CN102117324B - File management method and management system applying fuzzy matrice - Google Patents
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Abstract
The invention discloses a file management method and a management system applying a fuzzy matrice. The management method comprises the following steps of conducting traverse searching on the files in a rigid disk, and obtaining all the features of each file in an NTFS (NT File System); generating a membership fuzzy matrice according to the file features, wherein the membership shows the correlation degree of the file and the features; and calling the membership fuzzy matrice according to the file features appointed by a user, and listing the file having the features. The management system comprises a file search engine, an operation system resource manager, a fuzzy matrice creater and a file querier. The method and system realize fuzzy management on the files and solve the defects that the NTFS cannot conduct fuzzy processing and the user can obtain the file needed only by conducting further judgment on the file searched. The fuzzy matrice is generated through automatically searching the file, and the user can search the relevant file fast when needing the file having a certain feature, thus improving efficiency.
Description
Technical field
The present invention relates to a kind of file management method and management system, relate in particular to a kind of file management method and system that uses fuzzy matrix.
Background technology
IT wave makes the data of electronization roll up, and the fast development of big capacity hard disk technology is then in technology and the possibility that storage heap file in computing machine financially is provided for the user.When files stored reaches some in the hard disc of computer, how effectively to manage, search and use these files just to become an important problem.Particularly when the user need carry out software development to file management, it is more outstanding that this problem just seems.In other words, compare with capacity problem, it is more and more important that efficiency is just seeming.
The user can use file management system self-built in the operating system at present; To present pandemic Windows operating system; The file management system of generally using is FAT32 and NTFS, and NTFS has become the main flow file management system of Windows operating system at present.Application software needs to use these two kinds of file management systems to operate when using file.Because the closure of these two kinds of file system; Make us can't further obtain its operational detail, and with regard to its operation performance, when carrying out the files in batches processing; Batch like a certain type file uses, has the retrieval of some same characteristic features file etc., has following deficiency:
1, comes management document according to filename.Filename is the basis of NTFS as the file most important characteristic, and the demand file name has uniqueness to a certain extent, when showing the user, also with filename as topmost displaying characteristic.And in actual use, the user gives identical filename for the different files under the different paths sometimes, when these files of user search, is difficult to distinguish.
2, file is adopted accurate management Strategy.NTFS can accurately manage it according to the various features of file, like the file title, and type, key word, date created is revised the date, path etc.When a plurality of files are directed against same theme; If the characteristic of these files in NTFS do not have the correlativity of dominance; As: check a certain employee's human resources file, possibly comprise the employee information file, labour contract file etc.; But state's laws rules file sometimes, the relevant manpower policy document of company etc. also can appear among the result.NTFS automatically judges needs and provide satisfactory result, the user must manually realize or come to realize automatically through database software.
3, adopt the strategy that uses as required fully.That is: when the user need use the file with certain characteristic, Windows just can search through the NTFS file management system, search finish after, just can need operate according to the user.So make and operate to file, particularly the quantity of documents that will operate of institute more for a long time, execution efficient is on the low side.
Summary of the invention
The purpose of this invention is to provide a kind of file management method and management system of using fuzzy matrix, automatically file is carried out traversal search, set up fuzzy set, set up file management according to the characteristic that it characterized and the value of degree of membership.When the user operated to the file with a certain characteristic, the presents management system can find associated documents fast according to the fuzzy set of having set up before this, and according to its degree of membership ordering, supplied the user to use.
The present invention provides a kind of file management method, comprising:
1) file in the hard disk is carried out traversal search,, obtain its all characteristic in NTFS to each file;
2) according to the characteristic of the file that obtains, the degree of membership fuzzy matrix of spanned file, degree of membership is represented the degree of correlation of file and characteristic;
3) according to the file characteristic of user's appointment, call the degree of membership fuzzy matrix, list the file that possesses this characteristic.When the user need operate to the file with a certain characteristic, method of the present invention can be listed the corresponding file that possesses this characteristic according to each degree of membership of the file that has this characteristic in the fuzzy matrix;
Said file management method utilizes the idling-resource of operating system to carry out automatically.
The file of said traversal search is the user file in the hard disk.System file is not searched for.The existing techniques in realizing of the identification terminal operating system capable of using of user file.
The generation method of said degree of membership fuzzy matrix is:
A, the rank relevant with file according to characteristic, i.e. the priority of characteristic generates the characteristic sparse matrix of single file, and the non-zero entry of matrix is represented the characteristic of this document;
B, on the basis of characteristic priority, obtain the degree of membership value of a file and a characteristic, promptly obtain the degree of correlation value of file and characteristic.The degree of membership value can manually be set by the user, and the binary contrast ranking method that also can adopt present widespread use is through calculating automatic setting.
C, the degree of membership that will comprise the All Files of same characteristic generate fuzzy set;
D, the fuzzy set of all characteristics is combined to form the degree of membership fuzzy matrix, the degree of membership fuzzy matrix is the total characteristic sparse matrix, and a non-zero entry in the matrix is represented a kind of characteristic.The total characteristic sparse matrix no longer is to be directed against the sparse matrix of some specific file, but is directed against the characteristic sparse matrix of all user files, all corresponding fuzzy set of non-zero entry characteristic of correspondence.All regard each fuzzy set as in the sparse matrix a element, directly generate sparse matrix and get final product, the simple application of mathematical concept just here, the total characteristic sparse matrix be generated as prior art.
The generation of said fuzzy set is that all comprise the file of same characteristic through single characteristic sparse matrix location.The characteristic sparse matrix of file is used for the characteristic that markup document had, and through sparse matrix, can locate the All Files that comprises a certain characteristic fast.Thereby the degree of membership of quick spanned file; Significantly reduce computing time.
The ordering of element is according to the ordering of degree of membership size in the said fuzzy set.Promptly according to the size of degree of membership value to the adjustment of sorting of element in the fuzzy set.
The said method of calling the fuzzy matrix files listed comprises:
Call the degree of membership fuzzy matrix, extract the nonzero element in the fuzzy matrix according to user's specific characteristic;
According to the corresponding degree of membership of nonzero element, list the degree of membership corresponding file.
Further, the said method of calling the fuzzy matrix files listed is:
Call the total characteristic sparse matrix, the corresponding element of total characteristic sparse matrix is extracted in the position corresponding according to user's specific characteristic;
Access element corresponding fuzzy collection;
List the All Files of fuzzy set record.Because in the generative process of total characteristic sparse matrix; Write down the pairing position of each characteristic, therefore when calling, only needed the existing simple sparse matrix feature extracting method of applied mathematics; Extract the element that indicates characteristic in the total characteristic sparse matrix, i.e. the fuzzy set of this characteristic.Fuzzy set has write down all and has comprised the file and the degree of membership thereof of this characteristic, has so just found all to have the file of this characteristic.
Listed file is by the output of degree of membership size order.
The present invention simultaneously also provides a kind of file management system, comprising:
Medium file search engine is used for all user files of traversal search hard disk.Medium file search engine can automatically perform, can compartment system file and user file;
The operating-system resources manager, the idling-resource of supervisory system also starts or the close file search engine according to the utilization rate of system resource;
The fuzzy matrix maker obtains degree of membership, generates the degree of membership fuzzy matrix;
The file polling device, according to user's specific characteristic, search degree of membership fuzzy matrix is listed the file that comprises this characteristic.When the user need inquire about the file that satisfies certain characteristic, this requestor was inquired about qualified degree of membership according to characteristic in fuzzy matrix, listed the pairing file of degree of membership.The process of inquiry is the process of extracting in the degree of membership fuzzy matrix to element that should characteristic; The mathematical principle of its utilization is: if extract that m altogether is capable, the element of capable, the j column position of i in the n row sparse matrix; Only need to use that n is capable, the m column matrix multiplies each other with it and gets final product; Require that this matrix is capable except that j, i column position element is 1, other position elements all are 0.
The advantage and the good effect of invention:
Set up the file management system that relies on the file characteristic degree of membership; Thereby realize fuzzy management to file; Can use to the file of fuzzy characteristics, solved the NTFS system and can't carry out Fuzzy Processing, the user need further judge the deficiency of the file that just can obtain needs to the file that retrieves.Before using file, through automatic retrieving files, generating feature sparse matrix and fuzzy matrix, set up management to file system, when the user need use the file of a certain characteristic, can retrieve associated documents rapidly, improved utilization ratio.
Description of drawings
Fig. 1 is the FB(flow block) of management method of the present invention;
Fig. 2 is the FB(flow block) of process user file step in the embodiment of the invention;
Fig. 3 is the FB(flow block) when handling the unique user file in the embodiment of the invention;
Fig. 4 is the FB(flow block) of single characteristic in the process user file in the embodiment of the invention;
Embodiment
Can't carry out the fuzzy management of file and carry out the fuzzy slow problem of retrieval rate that makes of file in order to solve the NTFS system; The invention provides a cover file management way and a system; Through setting up fuzzy matrix, the importance of file characteristic and the correlativity of file and characteristic are quantized.When the user need use the file that comprises a certain fuzzy characteristics, the present invention will be the listed files of user after sorting by degree of correlation and importance.
File management system of the present invention comprises medium file search engine, all user files in the traversal search hard disk.
The operating-system resources manager, the idling-resource of supervisory system, when the system resource utilization rate is low, the startup file search engine, when the system resource utilization rate is higher, the close file search engine;
The fuzzy matrix maker calculates or obtains the degree of membership of file, and generates fuzzy set according to the degree of membership of file, generates the degree of membership fuzzy matrix according to fuzzy set;
The file polling device, when the user need inquire about the file that satisfies certain characteristic, this requestor was inquired about qualified degree of membership according to characteristic in fuzzy matrix, listed corresponding file in proper order by the height of degree of membership.
Embodiments of the invention are the file pollings that carry out " human resources associated documents " this fuzzy characteristics.Employee's associated documents possibly comprise multiple different characteristic; Comprise employee's essential information, employee's performance information, evaluation of employee evaluation, company regulation and policy about the employee work post; Country is about the laws and regulations of human resources, the company regulations rules about human resources, distinctive alternative document of employee or the like.These characteristics are dispersed in the different files, and when the user need handle to the file of fuzzy characteristics, which file was that " human resources associated documents " need be decided according to the priority of characteristic and the degree of correlation of characteristic and file by treating as.Therefore; For all associated documents are set priority and degree of membership, when user inquiring, the listed files after will sorting according to the size of the height of priority and degree of membership offers the user; Make the preferential file of showing more satisfy user's subjective judgement, thereby saved user's the subjective judgement time.The user need delimit priority and degree of membership lower limit, and the file below the lower limit is not as " human resources file ", and the above file of lower limit just is used as Search Results and shows.
Fig. 1 is the overall procedure block diagram of management method of the present invention.
At first, medium file search engine travels through retrieval and extracts the characteristic of each file in the NTFS system all user files on the hard disk, and characteristic feature has filename and file type etc.
The second, the fuzzy matrix maker is according to each characteristic of user file, and the fuzzy matrix of spanned file degree of membership is gathered, i.e. the degree of membership fuzzy matrix.The concrete generation step of fuzzy matrix is following:
(1) according to the priority of the characteristic of having set, for user file is set up the characteristic sparse matrix;
(2) obtain the degree of membership of each characteristic in each file, concrete generative process is referring to Fig. 2,3,4.
Fig. 2 is the processing flow chart of user file among Fig. 1.In embodiments of the present invention, this program can confirm that file is directed against the priority and the degree of membership of this characteristic to handling such as the file with " human resources file " such fuzzy characteristics.In the flow process of process user file, at first file table and file characteristic management summary table have been handled in initialization; Extract user file then; Judge whether this document is treated,, if the untreated this document of then handling of this document, and upgrade and handled the file table and manage summary table with file characteristic if handled then extract next user file.
Fig. 3 is a process flow diagram of handling this document among Fig. 2; When user file is new untreated user file; All characteristics of extraction document and generate the Features Management table of this document then; Simultaneously, generate single file characteristic sparse matrix according to this Features Management table, the non-zero entry of matrix represent file characteristic.If this user file is the user file of handling, then find existing file characteristic admin table of this user file and corresponding file feature sparse matrix; Read each characteristic in the file characteristic admin table then, each characteristic is handled.
Fig. 4 has then shown flow process that characteristic is handled in the file characteristic admin table.Judge at first whether this characteristic was handled, if handled then backspace file processing; If do not handle to judge then whether this characteristic is new feature, if be not new feature, then directly read the degree of membership value of this characteristic, if this is characterized as the degree of membership value that new feature then generates this characteristic, this value is generated by binary contrast ranking method; The Features Management table of final updating file.
The degree of membership value of a characteristic that can obtain to comprise in the file through above-mentioned processing.
Table 1 is the file characteristic admin table example of a certain file.The file characteristic admin table comprises the title or the description of characteristic, in example, representes with capitalization A, B, C, has represented the characteristic of the required expression of user.Priority has been represented the relevant rank of file with characteristic, and the characteristic that priority is high shows that the significance level of the relative this document of this characteristic is also high, and the characteristic that priority is high will preferentially be offered the user and use.Degree of membership is represented the concrete degree of correlation of this document and each characteristic, and under the identical situation of priority, the file that degree of membership is high will preferentially be offered the user and use.
Table 1 file characteristic admin table
| Characteristic | A | B | C | D |
| Priority | 1 | 2 | 3 | 4 |
| Degree of membership | 0.75 | 0.88 | 0.63 | 0.44 |
(3) generate the degree of membership fuzzy set
Through above-mentioned file processing, obtain each file relatively after the degree of membership of each characteristic, the degree of membership that will comprise the All Files of same characteristic generates fuzzy set; As shown in table 2, the file that comprises the human resources characteristic has " employee's performance information ", " evaluation of employee evaluation ", " employee's essential information ", " employee post regulation ", " company's manpower system ".
Table 2 human resources file admin table
| File | Employee's performance information | Evaluation of employee is estimated | Employee's essential information | Employee post regulation | Company's manpower system |
| Priority | 1 | 1 | 3 | 2 | 4 |
| Degree of membership | 0.78 | 0.84 | 0.60 | 0.65 | 0.43 |
(4) fuzzy set with all characteristics is combined to form the degree of membership fuzzy matrix, and the degree of membership fuzzy matrix is the total characteristic sparse matrix, fuzzy set that a non-zero entry in the matrix is corresponding.The preferred diagonal line sparse matrix of this matrix.Element in the fuzzy set is by degree of membership height series arrangement.
The 3rd, the user can carry out file operation behind the acquisition fuzzy matrix.
File characteristic according to user's appointment calls fuzzy matrix, and according to this characteristic corresponding fuzzy collection, drop goes out to blur concentrates the degree of membership corresponding file, and exports from high to low by degree of membership.As shown in Figure 1; The user can operate file through the fuzzy data Processing Interface in the file polling device through the application program of oneself developing; That is to say; The user can import characteristic that the user need retrieve and required priority lower limit and degree of membership lower limit in the Fuzzy Processing interface, find out qualified file.
During such as inquiry " human resources " this characteristic, suppose that it is 3 that the user sets the priority lower limit, the degree of membership lower limit is 0.70.If the relation of the two is set at " or ", then Search Results is higher than 3 grades with display priority, and degree of membership is higher than 0.70 All Files.Then " employee's performance information ", " evaluation of employee evaluation ", " employee post regulation " these three files all become Search Results; " employee's essential information ", though priority meets the requirements, degree of membership is lower than 0.70, can not become Search Results; " company's manpower system " can not become Search Results equally.If the relation of the two is set at " with ", then only " employee's performance information ", " evaluation of employee evaluation " this two each and every one file become Search Results, and " employee post regulation " is because degree of membership is lower than 0.70, not as Search Results.Search Results is listed to the user with the form of two dimension according to the height order of priority and degree of membership.
Claims (9)
1. a file management method of using fuzzy matrix comprises the steps:
1) file in the hard disk is carried out traversal search,, obtain its all characteristic in NTFS to each file;
2) according to file characteristic, generate the degree of membership fuzzy matrix, degree of membership is represented the degree of correlation of file and characteristic; The generation method of said degree of membership fuzzy matrix is:
A, according to the priority of characteristic, generate the characteristic sparse matrix of single file, the non-zero entry of matrix is represented the characteristic of file;
B, on the basis of characteristic priority, obtain the single file degree of membership relevant with single characteristic;
C, the degree of membership that will comprise the All Files of same characteristic generate fuzzy set;
D, the fuzzy set of all characteristics is combined to form the degree of membership fuzzy matrix, the degree of membership fuzzy matrix is the total characteristic sparse matrix, and a non-zero entry in the matrix is represented a kind of characteristic;
3) according to the file characteristic of user's appointment, call the degree of membership fuzzy matrix, list the file that possesses this characteristic.
2. the file management method of application fuzzy matrix according to claim 1, the file that it is characterized in that said traversal search is the user file in the hard disk.
3. the file management method of application fuzzy matrix according to claim 1 is characterized in that all comprise the file generation fuzzy set of same characteristic through single characteristic sparse matrix location.
4. the file management method of application fuzzy matrix according to claim 1 is characterized in that element is according to the ordering of degree of membership size in the said fuzzy set.
5. the file management method of application fuzzy matrix according to claim 1 is characterized in that the said method of calling the fuzzy matrix files listed comprises:
Call the degree of membership fuzzy matrix, extract nonzero element corresponding in the fuzzy matrix according to user's specific characteristic;
The degree of membership corresponding according to nonzero element listed the degree of membership corresponding file.
6. the file management method of application fuzzy matrix according to claim 1 is characterized in that the said method of calling the fuzzy matrix files listed is:
Call the total characteristic sparse matrix, the corresponding element of total characteristic sparse matrix is extracted in the position corresponding according to user's specific characteristic;
Access element corresponding fuzzy collection;
List the All Files of fuzzy set record.
7. according to the file management method of claim 1 or 5 or 6 described application fuzzy matrixes, it is characterized in that listed file exports by degree of membership from high to low.
8. the file management method of application fuzzy matrix according to claim 1 is characterized in that said file management method utilizes the idling-resource of operating system to carry out automatically.
9. file management system of using fuzzy matrix is characterized in that comprising:
Medium file search engine is used for all user files of traversal search hard disk;
The operating-system resources manager, the idling-resource of supervisory system also starts or the close file search engine according to the utilization rate of system resource;
The fuzzy matrix maker obtains degree of membership, generates the degree of membership fuzzy matrix; The generation method of said degree of membership fuzzy matrix is:
A, according to the priority of characteristic, generate the characteristic sparse matrix of single file, the non-zero entry of matrix is represented the characteristic of file;
B, on the basis of characteristic priority, obtain the single file degree of membership relevant with single characteristic;
C, the degree of membership that will comprise the All Files of same characteristic generate fuzzy set;
D, the fuzzy set of all characteristics is combined to form the degree of membership fuzzy matrix, the degree of membership fuzzy matrix is the total characteristic sparse matrix, and a non-zero entry in the matrix is represented a kind of characteristic;
The file polling device, according to the file characteristic of user's appointment, inquiry degree of membership fuzzy matrix, and list corresponding file.
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| CN111680198A (en) * | 2020-04-29 | 2020-09-18 | 浙江海洋大学 | File management system and method based on file segmentation and feature extraction |
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| CN104991963B (en) * | 2015-07-23 | 2018-09-25 | 中国工商银行股份有限公司 | Document handling method and device |
| CN105159971B (en) * | 2015-08-26 | 2018-12-14 | 上海天使印记信息科技有限公司 | A kind of cloud platform data retrieval method |
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| CN101105799A (en) * | 2007-08-02 | 2008-01-16 | 华中科技大学 | Method for evaluating file importance degree |
| CN101458695A (en) * | 2008-12-18 | 2009-06-17 | 西交利物浦大学 | Mixed picture index construct and enquiry method based on key word and content characteristic and use thereof |
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| CN1629837A (en) * | 2003-12-17 | 2005-06-22 | 国际商业机器公司 | Method and apparatus for processing, browsing and classified searching of electronic document and system thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101105799A (en) * | 2007-08-02 | 2008-01-16 | 华中科技大学 | Method for evaluating file importance degree |
| CN101458695A (en) * | 2008-12-18 | 2009-06-17 | 西交利物浦大学 | Mixed picture index construct and enquiry method based on key word and content characteristic and use thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111680198A (en) * | 2020-04-29 | 2020-09-18 | 浙江海洋大学 | File management system and method based on file segmentation and feature extraction |
| CN111680198B (en) * | 2020-04-29 | 2021-05-11 | 浙江海洋大学 | File management system and method based on file segmentation and feature extraction |
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