CN104899462B - Determine the method and device of the action value of information releasing position - Google Patents
Determine the method and device of the action value of information releasing position Download PDFInfo
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Abstract
The invention provides a kind of method for the action value for determining information releasing position, including：For a keyword, the actual bid of multiple publishers on an information releasing position in scheduled duration is obtained；According to the actual bid of multiple publishers, expectancy of each publisher to information releasing position is determined；Based on each publisher to the expectancy of information releasing position and the quality score released news for the keyword corresponding with each publisher, it is determined that the sample action value of information releasing position corresponding with each publisher；Sample action value progress statistical disposition pair information releasing position corresponding with multiple publishers difference, determines the minimum value degree of information releasing position.In embodiments of the invention, be it is follow-up actually the deducting fees there is provided strong guarantee of the publisher is determined based on expectancy, and then can effectively and rapidly solve to sell problem cheap caused by the value of information releasing position is underestimated；And improve the ageing of information issuing system.
Description
Technical field
The present invention relates to field of computer technology, specifically, the present invention relates to a kind of valency for determining information releasing position
The method and device of value degree.
Background technology
Bid release news be one kind independently delivered, managed independently by publisher, according to information distribution effect pay it is new
Type Web information issuance form.The function that can be completed by this form of information issue includes：Support publisher in real time to hair
The bid of cloth information is modified, and changes the particular content released news, selects information releasing position.Ensureing the function of the above
In the case of, it is specified that information issuing system needs consideration to distribute to corresponding information releasing position when each displaying releases news
Release news, and publisher is deducted fees；Accordingly, it would be desirable to set up a set of effective and reasonable information releasing position distribution side
Formula and the scheme of deducting fees to publisher.
At present, the conventional information releasing position method of salary distribution is：By the bid of the quality score released news and publisher
Be multiplied, obtain ranking score score, score be ranked up in the way of from big to small, based on score to release news into
The distribution of row information releasing position, maximum the releasing news of score is assigned to first information releasing position, by that analogy.Often
The mode deducted fees to publisher is：When the satisfaction that releases news positioned at some information releasing position deducts fees condition,
For example：Deducted fees according to number of clicks release news to click as user releases news, and is deducted fees according to number of times is showed
Release news and be presented to user as that will release news；Specific calculation of deducting fees is：The issue of some information releasing position
Information is deducted fees as the score divided by the quality score that releases news of next information releasing position.
There is following problem in existing the information releasing position method of salary distribution and scheme of deducting fees：(1) when based on a certain
In publisher's short time of keyword during lazy weight, the competition between publisher can be caused not fierce enough, deduct fees relatively low, underestimate
The real value of the keyword；(2) when the overbid of some publisher forcibly occupies first information releasing position, short
Its uncontrollable behavior of time, causes system resource allocation unfair；(3) when pre- forward price of some publisher to some keyword
When value is significantly larger than other publishers, the problem of collection of charges is relatively low can be produced, causes keyword value to be underestimated.
The content of the invention
To overcome above-mentioned technical problem or solving above-mentioned technical problem at least in part, spy proposes following technical scheme：
Embodiments of the invention propose a kind of method for the action value for determining information releasing position, including：
For a keyword, actually going out for the interior multiple publishers on an information releasing position of scheduled duration is obtained
Valency；
According to the actual bid of multiple publishers, expectancy of each publisher to information releasing position is determined；
Based on each publisher to the expectancy of information releasing position and it is corresponding with each publisher be directed to the key
The quality score released news of word, it is determined that the sample action value of information releasing position corresponding with each publisher；
Sample action value progress statistical disposition pair information releasing position corresponding with multiple publishers difference, determines information
The minimum value degree of releasing position.
Embodiments of the invention also proposed a kind of device for the action value for determining information releasing position, including：
Actual bid acquisition module, for for a keyword, obtaining in scheduled duration in an information releasing position
The actual bid of upper multiple publishers；
Expectancy determining module, for the actual bid according to multiple publishers, determines that each publisher is sent out information
The expectancy of cloth position；
Sample action value determining module, for based on each publisher to the expectancy of information releasing position and with it is each
Publisher is directed to the quality score released news of the keyword accordingly, it is determined that information corresponding with each publisher issues position
The sample action value put；
Minimum value degree determining module, the sample for pair information releasing position corresponding with multiple publishers difference is worth
Degree carries out statistical disposition, determines the minimum value degree of information releasing position.
In embodiments of the invention, each publisher reflects the publisher to the expectancy of an information releasing position
To the psychological endurance scope of the information releasing position, by minimum value degree of each publisher to an information releasing position
Accurately estimated, psychological endurance limiting value of the publisher to the information releasing position can be obtained, be subsequently to be based on pre- forward price
Value determines actually deducting fees there is provided strong guarantee for the publisher, and then can effectively and rapidly solve information releasing position
Value sells problem cheap caused by being underestimated；And the present invention will not increase the load pressure of system, improve information issuing system
It is ageing.Meanwhile, pass through the computing of formula 5, it is ensured that minimum value degree be using maximize the income of information issuing system as
Target is calculated, the system income of information issuing system is improved.
The additional aspect of the present invention and advantage will be set forth in part in the description, and these will become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
Of the invention above-mentioned and/or additional aspect and advantage will become from the following description of the accompanying drawings of embodiments
Substantially and be readily appreciated that, wherein：
Fig. 1 is the schematic flow sheet of method one embodiment of the action value of determination information releasing position in the present invention；
Fig. 2 is the structural representation of device one embodiment of the action value of determination information releasing position in the present invention.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
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 construed as limiting the claims.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singulative " one " used herein, " one
It is individual ", " described " and "the" may also comprise plural form.It is to be further understood that what is used in the specification of the present invention arranges
Diction " comprising " refer to there is the feature, integer, step, operation, element and/or component, but it is not excluded that in the presence of or addition
Other one or more features, integer, step, operation, element, component and/or their group.It should be understood that when we claim member
Part is " connected " or during " coupled " to another element, and it can be directly connected or coupled to other elements, or can also exist
Intermediary element.In addition, " connection " used herein or " coupling " can include wireless connection or wireless coupling.It is used herein to arrange
Taking leave "and/or" includes one or more associated wholes or any cell for listing item and all combines.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art
Language and scientific terminology), with the general understanding identical meaning with the those of ordinary skill in art of the present invention.Should also
Understand, those terms defined in such as general dictionary, it should be understood that with the context with prior art
The consistent meaning of meaning, and unless by specific definitions as here, otherwise will not use idealization or excessively formal implication
To explain.
Fig. 1 is the schematic flow sheet of method one embodiment of the action value of determination information releasing position in the present invention.
Step S110：For a keyword, the interior multiple publishers on an information releasing position of scheduled duration are obtained
Actual bid；Step S120：According to the actual bid of multiple publishers, determine each publisher to described information releasing position
Expectancy；Step S130：Based on each publisher to the expectancy of information releasing position and corresponding to each publisher
The quality score released news for the keyword, it is determined that the sample valency of information releasing position corresponding with each publisher
Value degree；Step S140：Sample action value progress statistical disposition pair information releasing position corresponding with multiple publishers difference, really
Determine the minimum value degree of information releasing position.
In embodiments of the invention, each publisher reflects the publisher to the expectancy of an information releasing position
To the psychological endurance value of the information releasing position, by minimum value degree of each publisher to an information releasing position
Accurately estimated, the publisher can be obtained the psychological endurance of the information releasing position is worth, be subsequently to be based on expectancy
To determine actually deducting fees there is provided strong guarantee for the publisher, and then it can effectively and rapidly solve the valency of information releasing position
Value sells problem cheap caused by being underestimated；And embodiments of the present invention will not increase the load pressure of system, improve information
Delivery system it is ageing；Meanwhile, pass through the computing of formula 5, it is ensured that minimum value degree is to maximize information issuing system
Income for calculate target, improve information issuing system system income.
Step S110：For a keyword, the interior multiple publishers on an information releasing position of scheduled duration are obtained
Actual bid.
For example, for keyword " Beijing fresh flower express delivery ", obtaining in scheduled duration and owning on an information releasing position
Or part publisher is the actual bid paid of releasing news for " Beijing fresh flower express delivery ".
Step S120：According to the actual bid of multiple publishers, expection of each publisher to information releasing position is determined
Value.
Specifically, according to the actual bid of multiple publishers, pre- forward price of each publisher to information releasing position is determined
The mode of value includes but is not limited to：
1) by the actual bid of publisher directly as its expectancy to information releasing position；For example, for key
Word " Beijing fresh flower express delivery ", actual bid of the publisher on a certain information releasing position is 5 yuan, then the publisher is to the information
The expectancy of releasing position is 5 yuan.
2) step S120 also includes step S121 (not shown)s and step S122 (not shown)s；Step S121：
Obtain the actual bid on the next information releasing position of scheduled duration internal information releasing position and release news accordingly
Quality score；Step S122：According to the actual bid on information releasing position and the quality score released news accordingly, and
With reference to the actual bid on next information releasing position and the quality score released news accordingly, counted by prediction model
Calculate, determine expectancy of each publisher to information releasing position.
Specifically, there is n publisher to compete k information releasing position, and n >=k, information is represented using t ∈ { 1 ..., k }
The numbering of releasing position, the numbering of publisher is represented with i ∈ { 1 ..., n }, defines viRepresent publisher i expectancy, biTable
Show publisher i actual bid；Define xt∈ (0,1] represent releasing position parameter, ei∈ (0,1] represent the quality that releases news
Score value, releasing position parameter xtRepresent that be in t-th of releasing news for information releasing position is presented to user's by search
Probability, and assume that releasing position parameter is successively decreased with the increase of information releasing position, i.e. x1＞ x2＞ ... ＞ xk；Issue
The quality score e of informationiUser clicks on the probability released news when representing to be presented to user when releasing news.According to auction mechanism
In separability condition, the clicking rate released news is equal to releasing position parameter and the product of quality score released news.
Original distribution and the scheme of deducting fees is all release news according to ei·biIt is descending to be ranked up, define ei·
biRepresent publisher i original value degree, and each release news meet when deducting fees condition it is original deduct fees for：
In information issuing system, publisher can not be changed their bid by time restriction, can also be moved back at any time
Go out or into queue of vying for purchase.When just proceeding by information issue, every publisher only knows the actual bid of oneself and pre-
The private informations such as forward price value, it is not known that the information of other publishers, but go study by constantly adjusting the bid of oneself repeatedly
With infer other publishers true value be possible.By constantly attempting, publisher can converge on a kind of stabilization
The publisher of state, i.e., one can not exchange position come additional income by the publisher with other positions；Now this information is sent out
It is covered with sufficient below equation：
(vi-qi)eixi≥(vi-qj)eixjI ≠ j formula 2
Wherein, qiei=bi+1ei+1, represent that publisher i is put in i-th bit and release news than the receipts that released news in other j positions
It is beneficial big.
Determined by arranging above-mentioned formula with lower inequality：
Formula 3
According to formula 3, it is determined that
Formula 4
Wherein,
Obtain the actual bid b on next information releasing position of scheduled duration internal information releasing positioni+1And it is corresponding
The quality score e released newsi+1；According to the actual bid b on information releasing positioniAnd the quality released news accordingly
Score value ei, and combine the actual bid b on next information releasing positioni+1And the quality score e released news accordinglyi+1, lead to
Cross formula 4 to be calculated, determine expectancy v of each publisher to information releasing positioni。
Preferably, this method also includes step S150 (not shown)s and step S160 (not shown)s；Step
S150：When the sample size of the actual bid of multiple publishers in scheduled duration is less than predetermined sample amount threshold, to key
Word is extended processing, it is determined that the one or more expanded keywords related to keyword；Step S160：For one or more
Expanded keyword, obtains the actual bid on scheduled duration internal information releasing position and the quality score released news accordingly
And actual bid on next information releasing position of information releasing position and the quality score that releases news accordingly；Step
Rapid S122：According to for actual bid of the keyword on information releasing position and the quality score accordingly released news,
With the actual bid on next information releasing position and the quality score released news accordingly, and for one or more
Actual bid on the information releasing position of expanded keyword and the quality score released news accordingly and in next information
Actual bid on releasing position and the quality score released news accordingly, are calculated by prediction model, are determined each
Expectancy of the publisher to information releasing position.
Specifically, when the sample size of the actual bid of multiple publishers in scheduled duration is less than predetermined sample amount threshold
When, processing is extended to keyword, it is determined that the one or more expanded keywords related to keyword.For example, will be with key
The similar keyword of word text regard the keyword similar to keywords semantics as expanded keyword as expanded keyword.Pin
To one or more expanded keywords, the actual bid b on scheduled duration internal information releasing position is obtainediAnd corresponding issue
The quality score e of informationiAnd the actual bid b on next information releasing position of information releasing positioni+1And corresponding hair
The quality score e of cloth informationi+1；According to the actual bid b on information releasing position for keywordiAnd corresponding issue
The quality score e of informationi, and the actual bid b on next information releasing positioni+1And the quality released news accordingly point
Value ei+1, and for the actual bid b on the information releasing position of one or more expanded keywordsiAnd corresponding issue letter
The quality score e of breathiAnd the actual bid b on next information releasing positioni+1And the quality score released news accordingly
ei+1, calculated by formula 4, determine expectancy of each publisher to information releasing position.
Step S130：Based on each publisher to the expectancy of information releasing position and pin corresponding with each publisher
To the quality score released news of the keyword, it is determined that the sample value of information releasing position corresponding with each publisher
Degree.
Specifically, the sample action value for defining information releasing position corresponding with publisher i is si=ei·vi；Based on every
Expectancy v of one publisher to information releasing positioniAnd releasing news for the keyword corresponding with each publisher
Quality score ei, pass through si=ei·viCalculate, it is determined that the sample action value of information releasing position corresponding with each publisher
si。
Step S140：The sample action value of pair information releasing position corresponding with multiple publishers difference carries out Statistics Division
Reason, determines the minimum value degree of information releasing position.
Specifically, step S140 includes step S141 (not shown)s and step S142 (not shown)s.
Step S141：Set up the probability distribution of the sample action value of information releasing position corresponding with multiple publishers difference
Function and probability density function.
Specifically, the sample action value of information releasing position corresponding with multiple publishers difference obeys lognormal point
Cloth, probability-distribution function is logarithm normal distribution function, and probability density function is the probability density function of logarithm normal distribution；Example
Such as, sample action value si=ei·viMeet probability-distribution function F (si) and probability density function f (si)。
Step S142：Based on probability-distribution function and probability density function, the minimum value degree of information releasing position is determined.
Specifically, use
Formula 5
Determine the minimum value degree score_limit of information releasing position；Specifically, withAccordingly
Zero point on curve, the corresponding s at zero pointiValue is minimum value degree score_limit；Wherein, siFor with any publisher's phase
The sample action value for the described information releasing position answered, and siMeet probability-distribution function F (si) and probability density function f (si)。
In embodiments of the invention, each publisher reflects the publisher to the expectancy of an information releasing position
To the psychological endurance scope of the information releasing position, by minimum value degree of each publisher to an information releasing position
Accurately estimated, psychological endurance limiting value of the publisher to the information releasing position can be obtained, be subsequently to be based on pre- forward price
Value determines actually deducting fees there is provided strong guarantee for the publisher, and then can effectively and rapidly solve information releasing position
Value sells problem cheap caused by being underestimated；And the present invention will not increase the load pressure of system, improve information issuing system
It is ageing.Meanwhile, pass through the computing of formula 5, it is ensured that minimum value degree be using maximize the income of information issuing system as
Target is calculated, the system income of information issuing system is improved.
In a preferred embodiment (reference picture 1), this method also includes step S170 (not shown)s, step S170：
For a publisher, according to the minimum value degree of information releasing position, and combine corresponding with the publisher for the key
The quality score released news of word, determines that minimum on described information releasing position of the publisher is deducted fees.
Specifically, for a publisher, its corresponding releasing news in information releasing position for keyword is defined
On it is minimum deduct fees as the ratio of the minimum value degree score_limit quality scores released news with this, i.e., it is minimum to deduct fees：
Formula 6
In the preferred embodiment, the minimum quality score deducted fees and released news is inversely proportional, therefore same information is sent out
Minimum deduct fees of cloth position may be constantly different, can if the quality score released news on the information releasing position is higher
Calculating determine it is less it is minimum deduct fees, determine larger minimum deduct fees conversely, then calculating；This preferred embodiment can promote hair
Cloth person updates the quality that it releases news, so as to lift information distribution effect so that be presented in the releasing news of user
Including more abundant, accurate content information, user's viewing experience is improved.
Preferably (reference picture 1), this method also includes step S180 (not shown)s, step S180：According to the issue
Minimum on information releasing position of person is deducted fees, and combines the actual bid of the publisher, determines that the publisher issues in information
Actually deducting fees on position.
Specifically, it is determined that the mode actually deducted fees includes：
1) size of minimum deduct fees p and the actual bid of the publisher of the publisher on information releasing position is compared
Bi, selection smaller value is actually to deduct fees；
2) minimum deduct fees p, the actual bid bi and root of the publisher of the publisher on information releasing position are compared
The original p that deducts fees determined according to formula 1Original iSize, to determine actually to deduct fees；For example, the min that actually deducts fees (bi, max (p,
pOriginal i)), that is, select the minimum p and original p that deducts fees that deducts feesOriginal iIn higher value, then actually going out in the higher value and publisher
Smaller value is selected in valency bi as actually deducting fees.
In the preferred embodiment of this programme, because publisher reflects it to information to the expectancy of information releasing position
The psychological endurance value of releasing position, determines the scheme of deducting fees, it can be ensured that in the button based on obtained expectancy is accurately estimated
Publisher will not frequently change the bid of oneself under expense scheme, reduce the information processing pressure of system, the stability of lifting system.
Fig. 2 is the structural representation of device one embodiment of the action value of determination information releasing position in the present invention.
Actual bid acquisition module 210 is obtained in scheduled duration on an information releasing position for a keyword
The actual bid of multiple publishers；Expectancy determining module 220 determines each issue according to the actual bid of multiple publishers
Expectancy of the person to described information releasing position；Sample action value determining module 230 is based on each publisher and information is issued
The expectancy of position and the quality score released news for the keyword corresponding with each publisher, it is determined that with it is each
The sample action value of the corresponding information releasing position of publisher；240 pairs of minimum value degree determining module is distinguished with multiple publishers
The sample action value of corresponding information releasing position carries out statistical disposition, determines the minimum value degree of information releasing position.
In embodiments of the invention, each publisher reflects the publisher to the expectancy of an information releasing position
To the psychological endurance value of the information releasing position, by minimum value degree of each publisher to an information releasing position
Accurately estimated, the publisher can be obtained the psychological endurance of the information releasing position is worth, be subsequently to be based on expectancy
To determine actually deducting fees there is provided strong guarantee for the publisher, and then it can effectively and rapidly solve the valency of information releasing position
Value sells problem cheap caused by being underestimated；And embodiments of the present invention will not increase the load pressure of system, improve information
Delivery system it is ageing；Meanwhile, pass through the computing of formula 5, it is ensured that minimum value degree is to maximize information issuing system
Income for calculate target, improve information issuing system system income.
Actual bid acquisition module 210 is obtained in scheduled duration on an information releasing position for a keyword
The actual bid of multiple publishers.
For example, for keyword " Beijing fresh flower express delivery ", obtaining in scheduled duration and owning on an information releasing position
Or part publisher is the actual bid paid of releasing news for " Beijing fresh flower express delivery ".
Expectancy determining module 220 determines that each publisher issues to information according to the actual bid of multiple publishers
The expectancy of position.
Specifically, according to the actual bid of multiple publishers, pre- forward price of each publisher to information releasing position is determined
The mode of value includes but is not limited to：
1) by the actual bid of publisher directly as its expectancy to information releasing position；For example, for key
Word " Beijing fresh flower express delivery ", actual bid of the publisher on a certain information releasing position is 5 yuan, then the publisher is to the information
The expectancy of releasing position is 5 yuan.
2) expectancy determining module 220 includes first acquisition unit (not shown) and computing unit (does not show in figure
Go out)；First acquisition unit obtain scheduled duration internal information releasing position next information releasing position on actual bid and
The quality score released news accordingly；Then, computing unit is according to the actual bid on information releasing position and corresponding
The quality score released news, and combine the actual bid on next information releasing position and the quality released news accordingly point
Value, is calculated by prediction model, determines expectancy of each publisher to information releasing position.
Specifically, there is n publisher to compete k information releasing position, and n >=k, information is represented using t ∈ { 1 ..., k }
The numbering of releasing position, the numbering of publisher is represented with i ∈ { 1 ..., n }, defines viRepresent publisher i expectancy, biTable
Show publisher i actual bid；Define xt∈ (0,1] represent releasing position parameter, ei∈ (0,1] represent the quality that releases news
Score value, releasing position parameter xtRepresent that be in t-th of releasing news for information releasing position is presented to user's by search
Probability, and assume that releasing position parameter is successively decreased with the increase of information releasing position, i.e. x1＞ x2＞ ... ＞ xk；Issue
The quality score e of informationiUser clicks on the probability released news when representing to be presented to user when releasing news.According to auction mechanism
In separability condition, the clicking rate released news is equal to releasing position parameter and the product of quality score released news.
Original distribution and the scheme of deducting fees is all release news according to ei·biIt is descending to be ranked up, define ei·
biRepresent publisher i original value degree, and each release news meet when deducting fees condition it is original deduct fees for：
In information issuing system, publisher can not be changed their bid by time restriction, can also be moved back at any time
Go out or into queue of vying for purchase.When just proceeding by information issue, every publisher only knows the actual bid of oneself and pre-
The private informations such as forward price value, it is not known that the information of other publishers, but go study by constantly adjusting the bid of oneself repeatedly
With infer other publishers true value be possible.By constantly attempting, publisher can converge on a kind of stabilization
The publisher of state, i.e., one can not exchange position come additional income by the publisher with other positions；Now this information is sent out
It is covered with sufficient below equation：
(vi-qi)eixi≥(vi-qj)eixjI ≠ j formula 2
Wherein, qiei=bi+1ei+1, represent that publisher i is put in i-th bit and release news than the receipts that released news in other j positions
It is beneficial big.
Determined by arranging above-mentioned formula with lower inequality：
Formula 3
According to formula 3, it is determined that
Formula 4
Wherein,
Obtain the actual bid b on next information releasing position of scheduled duration internal information releasing positioni+1And it is corresponding
The quality score e released newsi+1；According to the actual bid b on information releasing positioniAnd the quality released news accordingly
Score value ei, and combine the actual bid b on next information releasing positioni+1And the quality score e released news accordinglyi+1, lead to
Cross formula 4 to be calculated, determine expectancy v of each publisher to information releasing positioni。
Preferably, the device also includes expanded keyword determining module (not shown) and relevant information acquisition module
(not shown)；When the sample size of the actual bid of multiple publishers in scheduled duration is less than predetermined sample amount threshold
When, expanded keyword determining module is extended processing to keyword, it is determined that the one or more extensions related to keyword are closed
Keyword；For one or more expanded keywords, relevant information acquisition module is obtained on scheduled duration internal information releasing position
Actual bid and the quality score that releases news accordingly and on next information releasing position of information releasing position
The actual quality score bid and released news accordingly；Computing unit according to for keyword on the information releasing position
The actual quality score bid and released news accordingly, and the actual bid on next information releasing position and corresponding hair
The quality score of cloth information, and for the actual bid on the information releasing position of one or more expanded keywords and accordingly
The quality score released news and actual bid on next information releasing position and the quality that releases news accordingly
Score value, is calculated by prediction model, determines expectancy of each publisher to information releasing position.
Specifically, when the sample size of the actual bid of multiple publishers in scheduled duration is less than predetermined sample amount threshold
When, processing is extended to keyword, it is determined that the one or more expanded keywords related to keyword.For example, will be with key
The similar keyword of word text regard the keyword similar to keywords semantics as expanded keyword as expanded keyword.Pin
To one or more expanded keywords, the actual bid b on scheduled duration internal information releasing position is obtainediAnd corresponding issue
The quality score e of informationiAnd the actual bid b on next information releasing position of information releasing positioni+1And corresponding hair
The quality score e of cloth informationi+1；According to the actual bid b on information releasing position for keywordiAnd corresponding issue
The quality score e of informationi, and the actual bid b on next information releasing positioni+1And the quality released news accordingly point
Value ei+1, and for the actual bid b on the information releasing position of one or more expanded keywordsiAnd corresponding issue letter
The quality score e of breathiAnd the actual bid b on next information releasing positioni+1And the quality score released news accordingly
ei+1, calculated by formula 4, determine expectancy of each publisher to information releasing position.
Sample action value determining module 230 based on each publisher to the expectancy of information releasing position and with each hair
Cloth person is directed to the quality score released news of the keyword accordingly, it is determined that information releasing position corresponding with each publisher
Sample action value.
Specifically, the sample action value for defining information releasing position corresponding with publisher i is si=ei·vi；Based on every
Expectancy v of one publisher to information releasing positioniAnd releasing news for the keyword corresponding with each publisher
Quality score ei, pass through si=ei·viCalculate, it is determined that the sample action value of information releasing position corresponding with each publisher
si。
The sample action value of 240 pairs of minimum value degree determining module information releasing position corresponding with multiple publishers difference
Statistical disposition is carried out, the minimum value degree of information releasing position is determined.
Specifically, minimum value degree determining module 240 sets up unit (not shown) and minimum value degree including function
Determining unit (not shown).
Function sets up the probability that unit sets up the sample action value of information releasing position corresponding with multiple publishers difference
Distribution function and probability density function.
Specifically, the sample action value of information releasing position corresponding with multiple publishers difference obeys lognormal point
Cloth, probability-distribution function is logarithm normal distribution function, and probability density function is the probability density function of logarithm normal distribution；Example
Such as, sample action value si=ei·viMeet probability-distribution function F (si) and probability density function f (si)。
Minimum value degree determining unit is based on probability-distribution function and probability density function, determines information releasing position most
Low value degree.
Specifically, use
Formula 5
Determine the minimum value degree score_limit of information releasing position；Specifically, withAccordingly
Zero point on curve, the corresponding s at zero pointiValue is minimum value degree score_limit；Wherein, siFor with any publisher's phase
The sample action value for the described information releasing position answered, and siMeet probability-distribution function F (si) and probability density function f (si)。
In embodiments of the invention, each publisher reflects the publisher to the expectancy of an information releasing position
To the psychological endurance scope of the information releasing position, by minimum value degree of each publisher to an information releasing position
Accurately estimated, psychological endurance limiting value of the publisher to the information releasing position can be obtained, be subsequently to be based on pre- forward price
Value determines actually deducting fees there is provided strong guarantee for the publisher, and then can effectively and rapidly solve information releasing position
Value sells problem cheap caused by being underestimated；And the present invention will not increase the load pressure of system, improve information issuing system
It is ageing.Meanwhile, pass through the computing of formula 5, it is ensured that minimum value degree be using maximize the income of information issuing system as
Target is calculated, the system income of information issuing system is improved.
In a preferred embodiment (reference picture 2), the device also includes minimum determining module (not shown) of deducting fees, most
Low determining module of deducting fees according to the minimum value degree of information releasing position, and is combined and publisher's phase for a publisher
The quality score released news for the keyword answered, determines minimum button of the publisher on described information releasing position
Take.
Specifically, for a publisher, its corresponding releasing news in information releasing position for keyword is defined
On it is minimum deduct fees as the ratio of the minimum value degree score_limit quality scores released news with this, i.e., it is minimum to deduct fees：
Formula 6
In the preferred embodiment, the minimum quality score deducted fees and released news is inversely proportional, therefore same information is sent out
Minimum deduct fees of cloth position may be constantly different, can if the quality score released news on the information releasing position is higher
Calculating determine it is less it is minimum deduct fees, determine larger minimum deduct fees conversely, then calculating；This preferred embodiment can promote hair
Cloth person updates the quality that it releases news, so as to lift information distribution effect so that be presented in the releasing news of user
Including more abundant, accurate content information, user's viewing experience is improved.
Preferably (reference picture 2), the device also includes actually deduct fees determining module (not shown), determination of actually deducting fees
Module is deducted fees according to minimum on information releasing position of the publisher, and combines the actual bid of the publisher, determines the hair
Cloth person actually deducting fees on information releasing position.
Specifically, it is determined that the mode actually deducted fees includes：
1) size of minimum deduct fees p and the actual bid of the publisher of the publisher on information releasing position is compared
Bi, selection smaller value is actually to deduct fees；
2) minimum deduct fees p, the actual bid bi and root of the publisher of the publisher on information releasing position are compared
The original p that deducts fees determined according to formula 1Original iSize, to determine actually to deduct fees；For example, the min that actually deducts fees (bi, max (p,
pOriginal i)), that is, select the minimum p and original p that deducts fees that deducts feesOriginal iIn higher value, then actually going out in the higher value and publisher
Smaller value is selected in valency bi as actually deducting fees.
In the preferred embodiment of this programme, because publisher reflects it to information to the expectancy of information releasing position
The psychological endurance value of releasing position, determines the scheme of deducting fees, it can be ensured that in the button based on obtained expectancy is accurately estimated
Publisher will not frequently change the bid of oneself under expense scheme, reduce the information processing pressure of system, the stability of lifting system.
Those skilled in the art of the present technique are appreciated that the present invention includes being related to for performing in operation described herein
One or more of equipment.These equipment can be for needed for purpose and specially design and manufacture, or can also include general
Known device in computer.These equipment have the computer program being stored in it, and these computer programs are optionally
Activation is reconstructed.Such computer program can be stored in equipment (for example, computer) computer-readable recording medium or be stored in
E-command and it is coupled to respectively in any kind of medium of bus suitable for storage, the computer-readable medium is included but not
Be limited to any kind of disk (including floppy disk, hard disk, CD, CD-ROM and magneto-optic disk), ROM (Read-Only Memory, only
Read memory), RAM (Random Access Memory, immediately memory), EPROM (Erasable Programmable
Read-Only Memory, Erarable Programmable Read only Memory), EEPROM (Electrically Erasable
Programmable Read-Only Memory, EEPROM), flash memory, magnetic card or light card
Piece.It is, computer-readable recording medium includes storing or transmitting any Jie of information in the form of it can read by equipment (for example, computer)
Matter.
Those skilled in the art of the present technique be appreciated that can be realized with computer program instructions these structure charts and/or
The combination of each frame and these structure charts and/or the frame in block diagram and/or flow graph in block diagram and/or flow graph.This technology is led
Field technique personnel be appreciated that these computer program instructions can be supplied to all-purpose computer, special purpose computer or other
The processor of programmable data processing method is realized, so as to pass through the processing of computer or other programmable data processing methods
The scheme that device is specified in the frame or multiple frames to perform structure chart disclosed by the invention and/or block diagram and/or flow graph.
Those skilled in the art of the present technique are appreciated that in the various operations discussed in the present invention, method, flow
Step, measure, scheme can be replaced, changed, combined or deleted.Further, it is each with what is discussed in the present invention
Kind operation, method, other steps in flow, measure, scheme can also be replaced, changed, reset, decomposed, combined or deleted.
Further, it is of the prior art to have and the step in the various operations disclosed in the present invention, method, flow, measure, scheme
It can also be replaced, changed, reset, decomposed, combined or deleted.
Described above is only some embodiments of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (16)
1. a kind of method for the action value for determining information releasing position, it is characterised in that including：
For a keyword, the actual bid of multiple publishers on an information releasing position in scheduled duration is obtained；
According to the actual bid of the multiple publisher, expectancy of each publisher to described information releasing position is determined；
Based on each publisher to the expectancy of described information releasing position and it is corresponding with each publisher be directed to the key
The quality score released news of word, it is determined that the sample action value of described information releasing position corresponding with each publisher；
Sample action value progress statistical disposition pair described information releasing position corresponding with multiple publishers difference, it is determined that described
The minimum value degree of information releasing position；
Wherein, the actual bid according to the multiple publisher, determines each publisher to described information releasing position
Expectancy, is specifically included：
By the actual bid of each publisher directly as expectancy of the publisher to described information releasing position, and/or；
According to the actual bid on described information releasing position and the quality score released news accordingly, and with reference under described
Actual bid on one information releasing position and the quality score released news accordingly, are calculated, really by prediction model
Expectancy of the fixed each publisher to described information releasing position.
2. the method for the action value according to claim 1 for determining information releasing position, it is characterised in that according to described
Actual bid on information releasing position and the quality score released news accordingly, and with reference to next information releasing position
On actual bid and the quality score that releases news accordingly, calculated by prediction model, determine each publisher couple
The expectancy of described information releasing position, is specifically included；
Obtain actual bid in the scheduled duration on next information releasing position of described information releasing position and corresponding
The quality score released news；
According to the actual bid on described information releasing position and the quality score released news accordingly, and with reference under described
Actual bid on one information releasing position and the quality score released news accordingly, are calculated, really by prediction model
Expectancy of the fixed each publisher to described information releasing position.
3. the method for the action value according to claim 2 for determining information releasing position, it is characterised in that also include：
When the sample size of the actual bid of multiple publishers in the scheduled duration is less than predetermined sample amount threshold, to institute
State keyword and be extended processing, it is determined that the one or more expanded keywords related to the keyword；
For one or more of expanded keywords, the reality on described information releasing position in the scheduled duration is obtained
Bid and the quality score and the reality on next information releasing position of described information releasing position released news accordingly
The quality score that border is bid and released news accordingly；
Wherein, according to the actual bid on described information releasing position and the quality score released news accordingly, and combine
Actual bid on next information releasing position and the quality score released news accordingly, are counted by prediction model
Calculate, determine expectancy of each publisher to described information releasing position, be specially：
According to for actual bid of the keyword on described information releasing position and the quality accordingly released news
Score value, and actual bid on next information releasing position and the quality score that releases news accordingly, and be directed to
Actual bid on the described information releasing position of one or more of expanded keywords and the quality released news accordingly
Score value and actual bid on next information releasing position and the quality score released news accordingly, by estimating
Model is calculated, and determines expectancy of each publisher to described information releasing position.
4. the method for the action value of the determination information releasing position according to claim any one of 1-3, wherein, pair with it is multiple
The sample action value that publisher distinguishes corresponding described information releasing position carries out statistical disposition, determines described information releasing position
Minimum value degree, specifically include：
Set up the probability-distribution function and generally of the sample action value of corresponding with multiple publishers difference described information releasing position
Rate density function；
Based on the probability-distribution function and the probability density function, the minimum value degree of described information releasing position is determined.
5. the method for the action value according to claim 4 for determining information releasing position, wherein, based on the probability distribution
Function and the probability density function, determine the minimum value degree of described information releasing position, specifically include：
Using formulaDetermine the minimum value degree of described information releasing position；
Wherein, siFor the sample action value of described information releasing position corresponding with any publisher, and siMeet probability distribution letter
Number F (si) and probability density function f (si)。
6. the method for the action value according to claim 4 for determining information releasing position, wherein, described and multiple publishers
The sample action value of corresponding described information releasing position obeys logarithm normal distribution respectively, and the probability-distribution function is logarithm
Normal distyribution function, the probability density function is the probability density function of logarithm normal distribution.
7. the method for the action value of the determination information releasing position according to claim any one of 1-3, wherein, in addition to：
For a publisher, according to the minimum value degree of described information releasing position, and pin corresponding with the publisher is combined
To the quality score released news of the keyword, determine that minimum on described information releasing position of the publisher is deducted fees.
8. the method for the action value according to claim 7 for determining information releasing position, wherein, in addition to：
Deducted fees according to minimum on described information releasing position of the publisher, and combine the actual bid of the publisher, it is determined that
The publisher actually deducting fees on described information releasing position.
9. a kind of device for the action value for determining information releasing position, it is characterised in that including：
Actual bid acquisition module, for for a keyword, obtaining many on an information releasing position in scheduled duration
The actual bid of individual publisher；
Expectancy determining module, for the actual bid according to the multiple publisher, determines each publisher to the letter
Cease the expectancy of releasing position；
Sample action value determining module, for based on each publisher to the expectancy of described information releasing position and with it is each
Publisher is directed to the quality score released news of the keyword accordingly, it is determined that described information corresponding with each publisher is sent out
The sample action value of cloth position；
Minimum value degree determining module, the sample for pair described information releasing position corresponding with multiple publishers difference is worth
Degree carries out statistical disposition, determines the minimum value degree of described information releasing position；
Wherein, the expectancy determining module, specifically for：
By the actual bid of each publisher directly as expectancy of the publisher to described information releasing position, and/or；
According to the actual bid on described information releasing position and the quality score released news accordingly, and with reference under described
Actual bid on one information releasing position and the quality score released news accordingly, are calculated, really by prediction model
Expectancy of the fixed each publisher to described information releasing position.
10. the device of the action value according to claim 9 for determining information releasing position, it is characterised in that the expection
Value determining module is specifically included；
First acquisition unit, for obtaining next information releasing position in the scheduled duration in described information releasing position
Actual bid and the quality score that releases news accordingly；
Computing unit, for according to the actual bid on described information releasing position and the quality released news accordingly point
Value, and with reference to the actual bid on next information releasing position and the quality score released news accordingly, by estimating
Model is calculated, and determines expectancy of each publisher to described information releasing position.
11. the device of the action value according to claim 10 for determining information releasing position, it is characterised in that also include：
Expanded keyword determining module, for being less than when the sample size of the actual bid of multiple publishers in the scheduled duration
During predetermined sample amount threshold, processing is extended to the keyword, it is determined that related to the keyword is one or more
Expanded keyword；
Relevant information acquisition module, for for one or more of expanded keywords, obtaining in the scheduled duration in institute
State the actual bid on information releasing position and the quality score released news accordingly and in described information releasing position
Actual bid on next information releasing position and the quality score released news accordingly；
Wherein, the computing unit is further used for according to the reality on described information releasing position for being directed to the keyword
Bid and the quality score released news accordingly, and the actual bid on next information releasing position and corresponding hair
The quality score of cloth information, and for actually going out on the described information releasing position of one or more of expanded keywords
Valency and the quality score released news accordingly and the actual bid on next information releasing position and corresponding hair
The quality score of cloth information, is calculated by prediction model, determines expection of each publisher to described information releasing position
Value.
12. the device of the action value of the determination information releasing position according to claim any one of 9-11, wherein, it is described most
Low value degree determining module is specifically included：
Function sets up unit, the sample action value for setting up corresponding with multiple publishers difference described information releasing position
Probability-distribution function and probability density function；
Minimum value degree determining unit, for based on the probability-distribution function and the probability density function, determining the letter
Cease the minimum value degree of releasing position.
13. the device of the action value according to claim 12 for determining information releasing position, wherein, the minimum value degree
Determining unit is specifically for using formulaDetermine the minimum value degree of described information releasing position；
Wherein, siFor the sample action value of described information releasing position corresponding with any publisher, and siMeet probability distribution letter
Number F (si) and probability density function f (si)。
14. the device of the action value according to claim 12 for determining information releasing position, wherein, described and multiple issues
The sample action value that person distinguishes corresponding described information releasing position obeys logarithm normal distribution, the probability-distribution function for pair
Number normal distyribution function, the probability density function is the probability density function of logarithm normal distribution.
15. the device of the action value of the determination information releasing position according to claim any one of 9-11, wherein, also wrap
Include：
Minimum determining module of deducting fees, for for a publisher, according to the minimum value degree of described information releasing position, and tying
The quality score released news for the keyword corresponding with the publisher is closed, determines that the publisher issues in described information
Minimum on position is deducted fees.
16. the device of the action value according to claim 15 for determining information releasing position, wherein, in addition to：
Actually deduct fees determining module, for being deducted fees according to minimum on described information releasing position of the publisher, and combine should
The actual bid of publisher, determines the publisher actually deducting fees on described information releasing position.
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| CN106339897B (en) * | 2016-08-18 | 2020-02-21 | 腾讯科技（深圳）有限公司 | Method and device for determining release strategy |
| CN107169052B (en) * | 2017-04-26 | 2019-03-05 | 北京小度信息科技有限公司 | Recommended method and device |
| CN110648158B (en) * | 2018-06-27 | 2022-07-19 | 阿里巴巴（中国）有限公司 | Resource allocation method and device |
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