WO2023035940A1 - Target object recommendation method and system - Google Patents
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Definitions
- the present invention relates to the technical field of big data, in particular to a target object recommendation method and system.
- the contracting service refers to the behavior that the party/contractor completes a certain work for the target party, and the target party pays the agreed remuneration after acceptance.
- the purpose of allocating target objects can be achieved by building an informationized service platform to dispatch orders for contracting objects.
- the target object sends a request on the service platform, how can the platform accurately dispatch the appropriate target object to the warehouse?
- Dealing with the contracted object will be a practical problem, which directly affects the sustainable development of the service platform, for example, the satisfaction degree of the direct target object and the stickiness of the contracted object.
- the purpose of the present invention is to provide a target object recommendation method and system for solving the problem of inaccurate target object recommendation in the prior art.
- an embodiment of the present invention provides a method for recommending a target object, including:
- the feature matrix Inputting the feature matrix into the neural network for classification processing, obtaining classification results, and obtaining a recommendation model by training the neural network, the classification results including classified contract objects and first confidence;
- determining the target object to be assigned to the contract object according to the recommended classification result includes:
- a first threshold is set, and when the first confidence level is greater than or equal to the first threshold, it is determined that the recommendation is valid, and the target object to be assigned is assigned to the contract object.
- a plurality of feature tags are obtained through the target text, including:
- the neural network includes an input layer, a hidden layer and an output layer, and the neural network is trained through a loss function, the loss function includes a first loss function and a second loss function, and the first loss function includes The loss between the processed feature label and the marked feature label, the second loss function includes the loss between the target object to be assigned and the recommended contract object.
- L is a loss function
- L1 is a first loss function
- L2 is a second loss function
- N is the number of processed feature labels
- M is the number of contract labels
- Pie is the probability that the i-th label in the set of processed feature labels matches the e-th label in the set of marked feature labels
- pk is the probability of the target object to be assigned and the recommended contract object.
- determining the target object to be allocated by the contracting object according to the recommended classification result it includes:
- the target object to be allocated is allocated to the contracting object with the highest first confidence level.
- t is the number of rejections of the contracted objects per unit time
- b is the average number of rejections of each of the contracted objects per unit time
- e is the natural logarithm
- a1 is the first degree of confidence
- a2 is the second degree of confidence .
- a target object recommendation system comprising:
- the acquisition module acquires the target text of the target object to be assigned, obtains a plurality of feature tags through the target text, and obtains a feature matrix through a plurality of the feature tags;
- a model module configured to input the feature matrix into the neural network for classification processing, obtain classification results, and obtain a recommendation model by training the neural network, the classification results include classified contract objects and first confidence;
- a processing module configured to input feature matrices corresponding to a plurality of target objects to be allocated into the recommendation model, obtain recommended classification results respectively, and determine that the contracting object will The assigned target object.
- An electronic device comprising:
- One or more machine-readable media having instructions stored thereon, when executed by the one or more processors, causes the electronic device to execute the target object recommendation method.
- a machine-readable medium on which instructions are stored, when executed by one or more processors, causes the device to execute the target object recommendation method.
- FIG. 1 is a schematic diagram of a target object recommendation method according to one embodiment of the present invention.
- FIG. 2 is a schematic diagram of a target object recommendation system according to one embodiment of the present invention.
- the target object sends a demand request to the platform, and the platform recommends the appropriate target object to the specific contracting object according to the characteristics of the contracting object, which not only can meet the needs of the target object, but also the contracting object can obtain the ideal target User, reduce opportunity cost, please refer to Figure 1, the present invention provides a method for recommending target objects, including:
- S1 Obtain the target text of the target object to be assigned, obtain a plurality of feature tags through the target text, and obtain a feature matrix through the plurality of feature tags;
- S2 Input the feature matrix into the neural network for classification processing, obtain the classification result, and obtain the recommendation model by training the neural network, the classification result includes the classified contract object and the first confidence degree, in the classification processing
- the characteristic matrix can be subjected to matrix operation to obtain the corresponding relationship between the characteristic matrix and the contractor;
- S3 Input feature matrices corresponding to multiple target objects to be assigned into the recommendation model, obtain recommended classification results respectively, and determine the target to be assigned by the contracting object according to the recommended classification results Objects, through the classification process of the recommendation model, obtain the classified contract objects and the first confidence degree, select the classified contract objects with higher first confidence degree according to the size of the first confidence degree, and determine the target to be assigned The objects are matched with the classified contracting objects with a higher first degree of confidence and allocated, which improves the accuracy of allocation of potential target objects and improves the satisfaction of contracting services.
- multiple feature tags are obtained through the target text, including:
- the target object to be assigned is assigned to the contract object, which improves the efficiency and accuracy of the recommendation and avoids
- the assigned target object is assigned to the contract object with a lower first confidence level.
- a natural language processing method can be used, for example, to obtain the feature label of the target object to be assigned, including:
- the neural network includes an input layer, a hidden layer, and an output layer, and the neural network is trained through a loss function, and the loss function includes a first loss function and a second loss function, and the first The loss function includes a loss between the processed feature label and the marked feature label, and the second loss function includes a loss between the target object to be assigned and the recommended contract object.
- L is a loss function
- L1 is a first loss function
- L2 is a second loss function
- N is the number of processed feature labels
- M is the number of contract labels
- Pie is the probability that the i-th label in the set of processed feature labels matches the e-th label in the set of marked feature labels
- pk is the probability of the target object to be assigned and the recommended contract object.
- the loss function not only considers the loss between the processed feature label and the marked feature label, but also considers the loss between the target object to be assigned and the recommended contract object, which improves the classification process.
- the ability to change the opportunity to obtain the target objects to be allocated can be set up according to the number or frequency of rejection recommendations, for example, according to the After the classification results after the above recommendations determine the target objects to be assigned by the contract objects, it includes:
- the target object to be allocated is allocated to the contracting object with the highest first confidence level.
- t is the number of rejections of the contracted objects per unit time
- b is the average number of rejections of each of the contracted objects per unit time
- e is the natural logarithm
- a1 is the first degree of confidence
- a2 is the second degree of confidence .
- one of the embodiments of the present invention also provides a target object recommendation system, including:
- An acquisition module that acquires the target text of the target object to be assigned, acquires a plurality of feature tags through the target text, and acquires a feature matrix through a plurality of the feature tags;
- a model module configured to input the feature matrix into the neural network for classification processing, obtain classification results, and obtain a recommendation model by training the neural network, the classification results include classified contract objects and first confidence;
- a processing module configured to input feature matrices corresponding to a plurality of target objects to be allocated into the recommendation model, obtain recommended classification results respectively, and determine that the contracting object will The assigned target object.
- determining the target object to be assigned to the contracted object according to the recommended classification result includes:
- a first threshold is set, and when the first confidence level is greater than or equal to the first threshold, it is determined that the recommendation is valid, and the target object to be assigned is assigned to the contract object.
- the feature label of the target object to be assigned is obtained, including:
- the neural network includes an input layer, a hidden layer and an output layer, and the neural network is trained through a loss function, the loss function includes a first loss function and a second loss function, and the first loss function includes The loss between the processed feature label and the marked feature label, the second loss function includes the loss between the target object to be assigned and the recommended contract object.
- L is a loss function
- L1 is a first loss function
- L2 is a second loss function
- N is the number of processed feature labels
- M is the number of contract labels
- Pie is the probability that the i-th label in the set of processed feature labels matches the e-th label in the set of marked feature labels
- pk is the probability of the target object to be assigned and the recommended contract object.
- the target object to be allocated is allocated to the contracting object with the highest first confidence level.
- t is the number of rejections of the contracted objects per unit time
- b is the average number of rejections of each of the contracted objects per unit time
- e is the natural logarithm
- a1 is the first degree of confidence
- a2 is the second degree of confidence .
- An embodiment of the present invention provides an electronic device, including: one or more processors; and one or more machine-readable media storing instructions thereon, and when the one or more processors are executed, the An electronic device performs one or more of the described methods.
- the invention is applicable to numerous general purpose and special purpose computing system environments or configurations. Examples: personal computers, server computers, handheld or portable devices, tablet-type devices, multiprocessor systems, microprocessor-based systems, set-top boxes, programmable consumer electronics, network PCs, minicomputers, mainframe computers, including A distributed computing environment for any of the above systems or devices, etc.
- the embodiments of the present invention also provide one or more machine-readable media, on which are stored instructions, which, when executed by one or more processors, cause the device to perform one or more of the above-mentioned methods.
- the invention may be described in the general context of computer-executable instructions, such as program modules, being executed by a computer.
- program modules include routines, programs, objects, components, data structures, etc. that perform particular tasks or implement particular abstract data types.
- the invention may also be practiced in distributed computing environments where tasks are performed by remote processing devices that are linked through a communications network.
- program modules may be located in both local and remote computer storage media including storage devices.
- the target object recommendation method and system of the present invention have the following beneficial effects:
- the classified contract objects and the first confidence degree are obtained, and according to the size of the first confidence degree, the classified contract objects with a higher first confidence degree are selected, and the target object to be assigned is determined to be related to The contracted objects classified after the first confidence level are matched and allocated, which improves the accuracy of allocation of potential target objects and improves the satisfaction of contracted services.
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Abstract
The present invention provides a target object recommendation method and system. The target object recommendation method comprises: obtaining target texts of target objects to be assigned, obtaining multiple feature tags by means of the target texts, and obtaining feature matrices by means of the multiple feature tags; inputting the feature matrices into a neural network for classification processing to obtain a classification result, and obtaining a recommendation model by training the neural network, the classification result comprising classified contracting objects and first confidence levels; and inputting the feature matrices corresponding to multiple target objects to be assigned into the recommendation model, respectively obtaining recommended classification results, and determining, according to the recommended classification results, the target objects to be assigned to the contracting objects.
Description
本发明涉及大数据技术领域,特别是涉及一种目标对象推荐方法及系统。The present invention relates to the technical field of big data, in particular to a target object recommendation method and system.
随着经济社会的发展,普通大众对于服务的需求越来越专业化和细分化,受限制于获得服务的方式和途径,服务方往往均不能找到精确的、理想的目标对象,尤其体现在专业性较强的承揽服务中,其中,承揽服务是指当事人/承揽对象为目标对象一方完成一定的工作,目标对象在验收后支付约定的报酬的行为。With the development of economy and society, the general public's demand for services is becoming more and more specialized and subdivided. Limited by the ways and means of obtaining services, service providers often cannot find accurate and ideal target objects, especially in Among the highly professional contracting services, the contracting service refers to the behavior that the party/contractor completes a certain work for the target party, and the target party pays the agreed remuneration after acceptance.
目前,可以通过构建信息化的服务平台为承揽对象进行派单,达到分配目标对象的目的,然而,当目标对象在服务平台发出请求时,平台如何精确地将合适的目标对象派发给入库的承揽对象进行处理,将会是一个现实问题,直接影响着服务平台的可持续发展,例如,直接目标对象的满意程度以及承揽对象的粘性。At present, the purpose of allocating target objects can be achieved by building an informationized service platform to dispatch orders for contracting objects. However, when the target object sends a request on the service platform, how can the platform accurately dispatch the appropriate target object to the warehouse? Dealing with the contracted object will be a practical problem, which directly affects the sustainable development of the service platform, for example, the satisfaction degree of the direct target object and the stickiness of the contracted object.
发明内容Contents of the invention
鉴于以上所述现有技术的缺点,本发明的目的在于提供一种目标对象推荐方法及系统,用于解决现有技术中目标对象推荐不精确的问题。In view of the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide a target object recommendation method and system for solving the problem of inaccurate target object recommendation in the prior art.
为实现上述目的及其他相关目的,本发明的实施例提供一种目标对象推荐方法,包括:In order to achieve the above purpose and other related purposes, an embodiment of the present invention provides a method for recommending a target object, including:
获取待分配的目标对象的目标文本,通过所述目标文本获取多个特征标签,并通过多个所述特征标签获取特征矩阵;Obtain the target text of the target object to be assigned, obtain a plurality of feature tags through the target text, and obtain a feature matrix through a plurality of the feature tags;
将所述特征矩阵输入到神经网络中进行分类处理,获取分类结果,并通过训练所述神经网络获取推荐模型,所述分类结果包括分类后的承揽对象和第一置信度;Inputting the feature matrix into the neural network for classification processing, obtaining classification results, and obtaining a recommendation model by training the neural network, the classification results including classified contract objects and first confidence;
将多个所述待分配的目标对象所对应的特征矩阵输入到所述推荐模型中,分别获取推荐后的分类结果,根据所述推荐后的分类结果确定所述承揽对象将要分配的目标对象。Inputting feature matrices corresponding to multiple target objects to be assigned into the recommendation model, obtaining recommended classification results respectively, and determining target objects to be assigned by the contracting object according to the recommended classification results.
进一步的,根据所述推荐后的分类结果确定所述承揽对象将要分配的目标对象,包括:Further, determining the target object to be assigned to the contract object according to the recommended classification result includes:
设置第一阈值,当第一置信度大于或者等于第一阈值时,则判定推荐有效,并将所述待分配的目标对象分配给所述承揽对象。A first threshold is set, and when the first confidence level is greater than or equal to the first threshold, it is determined that the recommendation is valid, and the target object to be assigned is assigned to the contract object.
进一步地,通过所述目标文本获取多个特征标签,包括:Further, a plurality of feature tags are obtained through the target text, including:
将所述待分配的目标对象的文本进行自然语言处理,并将处理结果与标注的特征标签进行相似度对比,根据所述相似度的大小,获取处理后的特征标签。Performing natural language processing on the text of the target object to be assigned, comparing the processing result with the marked feature labels, and obtaining the processed feature labels according to the similarity.
进一步地,所述神经网络包括输入层、隐藏层以及输出层,通过损失函数对所述神经网络进行训练,所述损失函数包括第一损失函数和第二损失函数,所述第一损失函数包括所述处理后的特征标签与所述标注的特征标签之间的损失,所述第二损失函数包括待分配的目标对象与推荐后的承揽对象之间的损失。Further, the neural network includes an input layer, a hidden layer and an output layer, and the neural network is trained through a loss function, the loss function includes a first loss function and a second loss function, and the first loss function includes The loss between the processed feature label and the marked feature label, the second loss function includes the loss between the target object to be assigned and the recommended contract object.
进一步地,所述损失函数的数学表达为:Further, the mathematical expression of the loss function is:
L=L1+L2L=L1+L2
其中,L为损失函数,L1为第一损失函数,L2为第二损失函数,N为所述处理后的特征标签的数量,M为所述承揽标签的数量;Wherein, L is a loss function, L1 is a first loss function, L2 is a second loss function, N is the number of processed feature labels, and M is the number of contract labels;
当所述处理后的特征标签的集合中第i个标签与标注的特征标签的集合中的第e个标签匹配时,x(ie)=1,否则,x(ie)=0;When the i-th label in the set of processed feature labels matches the e-th label in the set of marked feature labels, x(ie)=1, otherwise, x(ie)=0;
pie为所述处理后的特征标签的集合中第i个标签与标注的特征标签的集合中的第e个标签匹配的概率;Pie is the probability that the i-th label in the set of processed feature labels matches the e-th label in the set of marked feature labels;
当第k个待分配的目标对象与推荐后的承揽对象匹配时,zk=1,否则,zk=0;When the kth target object to be assigned matches the recommended contract object, zk=1, otherwise, zk=0;
pk为所述待分配的目标对象与推荐后的承揽对象的概率。pk is the probability of the target object to be assigned and the recommended contract object.
进一步地,根据所述推荐后的分类结果确定所述承揽对象将要分配的目标对象之后,包括:Further, after determining the target object to be allocated by the contracting object according to the recommended classification result, it includes:
当所述承揽对象拒绝所述待分配的目标对象时,改变所述承揽对象的所述第一置信度,获取第二置信度;When the contracting object rejects the target object to be allocated, changing the first confidence level of the contracting object to obtain a second confidence level;
当第二置信度大于或者等于所述第一阈值时,则判定推荐有效,并将所述待 分配的目标对象分配给所述承揽对象;When the second degree of confidence is greater than or equal to the first threshold, it is determined that the recommendation is valid, and the target object to be assigned is assigned to the contract object;
当第二置信度小于所述第一阈值时,则将所述待分配的目标对象分配给第一置信度最高的承揽对象。When the second confidence level is smaller than the first threshold, the target object to be allocated is allocated to the contracting object with the highest first confidence level.
进一步地,所述第二置信度的数学表达为:Further, the mathematical expression of the second confidence degree is:
其中,t为单位时间内的所述承揽对象的拒绝次数,b为单位时间内各个所述承揽对象的平均拒绝次数,e为自然对数,a1为第一置信度,a2为第二置信度。Wherein, t is the number of rejections of the contracted objects per unit time, b is the average number of rejections of each of the contracted objects per unit time, e is the natural logarithm, a1 is the first degree of confidence, and a2 is the second degree of confidence .
一种目标对象推荐系统,包括:A target object recommendation system, comprising:
获取模块,获取待分配的目标对象目标文本,通过所述目标文本获取多个的特征标签,并通过多个所述特征标签获取特征矩阵;The acquisition module acquires the target text of the target object to be assigned, obtains a plurality of feature tags through the target text, and obtains a feature matrix through a plurality of the feature tags;
模型模块,用于将所述特征矩阵输入到神经网络中进行分类处理,获取分类结果,并通过训练所述神经网络获取推荐模型,所述分类结果包括分类后的承揽对象和第一置信度;A model module, configured to input the feature matrix into the neural network for classification processing, obtain classification results, and obtain a recommendation model by training the neural network, the classification results include classified contract objects and first confidence;
处理模块,用于将多个所述待分配的目标对象所对应的特征矩阵输入到所述推荐模型中,分别获取推荐后的分类结果,根据所述推荐后的分类结果确定所述承揽对象将要分配的目标对象。A processing module, configured to input feature matrices corresponding to a plurality of target objects to be allocated into the recommendation model, obtain recommended classification results respectively, and determine that the contracting object will The assigned target object.
一种电子设备,包括:An electronic device comprising:
一个或多个处理器;和one or more processors; and
其上存储有指令的一个或多个机器可读介质,当所述一个或多个处理器执行时,使得所述电子设备执行所述的目标对象推荐方法。One or more machine-readable media having instructions stored thereon, when executed by the one or more processors, causes the electronic device to execute the target object recommendation method.
一种机器可读介质,其上存储有指令,当由一个或多个处理器执行时,使得设备执行所述的目标对象推荐方法。A machine-readable medium, on which instructions are stored, when executed by one or more processors, causes the device to execute the target object recommendation method.
图1显示为本发明其中一个实施例的目标对象推荐方法的示意图。FIG. 1 is a schematic diagram of a target object recommendation method according to one embodiment of the present invention.
图2显示为本发明其中一个实施例的目标对象推荐系统的示意图。FIG. 2 is a schematic diagram of a target object recommendation system according to one embodiment of the present invention.
以下通过特定的具体实例说明本发明的实施方式,本领域技术人员可由本说 明书所揭露的内容轻易地了解本发明的其他优点与功效。本发明还可以通过另外不同的具体实施方式加以实施或应用,本说明书中的各项细节也可以基于不同观点与应用,在没有背离本发明的精神下进行各种修饰或改变。Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention.
需要说明的是,本实施例中所提供的图示仅以示意方式说明本发明的基本构想,遂图式中仅显示与本发明中有关的组件而非按照实际实施时的组件数目、形状及尺寸绘制,其实际实施时各组件的型态、数量及比例可为一种随意的改变,且其组件布局型态也可能更为复杂。本说明书所附图式所绘示的结构、比例、大小等,均仅用以配合说明书所揭示的内容,以供熟悉此技术的人士了解与阅读,并非用以限定本发明可实施的限定条件,故不具技术上的实质意义,任何结构的修饰、比例关系的改变或大小的调整,在不影响本发明所能产生的功效及所能达成的目的下,均应仍落在本发明所揭示的技术内容得能涵盖的范围内。同时,本说明书中所引用的如“上”、“下”、“左”、“右”、“中间”及“一”等的用语,亦仅为便于叙述的明了,而非用以限定本发明可实施的范围,其相对关系的改变或调整,在无实质变更技术内容下,当亦视为本发明可实施的范畴。It should be noted that the diagrams provided in this embodiment are only schematically illustrating the basic idea of the present invention, and only the components related to the present invention are shown in the diagrams rather than the number, shape and shape of the components in actual implementation. Dimensional drawing, the type, quantity and proportion of each component can be changed arbitrarily during actual implementation, and the component layout type may also be more complicated. The structures, proportions, sizes, etc. shown in the drawings attached to this specification are only used to match the content disclosed in the specification for the understanding and reading of those who are familiar with this technology, and are not used to limit the conditions for the implementation of the present invention , so it has no technical substantive meaning, and any modification of structure, change of proportional relationship or adjustment of size shall still fall within the scope of the disclosure of the present invention without affecting the functions and objectives of the present invention. The technical content must be within the scope covered. At the same time, terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description and are not used to limit this specification. The practicable scope of the invention and the change or adjustment of its relative relationship shall also be regarded as the practicable scope of the present invention without any substantial change in the technical content.
在承揽服务推荐平台中,目标对象向平台发出需求请求,平台根据承揽对象的特性,将合适的目标对象推荐给特定的承揽对象,不仅能够满足目标对象的需求,而且承揽对象能够获取理想的目标用户,降低机会成本,请参阅图1,本发明提供一种目标对象推荐方法,包括:In the contracting service recommendation platform, the target object sends a demand request to the platform, and the platform recommends the appropriate target object to the specific contracting object according to the characteristics of the contracting object, which not only can meet the needs of the target object, but also the contracting object can obtain the ideal target User, reduce opportunity cost, please refer to Figure 1, the present invention provides a method for recommending target objects, including:
S1:获取待分配的目标对象的目标文本,通过所述目标文本获取多个特征标签,并通过多个所述特征标签获取特征矩阵;S1: Obtain the target text of the target object to be assigned, obtain a plurality of feature tags through the target text, and obtain a feature matrix through the plurality of feature tags;
S2:将所述特征矩阵输入到神经网络中进行分类处理,获取分类结果,并通过训练所述神经网络获取推荐模型,所述分类结果包括分类后的承揽对象和第一置信度,在分类处理过程中,可将特征矩阵进行矩阵运算,获取特征矩阵与承揽对象之间的对应关系;S2: Input the feature matrix into the neural network for classification processing, obtain the classification result, and obtain the recommendation model by training the neural network, the classification result includes the classified contract object and the first confidence degree, in the classification processing During the process, the characteristic matrix can be subjected to matrix operation to obtain the corresponding relationship between the characteristic matrix and the contractor;
S3:将多个所述待分配的目标对象所对应的特征矩阵输入到所述推荐模型中,分别获取推荐后的分类结果,根据所述推荐后的分类结果确定所述承揽对象将要分配的目标对象,通过推荐模型的分类处理,获取分类后的承揽对象以及第一置信度,根据第一置信度的大小,选取第一置信度较高的分类后的承揽对象,判定所述待分配的目标对象与第一置信度较高的分类后的承揽对象匹配,进行分配, 提高了潜在目标对象分配的精度,提高承揽服务的满意度。S3: Input feature matrices corresponding to multiple target objects to be assigned into the recommendation model, obtain recommended classification results respectively, and determine the target to be assigned by the contracting object according to the recommended classification results Objects, through the classification process of the recommendation model, obtain the classified contract objects and the first confidence degree, select the classified contract objects with higher first confidence degree according to the size of the first confidence degree, and determine the target to be assigned The objects are matched with the classified contracting objects with a higher first degree of confidence and allocated, which improves the accuracy of allocation of potential target objects and improves the satisfaction of contracting services.
在一些实施过程中,通过所述目标文本获取多个特征标签,包括:In some implementations, multiple feature tags are obtained through the target text, including:
设置第一阈值,当第一置信度大于或者等于第一阈值时,则判定推荐有效,并将所述待分配的目标对象分配给所述承揽对象,提高了推荐的效率和精度,避免将待分配的目标对象分配给较低第一置信度的承揽对象。Setting the first threshold, when the first confidence is greater than or equal to the first threshold, it is determined that the recommendation is valid, and the target object to be assigned is assigned to the contract object, which improves the efficiency and accuracy of the recommendation and avoids The assigned target object is assigned to the contract object with a lower first confidence level.
为了获取特征标签可以采用自然语言处理的方法,例如,获取待分配的目标对象的特征标签,包括:In order to obtain the feature label, a natural language processing method can be used, for example, to obtain the feature label of the target object to be assigned, including:
将所述待分配的目标对象的文本进行自然语言处理,并将处理结果与标注的特征标签进行相似度对比,根据所述相似度的大小,获取处理后的特征标签。Performing natural language processing on the text of the target object to be assigned, comparing the processing result with the marked feature labels, and obtaining the processed feature labels according to the similarity.
在一些实施过程中,所述神经网络包括输入层、隐藏层以及输出层,通过损失函数对所述神经网络进行训练,所述损失函数包括第一损失函数和第二损失函数,所述第一损失函数包括所述处理后的特征标签与所述标注的特征标签之间的损失,所述第二损失函数包括待分配的目标对象与推荐后的承揽对象之间的损失。In some implementations, the neural network includes an input layer, a hidden layer, and an output layer, and the neural network is trained through a loss function, and the loss function includes a first loss function and a second loss function, and the first The loss function includes a loss between the processed feature label and the marked feature label, and the second loss function includes a loss between the target object to be assigned and the recommended contract object.
进一步的,所述损失函数的数学表达为:Further, the mathematical expression of the loss function is:
L=L1+L2L=L1+L2
其中,L为损失函数,L1为第一损失函数,L2为第二损失函数,N为所述处理后的特征标签的数量,M为所述承揽标签的数量;Wherein, L is a loss function, L1 is a first loss function, L2 is a second loss function, N is the number of processed feature labels, and M is the number of contract labels;
当所述处理后的特征标签的集合中第i个标签与标注的特征标签的集合中的第e个标签匹配时,x(ie)=1,否则,x(ie)=0;When the i-th label in the set of processed feature labels matches the e-th label in the set of marked feature labels, x(ie)=1, otherwise, x(ie)=0;
pie为所述处理后的特征标签的集合中第i个标签与标注的特征标签的集合中的第e个标签匹配的概率;Pie is the probability that the i-th label in the set of processed feature labels matches the e-th label in the set of marked feature labels;
当第k个待分配的目标对象与推荐后的承揽对象匹配时,zk=1,否则,zk=0;When the kth target object to be assigned matches the recommended contract object, zk=1, otherwise, zk=0;
pk为所述待分配的目标对象与推荐后的承揽对象的概率。所述损失函数不仅考虑了所述处理后的特征标签与所述标注的特征标签之间的损失,还考虑了待 分配的目标对象与推荐后的承揽对象之间的损失,提高了分类处理过程中的推荐精度。pk is the probability of the target object to be assigned and the recommended contract object. The loss function not only considers the loss between the processed feature label and the marked feature label, but also considers the loss between the target object to be assigned and the recommended contract object, which improves the classification process. The recommended accuracy in .
为了提高待分配的目标对象的处理效率,避免承揽对象高频的拒绝待分配的目标对象,可以根据其拒绝推荐的次数或者频率,设立改变获得待分配的目标对象的机会能力,例如,根据所述推荐后的分类结果确定所述承揽对象将要分配的目标对象之后,包括:In order to improve the processing efficiency of the target objects to be allocated and avoid frequent rejection of the target objects to be allocated by the contracting object, the ability to change the opportunity to obtain the target objects to be allocated can be set up according to the number or frequency of rejection recommendations, for example, according to the After the classification results after the above recommendations determine the target objects to be assigned by the contract objects, it includes:
当所述承揽对象拒绝所述待分配的目标对象时,改变所述承揽对象的所述第一置信度,获取第二置信度;When the contracting object rejects the target object to be allocated, changing the first confidence level of the contracting object to obtain a second confidence level;
当第二置信度大于或者等于所述第一阈值时,则判定推荐有效,并将所述待分配的目标对象分配给所述承揽对象;When the second confidence degree is greater than or equal to the first threshold, it is determined that the recommendation is valid, and the target object to be assigned is assigned to the contract object;
当第二置信度小于所述第一阈值时,则将所述待分配的目标对象分配给第一置信度最高的承揽对象。When the second confidence level is smaller than the first threshold, the target object to be allocated is allocated to the contracting object with the highest first confidence level.
进一步的,所述第二置信度的数学表达为:Further, the mathematical expression of the second confidence degree is:
其中,t为单位时间内的所述承揽对象的拒绝次数,b为单位时间内各个所述承揽对象的平均拒绝次数,e为自然对数,a1为第一置信度,a2为第二置信度。例如,t=1,b=2时,代表承揽对象拒绝的频率低于平均数,那么可以适当地提高其获取待分配的目标对象的机会能力,则a2>a1;当t=3,b=2时,代表承揽对象拒绝的频率大于平均数,那么可以适当地降低其获取待分配的目标对象的机会能力,则a2<a1。Wherein, t is the number of rejections of the contracted objects per unit time, b is the average number of rejections of each of the contracted objects per unit time, e is the natural logarithm, a1 is the first degree of confidence, and a2 is the second degree of confidence . For example, when t=1 and b=2, it means that the frequency of rejection by the contracted object is lower than the average number, so it can properly improve its ability to obtain the target object to be assigned, then a2>a1; when t=3, b= When 2, it means that the frequency of rejection by the contracted object is greater than the average number, so the opportunity ability to obtain the target object to be assigned can be appropriately reduced, then a2<a1.
请参阅图2,本发明的其中一个实施例还提供了一种目标对象推荐系统,包括:Referring to Fig. 2, one of the embodiments of the present invention also provides a target object recommendation system, including:
获取模块,获取待分配的目标对象的目标文本,通过所述目标文本获取多个特征标签,并通过多个所述特征标签获取特征矩阵;An acquisition module that acquires the target text of the target object to be assigned, acquires a plurality of feature tags through the target text, and acquires a feature matrix through a plurality of the feature tags;
模型模块,用于将所述特征矩阵输入到神经网络中进行分类处理,获取分类结果,并通过训练所述神经网络获取推荐模型,所述分类结果包括分类后的承揽对象和第一置信度;A model module, configured to input the feature matrix into the neural network for classification processing, obtain classification results, and obtain a recommendation model by training the neural network, the classification results include classified contract objects and first confidence;
处理模块,用于将多个所述待分配的目标对象所对应的特征矩阵输入到所述 推荐模型中,分别获取推荐后的分类结果,根据所述推荐后的分类结果确定所述承揽对象将要分配的目标对象。A processing module, configured to input feature matrices corresponding to a plurality of target objects to be allocated into the recommendation model, obtain recommended classification results respectively, and determine that the contracting object will The assigned target object.
进一步地,根据所述推荐后的分类结果确定所述承揽对象将要分配的目标对象,包括:Further, determining the target object to be assigned to the contracted object according to the recommended classification result includes:
设置第一阈值,当第一置信度大于或者等于第一阈值时,则判定推荐有效,并将所述待分配的目标对象分配给所述承揽对象。A first threshold is set, and when the first confidence level is greater than or equal to the first threshold, it is determined that the recommendation is valid, and the target object to be assigned is assigned to the contract object.
进一步地,获取待分配的目标对象的特征标签,包括:Further, the feature label of the target object to be assigned is obtained, including:
将所述待分配的目标对象的文本进行自然语言处理,并将处理结果与标注的特征标签进行相似度对比,根据所述相似度的大小,获取处理后的特征标签。Performing natural language processing on the text of the target object to be assigned, comparing the processing result with the marked feature labels, and obtaining the processed feature labels according to the similarity.
进一步地,所述神经网络包括输入层、隐藏层以及输出层,通过损失函数对所述神经网络进行训练,所述损失函数包括第一损失函数和第二损失函数,所述第一损失函数包括所述处理后的特征标签与所述标注的特征标签之间的损失,所述第二损失函数包括待分配的目标对象与推荐后的承揽对象之间的损失。Further, the neural network includes an input layer, a hidden layer and an output layer, and the neural network is trained through a loss function, the loss function includes a first loss function and a second loss function, and the first loss function includes The loss between the processed feature label and the marked feature label, the second loss function includes the loss between the target object to be assigned and the recommended contract object.
进一步地,所述损失函数的数学表达为:Further, the mathematical expression of the loss function is:
L=L1+L2L=L1+L2
其中,L为损失函数,L1为第一损失函数,L2为第二损失函数,N为所述处理后的特征标签的数量,M为所述承揽标签的数量;Wherein, L is a loss function, L1 is a first loss function, L2 is a second loss function, N is the number of processed feature labels, and M is the number of contract labels;
当所述处理后的特征标签的集合中第i个标签与标注的特征标签的集合中的第e个标签匹配时,x(ie)=1,否则,x(ie)=0;When the i-th label in the set of processed feature labels matches the e-th label in the set of marked feature labels, x(ie)=1, otherwise, x(ie)=0;
pie为所述处理后的特征标签的集合中第i个标签与标注的特征标签的集合中的第e个标签匹配的概率;Pie is the probability that the i-th label in the set of processed feature labels matches the e-th label in the set of marked feature labels;
当第k个待分配的目标对象与推荐后的承揽对象匹配时,zk=1,否则,zk=0;When the kth target object to be assigned matches the recommended contract object, zk=1, otherwise, zk=0;
pk为所述待分配的目标对象与推荐后的承揽对象的概率。pk is the probability of the target object to be assigned and the recommended contract object.
进一步地,根据所述推荐后的分类结果确定所述承揽对象将要分配的目标对 象之后,包括:Further, after determining the target object to be allocated by the contract object according to the recommended classification result, it includes:
当所述承揽对象拒绝所述待分配的目标对象时,改变所述承揽对象的所述第一置信度,获取第二置信度;When the contracting object rejects the target object to be allocated, changing the first confidence level of the contracting object to obtain a second confidence level;
当第二置信度大于或者等于所述第一阈值时,则判定推荐有效,并将所述待分配的目标对象分配给所述承揽对象;When the second confidence degree is greater than or equal to the first threshold, it is determined that the recommendation is valid, and the target object to be assigned is assigned to the contract object;
当第二置信度小于所述第一阈值时,则将所述待分配的目标对象分配给第一置信度最高的承揽对象。When the second confidence level is smaller than the first threshold, the target object to be allocated is allocated to the contracting object with the highest first confidence level.
进一步地,所述第二置信度的数学表达为:Further, the mathematical expression of the second confidence degree is:
其中,t为单位时间内的所述承揽对象的拒绝次数,b为单位时间内各个所述承揽对象的平均拒绝次数,e为自然对数,a1为第一置信度,a2为第二置信度。Wherein, t is the number of rejections of the contracted objects per unit time, b is the average number of rejections of each of the contracted objects per unit time, e is the natural logarithm, a1 is the first degree of confidence, and a2 is the second degree of confidence .
本发明实施例提供一种电子设备,包括:一个或多个处理器;和其上存储有指令的一个或多个机器可读介质,当所述一个或多个处理器执行时,使得所述电子设备执行一个或多个所述的方法。本发明可用于众多通用或专用的计算系统环境或配置中。例如:个人计算机、服务器计算机、手持设备或便携式设备、平板型设备、多处理器系统、基于微处理器的系统、置顶盒、可编程的消费电子设备、网络PC、小型计算机、大型计算机、包括以上任何系统或设备的分布式计算环境等等。An embodiment of the present invention provides an electronic device, including: one or more processors; and one or more machine-readable media storing instructions thereon, and when the one or more processors are executed, the An electronic device performs one or more of the described methods. The invention is applicable to numerous general purpose and special purpose computing system environments or configurations. Examples: personal computers, server computers, handheld or portable devices, tablet-type devices, multiprocessor systems, microprocessor-based systems, set-top boxes, programmable consumer electronics, network PCs, minicomputers, mainframe computers, including A distributed computing environment for any of the above systems or devices, etc.
本发明实施例还提供一个或多个机器可读介质,其上存储有指令,当由一个或多个处理器执行时,使得设备执行中一个或多个所述的方法。本发明可以在由计算机执行的计算机可执行指令的一般上下文中描述,例如程序模块。一般地,程序模块包括执行特定任务或实现特定抽象数据类型的例程、程序、对象、组件、数据结构等等。也可以在分布式计算环境中实践本发明,在这些分布式计算环境中,由通过通信网络而被连接的远程处理设备来执行任务。在分布式计算环境中,程序模块可以位于包括存储设备在内的本地和远程计算机存储介质中。The embodiments of the present invention also provide one or more machine-readable media, on which are stored instructions, which, when executed by one or more processors, cause the device to perform one or more of the above-mentioned methods. The invention may be described in the general context of computer-executable instructions, such as program modules, being executed by a computer. Generally, program modules include routines, programs, objects, components, data structures, etc. that perform particular tasks or implement particular abstract data types. The invention may also be practiced in distributed computing environments where tasks are performed by remote processing devices that are linked through a communications network. In a distributed computing environment, program modules may be located in both local and remote computer storage media including storage devices.
如上所述,本发明的目标对象推荐方法及系统,具有以下有益效果:As mentioned above, the target object recommendation method and system of the present invention have the following beneficial effects:
通过推荐模型的分类处理,获取分类后的承揽对象以及第一置信度,根据第 一置信度的大小,选取第一置信度较高的分类后的承揽对象,判定所述待分配的目标对象与第一置信度较高的分类后的承揽对象匹配,进行分配,提高了潜在目标对象分配的精度,提高承揽服务的满意度。Through the classification process of the recommendation model, the classified contract objects and the first confidence degree are obtained, and according to the size of the first confidence degree, the classified contract objects with a higher first confidence degree are selected, and the target object to be assigned is determined to be related to The contracted objects classified after the first confidence level are matched and allocated, which improves the accuracy of allocation of potential target objects and improves the satisfaction of contracted services.
上述实施例仅例示性说明本发明的原理及其功效,而非用于限制本发明。任何熟悉此技术的人士皆可在不违背本发明的精神及范畴下,对上述实施例进行修饰或改变。因此,举凡所属技术领域中具有通常知识者在未脱离本发明所揭示的精神与技术思想下所完成的一切等效修饰或改变,仍应由本发明的权利要求所涵盖。The above-mentioned embodiments only illustrate the principles and effects of the present invention, but are not intended to limit the present invention. Anyone skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those skilled in the art without departing from the spirit and technical ideas disclosed in the present invention should still be covered by the claims of the present invention.
Claims (10)
- 一种目标对象推荐方法,其特征在于,包括:A target object recommendation method, characterized in that it includes:获取待分配的目标对象的目标文本,通过所述目标文本获取多个特征标签,并通过多个所述特征标签获取特征矩阵;Obtain the target text of the target object to be assigned, obtain a plurality of feature tags through the target text, and obtain a feature matrix through a plurality of the feature tags;将所述特征矩阵输入到神经网络中进行分类处理,获取分类结果,并通过训练所述神经网络获取推荐模型,所述分类结果包括分类后的承揽对象和第一置信度;Inputting the feature matrix into the neural network for classification processing, obtaining classification results, and obtaining a recommendation model by training the neural network, the classification results including classified contract objects and first confidence;将多个所述待分配的目标对象所对应的特征矩阵输入到所述推荐模型中,分别获取推荐后的分类结果,根据所述推荐后的分类结果确定所述承揽对象将要分配的目标对象。Inputting feature matrices corresponding to multiple target objects to be assigned into the recommendation model, obtaining recommended classification results respectively, and determining target objects to be assigned by the contracting object according to the recommended classification results.
- 据权利要求1所述的目标对象推荐方法,其特征在于,根据所述推荐后的分类结果确定所述承揽对象将要分配的目标对象,包括:The target object recommendation method according to claim 1, wherein determining the target object to be assigned to the contract object according to the recommended classification result includes:设置第一阈值,当第一置信度大于或者等于第一阈值时,则判定推荐有效,并将所述待分配的目标对象分配给所述承揽对象。A first threshold is set, and when the first confidence level is greater than or equal to the first threshold, it is determined that the recommendation is valid, and the target object to be assigned is assigned to the contract object.
- 根据权利要求2所述的目标对象推荐方法,其特征在于,通过所述目标文本获取多个特征标签,包括:The target object recommendation method according to claim 2, wherein obtaining a plurality of feature labels through the target text includes:将所述待分配的目标对象的文本进行自然语言处理,并将处理结果与标注的特征标签进行相似度对比,根据所述相似度的大小,获取处理后的特征标签。Performing natural language processing on the text of the target object to be assigned, comparing the processing result with the marked feature labels, and obtaining the processed feature labels according to the similarity.
- 根据权利要求3所述的目标对象推荐方法,其特征在于,所述神经网络包括输入层、隐藏层以及输出层,通过损失函数对所述神经网络进行训练,所述损失函数包括第一损失函数和第二损失函数,所述第一损失函数包括所述处理后的特征标签与所述标注的特征标签之间的损失,所述第二损失函数包括待分配的目标对象与推荐后的承揽对象之间的损失。The target object recommendation method according to claim 3, wherein the neural network includes an input layer, a hidden layer, and an output layer, and the neural network is trained through a loss function, and the loss function includes a first loss function and a second loss function, the first loss function includes the loss between the processed feature label and the labeled feature label, and the second loss function includes the target object to be assigned and the recommended contract object loss between.
- 根据权利要求4所述的目标对象推荐方法,其特征在于,所述损失函数的数学表达为:L=L1+L2The target object recommendation method according to claim 4, wherein the mathematical expression of the loss function is: L=L1+L2其中,L为损失函数,L1为第一损失函数,L2为第二损失函数,N为所述处理后的特征标签的数量,M为承揽标签的数量;Wherein, L is a loss function, L1 is a first loss function, L2 is a second loss function, N is the number of processed feature labels, and M is the number of contract labels;当所述处理后的特征标签的集合中第i个标签与标注的特征标签的集合中的第e个标签匹配时,x(ie)=1,否则,x(ie)=0;When the i-th label in the set of processed feature labels matches the e-th label in the set of marked feature labels, x(ie)=1, otherwise, x(ie)=0;pie为所述处理后的特征标签的集合中第i个标签与标注的特征标签的集合中的第e个标签匹配的概率;Pie is the probability that the i-th label in the set of processed feature labels matches the e-th label in the set of marked feature labels;当第k个待分配的目标对象与推荐后的承揽对象匹配时,zk=1,否则,zk=0;When the kth target object to be assigned matches the recommended contract object, zk=1, otherwise, zk=0;pk为所述待分配的目标对象与推荐后的承揽对象的概率。pk is the probability of the target object to be assigned and the recommended contract object.
- 根据权利要求1所述的目标对象推荐方法,其特征在于,根据所述推荐后的分类结果确定所述承揽对象将要分配的目标对象之后,包括:The target object recommendation method according to claim 1, characterized in that, after determining the target object to be allocated by the contract object according to the recommended classification result, comprising:当所述承揽对象拒绝所述待分配的目标对象时,改变所述承揽对象的所述第一置信度,获取第二置信度;When the contracting object rejects the target object to be allocated, changing the first confidence level of the contracting object to obtain a second confidence level;当第二置信度大于或者等于第一阈值时,则判定推荐有效,并将所述待分配的目标对象分配给所述承揽对象;When the second confidence degree is greater than or equal to the first threshold, it is determined that the recommendation is valid, and the target object to be assigned is assigned to the contract object;当第二置信度小于所述第一阈值时,则将所述待分配的目标对象分配给第一置信度最高的承揽对象。When the second confidence level is smaller than the first threshold, the target object to be allocated is allocated to the contracting object with the highest first confidence level.
- 根据权利要求6所述的目标对象推荐方法,其特征在于,所述第二置信度的数学表达为:The method for recommending target objects according to claim 6, wherein the mathematical expression of the second degree of confidence is:其中,t为单位时间内的所述承揽对象的拒绝次数,b为单位时间内各个所述承揽对象的平均拒绝次数,e为自然对数,a1为第一置信度,a2为第二置信度。Among them, t is the number of rejections of the contracted objects per unit time, b is the average number of rejections of each of the contracted objects per unit time, e is the natural logarithm, a1 is the first degree of confidence, and a2 is the second degree of confidence .
- 一种目标对象推荐系统,其特征在于,包括:A target object recommendation system, characterized in that it comprises:获取模块,获取待分配的目标对象目标文本,通过所述目标文本获取多个的特征标签,并通过多个所述特征标签获取特征矩阵;The acquisition module acquires the target text of the target object to be assigned, obtains a plurality of feature tags through the target text, and obtains a feature matrix through a plurality of the feature tags;模型模块,用于将所述特征矩阵输入到神经网络中进行分类处理,获取分类 结果,并通过训练所述神经网络获取推荐模型,所述分类结果包括分类后的承揽对象和第一置信度;The model module is used to input the feature matrix into the neural network to perform classification processing, obtain the classification result, and obtain the recommendation model by training the neural network, and the classification result includes the classified contract object and the first degree of confidence;处理模块,用于将多个所述待分配的目标对象所对应的特征矩阵输入到所述推荐模型中,分别获取推荐后的分类结果,根据所述推荐后的分类结果确定所述承揽对象将要分配的目标对象。A processing module, configured to input feature matrices corresponding to a plurality of target objects to be allocated into the recommendation model, obtain recommended classification results respectively, and determine that the contracting object will The assigned target object.
- 一种电子设备,其特征在于,包括:An electronic device, characterized in that it comprises:一个或多个处理器;和其上存储有指令的一个或多个机器可读介质,当所述一个或多个处理器执行时,使得所述电子设备执行如权利要求1-7中任一所述的目标对象推荐方法。One or more processors; and one or more machine-readable media having instructions stored thereon, which, when executed by the one or more processors, cause the electronic device to perform any one of claims 1-7 The target object recommendation method described above.
- 一种机器可读介质,其特征在于,其上存储有指令,当由一个或多个处理器执行时,使得设备执行如权利要求1-7中任一所述的目标对象推荐方法。A machine-readable medium, characterized in that instructions are stored thereon, and when executed by one or more processors, the device executes the method for recommending a target object according to any one of claims 1-7.
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