affair information resources from log data and flow reduction data of a platform, wherein the metadata of the government affair information resources comprise core metadata and expansion metadata;
103, analyzing data codes, analyzing the data according to a code specification, and extracting government affair information resource classification codes and government affair information resource sequence codes; the government affair information resource classification code consists of a class, an item and a detail; obtaining a 10-bit hash value corresponding to the data version through data content hash and using the 10-bit hash value as a platform code in the safety supervision platform; sequentially forming a resource data code by the government affair information resource classification code, the government affair information resource sequence code and the platform code, wherein the resource data code is used as a unique identification resource object in the metadata organization model;
step 2: constructing a supervision metadata organization model;
the construction of the supervision metadata organization model specifically comprises the following steps:
step 201, establishing a government data exchange sharing model diagram and recording information of an initial metadata exchange sharing protocol, a model and application;
step 202, constructing a data version diagram to record any change information of data, taking the hash value of data content as data version information, comparing the hash values of data resource objects in a platform, if the hash values are consistent, determining that the versions are the same, and if the hash values are not consistent, adding a new data version;
step 203, constructing a data lineage diagram and recording the exchange information of any resource data among government departments;
and step 3: a supervisory metadata store;
the supervision metadata storage specifically comprises:
and combining the supervision metadata organization model, organizing the recorded supervision data into map data, and finally storing the map data in a map database to provide data support for data version inquiry, data lineage tracing and source tracing of the upper layer and statistical analysis of a data exchange department.
2. The method of claim 1, wherein: the information resource directories are divided into three major categories: topic classification, industry classification, and service classification.
3. The method of claim 2, wherein: the core metadata and the extended metadata specifically include information resource classification, information resource name, information resource code, information resource provider code, information resource abstract, information resource format, information item information, shared attribute, open attribute, update cycle, release date, and associated resource code.
4. The method of claim 3, wherein: the government data exchange sharing adopts an exchange method based on an HTTP protocol, an FTP protocol or a large file sharing protocol, and the exchange method is used as a government data exchange sharing model.
5. The method of claim 4, wherein: the exchange information includes basic information of the demander, basic information of the data provider and an exchange date.
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Cited By (4)
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| CN111984717A (en) * | 2020-08-26 | 2020-11-24 | 江西微博科技有限公司 | Big data intelligent government affair platform information management method |
| CN112052467A (en) * | 2020-09-01 | 2020-12-08 | 华中农业大学 | Food safety big data sharing method |
| CN112486764A (en) * | 2020-11-24 | 2021-03-12 | 云南电网有限责任公司信息中心 | System and method for issuing monitoring and changing content analysis |
| CN112800171A (en) * | 2020-12-29 | 2021-05-14 | 勤智数码科技股份有限公司 | Method for quickly forming catalog classification based on administrative regional relation |
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