CN109598410A - Presell methods of risk assessment, system, computer installation and readable storage medium storing program for executing - Google Patents

Presell methods of risk assessment, system, computer installation and readable storage medium storing program for executing Download PDF

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CN109598410A
CN109598410A CN201811289813.1A CN201811289813A CN109598410A CN 109598410 A CN109598410 A CN 109598410A CN 201811289813 A CN201811289813 A CN 201811289813A CN 109598410 A CN109598410 A CN 109598410A
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presell
information
assessed value
trade company
input
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甘文俊
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Ping An Technology Shenzhen Co Ltd
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Ping An Technology Shenzhen Co Ltd
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Priority to PCT/CN2019/077514 priority patent/WO2020087828A1/en
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
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    • G06Q10/06Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
    • G06Q10/063Operations research, analysis or management
    • G06Q10/0635Risk analysis of enterprise or organisation activities

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Abstract

The present invention provides a kind of presell methods of risk assessment, system, computer installation and computer readable storage medium.The presell methods of risk assessment includes: to obtain history feature data, and the history feature data are that trade company has initiated presell behavior and the data with presell result;History feature data corresponding to different presell results are separately input into neural network model to be trained to obtain the first risk evaluation model and the second risk evaluation model;A pending movable characteristic of presell is obtained, and the characteristic is separately input into first risk evaluation model and the second risk evaluation model, obtains the first assessed value and the second assessed value;And the movable success rate of pending presell is calculated according to first assessed value and second assessed value.The present invention is based on neural metwork trainings to obtain presell risk evaluation model, and trade company's presell success rate can be calculated according to model, avoid user's economic loss.

Description

Presell methods of risk assessment, system, computer installation and readable storage medium storing program for executing
Technical field
The present invention relates to data processing field more particularly to a kind of presell methods of risk assessment, system, computer installation and Computer readable storage medium.
Background technique
Presell refers to the sales behavior carried out before product does not also formally enter market, can understand this kind by presell Whether product has market, especially for it is some can only be by the product of mass production for, reach a certain amount of by presell It just puts into production afterwards, has effectively evaded the existing risk of production.Present businessman likes doing presell in advance before commercial articles vending Marketing activity, to attract customer.All there is certain risk in a kind of either that businessman of product, operation, once businessman passes through Battalion is not good at or businessman deliberately swindles, it is easy to cause the economic loss of user.
This part intends to provides background for the embodiments of the present invention stated in claims and specific embodiment Or context.Description herein recognizes it is the prior art not because not being included in this section.
Summary of the invention
In view of above-mentioned, the present invention provides a kind of presell methods of risk assessment, system, computer installation and computer-readable deposits Storage media may be implemented to carry out risk profile to trade company's presell behavior.
One embodiment of the application provides a kind of presell methods of risk assessment, which comprises
History feature data are obtained, wherein the history feature data are that trade company has initiated presell behavior and had presell As a result data, the presell result include presell success and presell failure;
Classify according to different presell results to the history feature data;
History feature data corresponding to different presell results are separately input into neural network model to be trained, with It respectively obtains corresponding to successful first risk evaluation model of presell and corresponding to the second risk evaluation model of presell failure;
A pending movable characteristic of presell is obtained, and the characteristic is input to first risk assessment Model obtains the first assessed value, and the characteristic is input to second risk evaluation model and obtains the second assessed value; And
The movable success rate of pending presell is calculated according to first assessed value and second assessed value.
Preferably, the history feature data include multiple trade company's dimensional informations, and multiple trade company's dimensional informations include But it is not limited to: urban information, shops where Merchants register fund information, shareholder number information, shareholder's credit record information, shops Location information, the affiliated trade information of trade company, the preferential dynamics information of commodity, grace period information, merchandise cost information, opening time Information, trade company's profit or loss information, customer quantity information.
Preferably, after the step of acquisition history feature data further include:
Judge whether there is one or more trade company's dimensional information missing;And
When there are one or more trade company's dimensional information missing, one or more trade company's dimensional information of missing is set It is set to default characteristic.
Preferably, described that history feature data corresponding to different presell results are separately input into neural network model It is trained, corresponds to successful first risk evaluation model of presell and corresponding to the second risk of presell failure to respectively obtain The step of assessment models includes:
Presell result is input to first nerves network model for the successful history feature data of presell to be trained, is obtained First risk evaluation model;
The history feature data that presell result is presell failure are input to nervus opticus network model to be trained, are obtained Second risk evaluation model;
Wherein, the first nerves network model and the nervus opticus network model are BP neural network model, institute Stating BP neural network model includes input layer, hidden layer and output layer.
Preferably, the input layer includes n node, and the hidden layer includes m node, the BP neural network model Are as follows:
Wherein, y is the output valve of the output layer, when the characteristic is input to first risk evaluation model When, the output valve y of first risk evaluation model is first assessed value, when the characteristic is input to described the When two risk evaluation models, the output valve y of second risk evaluation model is second assessed value, tiFor the hidden layer With the connection weight between the output layer, It is described hidden Hide the input of layer, the output of the as described input layer, WijFor the connection weight between the input layer and the hidden layer;f (Si) be the BP neural network model in activation primitive,
Preferably, described that the pending presell work is calculated according to first assessed value and second assessed value The step of dynamic success rate includes:
Obtain corresponding first weight coefficient of first assessed value and the second assessed value corresponding second weight system Number;And
The product of first assessed value and first weight coefficient is subtracted into second assessed value and described second The product of weight coefficient obtains the movable success rate of pending presell.
Preferably, described that the pending presell work is calculated according to first assessed value and second assessed value After the step of dynamic success rate further include:
Judge whether the movable success rate of pending presell is greater than preset threshold;
When the pending movable success rate of presell is greater than the preset threshold, the first prompt information is exported;And
When the pending movable success rate of presell is not more than the preset threshold, the second prompt information is exported.
One embodiment of the application provides a kind of presell risk evaluating system, the system comprises:
First obtains module, is used for history feature data, wherein the history feature data are that trade company has initiated presell Behavior and the data with presell result, the presell result include presell success and presell failure;
Model training module, for history feature data corresponding to different presell results to be separately input into nerve net Network model is trained, and corresponds to successful first risk evaluation model of presell and corresponding to the of presell failure to respectively obtain Two risk evaluation models;
Second obtains module, for obtaining a pending movable characteristic of presell, and the characteristic is inputted The first assessed value is obtained to first risk evaluation model, and the characteristic is input to the second risk assessment mould Type obtains the second assessed value;And
Computing module, for the pending presell to be calculated according to first assessed value and second assessed value Movable success rate.
One embodiment of the application provides a kind of computer installation, and the computer installation includes processor and memory, Several computer programs are stored on the memory, the processor is for when executing the computer program stored in memory The step of realizing presell methods of risk assessment as elucidated before.
One embodiment of the application provides a kind of computer readable storage medium, is stored thereon with computer program, described The step of presell methods of risk assessment as elucidated before is realized when computer program is executed by processor.
Above-mentioned presell methods of risk assessment, system, computer installation and computer readable storage medium are based on machine learning Establish and train to obtain risk evaluation model with history trade company presell data, and by a pending movable trade company's feature of presell Data are input to the risk evaluation model and are calculated the movable success rate of trade company's presell, so user can according to this at Power judges whether to need to participate in the presell activity of the trade company, avoids economic loss.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical solution of embodiment of the present invention The attached drawing used is briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiments of the present invention, for For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other Attached drawing.
Fig. 1 is the step flow chart of presell methods of risk assessment in one embodiment of the invention.
Fig. 2 is the step flow chart of presell methods of risk assessment in another embodiment of the present invention.
Fig. 3 is the functional block diagram of presell risk evaluating system in one embodiment of the invention.
Fig. 4 is computer schematic device in one embodiment of the invention.
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real Applying mode, the present invention will be described in detail.It should be noted that in the absence of conflict, presently filed embodiment and reality The feature applied in mode can be combined with each other.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, described embodiment Only some embodiments of the invention, rather than whole embodiments.Based on the embodiment in the present invention, this field Those of ordinary skill's every other embodiment obtained without making creative work, belongs to guarantor of the present invention The range of shield.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool The purpose of the embodiment of body, it is not intended that in the limitation present invention.
Preferably, presell methods of risk assessment of the invention is applied in one or more computer installation.The meter Calculation machine device be it is a kind of can be according to the instruction for being previously set or store, automatic progress numerical value calculating and/or information processing are set Standby, hardware includes but is not limited to microprocessor, specific integrated circuit (Application Specific Integrated Circuit, ASIC), programmable gate array (Field-Programmable Gate Array, FPGA), digital processing unit (Digital Signal Processor, DSP), embedded device etc..
The computer installation can be the calculating such as desktop PC, laptop, tablet computer, server and set It is standby.The computer installation can carry out people by modes such as keyboard, mouse, remote controler, touch tablet or voice-operated devices with user Machine interaction.
Embodiment one:
Fig. 1 is the step flow chart of presell methods of risk assessment preferred embodiment of the present invention.It is described according to different requirements, The sequence of step can change in flow chart, and certain steps can be omitted.
As shown in fig.1, the presell methods of risk assessment specifically includes following steps.
Step S11, obtain history feature data, wherein the history feature data be trade company initiated presell behavior and Data with presell result, the presell result include presell success and presell failure.
In one embodiment, a merchant data sample database can be connected to by access network, so come obtain with The relevant history feature data of trade company's presell.The merchant data sample database can be collected by big data mode multiple trade companies into The movable history feature data of presell of going can also pass through the history feature number relevant to trade company's presell of the artificial typing of reception According to.
In one embodiment, history feature data relevant to trade company's presell include but is not limited to multiple trade company's dimension letters Breath, multiple trade company's dimensional informations include but is not limited to: Merchants register fund information, shareholder number information, shareholder's credit note Record information, urban information where shops, shops's location information, the affiliated trade information of trade company, the preferential dynamics information of commodity, it is preferential when Between information, merchandise cost information, opening temporal information, trade company profit or loss information, customer quantity information.
It in one embodiment, can also be to acquiring after obtaining relevant to trade company's presell history feature data Characteristic carries out pretreatment operation.It is to be appreciated that may have one or more missings in the history feature data Trade company's dimensional information of data information can be by corresponding missing data information in order to improve the accuracy of follow-up data processing result Trade company's dimensional information be set as default default value.For example, for trade company's dimensional information is the preferential dynamics information of commodity, if The history feature data of one trade company do not have the preferential dynamics information of commodity, and it is preferential to indicate that the trade company does not have when carrying out presell activity, At this point it is possible to set default default value (assuming that default default value is 0) for the preferential dynamics information of the commodity of the trade company.
It is to be appreciated that history feature data relevant to trade company's presell can be obtained from the merchant data sample database of structuring It takes, the history feature data acquired at this time can directly carry out subsequent processing.In other embodiments, with trade company's presell Relevant history feature data are also possible to may be non-structured data, the data being such as stored in text.Thus, right When the history feature data are pre-processed, corresponding characteristic can be also obtained from non-structured data.
In one embodiment, when the history feature data are non-structured data, it can first define and be tieed up with trade company Spend the corresponding keyword of information, trade company's dimensional information as described in multiple include: Merchants register fund information, shareholder number information, Urban information, shops's location information, the affiliated trade information of trade company, the preferential dynamics of commodity where shareholder's credit record information, shops Information, grace period information, merchandise cost information, opening temporal information;Then keyword corresponding with those trade company's dimensional informations Are as follows: registered capital, shareholder's number, shareholder's credit record, city, position, industry, preferential dynamics, grace period, cost, opening Time.For example, non-structured data include " grace period is on January 1st, 2017 ", it is " preferential since it comprises keywords Time ", thus it is " on January 1st, 2017 " that corresponding characteristic can be obtained according to keyword " grace period ".
Step S12, by history feature data corresponding to different presell results be separately input into neural network model into Row training is commented with respectively obtaining the second risk for corresponding to successful first risk evaluation model of presell and failing corresponding to presell Estimate model.
In one embodiment, can by history feature data according to presell result be presell success and presell unsuccessfully come into Row classification makees the history feature data of presell failure using the successful history feature data of presell as first sample data set For the second sample data set.
In one embodiment, first risk evaluation model, second risk evaluation model can be based on mind The model come is trained through network model and first sample data set, the second sample data set.The neural network model can Human brain neuroid is abstracted from information processing angle, different networks is formed by different connection types, is not necessarily to thing It first determines the math equation of mapping relations between input and output, only by the training of itself, is obtained most in given input value Close to the result of desired output.The neural network model includes input layer, hidden layer and output layer.The history feature number According to the input layer that can be used as neural network model, one is exported by output layer using after the connection of the hidden layer of neural network model Assessed value.
It in one embodiment, can be by presell result since the presell result includes that presell success and presell fail First nerves network model is input to for the successful history feature data of presell to be trained, and obtains the first risk assessment mould The history feature data that presell result is presell failure are input to nervus opticus network model and are trained, obtained described by type Second risk evaluation model.The neural network model can be BP (Back Propagation, backpropagation) neural network Model, the BP neural network model are a kind of multilayer feedforword nets by error back propagation training based on gradient descent method Network, using gradient search technology, to make the real output value of network and the error mean square difference minimum of desired output.At this In the other embodiments of invention, other kinds of neural network model can also be selected according to actual needs.
In one embodiment, the input layer includes n node, and the hidden layer includes m node, the BP nerve Network model can indicate are as follows:
Wherein, y is the output valve of the output layer, when the characteristic is input to first risk evaluation model When, the output valve y of first risk evaluation model is first assessed value, when the characteristic is input to described second When risk evaluation model, the output valve y of second risk evaluation model is second assessed value, tiFor the hidden layer and institute The connection weight between output layer is stated, SiIt is described hidden Hide the input of layer, the output of the as described input layer, WijFor the connection weight between the input layer and the hidden layer, f () For the activation primitive in the BP neural network model, when the hidden layer has input, activation primitive is expressed as f (Si).It is described Activation primitive f (Si) S type function (Sigmoid function), f (S can be usedi) can indicate are as follows:
It is to be appreciated that tiIt can indicate the connection weight between i-th of node of the hidden layer and the output layer, For example, t11st connection weight between node and the output layer of the as described hidden layer, t2The as described hidden layer 2nd connection weight between node and the output layer, t33rd node of the as described hidden layer and the output layer it Between connection weight, tmConnection weight between m-th of the node and the output layer of the as described hidden layer.Similarly it is found that WijConnection weight between i-th of node of the as described hidden layer and j-th of node of the input layer.By to the BP Neural network model is trained, and can be correspondingly made available tiAnd WijValue, i.e., training obtain each layer of BP neural network model Parameter, risk evaluation model so can be obtained.
Step S13, a pending movable characteristic of presell is obtained, and the characteristic is input to described first Risk evaluation model obtains the first assessed value, and the characteristic is input to second risk evaluation model and obtains second Assessed value.
In one embodiment, when a trade company A prepares to carry out presell activity, the characteristic of available trade company A, The characteristic of trade company A includes Merchants register fund information, shareholder number information, shareholder's credit record information, shops place Urban information, shops's location information, the affiliated trade information of trade company, the preferential dynamics information of commodity, grace period information, merchandise cost Information, opening temporal information, trade company's profit or loss information, customer quantity information.First risk evaluation model is to be based on The successful history feature data of presell and construct, therefore, the characteristic of trade company A is input to first risk assessment Model obtains the first assessed value, and first assessed value can be used to predict the successful probability of trade company A presell.Second wind Dangerous assessment models are constructed based on the history feature data that presell fails, and therefore, the characteristic of trade company A is input to Second risk evaluation model obtains the second assessed value, and second assessed value can be used to predict that trade company A presell fails Probability.
Step S14, the pending presell activity is calculated according to first assessed value and second assessed value Success rate.
In one embodiment, the first power can be respectively set for first assessed value and second assessed value in advance Weight coefficient and the second weight coefficient, wherein first assessed value corresponds to the first weight coefficient, second assessed value corresponding the Two weight coefficients, then by the product of first assessed value and first weight coefficient subtract second assessed value with it is described The product of second weight coefficient obtain the pending movable success rate of presell of trade company A (calculation formula may is that success rate= First the second weight coefficient of assessed value * the first weight coefficient the-the second assessed value *).
Please refer to Fig. 2, compared with presell methods of risk assessment shown in fig. 1, Fig. 2 shows presell risk assessment side Method further includes step S15, S16 and S17.
Step S15, judges whether the movable success rate of pending presell is greater than preset threshold;
Step S16, when the pending movable success rate of presell is greater than the preset threshold, output the first prompt letter Breath;
Step S17, when the pending movable success rate of presell is not more than the preset threshold, the second prompt of output Information.
In one embodiment, when the pending movable success rate of presell is greater than the preset threshold, show this The probalility of success of trade company's A presell is greater than failure probability, and trade company's business risk is lower, and the presell that user can participate in trade company A is living It is dynamic, when the pending movable success rate of presell is not more than the preset threshold, show the probalility of success of trade company A presell Less than failure probability, trade company's business risk is larger, it is not recommended that user participates in the presell activity of trade company A.The preset threshold can To be set and be adjusted according to actual use demand, for example, the preset threshold is set as 0.5, if trade company A is calculated The success rate of presell is greater than 0.5, then it represents that the probalility of success of the trade company A presell is greater than failure probability, output the first prompt letter It ceases to user, first prompt information may is that presell risk is lower, and the presell activity for participating in trade company A may be selected;If meter The success rate for obtaining trade company A presell is calculated no more than 0.5, then it represents that the probalility of success of the trade company A presell is less than failure probability, The second prompt information is exported to user, second prompt information may is that presell risk is higher, it is not recommended that participate in trade company A Presell activity.
Embodiment two:
Fig. 3 is the functional block diagram of presell risk evaluating system preferred embodiment of the present invention.
As shown in fig.2, the presell risk evaluating system 10 may include the first acquisition module 101, model training mould Block 102, second obtains module 103, computing module 104 and output module 105.
The acquisition module 101 be used for history feature data, wherein the history feature data be trade company initiated it is pre- Behavior and the data with presell result are sold, the presell result includes presell success and presell failure.
In one embodiment, the acquisition module 101 can be connected to a merchant data sample by access network Library, and then to obtain history feature data relevant to trade company's presell.The merchant data sample database can be by big data side Formula collects multiple trade companies and carried out the movable history feature data of presell, can also be by receiving artificial typing and trade company's presell Relevant history feature data.
In one embodiment, history feature data relevant to trade company's presell include but is not limited to multiple trade company's dimension letters Breath, multiple trade company's dimensional informations include but is not limited to: Merchants register fund information, shareholder number information, shareholder's credit note Record information, urban information where shops, shops's location information, the affiliated trade information of trade company, the preferential dynamics information of commodity, it is preferential when Between information, merchandise cost information, opening temporal information, trade company profit or loss information, customer quantity information.
In one embodiment, the acquisition module 101 is after obtaining relevant to trade company's presell history feature data, Pretreatment operation can also be carried out to characteristic is acquired.It is to be appreciated that may be deposited in the history feature data In trade company's dimensional information of one or more missing data information, in order to improve the accuracy of follow-up data processing result, can incite somebody to action Trade company's dimensional information of corresponding missing data information is set as default default value.For example, being that commodity are excellent for trade company's dimensional information For favour dynamics information, if the history feature data of a trade company do not have the preferential dynamics information of commodity, indicate that the trade company is carrying out in advance Do not have when selling activity it is preferential, at this point it is possible to set default default value (assuming that default for the preferential dynamics information of the commodity of the trade company 0) default value is.
It is to be appreciated that history feature data relevant to trade company's presell can be obtained from the merchant data sample database of structuring It takes, the history feature data acquired at this time can directly carry out subsequent processing.In other embodiments, with trade company's presell Relevant history feature data are also possible to may be non-structured data, the data being such as stored in text.Thus, right When the history feature data are pre-processed, corresponding characteristic can be also obtained from non-structured data.
In one embodiment, when the history feature data are non-structured data, it can first define and be tieed up with trade company Spend the corresponding keyword of information, trade company's dimensional information as described in multiple include: Merchants register fund information, shareholder number information, Urban information, shops's location information, the affiliated trade information of trade company, the preferential dynamics of commodity where shareholder's credit record information, shops Information, grace period information, merchandise cost information, opening temporal information;Then keyword corresponding with those trade company's dimensional informations Are as follows: registered capital, shareholder's number, shareholder's credit record, city, position, industry, preferential dynamics, grace period, cost, opening Time.For example, non-structured data include " grace period is on January 1st, 2017 ", it is " preferential since it comprises keywords Time ", thus it is " on January 1st, 2017 " that corresponding characteristic can be obtained according to keyword " grace period ".
History feature data corresponding to different presell results for being separately input by the model training module 102 Neural network model is trained, and is lost with respectively obtaining to correspond to successful first risk evaluation model of presell and correspond to presell The second risk evaluation model lost.
In one embodiment, the history feature data can be that presell success and presell unsuccessfully come according to presell result Classify, using the successful history feature data of presell as first sample data set, by the history feature data of presell failure As the second sample data set.
In one embodiment, first risk evaluation model, second risk evaluation model can be based on mind The model come is trained through network model and first sample data set, the second sample data set.The neural network model can Human brain neuroid is abstracted from information processing angle, different networks is formed by different connection types, is not necessarily to thing It first determines the math equation of mapping relations between input and output, only by the training of itself, is obtained most in given input value Close to the result of desired output.The neural network model includes input layer, hidden layer and output layer.The history feature number According to the input layer that can be used as neural network model, one is exported by output layer using after the connection of the hidden layer of neural network model Assessed value.
In one embodiment, since the presell result includes presell success and presell failure, the model training mould Presell result can be input to first nerves network model for the successful history feature data of presell and is trained by block 102, be obtained To first risk evaluation model, the history feature data that presell result is presell failure are input to nervus opticus network mould Type is trained, and obtains second risk evaluation model.The neural network model can be BP (Back Propagation, backpropagation) neural network model, the BP neural network model be it is a kind of based on gradient descent method by The Multi-layered Feedforward Networks of error back propagation training, using gradient search technology, to make the real output value and expectation of network The error mean square difference of output valve is minimum.In other embodiments of the invention, other can also be selected according to actual needs The neural network model of type.
In one embodiment, the input layer includes n node, and the hidden layer includes m node, the BP nerve Network model can indicate are as follows:
Wherein, y is the output valve of the output layer, when the characteristic is input to first risk evaluation model When, the output valve y of first risk evaluation model is first assessed value, when the characteristic is input to described second When risk evaluation model, the output valve y of second risk evaluation model is second assessed value, tiFor the hidden layer and institute The connection weight between output layer is stated, SiIt is described hidden Hide the input of layer, the output of the as described input layer, WijFor the connection weight between the input layer and the hidden layer, f () For the activation primitive in the BP neural network model, when the hidden layer has input, activation primitive is expressed as f (Si).It is described Activation primitive f (Si) S type function (Sigmoid function), f (S can be usedi) can indicate are as follows:
It is to be appreciated that tiIt can indicate the connection weight between i-th of node of the hidden layer and the output layer, For example, t11st connection weight between node and the output layer of the as described hidden layer, t2The as described hidden layer 2nd connection weight between node and the output layer, t33rd node of the as described hidden layer and the output layer it Between connection weight, tmConnection weight between m-th of the node and the output layer of the as described hidden layer.Similarly it is found that WijConnection weight between i-th of node of the as described hidden layer and j-th of node of the input layer.By to the BP Neural network model is trained, and can be correspondingly made available tiAnd WijValue, i.e., training obtain each layer of BP neural network model Parameter, risk evaluation model so can be obtained.
Described second obtains module 103 for obtaining a pending movable characteristic of presell, and by the characteristic The first assessed value is obtained according to first risk evaluation model is input to, and the characteristic is input to second risk Assessment models obtain the second assessed value.
In one embodiment, when a trade company A prepares to carry out presell activity, the second acquisition module 103 is available should The characteristic of trade company A specifically can be acquisition module 103 and receive the characteristic that user inputs trade company A.The quotient The characteristic of family A includes city where Merchants register fund information, shareholder number information, shareholder's credit record information, shops Information, shops's location information, the affiliated trade information of trade company, the preferential dynamics information of commodity, grace period information, merchandise cost letter Breath, opening temporal information, trade company's profit or loss information, customer quantity information.First risk evaluation model is based on pre- It sells successful history feature data and constructs, therefore, the characteristic of trade company A is input to the first risk assessment mould Type obtains the first assessed value, and first assessed value can be used to predict the successful probability of trade company A presell.Second risk Assessment models are constructed based on the history feature data that presell fails, and therefore, the characteristic of trade company A are input to institute It states the second risk evaluation model and obtains the second assessed value, second assessed value can be used to predict trade company A presell failure Probability.
The computing module 104 be used to be calculated according to first assessed value and second assessed value it is described into The movable success rate of row presell.
In one embodiment, the first power can be respectively set for first assessed value and second assessed value in advance Weight coefficient and the second weight coefficient, wherein first assessed value corresponds to the first weight coefficient, second assessed value corresponding the Two weight coefficients, the computing module 104 can be by subtracting first assessed value and the product of first weight coefficient Second assessed value and the product of second weight coefficient is gone to obtain the pending movable success rate of presell of trade company A (calculation formula may is that success rate=first the second weight coefficient of assessed value * the first weight coefficient the-the second assessed value *).
The output module 105 is used for when the pending movable success rate of presell is greater than the preset threshold, defeated First prompt information out, when the pending movable success rate of presell is not more than the preset threshold, the second prompt of output Information.
In one embodiment, when the pending movable success rate of presell is greater than the preset threshold, show this The probalility of success of trade company's A presell is greater than failure probability, and trade company's business risk is lower, and the presell that user can participate in trade company A is living It is dynamic, when the pending movable success rate of presell is not more than the preset threshold, show the probalility of success of trade company A presell Less than failure probability, trade company's business risk is larger, it is not recommended that user participates in the presell activity of trade company A.The preset threshold can To be set and be adjusted according to actual use demand, for example, the preset threshold is set as 0.5, if trade company A is calculated The success rate of presell is greater than 0.5, then it represents that the probalility of success of the trade company A presell is greater than failure probability, output the first prompt letter It ceases to user, first prompt information may is that presell risk is lower, and the presell activity for participating in trade company A may be selected;If meter The success rate for obtaining trade company A presell is calculated no more than 0.5, then it represents that the probalility of success of the trade company A presell is less than failure probability, The second prompt information is exported to user, second prompt information may is that presell risk is higher, it is not recommended that participate in trade company A Presell activity.
Fig. 4 is the schematic diagram of computer installation preferred embodiment of the present invention.
The computer installation 1 includes memory 20, processor 30 and is stored in the memory 20 and can be in institute State the computer program 40 run on processor 30, such as presell risk assessment procedures.The processor 30 executes the calculating The step in above-mentioned presell methods of risk assessment embodiment, such as step S11~S14 shown in FIG. 1, figure are realized when machine program 40 Step S11~S17 shown in 2.Alternatively, the processor 30 realizes that above-mentioned presell risk is commented when executing the computer program 40 Estimate the function of each module in system embodiment, such as the module 101~105 in Fig. 3.
Illustratively, the computer program 40 can be divided into one or more module/units, it is one or Multiple module/units are stored in the memory 20, and are executed by the processor 30, to complete the present invention.Described one A or multiple module/units can be the series of computation machine program instruction section that can complete specific function, and described instruction section is used In implementation procedure of the description computer program 40 in the computer installation 1.For example, the computer program 40 can be with Be divided into Fig. 3 first obtain module 101, model training module 102, second obtain module 103, computing module 104 and Output module 105.Each module concrete function is referring to embodiment two.
The computer installation 1 can be the calculating such as desktop PC, notebook, palm PC and cloud server and set It is standby.It will be understood by those skilled in the art that the schematic diagram is only the example of computer installation 1, do not constitute to computer The restriction of device 1 may include perhaps combining certain components or different components, example than illustrating more or fewer components Such as described computer installation 1 can also include input-output equipment, network access equipment, bus.
Alleged processor 30 can be central processing unit (Central Processing Unit, CPU), can also be Other general processors, digital signal processor (Digital Signal Processor, DSP), specific integrated circuit (Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field- Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic, Discrete hardware components etc..General processor can be microprocessor or the processor 30 is also possible to any conventional processing Device etc., the processor 30 are the control centres of the computer installation 1, utilize various interfaces and the entire computer of connection The various pieces of device 1.
The memory 20 can be used for storing the computer program 40 and/or module/unit, and the processor 30 passes through Operation executes the computer program and/or module/unit being stored in the memory 20, and calls and be stored in memory Data in 20 realize the various functions of the computer installation 1.The memory 20 can mainly include storing program area and deposit Store up data field, wherein storing program area can application program needed for storage program area, at least one function (for example sound is broadcast Playing function, image player function etc.) etc.;Storage data area, which can be stored, uses created data (ratio according to computer installation 1 Such as audio data, phone directory) etc..In addition, memory 20 may include high-speed random access memory, it can also include non-easy The property lost memory, such as hard disk, memory, plug-in type hard disk, intelligent memory card (Smart Media Card, SMC), secure digital (Secure Digital, SD) card, flash card (Flash Card), at least one disk memory, flush memory device or other Volatile solid-state part.
If the integrated module/unit of the computer installation 1 is realized in the form of SFU software functional unit and as independence Product when selling or using, can store in a computer readable storage medium.Based on this understanding, of the invention It realizes all or part of the process in above-described embodiment method, can also instruct relevant hardware come complete by computer program At the computer program can be stored in a computer readable storage medium, and the computer program is held by processor When row, it can be achieved that the step of above-mentioned each embodiment of the method.Wherein, the computer program includes computer program code, institute Stating computer program code can be source code form, object identification code form, executable file or certain intermediate forms etc..It is described Computer-readable medium may include: any entity or device, recording medium, U that can carry the computer program code Disk, mobile hard disk, magnetic disk, CD, computer storage, read-only memory (ROM, Read-Only Memory), arbitrary access Memory (RAM, Random Access Memory), electric carrier signal, telecommunication signal and software distribution medium etc..It needs It is bright, the content that the computer-readable medium includes can according in jurisdiction make laws and patent practice requirement into Row increase and decrease appropriate, such as do not include electric load according to legislation and patent practice, computer-readable medium in certain jurisdictions Wave signal and telecommunication signal.
In several embodiments provided by the present invention, it should be understood that disclosed computer installation and method, it can be with It realizes by another way.For example, computer installation embodiment described above is only schematical, for example, described The division of unit, only a kind of logical function partition, there may be another division manner in actual implementation.
It, can also be in addition, each functional unit in each embodiment of the present invention can integrate in same treatment unit It is that each unit physically exists alone, can also be integrated in same unit with two or more units.Above-mentioned integrated list Member both can take the form of hardware realization, can also realize in the form of hardware adds software function module.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims Variation is included in the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.This Outside, it is clear that one word of " comprising " does not exclude other units or steps, and odd number is not excluded for plural number.It is stated in computer installation claim Multiple units or computer installation can also be implemented through software or hardware by the same unit or computer installation.The One, the second equal words are used to indicate names, and are not indicated any particular order.
Finally it should be noted that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although reference Preferred embodiment describes the invention in detail, those skilled in the art should understand that, it can be to of the invention Technical solution is modified or equivalent replacement, without departing from the spirit and scope of the technical solution of the present invention.

Claims (10)

1. a kind of presell methods of risk assessment, which is characterized in that the described method includes:
History feature data are obtained, wherein the history feature data are that trade company has initiated presell behavior and had presell result Data, the presell result include presell success and presell failure;
History feature data corresponding to different presell results are separately input into neural network model to be trained, with respectively It obtains corresponding to successful first risk evaluation model of presell and the second risk evaluation model corresponding to presell failure;
A pending movable characteristic of presell is obtained, and the characteristic is input to first risk evaluation model The first assessed value is obtained, and the characteristic is input to second risk evaluation model and obtains the second assessed value;And
The movable success rate of pending presell is calculated according to first assessed value and second assessed value.
2. presell methods of risk assessment as described in claim 1, which is characterized in that the history feature data include multiple quotient Family dimensional information, multiple trade company's dimensional informations include but is not limited to: Merchants register fund information, shareholder number information, stock The preferential dynamics letter of urban information, shops's location information, the affiliated trade information of trade company, commodity where eastern credit record information, shops Breath, grace period information, merchandise cost information, opening temporal information, trade company's profit or loss information, customer quantity information.
3. presell methods of risk assessment as claimed in claim 2, which is characterized in that the step of the acquisition history feature data Later further include:
Judge whether there is one or more trade company's dimensional information missing;And
When setting one or more trade company's dimensional information of missing to there are one or more trade company's dimensional information missing Default characteristic.
4. presell methods of risk assessment as claimed in claim 1 or 2, which is characterized in that described by different presell result institutes Corresponding history feature data are separately input into neural network model and are trained, and correspond to presell successful the to respectively obtain One risk evaluation model and corresponding to presell failure the second risk evaluation model the step of include:
Presell result is input to first nerves network model for the successful history feature data of presell to be trained, is obtained described First risk evaluation model;
The history feature data that presell result is presell failure are input to nervus opticus network model to be trained, are obtained described Second risk evaluation model;
Wherein, the first nerves network model and the nervus opticus network model are BP neural network model, the BP Neural network model includes input layer, hidden layer and output layer.
5. presell methods of risk assessment as claimed in claim 4, which is characterized in that the input layer includes n node, described Hidden layer includes m node, the BP neural network model are as follows:
Wherein, y is the output valve of the output layer, when the characteristic is input to first risk evaluation model, The output valve y of first risk evaluation model is first assessed value, when the characteristic is input to described second When risk evaluation model, the output valve y of second risk evaluation model is second assessed value, tiFor the hidden layer with Connection weight between the output layer,(i=1,2,3...m;It j=1,2,3...n is) described hidden Hide the input of layer, the output of the as described input layer, WijFor the connection weight between the input layer and the hidden layer;f (Si) be the BP neural network model in activation primitive,
6. presell methods of risk assessment as described in claim 1, which is characterized in that described according to first assessed value and institute Stating the step of pending presell movable success rate is calculated in the second assessed value includes:
Obtain corresponding first weight coefficient of first assessed value and corresponding second weight coefficient of second assessed value;And
The product of first assessed value and first weight coefficient is subtracted into second assessed value and second weight The product of coefficient obtains the movable success rate of pending presell.
7. presell methods of risk assessment as claimed in claim 6, which is characterized in that described according to first assessed value and institute After stating the step of pending presell movable success rate is calculated in the second assessed value further include:
Judge whether the movable success rate of pending presell is greater than preset threshold;
When the pending movable success rate of presell is greater than the preset threshold, the first prompt information is exported;And
When the pending movable success rate of presell is not more than the preset threshold, the second prompt information is exported.
8. a kind of presell risk evaluating system, which is characterized in that the system comprises:
First obtains module, is used for history feature data, wherein the history feature data are that trade company has initiated presell behavior And the data with presell result, the presell result include presell success and presell failure;
Model training module, for history feature data corresponding to different presell results to be separately input into neural network mould Type is trained, and corresponds to successful first risk evaluation model of presell and corresponding to the second wind of presell failure to respectively obtain Dangerous assessment models;
Second obtains module, for obtaining a pending movable characteristic of presell, and the characteristic is input to institute It states the first risk evaluation model and obtains the first assessed value, and the characteristic is input to second risk evaluation model and is obtained To the second assessed value;And
Computing module, for the pending presell activity to be calculated according to first assessed value and second assessed value Success rate.
9. a kind of computer installation, the computer installation includes processor and memory, is stored on the memory several Computer program, which is characterized in that such as right is realized when the processor is for executing the computer program stored in memory It is required that described in any one of 1-7 the step of presell methods of risk assessment.
10. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program The step of presell methods of risk assessment as described in any one of claim 1-7 is realized when being executed by processor.
CN201811289813.1A 2018-10-31 2018-10-31 Presell methods of risk assessment, system, computer installation and readable storage medium storing program for executing Pending CN109598410A (en)

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