CN114372104A - Electronic file metadata acquisition tool and method with good compatibility - Google Patents
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- 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
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Abstract
The invention discloses a metadata acquisition tool and a metadata acquisition method for an electronic file with good compatibility, which comprises an original electronic file, a single chip microcomputer, a data processing center and a metadata database, wherein a code recognizer is arranged in the data processing center, the data processing center is connected with a manual PC (personal computer) end, an automatic data acquisition device is arranged in the data processing center, and the automatic data acquisition device is used for reading data information in the electronic file according to a corresponding file reading rule. According to the electronic file metadata acquisition tool and method with good compatibility, files with different formats are classified by utilizing the data processing capacity of the single chip microcomputer, files with different types are processed in different modes, are stored in a universal format and are transmitted to the metadata database for storage, the compatibility of metadata is effectively improved, data sorting is carried out in the metadata database, and the accuracy of the metadata is effectively improved.
Description
Technical Field
The invention relates to the technical field of data acquisition, in particular to a tool and a method for acquiring metadata of an electronic file with good compatibility.
Background
Metadata is data that describes the background, content, structure of a file and its overall management process. Different from traditional writing, the metadata has richer connotation, more comprehensive functions and more strict requirements, and can not be written by file managers after files are filed or manually input by file managers or business personnel of a formation organization. Metadata needs to be planned in the whole process, needs to be embedded into a system, needs to be automatically collected in real time, and needs to truly and dynamically reproduce background information and process information of electronic file management. The realization of the automatic collection of the metadata is the requirement of the self management of the metadata and the requirement of forming the actual business of the organization.
In the data sharing platform, the accuracy of the metadata directly affects the positioning speed of the user on the required data, and the user can quickly position the required data, which is the most basic service requirement of the data sharing platform, so that the requirement on the accuracy of the metadata is high. The traditional metadata extraction methods are mostly bottom-up methods, and generally begin with a web page where data (e.g., a large number of scientific and technical documents published on the web) is located, and form final metadata by performing syntactic analysis, extraction, summarization, statistics, mining or machine learning on the data. Such methods do not guarantee the accuracy of the final extracted metadata and the obtained metadata format is not compatible by the data reader.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the electronic file metadata acquisition tool and method with good compatibility, and the tool and the method have the advantage of good compatibility.
Technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a compatible electronic file metadata collection instrument, includes original electronic file, singlechip, data processing center and metadatabase, the output of singlechip and data processing center's input electric connection, data processing center's output and metadatabase's input electric connection.
Preferably, a code recognizer is arranged inside the data processing center, the data processing center is connected with the manual PC end, and an automatic data collector is arranged inside the data processing center and reads data information in the electronic file according to corresponding file reading rules.
Preferably, a data processor is arranged in the metadata database, the metadata database is connected with a PC (personal computer) end of an administrator, and an output end of the metadata database is connected with a new database.
Preferably, the output end of the new database is connected with an OA server, the OA server is connected with an EDS encryption server in parallel, and the new database is in signal connection with the Internet through a 4G signal.
Another technical problem to be solved by the present invention is to provide a method for collecting metadata of an electronic file with good compatibility, which includes the following steps:
s1: the format and the attribute of the original electronic file are known, the files with different formats are divided into two types of identifiable source files and unidentifiable source files by utilizing the data processing capacity of the single chip microcomputer, and the two types of files are transmitted to the data processing center by the single chip microcomputer.
S2: firstly, acquiring the layout structure of target data for the data of the recognizable source file, and then positioning and reading the target data according to the acknowledged and determined file reading rule.
S3: files of unidentifiable source files are divided into two types of source files with high compatibility and poor compatibility according to compatibility, for the source files with high compatibility, corresponding software or hardware needs to be installed at a manual PC end, then corresponding data extraction rules are established to extract target data, for the source files with poor compatibility, manual intervention needs to be triggered, and corresponding conversion tools are written by engineers to read the source files.
S4: and the data processing center stores the data read in the S2 and the S3 in a universal format and transmits the data to the metadata base for storage.
S5: the data processor in the metadata base sorts the data, firstly, the carding is divided into accurate data, redundant data and error data, the accurate data is directly input into the new database, the redundant data processor resets and calibrates the data, then the calibrated data in the redundant data is screened out, the rest data is input into the new database, for the error data, after the intervention of an administrator, the correct item and the error item in the error data are determined, then the administrator modifies the error data, and then the error data are input into the new database.
S6: the EDS encryption server carries out encryption protection on the data in the new data, departments in enterprises can carry out encryption downloading on all the data in the new database from the OA server, and all the data in the new database can be encrypted and downloaded at a client through the Internet.
Advantageous effects
Compared with the prior art, the invention provides the electronic file metadata acquisition tool and the method with good compatibility, and the tool and the method have the following beneficial effects:
1. according to the tool and the method for collecting the metadata of the electronic files with good compatibility, all the electronic files are classified, corresponding software or hardware is required to be installed on a manual PC (personal computer) end for a source file with high compatibility, corresponding data extraction rules are established to extract target data, manual intervention is required to be triggered for the source file with poor compatibility, an engineer writes a corresponding conversion tool to read the source file, the source file is stored in a universal format and then transmitted to a metadata base to be stored, the compatibility of all the metadata is improved, and reading is convenient.
2. The data is sorted by the data processor, the sorting is divided into accurate data, redundant data and error data, the accurate data is directly input into a new database, the redundant data is reset and calibrated by the data processor, the calibrated data in the redundant data is screened out, the rest data is input into the new database, and for the error data, after the intervention of a manager, the correct item and the error item in the error data are determined, then the error data are modified by the manager and input into the new database, so that the accuracy of all the metadata is effectively improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only 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 inventive labor.
FIG. 1 is a flow chart of a metadata collection method of the present invention;
FIG. 2 is a flow chart of extraction rule establishment in accordance with the present invention;
FIG. 3 is a flow chart of the present invention for sorting data in a metadata repository;
FIG. 4 is a flow chart of data encryption analysis according to the present invention.
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 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 fixedly connected, detachably connected, or integrally formed; 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.
Referring to fig. 1-4, the present invention provides: an electronic file metadata acquisition tool with good compatibility comprises an original electronic file, a single chip microcomputer, a data processing center and a metadata base, wherein the output end of the single chip microcomputer is electrically connected with the input end of the data processing center, the output end of the data processing center is electrically connected with the input end of the metadata base, a code recognizer is arranged inside the data processing center, the data processing center is connected with a manual PC (personal computer) end, an automatic data acquisition device is arranged inside the data processing center and reads data information in the electronic file according to a corresponding file reading rule, a data processor is arranged inside the metadata base, the metadata base is connected with the PC end of an administrator, the output end of the metadata base is connected with a new database, the output end of the new database is connected with an OA (office automation for business) server, the OA server is connected with an EDS (electronic data encryption system) encryption server in parallel, and the new database is connected with an internet signal through a 4G (fourth generation) signal, for the environment after encryption is installed, offline authorization can be set for a notebook computer which needs to go out for working, the notebook computer can be controlled to be used within a long time when being separated from the environment, and after the time is exceeded, the file is opened to be messy and cannot be used.
A metadata collection method for an electronic file with good compatibility comprises the following steps:
s1: the format and the attribute of the original electronic file are known, the files with different formats are divided into two types of identifiable source files and unidentifiable source files by utilizing the data processing capacity of the single chip microcomputer, and the two types of files are transmitted to the data processing center by the single chip microcomputer.
S2: firstly, acquiring the layout structure of target data for the data of the recognizable source file, and then positioning and reading the target data according to the acknowledged and determined file reading rule.
S3: files of unidentifiable source files are divided into two types of source files with high compatibility and poor compatibility according to compatibility, for the source files with high compatibility, corresponding software or hardware needs to be installed at a manual PC end, then corresponding data extraction rules are established to extract target data, for the source files with poor compatibility, manual intervention needs to be triggered, and corresponding conversion tools are written by engineers to read the source files.
S4: and the data processing center stores the data read in the S2 and the S3 in a universal format and transmits the data to the metadata base for storage.
S5: the data processor in the metadata base sorts the data, firstly, the carding is divided into accurate data, redundant data and error data, the accurate data is directly input into the new database, the redundant data processor resets and calibrates the data, then the calibrated data in the redundant data is screened out, the rest data is input into the new database, for the error data, after the intervention of an administrator, the correct item and the error item in the error data are determined, then the administrator modifies the error data, and then the error data are input into the new database.
S6: the EDS encryption server carries out encryption protection on the data in the new data, departments in enterprises can carry out encryption downloading on all the data in the new database from the OA server, and all the data in the new database can be encrypted and downloaded at a client through the Internet.
The data extraction rules in S2 and S3 are based on the basic principle of archive management and the management rule based on electronic files, and specifically comprise a source principle, an organic association principle and a front-end control principle; the redundant data in S5 may contain data with similar data item indexes but different meanings, and when calibrating the redundant data, it needs to determine which data are basic data and which are extracted data in the original electronic file, and it can be calibrated as redundant data for the latter.
Although the metadata collection reveals the contents and the generation rules of the files and the files by collecting, refining, analyzing and organizing the information of the electronic files, the source of the electronic files is emphasized during the collection on the premise of respecting the essential attributes and the rules of the files, so that the electronic files from the same source in the mechanism are intensively reflected by the metadata collection, the metadata is linked with the source of the files, and thus, various links between the files and the files from the same source are revealed by the metadata, and background information on the source is provided for the understanding and the utilization of the files and the files; the organic connection principle is also the basic principle of archive management, which means that the files in the system and the elements constituting the system need to be connected with each other in a space-time manner. Because electronic files are scattered in a computer in the form of binary codes, it is important to maintain organic relations among the files, and the maintenance of the organic relations is required to rely on metadata; in terms of metadata collection, in a mechanism of an electronic file management system, an electronic file is generated and operated in the system, a front end of the electronic file metadata collection is advanced to a design stage of the system, and the form of front end control is partially transferred to the design of system functions, namely, metadata requirements of various stages of a file life cycle are designed in the system as far as possible, and a reasonably functional OA system is used as a prerequisite for managing the electronic file.
The exact meaning of the original data attributes and the corresponding indicators is known. This is the basis for collecting the raw data. Some data indexes go through a continuous adjustment process, so that the attributes, structure, accurate meaning, included range and adjustment relation of the previous and subsequent time stages of the original data must be understood first, and the required data items and data extraction principles are determined.
Data sorting is the most time-consuming but most critical step in the data preprocessing process, generally, the acquired original data all have various problems or defects, sorting must be performed before the next processing, and data redundancy shows that data items with the same index meaning and the same data or data items with different index names and the same meaning and the same data appear in a time period or a data sequence, but it is to be noted that data with similar data item indexes and different meanings may be contained in redundant data.
In practice, it is prudent that a record is reserved at each step for returning to the previous step at any time so as to avoid causing a larger error, and therefore, administrator intervention is required.
The software environment will contain a large number of logical audit formulas, for example, the original software environment can still be rebuilt, the electronic data missing supplement or error correction should be carried out in the original system, thus the workload can be effectively reduced and the data accuracy can be improved, for the paper data, the corresponding logical audit relation can be established in the paper data by means of the computer spreadsheet software, the paper data can be input into the computer for audit and modification, thus the efficiency can be greatly improved, if the data is wrong, the arranged archive data loses the use value or causes negative effects, remarks and explanation must be made for the deleted, modified and estimated data, and the data modified archive is established for future reference.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a compatible good electronic file metadata acquisition instrument, includes original electronic file, singlechip, data processing center and metadatabase, its characterized in that: the output end of the single chip microcomputer is electrically connected with the input end of the data processing center, and the output end of the data processing center is electrically connected with the input end of the metadata database.
2. The tool of claim 1, wherein the tool comprises: the data processing system is characterized in that a code recognizer is arranged inside the data processing center, the data processing center is connected with the manual PC end, an automatic data collector is arranged inside the data processing center, and the automatic data collector reads data information in the electronic file according to corresponding file reading rules.
3. The tool of claim 1, wherein the tool comprises: the metadata database is internally provided with a data processor and is connected with a PC (personal computer) end of an administrator, and the output end of the metadata database is connected with a new database.
4. The tool of claim 1, wherein the tool comprises: the output end of the new database is connected with an OA server, the OA server is connected with an EDS encryption server in parallel, and the new database is in signal connection with the Internet through 4G signals.
5. A metadata collection method for an electronic file with good compatibility is characterized by comprising the following steps:
s1: knowing the format and the attribute of an original electronic file, dividing the files with different formats into an identifiable source file and a non-identifiable source file by using the data processing capacity of the single chip microcomputer, and transmitting the two types of files to a data processing center by the single chip microcomputer;
s2: firstly, acquiring a layout structure of target data for data of an identifiable source file, and then positioning and reading the target data according to a confirmed file reading rule;
s3: for the files of the unidentifiable source files, the source files are divided into two types of source files with higher compatibility and poorer compatibility according to compatibility, for the source files with higher compatibility, corresponding software or hardware needs to be installed at a manual PC end, then corresponding data extraction rules are established to extract target data, for the source files with poorer compatibility, manual intervention needs to be triggered, and an engineer writes a corresponding conversion tool to read the source files;
s4: the data processing center stores the data read in S2 and S3 in a universal format and transmits the data to the metadata database for storage;
s5: the data processor in the metadata base sorts the data, firstly, the carding is divided into accurate data, redundant data and error data, the accurate data is directly input into the new database, the redundant data processor resets and calibrates the data, then the calibrated data in the redundant data is screened out, the rest data is input into the new database, for the error data, after the intervention of an administrator, the correct item and the error item in the error data are determined, then the administrator modifies the error data, and then the error data are input into the new database;
s6: the EDS encryption server carries out encryption protection on the data in the new data, departments in enterprises can carry out encryption downloading on all the data in the new database from the OA server, and all the data in the new database can be encrypted and downloaded at a client through the Internet.
6. The method for collecting metadata of an electronic file according to claim 5, wherein the method comprises the following steps: the data extraction rules in S2 and S3 are based on the basic principles of archive management and the management rules based on electronic files, and specifically include a source principle, an organic association principle and a front-end control principle.
7. The method for collecting metadata of an electronic file according to claim 5, wherein the method comprises the following steps: the redundant data in S5 may contain data with similar data item indexes but different meanings, and when calibrating the redundant data, it needs to determine which data are basic data and which are extracted data in the original electronic file, and it can be calibrated as redundant data for the latter.
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Cited By (1)
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