CN103207904B - The offer method of Search Results and search engine - Google Patents
The offer method of Search Results and search engine Download PDFInfo
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- CN103207904B CN103207904B CN201310105315.8A CN201310105315A CN103207904B CN 103207904 B CN103207904 B CN 103207904B CN 201310105315 A CN201310105315 A CN 201310105315A CN 103207904 B CN103207904 B CN 103207904B
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Abstract
The present invention proposes a kind of offer method of Search Results, comprises the following steps:Search engine obtains history click data;Search engine receives search word, and obtains multiple cards related to search word according to search word;Search engine is clicked on the multiple cards of data genaration according to history and distinguishes corresponding weight information;And search engine is ranked up to multiple cards respectively according to the corresponding weight information of multiple cards.The method can help user effectively to organize the corresponding resource of arrangement name class demand, the various resource requirements such as the video of the search word of user input, picture, news, microblogging can be met with multiple cards, the each card order of dynamic adjustment can be selected according to the history click data of user again, varied with each individual meets user's popular search demand, and there is real-time, high efficiency and ease for use.
Description
Technical field
A kind of the present invention relates to search technique field, more particularly to offer method and the search engine of Search Results.
Background technology
At present, when user obtains the required information content by search engine, that is, search and obtain final product, that is, search and use.
But suffer from the drawback that:Effectively the Search Results acquired in the search word of user input are not carried out whole
Close, lack high efficiency and ease for use, and as user's request has differences, the Search Results after integration are due to user's request
Difference, the information result for representing is unsatisfactory for the demand of user, and user has page turning and the cost that finds, it is contemplated that unstable, waste
Time and have autgmentability.
Content of the invention
It is contemplated that at least solving one of above-mentioned technical problem.
For this purpose, first purpose of the present invention is a kind of offer method for proposing Search Results.The method can be helped
User effectively organizes the arrangement corresponding resource of name class demand, can be met with multiple cards the search word of user input video,
The various resource requirements such as picture, news, microblogging, can select each card of dynamic adjustment suitable according to the history click data of user again
Sequence, varied with each individual meet user's popular search demand, and there is real-time, high efficiency and ease for use.
Second object of the present invention is to propose a kind of search engine.
To achieve these goals, the offer method of the Search Results of first aspect present invention embodiment, including following step
Suddenly:Search engine obtains history click data;The search engine receives search word, and according to the search word obtain with described
The related multiple cards of search word;It is corresponding respectively that the search engine clicks on the plurality of card of data genaration according to the history
Weight information;And the search engine enters to the plurality of card respectively according to the corresponding weight information of the plurality of card
Row sequence.
The offer method of Search Results according to embodiments of the present invention, user are input into search word in a search engine, search
Engine obtains multiple cards related to search word according to search word, and search engine is according to the history hits for obtaining in advance then
Corresponding weight information is distinguished according to multiple cards are generated, final search engine is right respectively according to the corresponding weight information of multiple cards
Multiple cards are ranked up.The method can help user effectively to organize the corresponding resource of arrangement name class demand, use multiple cards
Piece can meet the various resource requirements such as the video of the search word of user input, picture, news, microblogging, again can going through according to user
History click data selects dynamic adjustment each card order, and varied with each individual meets user's popular search demand, and have real-time,
High efficiency and ease for use.
To achieve these goals, the search engine of second aspect present invention embodiment, including:Acquisition module, for obtaining
Take history click data;Receiver module, for receiving search word, and obtains according to the search word related to the search word
Multiple cards;Generation module, distinguishes corresponding weight information for clicking on the plurality of card of data genaration according to the history;
And order module, for being ranked up to the plurality of card according to the corresponding weight information of the plurality of card respectively.
Search engine according to embodiments of the present invention, user are input into search word in a search engine, and search engine is according to searching
Rope word obtains multiple cards related to search word, and search engine is multiple according to the history click data genaration for obtaining in advance then
Corresponding weight information distinguished by card, and final search engine enters to multiple cards respectively according to the corresponding weight information of multiple cards
Row sequence.The method can help user effectively to organize the corresponding resource of arrangement name class demand, can meet use with multiple cards
The various resource requirements such as the video of the search word of family input, picture, news, microblogging, again can be according to the history click data of user
Select dynamic adjustment each card order, varied with each individual meets user's popular search demand, and have real-time, high efficiency with easy
The property used.
The additional aspect of the present invention and advantage will be set forth in part in the description, and partly will become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Description of the drawings
The above-mentioned and/or additional aspect of the present invention and advantage will become from the following description of the accompanying drawings of embodiments
Substantially and easy to understand, wherein,
Fig. 1 is the flow chart of the offer method of Search Results according to an embodiment of the invention;
Fig. 2 is the flow chart of the offer method of Search Results in accordance with another embodiment of the present invention;
Fig. 3 is the flow chart of the final satisfaction of acquisition according to embodiments of the present invention;
Fig. 4 is the structural representation of search engine according to an embodiment of the invention;And
Fig. 5 is the structural representation of signal generating unit in accordance with another embodiment of the present invention 301.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.Conversely, this
Inventive embodiment includes all changes, modification and the equivalent fallen in the range of the spirit and intension of attached claims
Thing.
In describing the invention, it is to be understood that term " first ", " second " etc. are not only used for describing purpose, and not
It is understood that as instruction or hint relative importance.In describing the invention, it should be noted that unless otherwise clearly regulation
And restriction, term " being connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected,
Or be integrally connected;Can be mechanically connected, or electrically connect;Can be joined directly together, it is also possible to by intermediary
It is indirectly connected to.For the ordinary skill in the art, above-mentioned term tool in the present invention can be understood with concrete condition
Body implication.Additionally, in describing the invention, unless otherwise stated, " multiple " are meant that two or more.
In flow chart or here any process described otherwise above or method description are construed as, expression includes
One or more for realizing specific logical function or process the step of the module of code of executable instruction, fragment or portion
Point, and the scope of the preferred embodiment of the present invention includes other realization, can not wherein press the suitable of shown or discussion
Sequence, including according to involved function by basic simultaneously in the way of or in the opposite order, carry out perform function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
Below with reference to the accompanying drawings offer method and the search engine of Search Results according to embodiments of the present invention are described.
A kind of offer method of Search Results, comprises the following steps:Search engine obtains history click data;Search engine
Search word is received, and multiple cards related to search word are obtained according to search word;Search engine is given birth to according to history click data
Corresponding weight information is distinguished into multiple cards;And search engine according to the corresponding weight information of multiple cards respectively to multiple
Card is ranked up.
Fig. 1 is the flow chart of the offer method of Search Results according to an embodiment of the invention.
As shown in figure 1, the offer method of Search Results is comprised the following steps.
S101, search engine obtain history click data.
Wherein, history click data is the click logs of certain time period user, and certain time period can be that search engine is pre-
First set, for example, the click logs of same day user, the click day of the user of the click logs of all user or month
Will.
S102, search engine receive search word, and obtain multiple cards related to search word according to search word.
Wherein, the resource information related to search word for being obtained by search word is defined as a card.For example, input is searched
Rope word " Liu Dehua ", then be respectively defined as one by encyclopaedia associated for Liu De China, video, picture, mhkc, music, microblogging etc.
Card, includes the rich in natural resources information being associated with Liu Dehua in each card, user can be with by clicking on each card
It is further appreciated that more detailed resource information.
S103, search engine click on the multiple cards of data genaration according to history and distinguish corresponding weight information.
S104, search engine are ranked up to multiple cards respectively according to the corresponding weight information of multiple cards.
Specifically, on earth multiple cards are ranked up by height according to value information.Further, search engine uses rope
Tendering label, the position number of each card after memory sequencing feed back to front end, the order that front end is determined according to index tab, according to
Secondary location data address, obtains corresponding card data and represents in front end.
The offer method of Search Results according to embodiments of the present invention, user are input into search word in a search engine, search
Engine obtains multiple cards related to search word according to search word, and search engine is according to the history hits for obtaining in advance then
Corresponding weight information is distinguished according to multiple cards are generated, final search engine is right respectively according to the corresponding weight information of multiple cards
Multiple cards are ranked up.The method can help user effectively to organize the corresponding resource of arrangement name class demand, use multiple cards
Piece can meet the various resource requirements such as the video of the search word of user input, picture, news, microblogging, again can going through according to user
History click data selects dynamic adjustment each card order, and varied with each individual meets user's popular search demand, and have real-time,
High efficiency and ease for use.
Fig. 2 is the flow chart of the offer method of Search Results in accordance with another embodiment of the present invention.
As shown in Fig. 2 the offer method of Search Results specifically includes following steps.
S201, search engine obtain history click data.
Wherein, history click data is the click logs of certain time period user, and certain time period can be that search engine is pre-
First set, for example, the click logs of same day user, the click day of the user of the click logs of all user or month
Will.
S202, search engine receive search word, and obtain multiple cards related to search word according to search word.
Wherein, the resource information related to search word for being obtained by search word is defined as a card.For example, input is searched
Rope word " Liu Dehua ", then be respectively defined as one by encyclopaedia associated for Liu De China, video, picture, mhkc, music, microblogging etc.
Card, includes the rich in natural resources information being associated with Liu Dehua in each card, user can be with by clicking on each card
It is further appreciated that more detailed resource information.
S203, search engine click on data genaration according to history and click on tune power dictionary.
Specifically, first, the final satisfaction of data genaration card clicked on by search engine according to history, and then, search is drawn
Holding up adjusts current click of weights acquisition to adjust power to adjust power dictionary to generate click.
S204, search engine obtain the default-weight information of multiple cards according to preset algorithm.
Specifically, search engine can use the acquisition of existing algorithm many after obtaining multiple cards according to search word first
The default-weight information of individual card.
S205, it is many to generate that search engine adjusts power dictionary to be adjusted the default-weight information of multiple cards according to click
The weight information of individual card.
Specifically, search engine is made a look up to obtain corresponding weight in tune power dictionary according to multiple cards first,
Then default-weight information is adjusted to generate last weight information according to the weight for obtaining.
S206, search engine are ranked up to multiple cards respectively according to the corresponding weight information of multiple cards.
Specifically, on earth multiple cards are ranked up by height according to value information.Further, search engine uses rope
Tendering label, the position number of each card after memory sequencing feed back to front end, the order that front end is determined according to index tab, according to
Secondary location data address, obtains corresponding card data and represents in front end.
The offer method of Search Results according to embodiments of the present invention, clicks on data genaration according to history and clicks on tune power word
Allusion quotation, and according to weight dictionary the default-weight information that search engine is generated is adjusted to multiple cards is clicked on, lifting is searched
The efficiency held up of index, selects each card order of dynamic adjustment according to user, and varied with each individual meets user's popular search demand, and
There is real-time, high efficiency and ease for use.
In one embodiment of the invention, history click on packet include search word multiple cards related to search word,
The positional information of card, the number of clicks of card and it is satisfied with clicks value.It is discussed in detail with reference to history click data final full
The acquisition process of meaning degree.Further, Fig. 3 is the flow chart of the final satisfaction of acquisition according to embodiments of the present invention.
As shown in figure 3, comprising the following steps:
S301, search engine are obtained according to positional information and are adjusted weight parameter.
In one embodiment of the invention, search engine is according to positional information i(Displayed page of the card in Search Results
On serial number)Obtain in such a way and adjust weight parameter ctr_discount, ctr_discount=sqrt (ctr [a]/
Ctr [i]), wherein a is default positional information, and for adjusting weight coefficient, ctr [a] is the tune weight coefficient of preset position information to ctr,
Tune weight coefficients of the ctr [i] for current location information.Wherein, ctr can be that the whole click logs of statistics are obtained or according to warp
Setting is tested, a is preferably 3.
S302, search engine are adjusted to being satisfied with clicks value according to tune weight parameter.
Specifically, search engine according to adjust weight parameter ctr_discount in such a way to being satisfied with clicks value SiCarry out
Adjustment, Si′=Si* ctr_discount, wherein, Si' for adjustment after be satisfied with clicks value.
S303, search engine according to adjustment after be satisfied with clicks value obtain satisfaction.
Specifically, after search engine is according to adjustment, clicks value Si is satisfied with′Satisfaction Q is obtained in such a wayi,
And wherein, 1 is smoothing factor.
S304, search engine according to number of clicks and are satisfied with clicks value acquisition demand intensity.
Specifically, search engine is according to number of clicks CiBe satisfied with clicks value SiDemand intensity is obtained in such a way
Need,
Wherein, a is coefficient, preferably 0.82.
S305, search engine obtain final satisfaction according to satisfaction and demand intensity.
Specifically, final search engine is according to satisfaction QiFinal satisfaction is obtained in such a way with demand intensity need
Degree Ψi, wherein, α and β is coefficient,
Ψi=α×Qi+ β × need, α and β are preferably respectively 0.5 and 0.5.
In order to realize that above-described embodiment, the present invention also propose a kind of search engine.
A kind of search engine, including:Acquisition module, for obtaining history click data;Receiver module, for receiving search
Word, and multiple cards related to search word are obtained according to search word;Generation module is more for clicking on data genaration according to history
Corresponding weight information distinguished by individual card;And order module, for according to the corresponding weight information of multiple cards respectively to many
Individual card is ranked up.
Fig. 4 is the structural representation of search engine according to an embodiment of the invention.
As shown in figure 4, search engine includes:Acquisition module 10, receiver module 20, generation module 30 and order module 40.
Specifically, acquisition module 10 obtains history click data.Wherein, history click data is certain time period user
Click logs, certain time period can be preset for search engine, for example, the click logs of same day user, all user
Click logs or the user of month click logs.
Receiver module 20 receives search word, and obtains multiple cards related to search word according to search word.Wherein, pass through
The resource information related to search word that search word is obtained is defined as a card.For example, input search word " Liu Dehua ", then will
The associated encyclopaedias of Liu Dehua, video, picture, mhkc, music, microblogging etc. are respectively defined as a card, wrap in each card
Included the rich in natural resources information being associated with Liu Dehua, user by click on each card can be further appreciated that more detailed
Thin resource information.
Generation module 30 is clicked on the multiple cards of data genaration according to history and distinguishes corresponding weight information.
Order module 40 is ranked up to multiple cards respectively according to the corresponding weight information of multiple cards.More specifically,
Order module 40 is ranked up to multiple cards by height on earth according to value information.Further, search engine is marked using index
Sign, the position number of each card after memory sequencing, feed back to front end, the order that front end is determined according to index tab is fixed successively
Position data address, obtains corresponding card data and represents in front end
Search engine according to embodiments of the present invention, user are input into search word in a search engine, and search engine is according to searching
Rope word obtains multiple cards related to search word, and search engine is multiple according to the history click data genaration for obtaining in advance then
Corresponding weight information distinguished by card, and final search engine enters to multiple cards respectively according to the corresponding weight information of multiple cards
Row sequence.The method can help user effectively to organize the corresponding resource of arrangement name class demand, can meet use with multiple cards
The various resource requirements such as the video of the search word of family input, picture, news, microblogging, again can be according to the history click data of user
Select dynamic adjustment each card order, varied with each individual meets user's popular search demand, and have real-time, high efficiency with easy
The property used.
In one embodiment of the invention, generation module 30, also include:Signal generating unit 301, for clicking on according to history
Data genaration is clicked on and adjusts power dictionary, and more specifically signal generating unit is additionally operable to the final satisfaction for clicking on data genaration card according to history
Spending and being clicked on according to the history of final satisfaction and card adjust weights acquisition currently click to adjust power dictionary to be weighed to generate click tune;
Acquiring unit 302, for obtaining the default-weight information of multiple cards according to preset algorithm, can wherein use existing algorithm
Obtain the default-weight information of multiple cards;And adjustment unit 303, for adjusting power dictionary to write from memory multiple cards according to click
Recognize weight information to be adjusted to generate the weight information of multiple cards.Thus, data genaration is clicked on according to history and clicks on tune power
Dictionary, and according to weight dictionary the default-weight information that search engine is generated is adjusted to multiple cards is clicked on, lifted
The efficiency of search engine.
Further, as shown in figure 5, the structural representation of the signal generating unit 301 of another embodiment of the present invention, generates single
Unit 301, also includes:First obtains subelement 3011, adjusts weight parameter for obtaining according to positional information;Adjustment subelement 3012,
For being adjusted to being satisfied with clicks value according to tune weight parameter;Second obtains subelement 3013, for expiring after according to adjustment
Meaning clicks value obtains satisfaction;3rd obtain subelement 3014, for according to number of clicks and be satisfied with clicks value obtain demand strong
Degree;And the 4th obtain subelement 3015, for obtaining final satisfaction according to satisfaction and demand intensity.Wherein, generate single
In unit 301, each subelement realizes that process refers to above-mentioned corresponding embodiment of the method.
In flow chart or here any process described otherwise above or method description are construed as, expression includes
One or more for realizing specific logical function or process the step of the module of code of executable instruction, fragment or portion
Point, and the scope of the preferred embodiment of the present invention includes other realization, can not wherein press the suitable of shown or discussion
Sequence, including according to involved function by basic simultaneously in the way of or in the opposite order, carry out perform function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
Represent in flow charts or here logic described otherwise above and/or step, for example, it is possible to be considered as to use
In the order list of the executable instruction for realizing logic function, may be embodied in any computer-readable medium, for
Instruction execution system, device or equipment(As computer based system, include processor system or other can hold from instruction
Row system, device or equipment instruction fetch the system of execute instruction)Use, or with reference to these instruction execution systems, device or set
Standby and use.For the purpose of this specification, " computer-readable medium " can any can be included, store, communicate, propagate or pass
The dress that defeated program is used for instruction execution system, device or equipment or with reference to these instruction execution systems, device or equipment
Put.The more specifically example of computer-readable medium(Non-exhaustive list)Including following:There is the electricity of one or more wirings
Connecting portion(Electronic installation), portable computer diskette box(Magnetic device), random access memory(RAM), read-only storage
(ROM), erasable edit read-only storage(EPROM or flash memory), fiber device, and portable optic disk is read-only deposits
Reservoir(CDROM).In addition, computer-readable medium can even is that the paper that can print described program thereon or other are suitable
Medium, because for example by carrying out optical scanner to paper or other media edlin, interpretation can then be entered or if necessary with which
His suitable method is processed to electronically obtain described program, is then stored in computer storage.
It should be appreciated that each several part of the present invention can be realized with hardware, software, firmware or combinations thereof.Above-mentioned
In embodiment, the software that multiple steps or method can be executed in memory and by suitable instruction execution system with storage
Or firmware is realizing.For example, if realized with hardware, and in another embodiment, can be with well known in the art
Any one of row technology or their combination are realizing:There is the logic gates for being used for realizing logic function to data-signal
Discrete logic, the special IC with suitable combinational logic gate circuit, programmable gate array(PGA), scene
Programmable gate array(FPGA)Deng.
Those skilled in the art are appreciated that to realize all or part of step that above-described embodiment method is carried
Suddenly the hardware that can be by program to instruct correlation is completed, and described program can be stored in a kind of computer-readable storage medium
In matter, the program upon execution, including one or a combination set of the step of embodiment of the method.
Additionally, each functional unit in each embodiment of the invention can be integrated in a processing module, it is also possible to
It is that unit is individually physically present, it is also possible to which two or more units are integrated in a module.Above-mentioned integrated mould
Block both can be realized in the form of hardware, it would however also be possible to employ the form of software function module is realized.The integrated module is such as
Fruit using in the form of software function module realize and as independent production marketing or use when, it is also possible to be stored in a computer
In read/write memory medium.
Storage medium mentioned above can be read-only storage, disk or CD etc..
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy described with reference to the embodiment or example
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example are necessarily referred to.And, the specific features of description, structure, material or feature can be any
One or more embodiments or example in combine in an appropriate manner.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art is in the principle and objective without departing from the present invention
In the case of above-described embodiment can be changed within the scope of the invention, change, replace and modification.The scope of the present invention
Extremely it is equal to limit by claims.
Claims (14)
1. a kind of offer method of Search Results, it is characterised in that comprise the following steps:
Search engine obtains history click data;
The search engine receives search word, and obtains multiple cards related to the search word according to the search word;
The search engine is clicked on the plurality of card of data genaration according to the history and distinguishes corresponding weight information, wherein,
The search engine is clicked on data genaration according to the history and clicks on tune power dictionary, and obtains the plurality of card according to preset algorithm
The default-weight information of piece, and adjust power dictionary to be adjusted the default-weight information of the plurality of card according to described click
To generate the weight information of the plurality of card, wherein described click on adjust power dictionary be according to the final satisfaction of the card and
History is clicked on and adjusts weights to generate;And
The search engine is ranked up to the plurality of card respectively according to the corresponding weight information of the plurality of card.
2. the method for claim 1, it is characterised in that the search engine clicks on data genaration point according to the history
Tune power dictionary is hit, is further included:
The final satisfaction of search engine card according to the history clicks on data genaration;And
The search engine is clicked on according to the history of the final satisfaction and the card and adjusts current click of weights acquisition to adjust power
Power dictionary is adjusted to generate described click;
The history is clicked on packet and includes the search word the plurality of card related to the search word, the card
Positional information, the number of clicks of the card and it is satisfied with clicks value;
The final satisfaction of search engine card according to the history clicks on data genaration, further includes:
The search engine is obtained according to positional information and adjusts weight parameter;
The search engine is adjusted to the clicks value that is satisfied with according to the tune weight parameter;
The search engine according to adjustment after described be satisfied with clicks value obtain satisfaction;
The search engine according to the number of clicks and is satisfied with clicks value acquisition demand intensity;And
The search engine obtains the final satisfaction according to the satisfaction and the demand intensity.
3. method as claimed in claim 2, it is characterised in that the search engine according to positional information i in such a way
Obtain and adjust weight parameter ctr_discount,
Ctr_discount=sqrt (ctr [a]/ctr [i]), wherein a are default positional information, and ctr is to adjust weight coefficient, ctr
The tune weight coefficient of [a] for preset position information, tune weight coefficients of the ctr [i] for current location information.
4. method as claimed in claim 3, it is characterised in that the search engine is according to the tune weight parameter ctr_
Discount is satisfied with clicks value S to described in such a wayiIt is adjusted,
S′i=Si* ctr_discount, wherein, S 'iDescribed after for adjustment is satisfied with clicks value.
5. method as claimed in claim 4, it is characterised in that the search engine according to adjustment after described satisfied click on
Value S 'iSatisfaction Q is obtained in such a wayi, wherein 1 is smoothing factor,
6. method as claimed in claim 4, it is characterised in that the search engine is according to number of clicks CiBe satisfied with a little
Hit value SiDemand intensity need is obtained in such a way, wherein, a is coefficient,
7. the method as described in claim 5 or 6, it is characterised in that the search engine is according to satisfaction QiWith the need
Intensity need is asked to obtain final satisfaction Ψ in such a wayi, wherein, α and β is coefficient,
Ψi=α × Qi+β×need.
8. a kind of search engine, it is characterised in that include:
Acquisition module, for obtaining history click data;
Receiver module, for receiving search word, and obtains multiple cards related to the search word according to the search word;
Generation module, distinguishes corresponding weight information for clicking on the plurality of card of data genaration according to the history, wherein,
The generation module, further includes:Signal generating unit, clicks on tune power dictionary for clicking on data genaration according to the history;Obtain
Unit is taken, for the default-weight information of the plurality of card is obtained according to preset algorithm;And adjustment unit, for according to institute
State to click on and adjust power dictionary to be adjusted the default-weight information of the plurality of card to generate the weight letter of the plurality of card
Breath, wherein described tune power dictionary of clicking on is to be clicked on to adjust weights to generate according to the final satisfaction and history of the card;And
Order module, for being ranked up to the plurality of card according to the corresponding weight information of the plurality of card respectively.
9. search engine as claimed in claim 8, it is characterised in that the signal generating unit is additionally operable to be clicked on according to the history
The final satisfaction of card described in data genaration;And tune weights are clicked on according to the history of the final satisfaction and the card
Obtaining current click adjusts power to adjust power dictionary to generate described click;
The history is clicked on packet and includes the search word the plurality of card related to the search word, the card
Positional information, the number of clicks of the card and it is satisfied with clicks value;
The signal generating unit, further includes:
First obtains subelement, adjusts weight parameter for obtaining according to positional information;
Adjustment subelement, for being adjusted to the clicks value that is satisfied with according to the tune weight parameter;
Second obtains subelement, obtains satisfaction for the clicks value that is satisfied with after according to adjustment;
3rd obtains subelement, for obtaining demand intensity according to the number of clicks with clicks value is satisfied with;And
4th obtains subelement, for obtaining the final satisfaction according to the satisfaction and the demand intensity.
10. search engine as claimed in claim 9, it is characterised in that the first acquisition subelement is pressed according to positional information i
Obtain according in the following manner and adjust weight parameter ctr_discount,
Ctr_discount=sqrt (ctr [a]/ctr [i]), wherein a are default positional information, and ctr is to adjust weight coefficient, ctr
The tune weight coefficient of [a] for preset position information, tune weight coefficients of the ctr [i] for current location information.
11. search engines as claimed in claim 10, it is characterised in that the adjustment subelement is according to the tune weight parameter
Ctr_discount is satisfied with clicks value S to described in such a wayiIt is adjusted,
S′i=Si* ctr_discount, wherein, S 'iDescribed after for adjustment is satisfied with clicks value.
12. search engines as claimed in claim 11, it is characterised in that after described second obtains subelement according to adjustment
Described it is satisfied with clicks value S 'iSatisfaction Q is obtained in such a wayi, wherein 1 is smoothing factor,
13. search engines as claimed in claim 11, it is characterised in that the described 3rd obtains subelement according to the click time
Number CiBe satisfied with clicks value SiDemand intensity need is obtained in such a way, wherein, a is coefficient,
14. search engines as described in claim 12 or 13, it is characterised in that the described 4th obtains subelement according to described full
Meaning degree QiFinal satisfaction Ψ is obtained in such a way with the demand intensity needi, wherein, α and β is coefficient,
Ψi=α × Qi+β×need.
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