WO2016155516A1 - 应用数据的生成方法和装置 - Google Patents

应用数据的生成方法和装置 Download PDF

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Publication number
WO2016155516A1
WO2016155516A1 PCT/CN2016/076696 CN2016076696W WO2016155516A1 WO 2016155516 A1 WO2016155516 A1 WO 2016155516A1 CN 2016076696 W CN2016076696 W CN 2016076696W WO 2016155516 A1 WO2016155516 A1 WO 2016155516A1
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application data
random samples
value
random
distribution
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French (fr)
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连博识
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Alibaba Group Holding Ltd
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Alibaba Group Holding Ltd
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    • GPHYSICS
    • G06COMPUTING OR CALCULATING; 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
    • G06Q30/00Commerce
    • G06Q30/02Marketing; Price estimation or determination; Fundraising

Definitions

  • the present application relates to the field of computer applications, and in particular, to a method and apparatus for generating application data.
  • the application first generates a plurality of application data, and each application data has its own value, and then distributes the generated plurality of application data to a plurality of different users.
  • One of the distribution methods is that the user of the application first sets the total number of application data to be distributed and the total value on the application, but does not set a specific value of each application data.
  • the value of each application data is randomly generated by the application, and the size of the value is uncertain.
  • the application data that can receive the value is completely unknown. It may be a large-value application data, or it may be a small-value application data.
  • electronic gifts include but are not limited to electronic red envelopes.
  • electronic gifts include but are not limited to electronic red envelopes.
  • an operator of an e-commerce website will add an electronic red envelope distribution function to its APP, through which an operator of an e-commerce website can distribute an electronic red envelope to its users, or a user of an e-commerce website can pass the function.
  • the user who distributes the electronic red envelope only sets the total number of electronic red envelopes and the total amount, but does not set the specificity of each electronic red envelope.
  • the amount, and the amount of each electronic red envelope that is ultimately generated is also different.
  • the amount of electronic red packets that can be received is completely unknown. It may be a large amount of red packets or a small amount of red packets.
  • the inventor of the present application finds that at least the following problems exist in the prior art: when the application generates a plurality of application data, the value of the application data is randomly generated, which may generate a large value.
  • the application data and the application data with a small number of values may also generate a plurality of application data with a relatively average value. That is to say, the value of the application data may be very uneven or it may be very uniform. That is, the uniformity of the value of the application data is not controllable.
  • the application data generated by using this random method is likely not the application data that it desires to generate.
  • the embodiment of the present application provides a method and a device for generating application data, so as to solve the problem that the requirement of the operator of the e-commerce website cannot be met due to uncontrollable uniformity of the value of the application data in the prior art. .
  • a method for generating application data including:
  • N the total number of expected application data
  • M the expectation.
  • the total value of the application data, the average value of the positive distribution is M/N.
  • the finally selected N random samples are random samples whose values meet the minimum lower limit value and the maximum upper limit value.
  • the N random samples are selected in the order of selecting from the two ends of the distribution to the center, so that the sum of the values of the selected N random samples is the total value of the application data expected by the user, including:
  • N-1 random samples are selected in order from the two ends of the distribution of the positive distribution to the center, and the values of the selected N-1 random samples meet the minimum lower limit value and the maximum upper limit value, so that the user desires The difference between the total value of the application data and the sum of the values of the selected N-1 random samples meets the minimum lower limit value and the maximum upper limit value;
  • the last random sample is selected, and the value of the last random sample is the difference between the total value of the application data desired by the user and the sum of the values of the selected N-1 random samples.
  • the generating a set of random samples conforming to the positive distribution includes:
  • the method further includes:
  • one unallocated application data is randomly selected from the generated N application data and allocated.
  • An application data generating device includes:
  • a sample generating unit configured to generate a set of random samples that conform to a positive distribution
  • a sample selection unit configured to select N random samples in order of selecting from both ends of the distribution of the positive distribution to the center, so that the sum of the values of the finally selected N random samples is M;
  • An electronic gift generating unit configured to generate N application data by using the value of the selected N random samples as the amount of the application data
  • N the total number of expected application data
  • M the expectation.
  • the total value of the application data, the average value of the positive distribution is M/N.
  • the finally selected N random samples are random samples whose values meet the minimum lower limit value and the maximum upper limit value.
  • the sample selection unit comprises:
  • a first selecting subunit configured to select N-1 random samples in order from the two ends of the distribution of the positive distribution to the center, and the values of the selected N-1 random samples meet the minimum lower limit and the maximum a limit value such that a difference between a total value of application data desired by the user and a sum of numerical values of the selected N-1 random samples conforms to the minimum lower limit value and the maximum upper limit value;
  • a second selection subunit configured to select a last random sample, where the value of the last random sample is a difference between a total value of the application data expected by the user and a sum of values of the selected N-1 random samples.
  • the sample generating unit comprises:
  • a random number generating subunit for generating a set of random numbers
  • a transform subunit is configured to transform the set of random numbers into a set of random samples that conform to a positive distribution.
  • the device further comprises:
  • the application data distribution unit is configured to randomly select and allocate an unallocated application data from the generated N application data in response to the request for receiving the application data.
  • a set of random samples conforming to the positive distribution is constructed. According to the distribution characteristics of the random samples in the distribution of positive and too, random samples are selected in order from the two ends of the distribution of the positive distribution to the center, and the values of the selected random samples are The value of the application data.
  • the value of the application data is determined in such a manner, the number of generated random samples can be used to control the uniformity of the values of the application data. Among them, the fewer the number of random samples generated, the smaller the numerical difference of the selected random samples, and the more uniform the value of the applied data, and finally it is likely to produce application data with relatively close values.
  • FIG. 1 schematically illustrates an exemplary application scenario in which embodiments of the present application may be implemented
  • FIG. 2 is a flow chart schematically showing a method for generating application data according to an embodiment of the present application
  • FIG. 3 schematically illustrates generating a random sample that conforms to a positive distribution according to an embodiment of the present application. Flow chart of the method
  • FIG. 4 is a schematic diagram showing a distribution of a set of random samples in a positive distribution according to an embodiment of the present application
  • FIG. 5 is a schematic diagram showing a distribution of another set of random samples in a positive distribution according to an embodiment of the present application.
  • FIG. 6 schematically shows a schematic diagram of a positive distribution curve according to an embodiment of the present application
  • FIG. 7 schematically shows a schematic diagram of another positive distribution curve according to an embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of an apparatus for generating application data according to an embodiment of the present application.
  • FIG. 9 is a block diagram showing the structure of another apparatus for generating application data according to an embodiment of the present application.
  • Fig. 1 schematically illustrates an exemplary application scenario in which embodiments of the present application may be implemented.
  • the user A and the user B respectively install the client of the application APP (ie, the client 10 and the client 20) on the respective electronic devices, and the application APP integrates the function of realizing the red envelope distribution and collection, and the user
  • the client account of A is bound to the bank card account of user A.
  • the user A wants to distribute the electronic red envelope to the plurality of friends including the user B through the client 10
  • the user A opens the client 10, and specifies the total number of electronic red packets and the total amount in the client 10, the client.
  • the server 10 sends a red packet generation request 11 to the server 30 of the application APP, where the request 11 carries the total number of electronic red packets specified by the user and the total amount.
  • the server 30 sends a transfer request 31 to the bank's server 40 (the server 40 is the server to which the user's bank card account belongs), in which the user's bank card account and the transfer amount (ie, the electronic red envelope) are carried in the request 31.
  • the total amount the server 40 transfers the transfer funds from the bank card account of the user A to the third party payment platform supported by the server 40 according to the request 31, and returns a transfer response 41 to the server 30, and in the response 41 indicates that the transfer is successful.
  • the server 30 generates a set of electronic red packets according to the total number of electronic red packets specified by the user and the total amount, and generates a red envelope identifier X for the set of electronic red packets, and finally returns a red envelope generating response 32 carrying the red envelope identifier X to the client 10.
  • User A notifies user B of red envelope ID X
  • user B opens client 20, and enters red envelope identifier X in client 20 (the red envelope identifier X is one) Group number) or click on the red envelope identifier X (the red envelope identifier X is a link)
  • the client 20 will send a red envelope collection request 21 to the server 30, in which the red envelope identifier X is carried, in response, the server 30 receives the red envelope
  • An electronic red envelope is randomly selected from a group of electronic red packets indicated by the identifier X, and a red packet receiving response 32 is returned to the client 20, and the response 32 carries the amount of the electronic red envelope selected for the user B.
  • the electronic device can be a PC or a mobile device, such as a mobile phone or a tablet.
  • Servers 30 and 40 may be web servers or other types of servers, such as an APP server.
  • APP server a server that provides web services to the electronic device.
  • FIG. 1 is merely one example in which embodiments of the present application may be implemented.
  • the scope of application of the embodiments of the present application is not limited by any aspect of the framework.
  • the electronic red envelope distribution and collection function can also be implemented through a separate application APP.
  • the above method is applicable to other electronic gifts distributed and received through Internet technology, in addition to being applicable to electronic red packets.
  • FIG. 2 is a flow chart schematically showing a method for generating application data according to an embodiment of the present application.
  • the method may be performed by the server 30, and the method includes the following steps, for example:
  • Step 201 Generate a set of random samples that match the distribution of positive and too.
  • the above step 201 may include:
  • Step 2011 generate a set of random numbers
  • Step 2012 Transform the set of random numbers into a set of random samples that conform to the positive distribution.
  • a random number generation method may be used to generate a set of random numbers, and then the random number of the set may be transformed into a set of random samples conforming to the standard positive distribution by using any one of the positive distribution transformation methods.
  • a common Box-Muller transform can be used to transform a set of random numbers between 0 and 1 into a set of random samples that match the positive distribution.
  • a set of random numbers between 0 and 1 or, after generating a set of random numbers, convert the set of random numbers to values between 0 and 1.
  • a larger number of random samples conforming to the standard positive distribution can be obtained.
  • a random sample conforming to the positive distribution N( ⁇ , ⁇ ) can be obtained by ⁇ + ⁇ z processing, where z is a random sample of the standard positive distribution N(0,1). .
  • the average value of the positive distribution N( ⁇ , ⁇ ) ⁇ M/N
  • M is the total value of the desired application data
  • N is the total number of desired application data
  • Step 202 Select N random samples in order from the two ends of the distribution of the positive distribution to the center, so that the sum of the values of the finally selected N random samples is M.
  • Step 203 Generate N application data by using the value of the selected N random samples as the value of the application data.
  • N is the total number of expected application data. M is the total value of the expected application data, and the average value of the positive distribution is M/N.
  • the value of the selected random sample is used as the value of the applied data, the value of the applied data is more uniform. That is, it is likely that an application with a relatively close value will eventually be produced. Therefore, in the present application, the uniformity of the numerical values of the application data is controlled by the number of generated random samples.
  • the application data may be any type of electronic gift that can be transmitted through the Internet, and the value of the application data is the amount of the electronic gift.
  • the application data can be an electronic red envelope.
  • the uniformity of the values of the application data can also be controlled by adjusting the ⁇ value.
  • the ⁇ value when the number of generated random samples is fixed, the larger the ⁇ is, the more dispersed the positive distribution is.
  • the final selection is performed.
  • the ⁇ value is set to a fixed value, and the number of generated random samples is used to control the uniformity of the values of the application data.
  • the number of generated random samples can be represented by N ⁇ sc+1, where N is the total number of desired application data.
  • N is the total number of desired application data.
  • the number of generated random samples is determined by the size of sc. The larger sc is, the more random samples are generated. Conversely, the smaller the sc, the generated random samples. The fewer the number. In a specific application, the number of generated random samples can be controlled by adjusting the size of the sc.
  • the present application does not limit which random samples are specifically selected, and the sum of the values of the finally selected N random samples is the expected application data.
  • the total value is OK.
  • the random samples 1 and 2 on the left and right boundaries in the positive and too distributed distributions may be selected first, and the currently selected random samples 1 and 2 are determined. Whether the sum of the values exceeds the total value of the expected application data, if not exceeded, continue to select the random samples 3 and 4 closest to the random samples 1 and 2, and determine the sum of the values of the currently selected random samples 1, 2, 3, and 4. Whether the total value of the expected application data is exceeded, if it is still not exceeded, continue to select the random samples 5 and 6 closest to the random samples 3 and 4, and judge the currently selected random samples 1, 2, 3, 4, 5, and 6. Whether the sum of the values exceeds the total value of the expected application data.
  • the random sample 6 is discarded first, and the random sample 7 (or random sample 8) is selected, and the currently selected random samples 1, 2, 3, 4 are determined. Whether the sum of the values of 5, 7 and 7 (or random sample 8) exceeds the total value of the expected application data, if not exceeded, and the sum of the values of random samples 1, 2, 3, 4, 5, and 7 is exactly equal to the expected Total value of the application data, select stopped.
  • the value of each application data may be desirable to limit the value of each application data to a particular range of values without exceeding the range. Therefore, in a preferred embodiment of the present application, when the value of the application data has a minimum lower limit value and a maximum upper limit value, the finally selected N random samples are random values whose values meet the minimum lower limit value and the maximum upper limit value. sample.
  • the two ends of the positive distribution may be selected to the center.
  • the sequence of N-1 random samples is selected, and the values of the selected N-1 random samples meet the minimum lower limit value and the maximum upper limit value, so that the total value of the desired application data and the selected N-1 numbers are selected.
  • the method further includes: randomly selecting an unallocated application data from the generated N application data in response to the request for receiving the application data. Line assignment.
  • a set of random samples conforming to the positive distribution is constructed. According to the distribution characteristics of the random samples in the distribution of positive and too, random samples are selected in order from the two ends of the distribution of the positive distribution to the center, and the values of the selected random samples are The value of the applied data.
  • the value of the application data is determined in such a manner, the number of generated random samples can be used to control the uniformity of the values of the application data. Therefore, the controllability of the uniformity of the numerical values of the application data is achieved, thereby solving the problem that the prior art cannot meet the requirements of the operator of the e-commerce website due to the uncontrollable uniformity of the numerical values of the application data. problem.
  • FIG. 8 is a schematic structural diagram of an apparatus for generating application data according to an embodiment of the present application.
  • the apparatus includes a sample generating unit 801, a sample selecting unit 802, and an application data generating unit 803.
  • the internal structure and connection relationship will be further described below in conjunction with the working principle of the device.
  • a sample generating unit 801 configured to generate a set of random samples that conform to a positive distribution
  • the sample selecting unit 802 is configured to select N random samples in order of selecting from both ends of the positive distribution to the center, so that the sum of the values of the finally selected N random samples is M;
  • the application data generating unit 803 is configured to generate N application data by using the value of the selected N random samples as the value of the application data;
  • N the total number of expected application data
  • M the expectation.
  • the total value of the application data, the average value of the positive distribution is M/N.
  • the finally selected N random samples are in accordance with the minimum lower limit value and the maximum value.
  • a random sample of the limits
  • the sample selection unit 802 includes:
  • a first selecting subunit configured to select N-1 random samples in order from the two ends of the distribution of the positive distribution to the center, and the values of the selected N-1 random samples meet the minimum lower limit and the maximum a limit value such that a difference between a total value of application data desired by the user and a sum of numerical values of the selected N-1 random samples conforms to the minimum lower limit value and the maximum upper limit value;
  • a second selection subunit configured to select a last random sample, where the value of the last random sample is a difference between a total value of the application data expected by the user and a sum of values of the selected N-1 random samples.
  • the sample generating unit 801 includes:
  • a random number generating subunit for generating a set of random numbers
  • a transform subunit is configured to transform the set of random numbers into a set of random samples that conform to a positive distribution.
  • the apparatus further includes:
  • the application data distribution unit 804 is configured to randomly select and allocate an unallocated application data from the generated N application data in response to the request for receiving the application data.
  • a set of random samples conforming to the positive distribution is constructed. According to the distribution characteristics of the random samples in the distribution of positive and too, random samples are selected in order from the two ends of the distribution of the positive distribution to the center, and the values of the selected random samples are The value of the application data.
  • the value of the application data is determined in such a manner, the number of generated random samples can be used to control the uniformity of the values of the application data. Therefore, the controllability of the uniformity of the numerical values of the application data is realized, thereby solving the problem that the prior art cannot meet the requirements of the operator of the e-commerce website due to the uncontrollable uniformity of the numerical values of the application data. .
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiment described above is only Illustratively, for example, the division of the unit is only a logical function division, and the actual implementation may have another division manner, for example, multiple units or components may be combined or may be integrated into another system, or some features may be Ignore, or not execute.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may be or may be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware and can be implemented in the form of a software functional unit.
  • the storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), or a random access memory (RAM).

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Abstract

一种应用数据的生成方法及装置,该方法包括:生成一组符合正态分布的随机样本(201);按照从正态分布的两端向中心进行选取的顺序,选取N个随机样本,以使得最终选取的N个随机样本的数值总和为M,N为期望的应用数据的总个数,M为期望的应用数据的总数值,正态分布的平均值为M/N(202);以选取的N个随机样本的数值为应用数据的数值,生成N个应用数据,其中,生成的随机样本的个数越少,应用数据的数值越均匀,生成的随机样本的个数越多,应用数据的数值越参差(203)。解决现有技术中由于应用数据的数值的不可控性而导致的用户使用体验降低的问题。

Description

应用数据的生成方法和装置 技术领域
本申请涉及计算机应用领域,特别是涉及应用数据的生成方法和装置。
背景技术
目前,在互联网的各种应用产品中存在这样一种新型的应用。该应用先产生多个应用数据,并且,每一个应用数据都具有各自的数值,然后再将产生的多个应用数据派发给多个不同的用户使用。
其中一种派发方式是,该应用的用户先在该应用上设定需要派发的应用数据的总个数以及总数值,但并不设定每一个应用数据的具体数值。在生成应用数据时,各个应用数据的数值都是该应用随机生成的,数值的大小是不确定的。对于领取应用数据的用户来说,其能领取到多少数值的应用数据完全是未知的,可能是一个大数值的应用数据,也有可能是一个小数值的应用数据。
该应用的一种具体表现形式就是用于派发电子礼品的APP。其中,电子礼品包括但不限于电子红包。例如,电子商务网站的运营商会在其APP中增加电子红包的派发功能,通过该功能,电子商务网站的运营商可以向其用户派发电子红包,或者,电子商务网站的用户之间可以通过该功能互相派发电子红包。
以电子红包为例,在其中一种电子红包派发方式中,正如前面描述的,派发电子红包的用户只设定电子红包的总个数以及总金额,但并不设定每一个电子红包的具体金额,而最终生成的每一个电子红包的金额也都是不同的。对于领取电子红包的各个用户来说,其能领取到多少金额的电子红包完全是未知的,可能是一个大金额的红包,也可能是一个小金额的红包。
在实现本申请的过程中,本申请的发明人发现现有技术中至少存在如下问题:当该应用生成多个应用数据时,应用数据的数值是随机生成的,其可能会生成一个数值很大的应用数据以及多个数值很小的应用数据,也有可能会生成多个数值比较平均的应用数据。也就是说,应用数据的数值有可能是非常不均匀的,也有可能是非常均匀的。即,应用数据的数值的均匀度是不 可控制的。但是,对于开发该应用功能的电子商务网站的运营商来说,利用这种随机方式生成的应用数据很有可能不是其所希望生成的应用数据。例如,其希望生成一组数值均匀度比较小的应用个数据,但实际生成的是一组数值均匀度比较大的应用数据;或者,其希望生成一组数值均匀度比较大的应用数据,但实际生成的是一组数值均匀度比较小的应用数据。
发明内容
为了解决上述技术问题,本申请实施例提供了应用数据的生成方法和装置,以解决现有技术中由于应用数据的数值的均匀度不可控导致的无法满足电子商务网站的运行商的需求的问题。
本申请实施例公开了如下技术方案:
一种应用数据的生成方法,包括:
生成一组符合正太分布的随机样本;
按照从正太分布的两端向中心进行选取的顺序,选取N个随机样本,以使得最终选取的N个随机样本的数值总和为M;
以选取的N个随机样本的数值为应用数据的数值,生成N个应用数据;
其中,生成的随机样本的个数越少,应用数据的数值越均匀,生成的随机样本的个数越多,应用数据的数值越参差,N为期望的应用数据的总个数,M为期望的应用数据的总数值,正太分布的平均值为M/N。
优选的,当所述应用数据的数值具有最小下限值和最大上限值时,所述最终选取的N个随机样本为数值符合所述最小下限值和最大上限值的随机样本。
优选的,所述按照从正太分布的两端向中心进行选取的顺序,选取N个随机样本,以使得选取的N个随机样本的数值总和为用户期望的应用数据的总数值,包括:
按照从正太分布的两端向中心进行选取的顺序选取N-1个随机样本,且选取的N-1个随机样本的数值符合所述最小下限值和最大上限值,以使得用户期望的应用数据的总数值与选取的N-1个随机样本的数值总和之间的差值符合所述最小下限值和最大上限值;
选取最后一个随机样本,所述最后一个随机样本的数值为用户期望的应用数据的总数值与选取的N-1个随机样本的数值总和之间的差值。
优选的,所述生成一组符合正太分布的随机样本,包括:
生成一组随机数;
将所述一组随机数变换为一组符合正太分布的随机样本。
优选的,所述方法还包括:
响应于领取应用数据的请求,从生成的N个应用数据中随机选取一个未分配的应用数据并进行分配。
一种应用数据的生成装置,包括:
样本生成单元,用于生成一组符合正太分布的随机样本;
样本选取单元,用于按照从正太分布的两端向中心进行选取的顺序,选取N个随机样本,以使得最终选取的N个随机样本的数值总和为M;
电子礼品生成单元,用于以选取的N个随机样本的数值为应用数据的金额,生成N个应用数据;
其中,生成的随机样本的个数越少,应用数据的数值越均匀,生成的随机样本的个数越多,应用数据的数值越参差,N为期望的应用数据的总个数,M为期望的应用数据的总数值,正太分布的平均值为M/N。
优选的,当所述应用数据的数值具有最小下限值和最大上限值时,所述最终选取的N个随机样本为数值符合所述最小下限值和最大上限值的随机样本。
优选的,所述样本选取单元包括:
第一选取子单元,用于按照从正太分布的两端向中心进行选取的顺序选取N-1个随机样本,且选取的N-1个随机样本的数值符合所述最小下限值和最大上限值,以使得用户期望的应用数据的总数值与选取的N-1个随机样本的数值总和之间的差值符合所述最小下限值和最大上限值;
第二选取子单元,用于选取最后一个随机样本,所述最后一个随机样本的数值为用户期望的应用数据的总数值与选取的N-1个随机样本的数值总和之间的差值。
优选的,所述样本生成单元包括:
随机数生成子单元,用于生成一组随机数;
变换子单元,用于将所述一组随机数变换为一组符合正太分布的随机样本。
优选的,所述装置还包括:
应用数据分配单元,用于响应于领取应用数据的请求,从生成的N个应用数据中随机选取一个未分配的应用数据并进行分配。
由上述实施例可以看出,与现有技术相比,本申请的优点在于:
在本申请中,构建一组符合正太分布的随机样本,根据随机样本在正太分布中的分布特征,按照从正太分布的两端向中心的顺序选取随机样本,并以选取的随机样本的数值为应用数据的数值。而当通过这样的方式确定应用数据的数值时,就可以利用生成的随机样本的个数来控制应用数据的数值的均匀度。其中,生成的随机样本的个数越少,选取到的随机样本的数值差异性越小,而应用数据的数值也就越均匀,最终很可能产生数值比较接近的应用数据。反之,生成的随机样本的个数越多,选取到的随机样本的数值差异性越大,而应用数据的数值也就越参差,最终很可能产生数值非常大以及数值非常小的应用数据。因此,实现了应用数据的数值的均匀度的可控性,从而也就解决了现有技术中由于应用数据的数值的均匀度不可控所导致的无法满足电子商务网站的运行商的需求的问题。
附图说明
为了更清楚地说明本申请实施例或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本申请的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动性的前提下,还可以根据这些附图获得其他的附图。
图1示意性地示出了本申请的实施方式可以在其中实施的示例性应用场景;
图2示意性地示出了根据本申请实施例的一种应用数据的生成方法的流程图;
图3示意性地示出了根据本申请实施例的生成符合正太分布的随机样本 的方法的流程图;
图4示意性地示出了根据本申请实施例的一组随机样本在正太分布中的分布示意图;
图5示意性地示出了根据本申请实施例的另一组随机样本在正太分布中的分布示意图;
图6示意性地示出了根据本申请实施例的一种正太分布曲线的示意图;
图7示意性地示出了根据本申请实施例的另一种正太分布曲线的示意图;
图8示意性地示出了根据本申请实施例的一种应用数据的生成装置的结构框架图;
图9示意性示出了根据本申请实施例的另一种应用数据的生成装置的结构框架图。
具体实施方式
首先参考图1,图1示意性地示出了本申请的实施方式可以在其中实施的示例性应用场景。其中,用户A和用户B分别在其各自的电子设备上安装了应用APP的客户端(即客户端10和客户端20),该应用APP中集成了实现电子红包派发和领取功能,并且,用户A的客户端账户与用户A的银行卡账户绑定。当用户A想要通过客户端10向包括用户B在内的多位好友派发电子红包时,用户A打开客户端10,并在客户端10中指定电子红包的总个数以及总金额,客户端10向应用APP的服务器30发送红包生成请求11,在该请求11中携带有用户指定的电子红包的总个数以及总金额。作为响应,服务器30向银行的服务器40(服务器40是用户A的银行卡账户所属的服务器)发送转账请求31,在该请求31中携带有用户A的银行卡账户以及转账金额(即,电子红包的总金额),服务器40根据请求31将转账资金从用户A的银行卡账户转入服务器40支持的第三方支付平台,并向服务器30返回转账响应41,并在该响应41中指示转账成功。服务器30按照用户指定的电子红包的总个数以及总金额生成一组电子红包,并为该组电子红包生成一个红包标识X,最后向客户端10返回携带红包标识X的红包生成响应32。用户A将红包标识X通知给用户B,用户B打开客户端20,并在客户端20中输入红包标识X(该红包标识X为一 组数字编号)或者点击红包标识X(该红包标识X为一个链接),客户端20将向服务器30发送红包领取请求21,在该请求21中携带有红包标识X,作为响应,服务器30从红包标识X所指示的一组电子红包中随机选取一个电子红包,并向客户端20返回红包领取响应32,在该响应32中携带有为用户B选取的电子红包的金额。电子设备可以是PC机,也可以是移动设备,例如,手机或平板电脑等。服务器30和40可以是Web服务器,也可以是其他类型的服务器,例如APP服务器。本领域技术人员可以理解,图1所示的示意图仅是本申请的实施方式可以在其中得以实现的一个示例。本申请实施方式的应用范围不受到该框架任何方面的限制。例如,除了可以在已有的应用APP中集成电子红包派发和领取功能之外,也可以通过单独的应用APP实现电子红包派发和领取功能。另外,上述方法除了可以适用于电子红包之外,也同样适用于通过互联网技术派发和领取的其它电子礼品。
为使本申请的上述目的、特征和优点能够更加明显易懂,下面结合附图对本申请实施例进行详细描述。
方法实施例
请参阅图2,图2示意性地示出了根据本申请实施例的一种应用数据的生成方法的流程图,例如,该方法可以由服务器30执行,该方法例如包括以下步骤:
步骤201:生成一组符合正太分布的随机样本。
在本申请中,如图3所示,上述步骤201可以包括:
步骤2011:生成一组随机数;
步骤2012:将所述一组随机数变换为一组符合正太分布的随机样本。
其中,可以采用任意一种随机数生成方式生成一组随机数,然后可以采用任意一种正太分布变换方法将该组随机数变换为一组符合标准正太分布的随机样本。
例如,可以运用常用的Box-Muller变换将一组位于0和1之间的随机数变换为一组符合正太分布的随机样本。当然,针对Box-Muller变换,需要生 成一组位于0和1之间的随机数,或者,在生成一组随机数后,将该组随机数转换为0和1之间的值。
其中,在Box-Muller变换中,假设以生成了10个位于0和1之间的随机数:
x1、x2、x3、x4、x5
y1、y2、y3、y4、y5
则计算:
Figure PCTCN2016076696-appb-000001
Figure PCTCN2016076696-appb-000002
Figure PCTCN2016076696-appb-000003
Figure PCTCN2016076696-appb-000004
Figure PCTCN2016076696-appb-000005
Figure PCTCN2016076696-appb-000006
Figure PCTCN2016076696-appb-000007
Figure PCTCN2016076696-appb-000008
Figure PCTCN2016076696-appb-000009
Figure PCTCN2016076696-appb-000010
而z1..z10即为10个服从标准正太分布N(0,1)的随机样本。
当然,通过上述方式,还可以获得更多数量的符合标准正太分布的随机样本。在获得符合标准正太分布的随机样本之后,通过μ+σ×z处理即可获得符合正太分布N(μ,σ)的随机样本,其中,z为标准正太分布N(0,1)的随机样本。
在本申请中,正太分布N(μ,σ)的平均值μ=M/N,M为期望的应用数据的总数值,N为期望的应用数据的总个数。
步骤202:按照从正太分布的两端向中心进行选取的顺序,选取N个随机样本,以使得最终选取的N个随机样本的数值总和为M。
步骤203;以选取的N个随机样本的数值为应用数据的数值,生成N个应用数据。
其中,生成的随机样本的个数越少,应用数据的数值越均匀,生成的随机样本的个数越多,应用数据的数值越参差,N为期望的应用数据的总个数, M为期望的应用数据的总数值,正太分布的平均值为M/N。
可以理解的,在本申请中,当正太分布的μ和σ固定不变时,生成的随机样本的个数越多,如果是从正太分布的两端向中心选取随机样本,最终选取到的随机样本很可能比较集中在正太分布曲线的两端,如图4所示。可见,生成的随机样本的个数越多,选取到的随机样本的数值可能差异性越大,当将选取到的随机样本的数值作为应用数据的数值时,应用数据的数值也就越参差,即,最终很可能产生数据非常大以及数值非常小的应用。相反,生成的随机样本的个数越少,如果是从正太分布的两端向中心选取随机样本,最终选取到的随机样本很可能均匀地分布在整个正太分布曲线上,如图5所示。可见,生成的随机样本的个数越少,选取到的随机样本的数值可能差异性越小,当将选取到的随机样本的数值作为应用数据的数值时,应用数据的数值也就越均匀,即,最终很可能产生数值比较接近的应用。因此,在本申请中,是利用生成的随机样本的个数来控制应用数据的数值的均匀度的。
其中,应用数据可以为任意一种形式的、可通过互联网传输的电子礼品,应用数据的数值即为电子礼品的金额。例如,应用数据可以为电子红包。
需要说明的是,也可以通过调整σ值来控制应用数据的数值的均匀度。其中,当生成的随机样本的个数固定不变时,σ越大,正太分布越分散,如图6所示,在从正太分布的两端向中心选取随机样本的情况下,最终选取到的随机样本的数值差异性越大,即,应用个数据的数值越参差;σ越小,正太分布越集中,如图7所示,在从正太分布的两端向中心选取随机样本的情况下,最终选取到的随机样本的数值差异性越小,即,应用数据的数值越均匀。
但是,考虑到如果σ值控制不好,会导致很难甚至无法选取出数值总和可以达到期望的应用数据的总数值的随机样本。因此,在本申请中,将σ值设定为一个固定值,而是利用生成的随机样本的个数来控制应用数据的数值的均匀度。而本申请也并不限定σ的具体数值,只要将其设定为一个固定值即可。例如,σ=0.1。
另外,在本申请中,可以利用N×sc+1表示生成的随机样本的个数,其中,N为期望的应用数据的总个数。显然,生成的随机样本的个数由sc的大小决定,sc越大,生成的随机样本的个数越多,反之,sc越小,生成的随机样本 的个数越少。具体应用中,可以通过调节sc的大小来控制生成的随机样本的个数。
此外,当按照从正太分布的两端向中心的顺序选取随机样本时,本申请也并不限定具体选取到哪几个随机样本,最终选取的N个随机样本的数值总和为期望的应用数据的总数值即可。
例如,为了方便描述,假设需要选取出6个随机样本,如图4所示,可以先选取正太分布中左右两个边界上的随机样本1和2,并判断目前选取的随机样本1和2的数值总和是否超出期望的应用数据的总数值,如果没有超出,继续选取与随机样本1和2最邻近的随机样本3和4,并判断目前选取的随机样本1、2、3和4的数值总和是否超出期望的应用数据的总数值,如果仍然没有超出,继续选取与随机样本3和4最邻近的随机样本5和6,并判断目前选取的随机样本1、2、3、4、5和6的数值总和是否超出期望的应用数据的总数值,如果超出,则先丢弃掉随机样本6,而选取随机样本7(或者随机样本8),并判断目前选取的随机样本1、2、3、4、5和7(或者随机样本8)的数值总和是否超出期望的应用数据的总数值,如果没有超出,并且随机样本1、2、3、4、5和7的数值总和刚好等于期望的应用数据的总数值,停止选取。
此外,考虑到有可能希望将每一个应用数据的数值限定在特定的数值范围之内,而不能超出该范围。因此,在本申请的一个优选实施方式中,当应用数据的数值具有最小下限值和最大上限值时,最终选取的N个随机样本为数值符合最小下限值和最大上限值的随机样本。
为了更好地保证选取的N个随机样本为数值符合最小下限值和最大上限值的随机样本,在本申请的一个优选实施方式中,可以先按照从正太分布的两端向中心进行选取的顺序选取N-1个随机样本,且选取的N-1个随机样本的数值符合所述最小下限值和最大上限值,以使得期望的应用数据的总数值与选取的N-1个随机样本的数值总和之间的差值符合所述最小下限值和最大上限值;然后选取最后一个随机样本,最后一个随机样本的数值为期望的应用数据的总数值与选取的N-1个随机样本的数值总和之间的差值。
在本申请的另一个优选实施方式中,上述方法还包括:响应于领取应用数据的请求,从生成的N个应用数据中随机选取一个未分配的应用数据并进 行分配。
可以理解的,由于每一个应用数据只能被分配一次,因此,一旦某一个应用数据已经被分配过,就不能再进行重复分配。
由上述实施例可以看出,与现有技术相比,本申请的优点在于:
在本申请中,构建一组符合正太分布的随机样本,根据随机样本在正太分布中的分布特征,按照从正太分布的两端向中心的顺序选取随机样本,并以选取的随机样本的数值为应用个数据的数值。而当通过这样的方式确定应用数据的数值时,就可以利用生成的随机样本的个数来控制应用数据的数值的均匀度。因此,实现了应用数据的数值的均匀度的可控性,从而也就解决了现有技术中由于应用数据的数值的均匀度不可控所导致的无法满足开电子商务网站的运行商的需求的问题。
装置实施例
与上述应用数据的生成方法相对应,本申请实施例还提供了应用数据的生成装置。请参阅图8,图8示意性地示出了根据本申请实施例的一种应用数据的生成装置的结构框架图,该装置包括样本生成单元801、样本选取单元802和应用数据生成单元803。下面结合该装置的工作原理进一步介绍其内部结构以及连接关系。
样本生成单元801,用于生成一组符合正太分布的随机样本;
样本选取单元802,用于按照从正太分布的两端向中心进行选取的顺序,选取N个随机样本,以使得最终选取的N个随机样本的数值总和为M;
应用数据生成单元803,用于以选取的N个随机样本的数值为应用数据的数值,生成N个应用数据;
其中,生成的随机样本的个数越少,应用数据的数值越均匀,生成的随机样本的个数越多,应用数据的数值越参差,N为期望的应用数据的总个数,M为期望的应用数据的总数值,正太分布的平均值为M/N。
在本申请的一个优选实施方式中,当所述应用数据的数值具有最小下限值和最大上限值时,所述最终选取的N个随机样本为数值符合所述最小下限值和最大上限值的随机样本。
在本申请的另一个优选实施方式中,样本选取单元802包括:
第一选取子单元,用于按照从正太分布的两端向中心进行选取的顺序选取N-1个随机样本,且选取的N-1个随机样本的数值符合所述最小下限值和最大上限值,以使得用户期望的应用个数据的总数值与选取的N-1个随机样本的数值总和之间的差值符合所述最小下限值和最大上限值;
第二选取子单元,用于选取最后一个随机样本,所述最后一个随机样本的数值为用户期望的应用数据的总数值与选取的N-1个随机样本的数值总和之间的差值。
在本申请的另一个优选实施方式中,样本生成单元801包括:
随机数生成子单元,用于生成一组随机数;
变换子单元,用于将所述一组随机数变换为一组符合正太分布的随机样本。
在本申请的另一个优选实施方式中,如图9所示,该装置还包括:
应用数据分配单元804,用于响应于领取应用数据的请求,从生成的N个应用数据中随机选取一个未分配的应用数据并进行分配。
由上述实施例可以看出,与现有技术相比,本申请的优点在于:
在本申请中,构建一组符合正太分布的随机样本,根据随机样本在正太分布中的分布特征,按照从正太分布的两端向中心的顺序选取随机样本,并以选取的随机样本的数值为应用数据的数值。而当通过这样的方式确定应用数据的数值时,就可以利用生成的随机样本的个数来控制应用数据的数值的均匀度。因此,实现了应用数据的数值的均匀度的可控性,从而也就解决了现有技术中由于应用数据的数值的均匀度不可控所导致的无法满足电子商务网站的运行商的需求的问题。
所述领域的技术人员可以清楚地了解到,为了描述的方便和简洁,上述描述的系统、装置和单元的具体工作过程,可以参考前述方法实施例中的对应过程,在此不再赘述。
在本申请所提供的几个实施例中,应该理解到,所揭露的系统、装置和方法,可以通过其它的方式实现。例如,以上所描述到的装置实施例仅仅是 示意性的,例如,所述单元的划分,仅仅为一种逻辑功能划分,实际实现时可以有另外的划分方式,例如多个单元或组件可以结合或可以集成到另一个系统,或一些特征可以忽略,或不执行。另一点,所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口,装置或单元的间接耦合或通信连接,可以是电性、机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以是物理上分开的,作为单元显示的部件可以是或者也可以不是物理单元,即可以位于一个地方,或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外,在本申请各个实施例中的各功能单元可以集成在一个处理单元中,也可以是各个单元单独物理存在,也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现,可以采用软件功能单元的形式实现。
需要说明的是,本领域普通技术人员可以理解实现上述实施例方法中的全部或部分流程,是可以通过计算机程序来指令相关的硬件来完成,所述的程序可存储于一计算机可读取存储介质中,该程序在执行时,可包括如上述各方法的实施例的流程。其中,所述的存储介质可为磁碟、光盘、只读存储记忆体(Read-Only Memory,ROM)或随机存储记忆体(Random Access Memory,RAM)等。
以上对本申请所提供的一种应用数据的生成方法和装置进行了详细介绍,本文中应用了具体实施例对本申请的原理及实施方式进行了阐述,以上实施例的说明只是用于帮助理解本申请的方法及其核心思想;同时,对于本领域的一般技术人员,依据本申请的思想,在具体实施方式及应用范围上均会有改变之处,综上所述,本说明书内容不应理解为对本申请的限制。

Claims (10)

  1. 一种应用数据的生成方法,其特征在于,包括:
    生成一组符合正太分布的随机样本;
    按照从正太分布的两端向中心进行选取的顺序,选取N个随机样本,以使得最终选取的N个随机样本的数值总和为M;
    以选取的N个随机样本的数值为应用数据的数值,生成N个应用数据;
    其中,生成的随机样本的个数越少,应用数据的数值越均匀,生成的随机样本的个数越多,应用数据的数值越参差,N为期望的应用数据的总个数,M为期望的应用数据的总数值,正太分布的平均值为M/N。
  2. 根据权利要求1所述的方法,其特征在于,当所述应用数据的数值具有最小下限值和最大上限值时,所述最终选取的N个随机样本为数值符合所述最小下限值和最大上限值的随机样本。
  3. 根据权利要求2所述的方法,其特征在于,所述按照从正太分布的两端向中心进行选取的顺序,选取N个随机样本,以使得选取的N个随机样本的数值总和为用户期望的应用数据的总数值,包括:
    按照从正太分布的两端向中心进行选取的顺序选取N-1个随机样本,且选取的N-1个随机样本的数值符合所述最小下限值和最大上限值,以使得用户期望的应用数据的总数值与选取的N-1个随机样本的数值总和之间的差值符合所述最小下限值和最大上限值;
    选取最后一个随机样本,所述最后一个随机样本的数值为用户期望的应用数据的总数值与选取的N-1个随机样本的数值总和之间的差值。
  4. 根据权利要求1所述的方法,其特征在于,所述生成一组符合正太分布的随机样本,包括:
    生成一组随机数;
    将所述一组随机数变换为一组符合正太分布的随机样本。
  5. 根据权利要求1至4中任意一项所述的方法,其特征在于,所述方法还包括:
    响应于领取应用数据的请求,从生成的N个应用数据中随机选取一个未分配的应用数据并进行分配。
  6. 一种应用数据的生成装置,其特征在于,包括:
    样本生成单元,用于生成一组符合正太分布的随机样本;
    样本选取单元,用于按照从正太分布的两端向中心进行选取的顺序,选取N个随机样本,以使得最终选取的N个随机样本的数值总和为M;
    电子礼品生成单元,用于以选取的N个随机样本的数值为应用数据的金额,生成N个应用数据;
    其中,生成的随机样本的个数越少,应用数据的数值越均匀,生成的随机样本的个数越多,应用数据的数值越参差,N为期望的应用数据的总个数,M为期望的应用数据的总数值,正太分布的平均值为M/N。
  7. 根据权利要求6所述的装置,其特征在于,当所述应用数据的数值具有最小下限值和最大上限值时,所述最终选取的N个随机样本为数值符合所述最小下限值和最大上限值的随机样本。
  8. 根据权利要求7所述的装置,其特征在于,所述样本选取单元包括:
    第一选取子单元,用于按照从正太分布的两端向中心进行选取的顺序选取N-1个随机样本,且选取的N-1个随机样本的数值符合所述最小下限值和最大上限值,以使得用户期望的应用数据的总数值与选取的N-1个随机样本的数值总和之间的差值符合所述最小下限值和最大上限值;
    第二选取子单元,用于选取最后一个随机样本,所述最后一个随机样本的数值为用户期望的应用数据的总数值与选取的N-1个随机样本的数值总和之间的差值。
  9. 根据权利要求6所述的装置,其特征在于,所述样本生成单元包括:
    随机数生成子单元,用于生成一组随机数;
    变换子单元,用于将所述一组随机数变换为一组符合正太分布的随机样本。
  10. 根据权利要求6至9中任意一项所述的装置,其特征在于,所述装置还包括:
    应用数据分配单元,用于响应于领取应用数据的请求,从生成的N个应用数据中随机选取一个未分配的应用数据并进行分配。
PCT/CN2016/076696 2015-04-03 2016-03-18 应用数据的生成方法和装置 Ceased WO2016155516A1 (zh)

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