WO2020010982A1 - 一种风险防控方法、系统及终端设备 - Google Patents

一种风险防控方法、系统及终端设备 Download PDF

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Publication number
WO2020010982A1
WO2020010982A1 PCT/CN2019/090685 CN2019090685W WO2020010982A1 WO 2020010982 A1 WO2020010982 A1 WO 2020010982A1 CN 2019090685 W CN2019090685 W CN 2019090685W WO 2020010982 A1 WO2020010982 A1 WO 2020010982A1
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address
preset
address element
transaction
list
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PCT/CN2019/090685
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English (en)
French (fr)
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刘志鹏
朱通
赵华
钟飞
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阿里巴巴集团控股有限公司
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Publication of WO2020010982A1 publication Critical patent/WO2020010982A1/zh

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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
    • G06Q10/00Administration; Management
    • 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
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F40/00Handling natural language data
    • G06F40/10Text processing
    • G06F40/194Calculation of difference between files
    • 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
    • G06Q10/00Administration; Management
    • G06Q10/08Logistics, e.g. warehousing, loading or distribution; Inventory or stock management
    • G06Q10/083Shipping

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  • the embodiments of the present specification relate to the field of information security technology, and in particular, to a risk prevention and control method, system, and terminal device.
  • the logistics country when the country of issue of the stolen bank card is different from the country to which the goods purchased using the bank card are shipped (for ease of description, referred to as the logistics country), in order to cover up the misappropriation as much as possible Some hackers will masquerade the logistics country as the issuing country of the stolen bank card.
  • the specific logistics address is relatively vague, such as adding or subtracting letters to the state or city name, or adding special characters to the state or city name Wait.
  • the existing risk prevention and control method is to intercept the logistics address and perform risk prevention and control by identifying keywords in the state or city of the logistics address.
  • the hackers can simply modify the state or city name of the logistics address to bypass the keyword identification of the risk prevention and control system, and need to constantly adjust the keywords to achieve the purpose of risk prevention and control, which is costly.
  • the embodiments of the present specification provide a risk prevention and control method, system, and terminal device, in order to solve the risk prevention and control methods in the prior art, which need to constantly adjust keywords to achieve the purpose of risk prevention and control.
  • the problem is to solve the risk prevention and control methods in the prior art, which need to constantly adjust keywords to achieve the purpose of risk prevention and control.
  • a risk prevention and control method including:
  • Whether to execute the transaction is determined based on the text similarity of the address element.
  • a risk prevention and control system including:
  • a processing module for processing a plurality of address elements based on the logistics address information of real-time transactions performed by the user
  • a first determining module configured to determine a text similarity between an address element in a temporary list and a preset address element in a preset list, where the temporary list is used to mark the multiple address elements;
  • a second determining module is configured to determine whether to execute the transaction based on the text similarity of the address element.
  • a terminal device including: a memory, a processor, and a computer program stored on the memory and executable on the processor.
  • the computer program is implemented as follows when executed by the processor: step:
  • Whether to execute the transaction is determined based on the text similarity of the address element.
  • a computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the following steps are implemented:
  • Whether to execute the transaction is determined based on the text similarity of the address element.
  • the embodiment of the present specification obtains multiple address elements based on processing the logistics address information of the user's real-time transaction, and then determines whether to execute the transaction based on the text similarity between the address element in the temporary list and the preset address element in the preset list. It can dynamically capture the fuzzy modification of the logistics address without the need to adjust the keywords, the cost is lower, and better risk control effects can be achieved.
  • FIG. 1 is a flowchart of a risk prevention and control method according to an embodiment of the present specification
  • FIG. 2 is a schematic flowchart of an actual application scenario of a risk prevention and control method provided by an embodiment of the present specification
  • FIG. 3 is a structural block diagram of a risk prevention and control system according to an embodiment of the present specification.
  • FIG. 4 is a structural block diagram of a terminal device according to an embodiment of the present specification.
  • the embodiments of the present specification provide a risk prevention and control method, system, and terminal device, in order to solve the risk prevention and control methods in the prior art, which need to constantly adjust keywords to achieve the purpose of risk prevention and control.
  • the embodiment of the present specification provides a risk prevention and control method.
  • the execution subject of the method may be, but is not limited to, a terminal device or a device or system that can be configured to execute the method provided by the embodiment of the present specification.
  • the following describes the implementation of the method by taking the execution subject of the method as a terminal device capable of executing the method as an example. It can be understood that the execution subject of the method as a terminal device is only an exemplary description, and should not be construed as limiting the method.
  • the risk prevention and control methods provided in the embodiments of the present specification can be applied to international logistics or domestic logistics.
  • the embodiments of the present specification take the application of international logistics as an example for detailed description.
  • FIG. 1 is a flowchart of a risk prevention and control method according to an embodiment of the present specification.
  • the method in FIG. 1 may be executed by a terminal device. As shown in FIG. 1, the method may include:
  • Step 110 Process a plurality of address elements based on the logistics address information of the user for real-time transactions.
  • processing the logistics address information of users for real-time transactions to obtain multiple address elements can be:
  • Step 120 Determine the text similarity between the address element in the temporary list and the preset address element in the preset list.
  • the temporary list is created from multiple address elements, and the temporary list is used to mark the multiple address elements.
  • the preset address element may refer to each component in the correct logistics address.
  • the preset list is created by locking preset address elements.
  • the text similarity between the address element in the temporary list and the preset address element in the preset list may be determined, and the implementation may include the following:
  • the text similarity algorithm is used to determine the text similarity between the address element in the temporary list and the preset address element in the preset list;
  • the Euclidean distance algorithm is used to determine the text similarity between the address element in the temporary list and the preset address element in the preset list.
  • Step 130 Determine whether to execute the transaction based on the text similarity of the address element.
  • determining whether to execute the transaction based on the text similarity of the address element may specifically be: if the text similarity value of the address element is greater than a threshold, the execution of the transaction is terminated; if the text similarity value of the address element is less than or equal to the threshold, then Continue to execute the transaction.
  • the embodiment of the present specification obtains multiple address elements based on processing the logistics address information of the user's real-time transaction, and then determines whether to execute the transaction based on the text similarity between the address element in the temporary list and the preset address element in the preset list. It can dynamically capture the fuzzy modification of the logistics address without the need to adjust the keywords, the cost is lower, and better risk control effects can be achieved.
  • step 120 may be specifically implemented as:
  • the address element is Cohinnd and the preset address element is China as an example:
  • the uppermost character is equal to the leftmost character, it is the upper left number. Otherwise, the number at the top left is +1. (1 for 3, 3)
  • the uppermost character is equal to the leftmost character, it is the upper left number. Otherwise, the number at the top left is +1. (2 for 3, 4)
  • the embodiment of the present specification determines the text similarity between the address element in the temporary list and the preset address element in the preset list based on the minimum number of editing operations required to convert the character string corresponding to the address element into the string corresponding to the preset address element. It can dynamically capture the modification of the address element to better achieve the risk control effect.
  • step 120 may be specifically implemented as:
  • the range of the cosine value is between [-1,1]. The closer the value is to 1, the closer the directions of the two vectors, that is, the more similar the address element and the preset address element, the smaller the similarity value; Approaching -1, the more their directions are opposite, that is, the more different the address element and the preset address element, the greater the similarity value.
  • the embodiments of the present specification establish a vector corresponding to the address element and the preset address element respectively based on the address element in the temporary list and the preset address element in the preset list; based on the cosine value of the vector corresponding to the address element and the preset address element To determine the textual similarity between the address element in the temporary list and the preset address element in the preset list, the modification of the address element can be dynamically captured to better achieve the risk control effect.
  • step 110 may be specifically implemented as:
  • the logistics address information of the user's real-time transaction is split to obtain multiple address elements.
  • the separator can be a common separator, and the separator can be a space, an underscore, a comma, or a semicolon.
  • Exemplary, commonly used delimiters “-”, “ _ ”, “, ”, “ ”).
  • the separator is used as the split node, and after the logistics address information of the user's real-time transaction is split, the multiple address elements are China, Beijing and chaoyangqu.
  • the logistics address information of a user's real-time transaction is split, so that the logistics address information is simply split to obtain each element of the logistics address, so as to facilitate subsequent analysis of each element.
  • the text similarity of the elements is determined, and the fuzzy modification of each element can be captured in real time without any adjustment, which lays the foundation for better risk control effects.
  • the risk prevention and control method provided by the embodiment of the present specification may further include:
  • the transaction data satisfies a risk condition, it is determined that the transaction corresponding to the transaction data is a risk transaction; the risk condition is a condition with an act of misappropriating transaction information;
  • Step 110 may be specifically implemented as:
  • a plurality of address elements are obtained by processing based on the logistics address information of the risk transaction.
  • the transaction data of real-time transactions performed by users is filtered to select transactions with risks (that is, risk transactions), and multiple address elements are obtained based on the logistics address information of the risk transactions, so that The transaction data is initially screened to reduce the amount of data, reduce the memory footprint and improve efficiency.
  • step 130 may be specifically implemented as:
  • the transaction is continuously executed.
  • the execution of the transaction by selecting the address with the largest text similarity value from among multiple address elements, if the maximum text similarity value is greater than the threshold value, the execution of the transaction is terminated; if the maximum text similarity value is greater than the threshold value, the termination is terminated.
  • the execution of the transaction can dynamically capture the fuzzy modification of the address element, and can determine whether to execute the transaction in real time according to the fuzzy modification of the address element, which improves the security and can achieve a better risk control effect.
  • FIG. 2 shows a flowchart of a service risk prevention and control method provided in an embodiment of the present invention in an actual application scenario
  • the transaction data satisfies a risk condition, it is determined that the transaction corresponding to the transaction data is a risk transaction; the risk condition is a condition with an act of misappropriating transaction information;
  • processing the logistics address information of the user for real-time transactions to obtain multiple address elements may be: splitting the logistics address information of the users for real-time transactions to obtain multiple address elements; or, performing real-time transactions for the users
  • the logistics address information is reorganized to obtain multiple address elements.
  • a temporary list is created based on multiple address elements
  • the obtained maximum text similarity value is compared with a threshold value to determine whether the maximum text similarity value is greater than a threshold value
  • the transaction is continued to be executed.
  • the embodiment of the present specification obtains multiple address elements based on processing the logistics address information of the user's real-time transaction, and then determines whether to execute the transaction based on the text similarity between the address element in the temporary list and the preset address element in the preset list. It can dynamically capture the fuzzy modification of the logistics address without the need to adjust the keywords, the cost is lower, and better risk control effects can be achieved.
  • FIG. 3 is a schematic structural diagram of a risk prevention and control system according to an embodiment of the present specification. As shown in FIG. 3, the risk prevention and control system 300 may include:
  • a processing module 310 configured to process a plurality of address elements based on the logistics address information of real-time transactions performed by the user;
  • a first determining module 320 configured to determine a text similarity between an address element in a temporary list and a preset address element in a preset list, where the temporary list is used to mark the multiple address elements;
  • the second determining module 330 is configured to determine whether to execute the transaction based on the text similarity of the address element.
  • the first determining module 320 may include:
  • a first determining unit configured to determine, based on a minimum number of editing operations required for converting a character string corresponding to the address element into a character string corresponding to the preset address element, an address element in the temporary list and a preset value in the preset list; Set the text similarity of the address element.
  • the first determining module 320 may include:
  • a establishing unit configured to respectively create vectors corresponding to the address element and the preset address element based on the address element in the temporary list and the preset address element in the preset list;
  • the second determining unit is configured to determine the text similarity between the address element in the temporary list and the preset address element in the preset list based on the cosine value of the vector corresponding to the address element and the preset address element.
  • the processing module 310 may include:
  • a splitting unit is used to split a logistics address information of a user for real-time transactions by using a separator as a split node to obtain multiple address elements.
  • the risk prevention and control system 300 may further include:
  • An obtaining module 340 configured to obtain transaction data of a user performing a real-time transaction
  • the third determining module 350 is configured to determine that the transaction corresponding to the transaction data is a risk transaction if the transaction data satisfies a risk condition; the risk condition is a condition that has an act of misappropriating transaction information;
  • the processing module 310 may include: a processing unit, configured to process multiple address elements based on the logistics address information of the risk transaction.
  • the second determining module 330 may include:
  • the execution unit is configured to terminate the execution of the transaction if the obtained maximum text similarity value is greater than a threshold value; if the obtained maximum text similarity value is less than or equal to the threshold value, continue to execute the transaction.
  • the embodiment of the present specification obtains multiple address elements based on processing the logistics address information of the user's real-time transaction, and then determines whether to execute the transaction based on the text similarity between the address element in the temporary list and the preset address element in the preset list. It can dynamically capture the fuzzy modification of the logistics address without the need to adjust the keywords, the cost is lower, and better risk control effects can be achieved.
  • FIG. 4 is a schematic structural diagram of a terminal device according to an embodiment of the present specification.
  • the terminal device includes a processor, and optionally includes an internal bus, a network interface, and a memory.
  • the memory may include a memory, such as a high-speed random access memory (Random-Access Memory, RAM), and may also include a non-volatile memory (non-volatile memory), such as at least one disk memory.
  • RAM random access memory
  • non-volatile memory such as at least one disk memory.
  • the terminal device may also include hardware required by other services.
  • the processor, network interface and memory can be connected to each other through an internal bus.
  • the internal bus can be an ISA (Industry Standard Architecture) bus, a PCI (Peripheral Component Interconnect) bus, or an EISA (Extended Industry Standard Architecture (Extended Industry Standard Architecture) bus and so on.
  • the bus can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only a two-way arrow is used in FIG. 4, but it does not mean that there is only one bus or one type of bus.
  • the program may include program code, where the program code includes a computer operation instruction.
  • the memory may include memory and non-volatile memory, and provide instructions and data to the processor.
  • the processor reads the corresponding computer program from the non-volatile memory into the memory and then runs it to form an association device of the resource value-added object and the resource object on a logical level.
  • the processor executes a program stored in the memory, and is specifically used to perform the following operations:
  • Whether to execute the transaction is determined based on the text similarity of the address element.
  • the embodiment of the present specification obtains multiple address elements based on processing the logistics address information of the user's real-time transaction, and then determines whether to execute the transaction based on the text similarity between the address element in the temporary list and the preset address element in the preset list. It can dynamically capture the fuzzy modification of the logistics address without the need to adjust the keywords, the cost is lower, and better risk control effects can be achieved.
  • the above-mentioned risk prevention and control method disclosed in the embodiment shown in FIG. 1 of this specification may be applied to a processor, or implemented by a processor.
  • the processor may be an integrated circuit chip with signal processing capabilities.
  • each step of the above method may be completed by an integrated logic circuit of hardware in a processor or an instruction in a form of software.
  • the above processor may be a general-purpose processor, including a central processing unit (CPU), a network processor (NP), etc .; it may also be a digital signal processor (DSP), special integration Circuit (Application Specific Integrated Circuit, ASIC), Field-Programmable Gate Array (FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components.
  • DSP digital signal processor
  • ASIC Application Specific Integrated Circuit
  • FPGA Field-Programmable Gate Array
  • a general-purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
  • the steps of the method disclosed in combination with one or more embodiments of the present specification may be directly embodied as being executed by a hardware decoding processor, or may be executed and completed by using a combination of hardware and software modules in the decoding processor.
  • a software module may be located in a mature storage medium such as a random access memory, a flash memory, a read-only memory, a programmable read-only memory, or an electrically erasable programmable memory, a register, and the like. The storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.
  • the terminal device may also execute the risk prevention and control method of FIG. 1 performed by the risk prevention and control system of FIG. 3, which is not described in this specification.
  • the terminal device in this specification does not exclude other implementations, such as logical devices or a combination of software and hardware, etc. That is to say, the execution body of the following processing flow is not limited to each logical unit It can also be a hardware or logic device.
  • the embodiments of the present specification also provide a computer-readable storage medium.
  • a computer program is stored on the computer-readable storage medium.
  • the computer-readable storage medium is, for example, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk.
  • These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing device to work in a particular manner such that the instructions stored in the computer-readable memory produce a manufactured article including a system of instructions, the instructions
  • the system implements the functions specified in one or more flowcharts and / or one or more blocks of the block diagram.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device, so that a series of steps can be performed on the computer or other programmable device to produce a computer-implemented process, which can be executed on the computer or other programmable device.
  • the instructions provide steps for implementing the functions specified in one or more flowcharts and / or one or more blocks of the block diagrams.
  • a computing device includes one or more processors (CPUs), input / output interfaces, network interfaces, and memory.
  • processors CPUs
  • input / output interfaces output interfaces
  • network interfaces network interfaces
  • memory volatile and non-volatile memory
  • Memory may include non-persistent memory, random access memory (RAM), and / or non-volatile memory in computer-readable media, such as read-only memory (ROM) or flash memory (flash RAM). Memory is an example of a computer-readable medium.
  • RAM random access memory
  • ROM read-only memory
  • flash RAM flash memory
  • Computer-readable media includes permanent and non-persistent, removable and non-removable media.
  • Information storage can be accomplished by any method or technology.
  • Information may be computer-readable instructions, data structures, modules of a program, or other data.
  • Examples of computer storage media include, but are not limited to, phase change memory (PRAM), static random access memory (SRAM), dynamic random access memory (DRAM), other types of random access memory (RAM), and read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), flash memory or other memory technologies, read-only disc read-only memory (CD-ROM), digital versatile disc (DVD) or other optical storage, Magnetic tape cartridges, magnetic tape storage or other magnetic storage devices or any other non-transmitting medium may be used to store information that can be accessed by a computing device.
  • computer-readable media does not include temporary computer-readable media, such as modulated data signals and carrier waves.

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Abstract

本说明书实施例提供一种风险防控方法、系统及终端设备,该风险防控方法包括:基于对用户进行实时交易的物流地址信息进行处理得到多个地址元素;确定临时列表中的地址元素与预设列表中的预设地址元素的文本相似度,所述临时列表用于标记所述多个地址元素;基于所述地址元素的文本相似度,确定是否执行所述交易。

Description

一种风险防控方法、系统及终端设备 技术领域
本说明书实施例涉及信息安全技术领域,尤其涉及一种风险防控方法、系统及终端设备。
背景技术
在国际物流的风险防控场景中,当被盗用的银行卡的发卡国家与使用该银行卡购买的商品所运往的国家(为了便于描述,简称为物流国家)不同时,为了尽可能掩盖盗用行为,有些盗用者会将物流国家伪装为被盗银行卡的发卡国家,同时,具体的物流地址填写的相对模糊,如在州或城市名称上增减字母,或在州或城市名称上添加特殊字符等。
现有的风险防控方法是对物流地址进行拦截,通过识别物流地址的州或城市中的关键字进行风险防控。但是,盗用者可以通过对物流地址的州或城市名称进行简单修改,来绕过风险防控系统的关键字识别,需要不断对关键字进行调整来达到风险防控的目的,成本较大。
发明内容
本说明书实施例提供一种风险防控方法、系统及终端设备,以解决现有技术中的风险防控方法需要不断对关键字进行调整来达到风险防控的目的,所带来的成本较大的问题。
本说明书实施例采用下述技术方案:
第一方面,提供了一种风险防控方法,包括:
基于对用户进行实时交易的物流地址信息进行处理得到多个地址元素;
确定临时列表中的地址元素与预设列表中的预设地址元素的文本相似度,所述临时列表用于标记所述多个地址元素;
基于所述地址元素的文本相似度,确定是否执行所述交易。
第二方面,提供了一种风险防控系统,包括:
处理模块,用于基于对用户进行实时交易的物流地址信息进行处理得到多个地址元 素;
第一确定模块,用于确定临时列表中的地址元素与预设列表中的预设地址元素的文本相似度,所述临时列表用于标记所述多个地址元素;
第二确定模块,用于基于所述地址元素的文本相似度,确定是否执行所述交易。
第三方面,提供了一种终端设备,包括:存储器、处理器及存储在所述存储器上并可在所述处理器上运行的计算机程序,所述计算机程序被所述处理器执行时实现如下步骤:
基于对用户进行实时交易的物流地址信息进行处理得到多个地址元素;
确定临时列表中的地址元素与预设列表中的预设地址元素的文本相似度,所述临时列表用于标记所述多个地址元素;
基于所述地址元素的文本相似度,确定是否执行所述交易。
第四方面,提供了一种计算机可读存储介质,所述计算机可读存储介质上存储有计算机程序,所述计算机程序被处理器执行时实现如下步骤:
基于对用户进行实时交易的物流地址信息进行处理得到多个地址元素;
确定临时列表中的地址元素与预设列表中的预设地址元素的文本相似度,所述临时列表用于标记所述多个地址元素;
基于所述地址元素的文本相似度,确定是否执行所述交易。
本说明书实施例采用的上述至少一个技术方案能够达到以下有益效果:
本说明书实施例基于对用户进行实时交易的物流地址信息进行处理得到多个地址元素,再基于临时列表中的地址元素与预设列表中的预设地址元素的文本相似度,确定是否执行交易,能够动态捕捉物流地址的模糊修改,无需对关键字进行调整,成本较低,能够达到更好的风控效果。
附图说明
此处所说明的附图用来提供对本说明书的进一步理解,构成本说明书的一部分,本说明书的示意性实施例及其说明用于解释本说明书,并不构成对本说明书的不当限定。在附图中:
图1为本说明书的一个实施例提供的风险防控方法的流程图;
图2为本说明书的一个实施例提供的风险防控方法的实际应用场景实现流程示意图;
图3为本说明书的一个实施例提供的风险防控系统的结构框图;
图4为本说明书的一个实施例提供的终端设备的结构框图。
具体实施方式
为使本说明书的目的、技术方案和优点更加清楚,下面将结合本说明书具体实施例及相应的附图对本说明书技术方案进行清楚、完整地描述。显然,所描述的实施例仅是本说明书一部分实施例,而不是全部的实施例。基于本说明书中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本说明书保护的范围。
本说明书实施例提供一种风险防控方法、系统及终端设备,以解决现有技术中的风险防控方法需要不断对关键字进行调整来达到风险防控的目的,所带来的成本较大的问题。本说明书实施例提供一种风险防控方法,该方法的执行主体,可以但不限于终端设备或能够被配置为执行本说明书实施例提供的该方法的装置或系统。
为便于描述,下文以该方法的执行主体为能够执行该方法的终端设备为例,对该方法的实施方式进行介绍。可以理解,该方法的执行主体为终端设备只是一种示例性的说明,并不应理解为对该方法的限定。
本说明书实施例提供的风险防控方法可以应用于国际物流或国内物流,本说明书实施例以应用于国际物流为例进行详细说明。
图1为本说明书实施例提供的风险防控方法的流程图,图1的方法可以由终端设备执行。如图1所示,该方法可以包括:
步骤110、基于对用户进行实时交易的物流地址信息进行处理得到多个地址元素。
其中,对用户进行实时交易的物流地址信息进行处理得到多个地址元素,具体实现可以为:
对用户进行实时交易的物流地址信息进行拆分,得到多个地址元素;或者,对用户进行实时交易的物流地址信息进行重组,得到多个地址元素。
步骤120、确定临时列表中的地址元素与预设列表中的预设地址元素的文本相似度。
该临时列表由多个地址元素创建而成的,该临时列表用于标记所述多个地址元素。
该预设地址元素可以指正确的物流地址中的各个组成部分。
该预设列表是由锁个预设地址元素创建而成的。
在本说明书实施例中,确定临时列表中的地址元素与预设列表中的预设地址元素的文本相似度,实现方式可以包括以下几种:
第一,通过文本编辑距离算法,确定临时列表中的地址元素与预设列表中的预设地址元素的文本相似度;
第二,通过夹角余弦算法,确定临时列表中的地址元素与预设列表中的预设地址元素的文本相似度;
第三,通过欧几里得距离算法,确定临时列表中的地址元素与预设列表中的预设地址元素的文本相似度。
步骤130、基于所述地址元素的文本相似度,确定是否执行所述交易。
其中,基于地址元素的文本相似度,确定是否执行所述交易,具体可以为:若地址元素的文本相似度值大于阈值,则终止执行交易;若地址元素的文本相似度值小于等于阈值,则继续执行交易。
本说明书实施例基于对用户进行实时交易的物流地址信息进行处理得到多个地址元素,再基于临时列表中的地址元素与预设列表中的预设地址元素的文本相似度,确定是否执行交易,能够动态捕捉物流地址的模糊修改,无需对关键字进行调整,成本较低,能够达到更好的风控效果。
可选的,作为一个实施例,步骤120具体可实现为:
基于所述地址元素对应的字符串转换成所述预设地址元素对应的字符串所需的最少编辑操作次数,确定临时列表中的地址元素与预设列表中的预设地址元素的文本相似度。
示例性的,以地址元素为Cohinnd,预设地址元素为China为例:
需要计算Cohinnd和China的编辑距离:Cohinnd→Cohinna→Cohina→China
首先,创建7×9的表1(Cohinnd长度为7,China长度为5,各加2)
表1
    C h i n a
             
C            
o            
h            
i            
n            
n            
a            
然后,如下位置填入数字,如表2所示:
表2
    C h i n a
  0 1 2 3 4 5
C 1          
o 2          
h 3          
i 4          
n 5          
n 6          
a 7          
从3,3格开始,开始计算。取以下三个值的最小值:
如果最上方的字符等于最左方的字符,则为左上方的数字。否则为左上方的数字+1。(对于3,3来说为1)
左方数字+1(对于3,3格来说为2)
上方数字+1(对于3,3格来说为2)
因此,3,3格为0,如表3所示:
表3
    C h i n a
  0 1 2 3 4 5
C 1 0        
o 2          
h 3          
i 4          
n 5          
n 6          
a 7          
从3,4(三行四列)格开始,开始计算。取以下三个值的最小值:
如果最上方的字符等于最左方的字符,则为左上方的数字。否则为左上方的数字+1。(对于3,4来说为2)
左方数字+1(对于3,4格来说为1)
上方数字+1(对于3,4格来说为3)
因此,格3,4为1,如表4所示:
表4
    C h i n a
  0 1 2 3 4 5
C 1 0 1      
o 2          
h 3          
i 4          
n 5          
n 6          
a 7          
循环操作,得到表5
表5
    C h i n a
  0 1 2 3 4 5
C 1 0 1 2 3 4
o 2 1 1 2 3 4
h 3 2 1 2 3 4
i 4 3 2 1 2 3
n 5 4 3 2 1 2
n 6 5 4 3 2 2
a 7 6 5 4 3 2
取右下角,得编辑距离为2。
本说明书实施例基于地址元素对应的字符串转换成预设地址元素对应的字符串所需的最少编辑操作次数,确定临时列表中的地址元素与预设列表中的预设地址元素的文本相似度,可以动态捕捉地址元素的修改,从而更好的达到风控效果。
可选的,作为一个实施例,步骤120具体可实现为:
基于所述临时列表中的地址元素和所述预设列表中的预设地址元素,分别建立与地址元素和预设地址元素对应的向量;
基于所述地址元素和预设地址元素对应的向量的余弦值,确定临时列表中的地址元素与预设列表中的预设地址元素的文本相似度。
示例性的,对于二维空间,假设地址元素和预设地址元素对应的向量分别为a、b,显然可以得知:
Figure PCTCN2019090685-appb-000001
假设向量a、b的坐标分别为(x 1,y 1)、(x 2,y 2)。则:
Figure PCTCN2019090685-appb-000002
其中,余弦值的范围在[-1,1]之间,值越趋近于1,代表两个向量的方向越接近,即地址元素和预设地址元素越相似,相似度值越小;越趋近于-1,他们的方向越相反,即地址元素和预设地址元素越不同,相似度值越大。
本说明书实施例基于临时列表中的地址元素和预设列表中的预设地址元素,分别建立与地址元素和预设地址元素对应的向量;基于地址元素和预设地址元素对应的向量的余弦值,确定临时列表中的地址元素与预设列表中的预设地址元素的文本相似度,可以动态捕捉地址元素的修改,从而更好的达到风控效果。
可选的,作为一个实施例,步骤110具体可实现为:
以分隔符为拆分节点,将用户进行实时交易的物流地址信息进行拆分,得到多个地址元素。
该分隔符可以为常用分隔符,该常用分隔符可以为空格、下划线、逗号、分号。示例性的,常用分隔符(“-”,“_”,“,”,“”)。
示例性的,假设物流地址为China Beijing chaoyangqu,则以分隔符为拆分节点,将用户进行实时交易的物流地址信息进行拆分后,得到多个地址元素分别为China、Beijing、chaoyangqu。
本说明书实施例通过以分隔符为拆分节点,将用户进行实时交易的物流地址信息进行拆分,以对物流地址信息进行简单的拆分,得到该物流地址的各个元素,以便于后续对各个元素进行文本相似度确定,无需进行任何调整即可实时对各个元素的模糊修改进行捕捉,为达到更好的风控效果奠定基础。
可选的,作为一个实施例,在执行步骤110之前,本说明书实施例提供的风险防控方法还可以包括:
在基于对用户进行实时交易的物流地址信息进行处理得到多个地址元素之前,还包括:
获取用户进行实时交易的交易数据;
若所述交易数据满足风险条件,则确定所述交易数据对应的交易为风险交易;所述风险条件为具有盗用交易信息行为的条件;
步骤110具体可实现为:
基于所述风险交易的物流地址信息进行处理得到多个地址元。
本说明书实施例通过对用户进行实时交易的交易数据进行筛选,筛选出具有风险的交易(即风险交易),并基于风险交易的物流地址信息进行处理得到多个地址元,使得对进行实时交易的交易数据进行初步筛选,减少数据量,减少内存的占用空间,提高效率。
可选的,作为一个实施例,步骤130具体可实现为:
若得到的最大的文本相似度值大于阈值,则终止执行所述交易;
若得到的最大的文本相似度值小于等于阈值,则继续执行所述交易。
本说明书实施例中,通过在多个地址元素中选取文本相似度值最大的,若最大的文本相似度值大于阈值,则终止执行所述交易;若最大的文本相似度值大于阈值,则终止执行所述交易,可以动态捕捉地址元素的模糊修改,可以根据地址元素的模糊修改实时判定是否执行交易,提高了安全性,能够达到更好的风控效果。
下面将结合具体的实施例,对本发明实施例的方法做进一步的描述。
图2示出了本发明实施例提供的业务的风险防控方法在实际应用场景下的流程图;
具体地说,如图2所示:
在210,获取用户进行实时交易的交易数据;
在220,若所述交易数据满足风险条件,则确定所述交易数据对应的交易为风险交易;所述风险条件为具有盗用交易信息行为的条件;
在230,基于所述风险交易的物流地址信息进行处理得到多个地址元素;
其中,对用户进行实时交易的物流地址信息进行处理得到多个地址元素,具体实现可以为:对用户进行实时交易的物流地址信息进行拆分,得到多个地址元素;或者,对用户进行实时交易的物流地址信息进行重组,得到多个地址元素。
在240,基于多个地址元素创建临时列表;
在250,基于所述地址元素对应的字符串转换成所述预设地址元素对应的字符串所需的最少编辑操作次数,确定临时列表中的地址元素与预设列表中的预设地址元素的文本相似度。
在260,对计算出的所有地址元素的文本相似度值,取最大的文本相似度值;
在270,将取得的最大的文本相似度值与阈值进行比较,确定最大的文本相似度值是否大于阈值;
在280,若得到的最大的文本相似度值大于阈值,则终止执行所述交易;
在290,若得到的最大的文本相似度值小于等于阈值,则继续执行交易。
本说明书实施例中的各个步骤的具体实现及对应的有益效果详见上述实施例中的相关内容,本说明书实施例不再赘述。
本说明书实施例基于对用户进行实时交易的物流地址信息进行处理得到多个地址元素,再基于临时列表中的地址元素与预设列表中的预设地址元素的文本相似度,确定是否执行交易,能够动态捕捉物流地址的模糊修改,无需对关键字进行调整,成本较低,能够达到更好的风控效果。
以上,结合图1至图2详细说明了本说明书实施例的风险防控方法,下面,结合图3,详细说明本说明书实施例的风险防控系统。
图3示出了本说明书实施例提供的风险防控系统的结构示意图,如图3所示,该风险防控系统300可以包括:
处理模块310,用于基于对用户进行实时交易的物流地址信息进行处理得到多个地址元素;
第一确定模块320,用于确定临时列表中的地址元素与预设列表中的预设地址元素的文本相似度,所述临时列表用于标记所述多个地址元素;
第二确定模块330,用于基于所述地址元素的文本相似度,确定是否执行所述交易。
在一种实施例中,所述第一确定模块320可以包括:
第一确定单元,用于基于所述地址元素对应的字符串转换成所述预设地址元素对应的字符串所需的最少编辑操作次数,确定临时列表中的地址元素与预设列表中的预设地址元素的文本相似度。
在一种实施例中,所述第一确定模块320可以包括:
建立单元,用于基于所述临时列表中的地址元素和所述预设列表中的预设地址元素,分别建立与地址元素和预设地址元素对应的向量;
第二确定单元,用于基于所述地址元素和预设地址元素对应的向量的余弦值,确定临时列表中的地址元素与预设列表中的预设地址元素的文本相似度。
在一种实施例中,所述处理模块310可以包括:
拆分单元,用于以分隔符为拆分节点,将用户进行实时交易的物流地址信息进行拆分,得到多个地址元素。
在一种实施例中,风险防控系统300还可以包括:
获取模块340,用于获取用户进行实时交易的交易数据;
第三确定模块350,用于若所述交易数据满足风险条件,则确定所述交易数据对应的交易为风险交易;所述风险条件为具有盗用交易信息行为的条件;
处理模块310可以包括:处理单元,用于基于所述风险交易的物流地址信息进行处理得到多个地址元素。
在一种实施例中,所述第二确定模块330可以包括:
执行单元,用于若得到的最大的文本相似度值大于阈值,则终止执行所述交易;若得到的最大的文本相似度值小于等于阈值,则继续执行所述交易。
本说明书实施例基于对用户进行实时交易的物流地址信息进行处理得到多个地址元素,再基于临时列表中的地址元素与预设列表中的预设地址元素的文本相似度,确定是否执行交易,能够动态捕捉物流地址的模糊修改,无需对关键字进行调整,成本较低,能够达到更好的风控效果。
图4是本说明书的一个实施例提供的终端设备的结构示意图。请参考图4,在硬件层面,该终端设备包括处理器,可选地还包括内部总线、网络接口、存储器。其中,存储器可能包含内存,例如高速随机存取存储器(Random-Access Memory,RAM),也可能还包括非易失性存储器(non-volatile memory),例如至少1个磁盘存储器等。当然,该终端设备还可能包括其他业务所需要的硬件。
处理器、网络接口和存储器可以通过内部总线相互连接,该内部总线可以是ISA(Industry Standard Architecture,工业标准体系结构)总线、PCI(Peripheral Component Interconnect,外设部件互连标准)总线或EISA(Extended Industry Standard Architecture,扩展工业标准结构)总线等。所述总线可以分为地址总线、数据总线、控制总线等。为便于表示,图4中仅用一个双向箭头表示,但并不表示仅有一根总线或一种类型的总线。
存储器,用于存放程序。具体地,程序可以包括程序代码,所述程序代码包括计算机操作指令。存储器可以包括内存和非易失性存储器,并向处理器提供指令和数据。
处理器从非易失性存储器中读取对应的计算机程序到内存中然后运行,在逻辑层面上形成资源增值对象与资源对象的关联装置。处理器,执行存储器所存放的程序,并具体用于执行以下操作:
基于对用户进行实时交易的物流地址信息进行处理得到多个地址元素;
确定临时列表中的地址元素与预设列表中的预设地址元素的文本相似度,所述临时列表用于标记所述多个地址元素;
基于所述地址元素的文本相似度,确定是否执行所述交易。
本说明书实施例基于对用户进行实时交易的物流地址信息进行处理得到多个地址元素,再基于临时列表中的地址元素与预设列表中的预设地址元素的文本相似度,确定是否执行交易,能够动态捕捉物流地址的模糊修改,无需对关键字进行调整,成本较低,能够达到更好的风控效果。
上述如本说明书图1所示实施例揭示的风险防控方法可以应用于处理器中,或者由处理器实现。处理器可能是一种集成电路芯片,具有信号的处理能力。在实现过程中,上述方法的各步骤可以通过处理器中的硬件的集成逻辑电路或者软件形式的指令完成。上述的处理器可以是通用处理器,包括中央处理器(Central Processing Unit,CPU)、网络处理器(Network Processor,NP)等;还可以是数字信号处理器(Digital Signal Processor,DSP)、专用集成电路(Application Specific Integrated Circuit,ASIC)、现场可编程门阵列(Field-Programmable Gate Array,FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件。可以实现或者执行本说明书一个或多个实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。结合本说明书一个或多个实施例所公开的方法的步骤可以直接体现为硬件译码处理器执行完成,或者用译码处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器,闪存、只读存储器,可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器,处理器读取存储器中的信息,结合其硬件完成上述方法的步骤。
该终端设备还可执行图3的风险防控系统所执行图1的风险防控方法,本说明书在此不再赘述。
当然,除了软件实现方式之外,本说明书的终端设备并不排除其他实现方式,比如逻辑器件抑或软硬件结合的方式等等,也就是说以下处理流程的执行主体并不限定于各个逻辑单元,也可以是硬件或逻辑器件。
本说明书实施例还提供一种计算机可读存储介质,计算机可读存储介质上存储有计算机程序,该计算机程序被处理器执行时实现上述各个方法实施例的各个过程,且能达到相同的技术效果,为避免重复,这里不再赘述。其中,所述的计算机可读存储介质,如只读存储器(Read-Only Memory,简称ROM)、随机存取存储器(Random Access Memory,简称RAM)、磁碟或者光盘等。
本领域内的技术人员应明白,本说明书的实施例可提供为方法、系统、或计算机程序产品。因此,本说明书可采用完全硬件实施例、完全软件实施例、或结合软件和硬件方面的实施例的形式。而且,本说明书可采用在一个或多个其中包含有计算机可用程序代码的计算机可用存储介质(包括但不限于磁盘存储器、CD-ROM、光学存储器等)上实施的计算机程序产品的形式。
本说明书是参照根据本说明书实施例的方法、设备(系统)、和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机程序指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器,使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的系统。
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理设备以特定方式工作的计算机可读存储器中,使得存储在该计算机可读存储器中的指令产生包括指令系统的制造品,该指令系统实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。
这些计算机程序指令也可装载到计算机或其他可编程数据处理设备上,使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的处理,从而在计算机或其他可编程设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。
在一个典型的配置中,计算设备包括一个或多个处理器(CPU)、输入/输出接口、 网络接口和内存。
内存可能包括计算机可读介质中的非永久性存储器,随机存取存储器(RAM)和/或非易失性内存等形式,如只读存储器(ROM)或闪存(flash RAM)。内存是计算机可读介质的示例。
计算机可读介质包括永久性和非永久性、可移动和非可移动媒体可以由任何方法或技术来实现信息存储。信息可以是计算机可读指令、数据结构、程序的模块或其他数据。计算机的存储介质的例子包括,但不限于相变内存(PRAM)、静态随机存取存储器(SRAM)、动态随机存取存储器(DRAM)、其他类型的随机存取存储器(RAM)、只读存储器(ROM)、电可擦除可编程只读存储器(EEPROM)、快闪记忆体或其他内存技术、只读光盘只读存储器(CD-ROM)、数字多功能光盘(DVD)或其他光学存储、磁盒式磁带,磁带磁磁盘存储或其他磁性存储设备或任何其他非传输介质,可用于存储可以被计算设备访问的信息。按照本文中的界定,计算机可读介质不包括暂存电脑可读媒体(transitory media),如调制的数据信号和载波。
上述对说明书特定实施例进行了描述。其它实施例在所附权利要求书的范围内。在一些情况下,在权利要求书中记载的动作或步骤可以按照不同于实施例中的顺序来执行并且仍然可以实现期望的结果。另外,在附图中描绘的过程不一定要求示出的特定顺序或者连续顺序才能实现期望的结果。在某些实施方式中,多任务处理和并行处理也是可以的或者可能是有利的。
还需要说明的是,术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含,从而使得包括一系列要素的过程、方法、商品或者设备不仅包括那些要素,而且还包括没有明确列出的其他要素,或者是还包括为这种过程、方法、商品或者设备所固有的要素。在没有更多限制的情况下,由语句“包括一个……”限定的要素,并不排除在包括要素的过程、方法、商品或者设备中还存在另外的相同要素。
以上仅为本说明书的实施例而已,并不用于限制本说明书。对于本领域技术人员来说,本说明书可以有各种更改和变化。凡在本说明书的精神和原理之内所作的任何修改、等同替换、改进等,均应包含在本说明书的权利要求范围之内。

Claims (10)

  1. 一种风险防控方法,包括:
    基于对用户进行实时交易的物流地址信息进行处理得到多个地址元素;
    确定临时列表中的地址元素与预设列表中的预设地址元素的文本相似度,所述临时列表用于标记所述多个地址元素;
    基于所述地址元素的文本相似度,确定是否执行所述交易。
  2. 如权利要求1所述的方法,所述确定临时列表中的地址元素与预设列表中的预设地址元素的文本相似度,包括:
    基于所述地址元素对应的字符串转换成所述预设地址元素对应的字符串所需的最少编辑操作次数,确定临时列表中的地址元素与预设列表中的预设地址元素的文本相似度。
  3. 如权利要求1所述的方法,所述确定临时列表中的地址元素与预设列表中的预设地址元素的文本相似度,包括:
    基于所述临时列表中的地址元素和所述预设列表中的预设地址元素,分别建立与地址元素和预设地址元素对应的向量;
    基于所述地址元素和预设地址元素对应的向量的余弦值,确定临时列表中的地址元素与预设列表中的预设地址元素的文本相似度。
  4. 如权利要求1所述的方法,所述基于对用户进行实时交易的物流地址信息进行处理得到多个地址元素,包括:
    以分隔符为拆分节点,将用户进行实时交易的物流地址信息进行拆分,得到多个地址元素。
  5. 如权利要求1所述的方法,在基于对用户进行实时交易的物流地址信息进行处理得到多个地址元素之前,还包括:
    获取用户进行实时交易的交易数据;
    若所述交易数据满足风险条件,则确定所述交易数据对应的交易为风险交易;所述风险条件为具有盗用交易信息行为的条件;
    所述基于对用户进行实时交易的物流地址信息进行处理得到多个地址元素,包括:
    基于所述风险交易的物流地址信息进行处理得到多个地址元素。
  6. 如权利要求1所述的方法,所述基于所述地址元素的文本相似度,确定是否执行所述交易,包括:
    若得到的最大的文本相似度值大于阈值,则终止执行所述交易。
  7. 如权利要求1所述的方法,所述基于所述地址元素的文本相似度,确定是否执行所述交易,包括:
    若得到的最大的文本相似度值小于等于阈值,则继续执行所述交易。
  8. 一种风险防控系统,包括:
    处理模块,用于基于对用户进行实时交易的物流地址信息进行处理得到多个地址元素;
    第一确定模块,用于确定临时列表中的地址元素与预设列表中的预设地址元素的文本相似度,所述临时列表用于标记所述多个地址元素;
    第二确定模块,用于基于所述地址元素的文本相似度,确定是否执行所述交易。
  9. 一种终端设备,包括:存储器、处理器及存储在所述存储器上并可在所述处理器上运行的计算机程序,所述计算机程序被所述处理器执行时实现如下步骤:
    基于对用户进行实时交易的物流地址信息进行处理得到多个地址元素;
    确定临时列表中的地址元素与预设列表中的预设地址元素的文本相似度,所述临时列表用于标记所述多个地址元素;
    基于所述地址元素的文本相似度,确定是否执行所述交易。
  10. 一种计算机可读存储介质,所述计算机可读存储介质上存储有计算机程序,所述计算机程序被处理器执行时实现如下步骤:
    基于对用户进行实时交易的物流地址信息进行处理得到多个地址元素;
    确定临时列表中的地址元素与预设列表中的预设地址元素的文本相似度,所述临时列表用于标记所述多个地址元素;
    基于所述地址元素的文本相似度,确定是否执行所述交易。
PCT/CN2019/090685 2018-07-10 2019-06-11 一种风险防控方法、系统及终端设备 WO2020010982A1 (zh)

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