CN100470542C - Database searching system - Google Patents
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- CN100470542C CN100470542C CNB200510006311XA CN200510006311A CN100470542C CN 100470542 C CN100470542 C CN 100470542C CN B200510006311X A CNB200510006311X A CN B200510006311XA CN 200510006311 A CN200510006311 A CN 200510006311A CN 100470542 C CN100470542 C CN 100470542C
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Abstract
A data base searching system includes a combined type data base searching engine including at least two data base searching tools providing at least one kind of data base searching condition format for said data base searching engine to search file fitting said condition format, a data base searching proxy unit establishing and training module for recording a group of searching parameter including a searching condition and weight value, an user interface, said data base searching proxy unit establishing and training module establishing data base searching proxy unit according to searched special quantitative file content in at least two data base searching tools.
Description
Technical field
The invention relates to a kind of database searching system, particularly same theme is searched about a kind of providing via different approaches.And can keep and carry the database searching system of search experience.
Background technology
Popularize and the internet enters the human lives along with computerized, the digitizing of many data is deposited in the various databases.The internet links to each other these database net nets, forms a huge large database, and how its result retrieves in this large database, searches out required information paper, become everyone on working, important problem in life.
For providing database search required, the dealer has been developed and various search tools.Wherein, modal is the search tools of so-called " full-text search " mode.The search tools of full-text search, generally speaking be to utilize some as " with (and) ", " with non-(nand) ", " or (or) " to wait to be combined into one group of search parameter, information paper content in the comparison database, and will meet the information paper of this search condition, as searching successful result.
Another kind of common search tools is to make the user import passage, as search condition.Search tools is looked for keyword in literal, and according to the content and the combination of keyword in the literary composition, forms one group automatically and search parameter, retrieves according to this group search parameter again.
Above-mentioned two kinds of methods, and other known method usually can only the single retrievals.The user retrieves same subject once again, need key in search condition again.In fact, because search condition and non-complex do not have yet and list record in for the value of utilizing once again afterwards.
Have a kind of can be according to the information paper content, set up one group of method of searching parameter.This method comprise to an information paper for example the content of one piece of article analyze, obtain one group and search parameter.This group is searched parameter through after user's repetition training, becomes one group of search parameter that can search user's required information file.This group is searched parameter becomes a database search proxy device, and the user can reuse.
A kind of portable database search proxy processing system is arranged, disclose a kind of Portable search proxy device.The user can be passed to it other computer equipment, and revises the content of this search proxy device at this another computer equipment by oneself or other people, becomes to meet the another kind of proxy server of searching purpose.
A kind of integrated database searching system must be arranged at present, and this system can integrate the disparate databases search tools, and selects to use for the user.
A kind of database searching system of novelty also must be arranged simultaneously, and this system is available for users to set up the search proxy device, for repeated use.
A kind of database searching system of integration also must be arranged simultaneously, be available for users to, establish the database search proxy device of usefulness with different search tools.
Simultaneously also a kind of database searching system must be arranged, be available for users to, set up and tranining database search proxy device with different search tools.
Summary of the invention
The object of the present invention is to provide a kind of integrated database searching system, this system can integrate the disparate databases search tools, and selects to use for the user.
A further object of the present invention also is to provide a kind of database searching system of novelty, and this system is available for users to set up the search proxy device, for repeated use.
Another object of the present invention also is to provide a kind of database searching system of integration, is available for users to different search tools, establishes the database search proxy device of usefulness.
Another object of the present invention also is a kind of database searching system is provided, and is available for users to different search tools, sets up and tranining database search proxy device.
For reaching above-mentioned purpose, the technological means that adopts according to the present invention is as follows:
A kind of database searching system, it comprises:
One combined type database search engine, comprising at least two kinds of database search instruments, each database search instrument provides at least a database search conditional formats, searches the file that searches for data that meets under this search condition form for this database search engine in a database;
One database search proxy device is set up and training module, to the content of one group of information paper, analyzes, sets up a database search proxy device; And obtain database search proxy device and the one group of information paper of setting up relevant with the database search proxy device of this foundation, database search proxy device with this foundation is searched in a database, accept the user and the information paper of searching gained is carried out the evaluation that meets or be not inconsistent with specific search purpose, and search the content and the evaluation thereof of the information paper of gained according to this, and the information paper relevant with the database search proxy device of this foundation, set up a correction database search proxy device, calculate this correction accuracy of database search proxy device again at the information paper search result of this group of information paper and this search gained, revise the content of this correction with the database search proxy device, to revise the database search proxy device of revising with database search proxy device and this foundation the back at last and merge, as revising back database search proxy device; Wherein, this database search proxy device writes down one group and searches parameter, and each is searched parameter and comprises that one searches index and weights thereof; And
One user's interface provides one group of activation means, activates any one of this at least two kinds of database search instruments for the user, and this database search proxy device is set up and any one of training function, and shows search result;
Wherein, these at least two kinds of database search instruments comprise an instrument that can utilize the database search proxy device to carry out data search; And this database search proxy device foundation and training module are set up the database search proxy device of this foundation at the information paper content of searching specific quantity in a group information paper that obtains at least according to one of these two kinds of database search instruments person.
Description of drawings
Fig. 1 represents the system diagram of database searching system of the present invention.
Fig. 2 promptly represents a kind of method flow diagram that produces a database search proxy device from a text file.
Fig. 3 shows the operation interface synoptic diagram of database searching system of the present invention.
Fig. 4 represents database search proxy device modification method process flow diagram of the present invention.
Symbol description among the figure:
10 combined type database search engines
11 keyword retrieval instruments
12 short essay gophers
13 correlativity gophers
14 proxy server gophers
16 correcting modules
20 database search proxy devices are set up and training module
30 databases
The operation interface of 40 database searching systems
41 keyword retrieval instrument buttons
42 short essay gopher buttons
43 correlativity gopher buttons
44 search proxy device gopher buttons
45 training tool buttons
The 46 positive buttons of estimating
47 negative evaluation buttons
Specific implementation method
The embodiment of database searching system of the present invention below is described.The present invention discloses a kind of integrated database searching system, has integrated different search tools in its Search engine, and the user can choose wantonly wherein a kind of or several search tools, for example retrieves required data in the internet at database.The data of gained can be used for setting up or revising a database search proxy device.This search proxy device becomes the search tools that can search required information paper in database through revising repeatedly.
Fig. 1 represents the system diagram of database searching system of the present invention.As shown in Figure 1, database searching system of the present invention comprises that mainly a combined type database search engine 10 and database search proxy device set up and training module 20.Below explanation respectively.
Combined type database search engine 10 comprises kinds of data storehouse search tools 11,12,13.In example of the present invention, the search tools that can be useful in this combined type database search engine 10 comprises various suitable search tools, for example the keyword retrieval instrument 11, can utilize one group of keyword with and operation relation, as " with (and) ", " with non-(nand) ", " or (or) " etc., in a database 30, find the information paper that contains this group keyword and meet its operation relation; Short essay gopher 12 can be imported one section short essay for the user, and this short essay is analyzed, be organized into a string keyword with and operation relation, as the database search condition, meet or near the information paper of this search condition and in database 30, look for; Correlativity gopher 13 can be imported an information paper, analyzes, sets up a database search proxy device automatically, and retrieves the information paper that meets search condition according to its content in database 30; Proxy server gopher 14 can be utilized a database search proxy device, retrieves the information paper of the search condition that meets this search proxy device representative in database 30; And other may be used for retrieving the search tools of the information paper that meets its search condition in database 30.
In the present invention, database search proxy device Si can show be:
S
i＝(x
i1，w
i1)，(x
i2，w
i2)，...(x
in，w
in)；
Wherein, the x table is searched and is used index, is text file as the archives of being searched, and then x can be a keyword, as is image, then is a feature, as is sound, then can be one section waveform or further feature; W then shows its corresponding weights.
In the present invention, this search proxy device can be an external search proxy device, also can be an inner search proxy device that produces.This database search proxy device can utilize any known technology to produce.For example, No. the 92123876th, TW patent application case promptly discloses a kind ofly with manual mode, searches one and use keyword, changes into the technology of a string search usefulness index.
No. 93105874, TW patent application case for example again then discloses and a kind of one or several information paper contents is analyzed, and produces the technology of a string search with index automatically.
Now be example with a technology, the production method of this database search proxy device is described.The following description, so that a text file article is analyzed, producing the search proxy device of describing this article characteristic is example.
Fig. 2 promptly represents a kind of method flow diagram that produces a database search proxy device from a text file.As shown in Figure 2, obtain an information paper in 201, this information paper is a text file; In 202 this literal file conversion is become the literal data formats, for processing.Carrying out the words dividing processing in 203 pairs of these literal files, is the continuous data of unit and this literal file conversion is become a string (word) with " speech ".Then, the number of times in 204 calculating each " speech " occur in this literal file obtains a string index set that is made up by " speech " and " word frequency ", is called " index data string ".Secondly, carry out normalization process (normalization) in 205 pairs of these index data strings.Normalization process can be eliminated text file length to index and influence that weights caused thereof.In practical application, can set a text file standard length.All pending articles and this setting value are compared, and its word frequency value is made normalization process with this fiducial value.
Once more,, but there is no the speech of index meaning, adjust in 206 high for word frequency.When adjusting, can reduce its weights to some at the speech that most of text files all can occur.
When adjusting, be, multiply by an adjusted value the word frequency value of preceding step gained.Make that its weights promptly level off to 0 when the article quantity that speech occurred when vast scale is high more more.
Through behind the above-mentioned treatment step, in 207 weights that obtain all speech, record in addition becomes a database search proxy device respectively.In this process, if utilize most text files, and comprise that " meeting " this search purpose reaches the text file of " not being inconsistent " this search purpose, then the database search proxy device of gained can comprise that weights are that positive index and weights are negative index.
Through after the above-mentioned steps, the text file that in step, once analyze, selected, obtain the representative text file of predetermined number, better comprise through being judged as the text file of " meeting " this search purpose and " not being inconsistent " this search purpose, together with its sign that " meets " this search purpose and " not being inconsistent " this search purpose, it is standby to be deposited.When selecting representative text file, can select the higher text file of absolute value of the degree of approximation.
In addition to the above methods, the method that other can set up the database search proxy device of similar structures also can be applicable to the present invention.
This combined type Search engine 10 can be obtained information paper A in this database 30, and with the comparison of the contained index of this database search proxy device, indicate existing index in this database, calculate the degree of approximation.
This combined type Search engine 10 compares an approximate value result of calculation and a critical value, picks out the information paper of approximate value greater than critical value, as search result.
In examples more of the present invention, this keyword searching instrument 11 can produce a database search proxy device of representing " notion " of this group keyword institute reference automatically according to one group of keyword that the user imported.This proof-of-concept database search proxy device can utilize manual type to set up, and also can utilize specific method to set up automatically.
In addition, this short essay gopher 12 also can provide a kind of and can form the function of a database search proxy device automatically according to the short essay that the user imported.Moreover this correlativity gopher 13 also can be utilized similar approach, sets up a database search proxy device, for the usefulness of retrieval.
When the user utilizes this combined type database search engine 10 to carry out data-searching, can select at least a of its search tools, in the data designated storehouse, retrieve.This database can be recording mediums such as the disk, CD of a computing machine, also can be an inner website, internet or any website.
Fig. 3 shows the operation interface synoptic diagram of database searching system of the present invention.As shown in Figure 3, the operation interface 40 of database searching system of the present invention comprises: a keyword retrieval instrument button 41, one short essay gopher buttons 42, a correlativity gopher button 43 and a search proxy device gopher button 44.In addition and comprise a training tool button 45 and a positive button 46 and the negative evaluation button 47 estimated.The user presses arbitrary gopher button with mouse, and behind the selected above database, can retrieve to meet or near the information paper of relevant search condition in this database.If employed search proxy device is outside the immigration, then the user need build in addition and put this search proxy device, and is self-evident.
Via the information paper of above-mentioned search gained, contain usually and meet the user and search within the purpose and hold.But, in the present invention, other provides a database search proxy device to set up and training module 20, remove the method for building up that can see through above-mentioned database search proxy device, set up outside the search proxy device, and can a database search proxy device be revised, become and more meet the required database search proxy device of user.
In other words, this database search proxy device set up and training module 20 in order to:
Set up the database search proxy device according to above-mentioned with keyword, set up the database search proxy device, set up modes such as search proxy device with the data file content, set up the database search proxy device with short essay; Or
With an extraneous search proxy device that moves into, be established as the database search proxy device; And
According to the content of another group database search proxy device, revise the content of a database search proxy device.
In the present invention, this database search proxy device set up and training module 20 with revising the correction database search proxy device of database search proxy device, at least a search tools that is provided according to this combined type database search engine 10 is retrieved one group of content that comprises at least one information paper of gained and is set up.Therefore, the user can utilize or not utilize a database search proxy device, searches, and to search the information paper of gained, revises a database search proxy device of having set up, makes it more to meet that it is required.For the method and system that TW patent application case " portable database search proxy processing system " is disclosed, also applicable at database search proxy device foundation of the present invention and training module 20, classify reference in the present invention as.Below with reference to this method, illustrate that this database search proxy device is set up and the step of training module 20 correction database search proxy devices.
For making a database search proxy device can meet specific user's demand, this database search proxy device is set up and training module 20 is that result with above-mentioned search is presented at this operation interface 40, estimates for the user.This user can read its content, and estimates.This evaluation generally includes whether meet the evaluation of searching purpose.In practical application, a button can be provided, the user only need key in " Y " and reach " N ", can finish evaluation.Represent promptly that when the user presses " Y " this information paper meets the search purpose, press " N " and represent that then this information paper does not meet the evaluation of this search purpose, then train by " T ".Certainly, other evaluation method for example makes the user mark, and also belongs to feasible.
Data file through the user estimates gives mark.Estimated the information paper of specific quantity as the user, after perhaps user's indication stops to estimate, the text file that this database search proxy device is set up and training module 20 is about to through estimating, add in the appended representative text file of this group of this external data storehouse search proxy device, and the representative text file of this group analyzed, obtain a correction database search proxy device, this proxy server S
tStill represent with following formula:
S
t＝(x
t1，w
t1)，(x
t2，w
t2)，...(x
tm，w
tm)。
X, w definition is the same.
Wherein, the user is chosen as the information paper of " not being inconsistent ", by the index that this information paper produced, its weights can be designated as negative value.The content of the representative text file of this group that the information paper that comprehensive user has estimated and this external data storehouse search proxy device are appended can produce a database search proxy device of the correction with negative weights.
In practical operation, be that this is revised with database search proxy device S as this search system according to an external data storehouse search proxy device
tTo comprise a large amount of search indexs identical with this external data storehouse search proxy device.This is because an external data storehouse search proxy device is to use for a long time through other people, the result of training gained.
This database search proxy device foundation and correcting module 20 are with the correction of gained database search proxy device, whether once again the representative information paper of this group adding new data file is compared, it is identical with " meeting " of being indicated or " not being inconsistent " to test each text file comparison result.Thereafter, the result adds up to comparison, calculates the accuracy (acc) of this correction database search proxy device.
Secondly, this database search proxy device is set up and correcting module 20 is revised this correction database search proxy device with this accuracy acc, and should revise with database search proxy device St and this external data storehouse search proxy device Si merging, become test database search proxy device Ss:
S
s＝{(x
sk，w
sk)}
Wherein,
k∈N。
The person of connecing, this database search proxy device is set up and correcting module 20 is compared to this group information paper once again, and a learning accuracy and a standard value are compared.Reached standard value as this accuracy, then this test is qualified database search proxy device with the database search proxy device, and the result who is searched is enough to meet user's demand.
Do not reach this standard value as this accuracy, then foundation of database search proxy device and correcting module 20 continue this external data storehouse search proxy device is revised.Its correcting mode can for example will should be revised with the contained weights of database search proxy device, all multiply by the product of this accuracy or all previous accuracy, merged with this former database search proxy device again.Or, revise index or its weights of this correction with the database search proxy device with other method.In addition, also can revise this former database search proxy device and this correction database search proxy device respectively, give merging again, all not having can not.
With revised test database search proxy device, search once again, estimate, calculate its accuracy, surpass this standard value up to its accuracy.Can obtain to meet required database search proxy device.
Comprehensively above-mentioned, the flow process of database search proxy device foundation of the present invention and correcting module 20 these former database search proxy devices of disposal system correction shown in the database search proxy device modification method process flow diagram of Fig. 4, and comprises the following steps:
Obtain in 401 and one of to write down group data search parameter in the external data storehouse search proxy device; This parameter comprises at least one search index and corresponding weights thereof;
In 402 information papers of obtaining a group and this group data search parameter correlation; This group information paper comprises most through being denoted as the data file that the data file that " conforms to " with the search purpose of this portable database search proxy device and most search purpose through being denoted as with this portable database search proxy device " are not inconsistent ";
In database 30, search according to this group of data search parameter in 403, obtain some meet or near the information paper of search condition;
In 404 information papers, choose the information paper of specific quantity, be shown in this operation interface 40 and read for users at gained;
Accept the evaluation of user in 405 to the information paper that provided; This evaluation comprises whether representative meets the evaluation of searching purpose;
To add in this group information paper through information paper and the sign thereof that the user estimates in 406;
Analyze this group information paper, generation one correction database search proxy device in 407; This correction is write down one group of data search parameter with the database search proxy device; Each is searched parameter and comprises at least one search index and corresponding weights thereof;
Compare in this group information paper with the database search proxy device with this correction in 408, the information paper of judgement predetermined quantity is respectively to meet and searches purpose or be not inconsistent the search purpose;
Met the search purpose or be not inconsistent the ratio that the search purpose conforms to what database search proxy device institute comparison result and this predetermined quantity information paper indicated with this correction in 409 calculating, as accuracy;
Adjust the parameter weights of this correction in 410 with this accuracy with the database search proxy device;
Use the database search proxy device in 411 these external data storehouse search proxy devices of merging and this adjustment back correction, obtain revising back database search proxy device;
In 412 these revised database search proxy devices of output, as correction result.
At last, in 413 information papers that deletion influences than nothing training effect in this group information paper, excessive to prevent the shared memory space of information paper.
As mentioned above, database searching system of the present invention can be integrated various database search instrument, carries out data search for the user, forms a database search proxy device, and can train this database search proxy device at any time, and it is required that it is more met.This database search proxy device can be external or built-in, and can be trained at any time.The invention provides a kind of comprehensively and the database searching system of integrating.
It more than is explanation to database searching system of the present invention, the personage who belongs to this field is not difficult by above-mentioned explanation, understand spirit of the present invention and then make different spreading out and stretch and change, only only otherwise exceed spirit of the present invention, all should be contained in its claim scope.
Claims (5)
1. a database searching system is characterized in that, comprising:
One combined type database search engine, comprising at least two kinds of database search instruments, each database search instrument provides at least a database search conditional formats, searches the information paper that meets the search condition under this search condition form for this database search engine in a database;
One database search proxy device is set up and training module, to the content of one group of information paper, analyzes, sets up a database search proxy device; And obtain database search proxy device and the one group of information paper of setting up relevant with the database search proxy device of this foundation, database search proxy device with this foundation is searched in a database, accept the user and the information paper of searching gained is carried out the evaluation that meets or be not inconsistent with specific search purpose, and search the content and the evaluation thereof of the information paper of gained according to this, and the information paper relevant with the database search proxy device of this foundation, set up a correction database search proxy device, calculate this correction accuracy of database search proxy device again at the information paper search result of this group of information paper and this search gained, revise the content of this correction with the database search proxy device, to revise the database search proxy device of revising with database search proxy device and this foundation the back at last and merge, as revising back database search proxy device; Wherein, this database search proxy device writes down one group and searches parameter, and each is searched parameter and comprises that one searches index and weights thereof; And
One user's interface provides one group of activation means, activates any one of this at least two kinds of database search instruments for the user, and this database search proxy device is set up and any one of training function, and shows search result;
Wherein, these at least two kinds of database search instruments comprise a database search proxy device search tools that utilizes the database search proxy device to carry out data search; And this database search proxy device foundation and training module are set up the database search proxy device of this foundation at the information paper content of searching specific quantity in a group information paper that obtains at least according to one of these two kinds of database search instruments person.
2. database searching system as claimed in claim 1 is characterized in that, this database search proxy device comprises:
S
i＝(x
i1，w
i1)，(x
i2，w
i2)，...(x
in，w
in)；
Wherein, S
iRepresent i search proxy device, on behalf of it, x search index, and w represents weights.
3. database searching system as claimed in claim 1 is characterized in that, the search tools that this combined type database search engine provides comprises the keyword searching instrument, short essay search tools, correlativity search tools and database search proxy device search tools; A database search proxy device is analyzed, set up to this correlativity search tools automatically to an input data file, and retrieve the information paper that meets search condition according to its content in a database.
4. database searching system as claimed in claim 1, it is characterized in that, this user's interface provides and comprises the keyword searching instrument, the short essay search tools, the activation button of correlativity search tools and database search proxy device search tools, set up the activation button of database search proxy device and correction database search proxy device, and whether the particular profile file is met the button of the evaluation of specific search purpose for user's input; A database search proxy device is analyzed, set up to this correlativity search tools automatically to an input data file, and retrieve the information paper that meets search condition according to its content in a database.
5. database searching system as claimed in claim 1 is characterized in that, this database search proxy device is set up and training module is that following formula waits to revise database search proxy device S with this
t={ (x
Tk, w
Tk) revise back correction database search proxy device S with this
i={ (x
Ik, w
Ik), become revised database search proxy device S
s:
S
s＝{(x
sk，w
sk)}
x
sk＝x
i，
Wherein, x
Sk=x
i,
x
sk＝x
t，
And
k∈N；
K ∈ N; x
kRepresent an index, w
kRepresent its weights, on behalf of this correction, acc search the accuracy of resulting information paper search result with the database search proxy device at this group of information paper and this.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510006311XA CN100470542C (en) | 2005-01-26 | 2005-01-26 | Database searching system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510006311XA CN100470542C (en) | 2005-01-26 | 2005-01-26 | Database searching system |
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| Publication Number | Publication Date |
|---|---|
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| CN100470542C true CN100470542C (en) | 2009-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB200510006311XA Expired - Fee Related CN100470542C (en) | 2005-01-26 | 2005-01-26 | Database searching system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102279850A (en) * | 2010-06-10 | 2011-12-14 | 深圳市博研科技有限公司 | Website construction management system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI484359B (en) * | 2012-10-26 | 2015-05-11 | Inst Information Industry | Method and system for providing article information |
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2005
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102279850A (en) * | 2010-06-10 | 2011-12-14 | 深圳市博研科技有限公司 | Website construction management system |
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| CN1811755A (en) | 2006-08-02 |
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