CN112613913A - Transaction information management method and device, computer equipment and readable storage medium - Google Patents
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Abstract
The invention relates to the technical field of artificial intelligence, and discloses a transaction information management method, a device, computer equipment and a readable storage medium, which comprise the following steps: identifying VIN codes in the query request, segmenting words of text information of the query request to obtain query entries, acquiring standard names of the query entries through an associated dictionary, and acquiring OE codes of the query request from a coding library by combining the VIN codes and the standard names; acquiring query information on the transaction platform according to the OE code, and sending the query information to a price inquiry end; encrypting inquiry information generated by the inquiry end according to the inquiry information, acquiring the inquiry information and decrypting the inquiry information; the price inquiry information is encrypted and sent to the quotation end. The invention also relates to a blockchain technique, where information can be stored in blockchain nodes. The invention avoids the problems that the trading platform can not accurately inquire the inquiry information which accords with the inquiry intention of the user at the price inquiry end, and the acquired inquiry information has poor accuracy and more interference information.
Description
Technical Field
The invention relates to the technical field of artificial intelligence, in particular to a transaction information management method, a transaction information management device, computer equipment and a readable storage medium.
Background
The network transaction platform is a transaction security guarantee platform of a third party and mainly used for guaranteeing the problems of security, integrity and the like of transactions conducted by two parties on the network. The two trading parties (namely the price inquiring end and the price quoting end) can move the off-line trades to the internet to trade on the internet through the trading platform of a third party, and more in the on-line trades, customers can find the needed products on the trading platform to trade.
Currently, a trading platform of an automobile accessory generally adopts a price inquiry end to acquire a price quotation end selling a required product from the trading platform through a keyword search mode, and then sends price inquiry information to the price quotation end so as to carry out commerce and determination on specific price and detail characteristics of the product.
However, the inventor realizes that a large amount of interference information is often searched in such a way, which causes a problem that accessories required by the price inquiry terminal cannot be quickly and accurately searched, and once a colloquial name and a native name are entered when a keyword is entered by the price inquiry terminal, accessory information required by the price inquiry terminal cannot be searched, which further causes poor reliability of a transaction platform.
Disclosure of Invention
The invention aims to provide a transaction information management method, a transaction information management device, computer equipment and a readable storage medium, which are used for solving the problems that in the prior art, a large amount of interference information is searched, so that accessories required by a price inquiry end cannot be quickly and accurately searched, and the accessory information required by the price inquiry end cannot be searched due to the fact that a common name and a local name are recorded.
In order to achieve the above object, the present invention provides a transaction information management method, including:
receiving an inquiry request sent by an inquiry end;
identifying VIN codes in the query request, segmenting words of text information of the query request to obtain query entries, acquiring standard names of the query entries through a preset associated dictionary, and acquiring OE codes of the query request from a preset coding library by combining the VIN codes and the standard names;
acquiring query information on a transaction platform according to the OE code, and sending the query information to the price inquiry end;
encrypting inquiry information generated by the inquiry end according to the inquiry information, acquiring the inquiry information and decrypting the inquiry information;
and encrypting the inquiry information and sending the inquiry information to a quotation end.
In the foregoing solution, the step of identifying the VIN code in the query request includes:
calling a preset VIN code regular expression to obtain a code to be checked from the query request;
verifying the code to be verified through a preset VIN code verification rule, and judging whether the code to be verified passes the verification;
if yes, the code to be checked is judged to be the VIN code;
if not, judging that the query request has errors, and sending an error message to the price inquiring end.
In the above solution, after the sending the query information to the price inquiring terminal, the method further includes:
and acquiring reference data of the query information through a preset reference model, and sending the reference data to the price inquiring end.
In the above scheme, the reference model is created by the following steps:
acquiring historical transaction data of a transaction platform, wherein the historical transaction data comprises an OE code used for describing an accessory code and a transaction price of the accessory;
summarizing historical transaction data consistent with the OE codes to form a reference set;
setting the transaction price with the lowest value in the reference set as a transaction lower limit, setting the transaction price with the highest value as a transaction upper limit to form a transaction interval, and associating the transaction interval with the OE code to serve as reference data of the OE code;
and adding the transaction prices in the reference set, dividing the transaction prices by the number of the historical transaction data in the reference set to obtain a transaction average value, and associating the transaction average value with the OE code to serve as the reference data of the OE code.
In the above scheme, after the price inquiry information is acquired and decrypted, the method further includes:
and loading the reference data into the inquiry information, and sending the backup of the inquiry information to the inquiry end.
In the above scheme, after the price inquiry information is acquired and decrypted, the method further includes:
and acquiring recommendation information associated with the price inquiring information through a preset recommendation model, and sending the recommendation information to the price inquiring terminal.
In the above scheme, the recommendation model is created by the following steps:
creating a first linked list and a second linked list associated with the first linked list according to preset region characteristics and vehicle type characteristics; acquiring an inquiry request received by the transaction platform in a preset monitoring period, identifying regional information of an area where an inquiry terminal is located, which is recorded in the inquiry request, and analyzing a VIN code in the inquiry request to obtain vehicle type information corresponding to the inquiry request;
acquiring region characteristics and vehicle type characteristics consistent with the region information and the vehicle type information, extracting a first linked list corresponding to the region characteristics and the vehicle type characteristics, and extracting text information in the query request;
judging whether the first linked list has record information consistent with the text information;
if yes, the recorded information is promoted to the head position of the first linked list, and the query times corresponding to the recorded information are increased;
if not, inserting the text information into the head position of the first linked list to be used as the recording information of the first linked list; judging whether the tail position of the first linked list has recording information or not; if so, deleting the recording information at the tail position, and sequentially moving the first linked list except the recording information at the head position towards the tail position of the first linked list by one bit; if not, the recorded information of the head position in the first linked list is removed, and the recorded information is moved to the tail position direction of the first linked list for one bit in sequence;
acquiring record information of which the query times exceed a preset query threshold value from the first linked list, and judging whether the second linked list has recommendation information consistent with the record information or not;
if yes, promoting the recommendation information to the head position of the second linked list;
if not, inserting the recording information into the head position of the second linked list to be used as the recommendation information of the second linked list; judging whether the tail position of the second linked list has recommendation information or not; if yes, deleting the recommendation information at the tail position, and sequentially moving the recommendation information except the head position in the second linked list to the tail position of the second linked list for one bit; if not, the recommended information of the head position in the second linked list is removed, and the second linked list is moved to the tail position direction of the second linked list for one bit in sequence;
when the monitoring period is finished, taking the second linked list as a recommendation model of the region characteristic and the vehicle type characteristic;
the step of obtaining recommendation information associated with the price inquiry information through a recommendation model comprises the following steps:
analyzing the VIN code in the price inquiry information to obtain vehicle type information corresponding to the VIN code;
acquiring regional information of a price inquiring end which sends the price inquiring information;
identifying region characteristics and vehicle type characteristics consistent with the region information and the vehicle type information in the recommendation model, acquiring a second linked list corresponding to the region characteristics and the vehicle type characteristics, and extracting recommendation information in the second linked list;
after the extracting of the recommendation information in the second linked list, the method further includes:
and uploading the recommendation information to a block chain.
In order to achieve the above object, the present invention also provides a transaction information management apparatus, comprising:
the input module is used for receiving a query request sent by a price query end;
the target identification module is used for identifying the VIN codes in the query request, segmenting the text information of the query request to obtain query entries, acquiring the standard names of the query entries through a preset associated dictionary, and acquiring the OE codes of the query request from a preset coding library by combining the VIN codes and the standard names;
the information query module is used for acquiring query information on the transaction platform according to the OE code and sending the query information to the price inquiry end;
the security management module is used for encrypting the price inquiry information generated by the price inquiry end according to the inquiry information, acquiring the price inquiry information and decrypting the price inquiry information;
and the quotation module is used for encrypting the inquiry information and sending the inquiry information to a quotation end.
In order to achieve the above object, the present invention further provides a computer device, which includes a memory, a processor, and a computer program stored on the memory and executable on the processor, wherein the processor of the computer device implements the steps of the above transaction information management method when executing the computer program.
To achieve the above object, the present invention further provides a computer-readable storage medium, having a computer program stored thereon, where the computer program stored in the computer-readable storage medium, when executed by a processor, implements the steps of the above transaction information management method.
According to the transaction information management method, the transaction information management device, the computer equipment and the readable storage medium, the VIN code in the query request is identified, the text information of the query request is segmented to obtain the query entry, the canonical name of the query entry is obtained, and the OE code of the query request is obtained from the preset coding library by combining the VIN code and the canonical name, so that the query request sent by the price inquiry end can be ensured to obtain the OE code which can uniquely identify the OE code of the VIN corresponding to the OE code of the vehicle, and the problem that a transaction platform cannot accurately query the query information which meets the query intention of a price inquiry end user due to the possibility of using a common name or a native name of an accessory when the query request is input by the price inquiry end user is avoided;
and inquiring on the trading platform through the OE code to obtain inquiry information, wherein the inquiry information is an offer list of an offer end which sells accessories corresponding to the OE code, and then the inquiry information is sent to the offer end, so that the problems of poor accuracy of the obtained inquiry information, more interference information and the like caused by inquiring on the trading platform through texts are avoided.
Drawings
FIG. 1 is a flowchart of a first embodiment of a transaction information management method of the present invention;
FIG. 2 is a schematic diagram of an environment application of a transaction information management method according to a second embodiment of the transaction information management method of the present invention;
FIG. 3 is a flowchart of a detailed method of a transaction information management method according to a second embodiment of the transaction information management method of the present invention;
FIG. 4 is a block diagram of a third embodiment of a transaction information management device;
fig. 5 is a schematic diagram of a hardware structure of a computer device according to a fourth embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a transaction information management method, a device, computer equipment and a readable storage medium, which are suitable for the technical field of artificial intelligent semantic analysis and provide the transaction information management method based on an input module, a target identification module, an information query module, a safety management module and a quotation module. The method comprises the steps of identifying VIN codes in query requests, segmenting text information of the query requests to obtain query entries, obtaining standard names of the query entries through a preset associated dictionary, and obtaining OE codes of the query requests from a preset coding library by combining the VIN codes and the standard names; acquiring query information on a transaction platform according to the OE code, and sending the query information to the price inquiry end; encrypting inquiry information generated by the inquiry end according to the inquiry information, acquiring the inquiry information and decrypting the inquiry information; and encrypting the inquiry information and sending the inquiry information to a quotation end.
The first embodiment is as follows:
referring to fig. 1, a transaction information management method of this embodiment is used for performing standardized management on interaction information of a price inquiry end and a quotation end in a transaction platform to ensure that the price inquiry end can accurately inquire the required quotation end, and includes:
s101: and receiving the query request sent by the query end.
S102: and identifying the VIN code in the query request, segmenting the text information of the query request to obtain a query entry, acquiring the standard name of the query entry through a preset associated dictionary, and acquiring the OE code of the query request from a preset code library by combining the VIN code and the standard name.
S103: and acquiring query information on a transaction platform according to the OE code, and sending the query information to the price inquiring end.
S105: and encrypting the inquiry information generated by the inquiry end according to the inquiry information, acquiring the inquiry information and decrypting the inquiry information.
S108: and encrypting the inquiry information and sending the inquiry information to a quotation end.
In an exemplary embodiment, the inquiry request at least comprises a VIN code and text information, wherein the VIN code is the frame number of the vehicle to be inquired by the inquiry terminal, and the text information is description information of the inquiry terminal on the required accessories.
When a user of the price inquiring end inputs an inquiry request, a common name or a local name of an accessory can be used, so that the trading platform cannot accurately inquire inquiry information which accords with the inquiry intention of the user of the price inquiring end; the method comprises the steps of identifying VIN codes in query requests through a preset regular expression, segmenting text information of the query requests through a maximum matching algorithm to obtain query entries, segmenting the text information of the query requests to obtain query entries, obtaining standard names of the query entries through a preset associated dictionary, and obtaining OE codes of the query requests from a preset coding library by combining the VIN codes and the standard names so as to ensure that the query requests sent by a price inquiry end can obtain OE codes which can uniquely identify OE codes of vehicles corresponding to the VIN codes.
And inquiring on the trading platform through the OE code to obtain inquiry information, wherein the inquiry information is an offer list of an offer end for selling accessories corresponding to the OE code, and then the inquiry information is sent to the offer end, so that the problems of poor accuracy of the obtained inquiry information, more interference information and the like caused by inquiring on the trading platform through texts are avoided.
And encrypting the inquiry information generated by the inquiry end according to the inquiry information through an encryption algorithm, acquiring the inquiry information and decrypting the inquiry information so as to ensure the security of the inquiry information in the transmission process. Further, the price inquiry information includes the VIN code, the OE code, a price quotation end selected by the price inquiry end, and feature description information, where the feature description information is a style, a material, a color, and the like of an accessory corresponding to the OE code.
The price inquiring information is encrypted through an encryption algorithm, so that the price inquiring information is decrypted through a key obtained in advance by the quotation end, the content of the price inquiring information is obtained, and the safety of the price inquiring information in the communication process is guaranteed.
Example two:
the embodiment is a specific application scenario of the first embodiment, and the method provided by the present invention can be more clearly and specifically explained through the embodiment.
The following describes the method provided in this embodiment specifically, by taking an example that, in a server running a transaction information management method, an OE code is obtained by identifying a VIN code and text information in an inquiry request, and inquiry information is acquired on a transaction platform according to the OE code. It should be noted that the present embodiment is only exemplary, and does not limit the protection scope of the embodiments of the present invention.
Fig. 2 schematically shows an environment application diagram of the transaction information management method according to the second embodiment of the present application.
In an exemplary embodiment, the server 2 in which the transaction information management method is located is respectively connected with the price inquiry end 3 and the price quotation end 4 through a network; the server 2 may provide services through one or more networks, which may include various network devices, such as routers, switches, multiplexers, hubs, modems, bridges, repeaters, firewalls, proxy devices, and/or the like. The network may include physical links, such as coaxial cable links, twisted pair cable links, fiber optic links, combinations thereof, and/or the like. The network may include wireless links, such as cellular links, satellite links, Wi-Fi links, and/or the like; the price inquiring end 3 and the price quoting end 4 can be computer equipment such as a smart phone, a tablet computer, a notebook computer, a desktop computer and the like.
Fig. 3 is a flowchart of a detailed method of a transaction information management method according to an embodiment of the present invention, which specifically includes steps S201 to S208.
S201: and receiving the query request sent by the query end.
In this step, the inquiry request at least includes a VIN code and text information, the VIN code is a frame number of a vehicle to be inquired by the inquiry terminal, and the text information is description information of accessories required by the inquiry terminal.
S202: and identifying the VIN code in the query request, segmenting the text information of the query request to obtain a query entry, acquiring the standard name of the query entry through a preset associated dictionary, and acquiring the OE code of the query request from a preset code library by combining the VIN code and the standard name.
When a user of the price inquiring end inputs an inquiry request, a common name or a local name of an accessory can be used, so that the trading platform cannot accurately inquire inquiry information which accords with the inquiry intention of the user of the price inquiring end; therefore, in order to ensure that an inquiry request sent by a price inquiry end can obtain an OE code capable of uniquely identifying an OE code of a vehicle corresponding to a VIN code, the VIN code in the inquiry request is identified through a preset regular expression, the text information of the inquiry request is segmented through a maximum matching algorithm to obtain an inquiry entry, the text information of the inquiry request is segmented to obtain an inquiry entry, a standard name of the inquiry entry is obtained through a preset associated dictionary, and the OE code of the inquiry request is obtained from a preset code library by combining the VIN code and the standard name.
In this embodiment, the association dictionary includes an OE code, and a VIN code, a canonical name, and a secular name associated with the OE code, where the canonical name is a scientific name of an accessory, and the secular name is a trivial name or a native name of the accessory.
It should be noted that the maximum matching refers to taking the dictionary as a basis, taking the longest word in the dictionary as the scanning string of the first word taking number, and scanning in the dictionary (in order to improve the scanning efficiency, a plurality of dictionaries may be designed according to the number of data words, and then scanning from different dictionaries according to the number of words).
In this embodiment, any sub-algorithm in the maximum matching algorithm may be used to perform word segmentation on the text information of the query request to obtain a query entry, where the sub-algorithm of the maximum matching algorithm includes: a forward maximum matching sub-algorithm, a reverse maximum matching sub-algorithm, and a bi-directional matching sub-algorithm.
In a preferred embodiment, the step of identifying the VIN code in the inquiry request includes:
s21: calling a preset VIN code regular expression to obtain a code to be checked from the query request;
in this step, the VIN code is a Vehicle Identification Number (VIN for short), which is sometimes called a frame Number, and is a group of 17 english or numbers, and can identify the manufacturer of the Vehicle, the engine, the chassis serial Number, and other performance data. Since the English letters "I", "O" and "Q" are not used in order to avoid confusion with the numbers 1 and 0; each group of VIN is unique and will not repeat.
Thus, the VIN code regular expression may be expressed as follows:
/^[A-HJ-NPR-Z\d]{17}$/
s22: verifying the code to be verified through a preset VIN code verification rule, and judging whether the code to be verified passes the verification;
in this step, different manufacturers, brands and types are suitable for different VIN code check rules, so that the VIN code check rules have label information expressing the manufacturers, brands and types suitable for the VIN code check rules; identifying a code value of 1-3 bits of a code to be verified, wherein the code value reflects a manufacturer, a brand and a type of the code to be verified; and identifying the marking information matched with the code value, extracting a VIN (vehicle identification number) code check rule corresponding to the marking information, and checking the code to be checked through the VIN code check rule.
S23: if yes, the code to be checked is judged to be the VIN code;
s24: if not, judging that the query request has errors, and sending an error message to the price inquiring end.
In this step, the error message has information for conveying that the VIN code in the query request is in error.
S203: and acquiring query information on a transaction platform according to the OE code, and sending the query information to the price inquiring end.
In order to avoid the problems that the accuracy of the obtained query information is poor, the interference information is more and the like caused by the fact that the query is carried out on a trading platform through a text, the query information is obtained by querying the trading platform through the OE code, the query information is an offer list of an offer end which sells accessories corresponding to the OE code, and then the query information is sent to the price inquiring end.
It should be noted that, in order to facilitate management of parts by each automobile manufacturer, each part of each automobile type is distinguished and classified by adopting different numbers, and the number is just an OE number, so that each OE number corresponds to a unique product.
S204: and acquiring reference data of the query information through a preset reference model, and sending the reference data to the price inquiring end.
In order to ensure that the price inquiring end can acquire the reasonable price of the required accessories when the price inquiring end carries out transaction with the quotation end so as to ensure the security and the reliability of the transaction on the transaction platform, the step identifies the OE code consistent with the inquiry information and acquires the reference data corresponding to the OE code by comparing the inquiry information with the OE code in the reference model one by one, and sends the reference data to the price inquiring end. Specifically, the reference model comprises an OE code and reference data corresponding to the OE code, the OE code is description information of an accessory which historically generates a transaction on the transaction platform, and the reference data is reference data established based on a transaction price of the accessory on the transaction platform; the reference data can be the interval of the transaction price of the accessory on the transaction platform, and can also be the average value of the transaction price on the transaction platform.
In a preferred embodiment, the reference model is created by:
s41: acquiring historical transaction data of a transaction platform, wherein the historical transaction data comprises an OE code used for describing an accessory code and a transaction price of the accessory;
s42: summarizing historical transaction data consistent with the OE codes to form a reference set;
s43: and setting the transaction price with the lowest value in the reference set as a transaction lower limit, setting the transaction price with the highest value as a transaction upper limit to form a transaction interval, and associating the transaction interval with the OE code to serve as reference data of the OE code.
S44: and adding the transaction prices in the reference set, dividing the transaction prices by the number of the historical transaction data in the reference set to obtain a transaction average value, and associating the transaction average value with the OE code to serve as the reference data of the OE code.
S205: and encrypting the inquiry information generated by the inquiry end according to the inquiry information, acquiring the inquiry information and decrypting the inquiry information.
In order to acquire the inquiry information sent by the inquiry end, the inquiry information generated by the inquiry end according to the inquiry information is encrypted through an encryption algorithm, and the inquiry information is acquired and decrypted so as to ensure the security of the inquiry information in the transmission process. Further, the price inquiry information includes the VIN code, the OE code, a price quotation end selected by the price inquiry end, and feature description information, where the feature description information is a style, a material, a color, and the like of an accessory corresponding to the OE code.
In this embodiment, the encryption algorithm may be a symmetric encryption algorithm or an asymmetric encryption algorithm.
The symmetric encryption algorithm is also called as a shared key encryption algorithm. In the symmetric encryption algorithm, only one key is used, and the server and the price inquiry end both use the key to encrypt and decrypt data.
The asymmetric encryption algorithm is also called a public key encryption algorithm. It requires two keys, one called public key (public key), i.e. public key, and the other called private key (private key), i.e. private key. This algorithm is called asymmetric encryption algorithm because two different keys are used for encryption and decryption.
The asymmetric encryption algorithm comprises the following steps:
the price inquiring end is controlled to encrypt the price inquiring information by using the public key, and a server running a transaction information management method decrypts the price inquiring encrypted information by using the private key; or
And controlling the price inquiring end to encrypt the price inquiring information by using the private key, and using the public key to decrypt the price inquiring encrypted information by using a server running a transaction information management method.
S206: and loading the reference data into the inquiry information, and sending the backup of the inquiry information to the inquiry end.
In order to ensure that the price inquiry end knows the value of the required accessories on the market so as to ensure the reliability of trading of a trading platform, the price inquiry end can know the reasonable price of the required accessories on the market by loading the reference data into the price inquiry information and sending the backup of the price inquiry information to the price inquiry end. Furthermore, the reference data can be used as the quotation information in the inquiry information, so that the quotation end carries out accessory transaction according to the reference data to ensure the fairness of transaction platform transaction.
S207: and acquiring recommendation information associated with the price inquiring information through a preset recommendation model, and sending the recommendation information to the price inquiring terminal.
In order to identify the recommendation information related to the price inquiry information so that the price inquiry terminal can conveniently and quickly acquire the required related accessories, the recommendation information related to the price inquiry information is acquired through a preset recommendation model, and the recommendation information is sent to the price inquiry terminal. Specifically, the recommendation model reflects a query end of a certain geographic feature, which accessories are usually queried for querying a certain vehicle-type feature, for example: users in shanghai typically query and set as recommended information which accessories of the shanghai massa patat. Because the automobile is used regionally (due to different weather and terrain, common accessories of automobile users in various regions are different, such as more anti-freezing liquid and anti-skid chains for meeting in the northeast region, more front and rear fenders for changing in the southwest region, more tires for changing in the eastern region and the like), and the common replacement accessories of various automobile types are different, a recommendation model based on regional characteristics and automobile type characteristics is created, and recommendation information related to price inquiry information is obtained more accurately.
In a preferred embodiment, the recommendation model is created by:
s7-01: creating a first linked list and a second linked list associated with the first linked list according to preset region characteristics and vehicle type characteristics; acquiring an inquiry request received by the transaction platform in a preset monitoring period, identifying regional information of an area where an inquiry terminal is located, which is recorded in the inquiry request, and analyzing a VIN code in the inquiry request to obtain vehicle type information corresponding to the inquiry request.
In this step, the first linked list is configured to set and store text information in the query request as record information according to the query request meeting the vehicle type feature sent by the price querying end belonging to the regional feature, for example: according to an inquiry request of the automobile type of Shanghai Volkswagen Passat sent by an inquiry terminal belonging to Shanghai, storing text information 'windshield' in the inquiry request as recording information in the first linked list; the second linked list is used for recording preset record information for inquiring preset in the first linked list and taking the record information as recommendation information.
It should be noted that the first linked list and the second linked list are created by a lur (least significant used) algorithm, which is obtained according to a well-known basic theory of computer operating systems: the most recently used page data will still be used for a future period of time, and pages that have not been used for a long time will most likely not be used for a longer period of time in the future. Based on this idea, there is a cache eviction mechanism, which finds the least used data from the memory and then replaces it, so as to store new data! Its main measure is the time of use and the additional measure is the number of uses. The problem that the accuracy of information recommendation is low due to the fact that the record information which is used only once recently is set as the recommendation information in the first linked list is avoided by constructing the second linked list.
S7-02: obtaining region characteristics and vehicle type characteristics consistent with the region information and the vehicle type information, extracting a first linked list corresponding to the region characteristics and the vehicle type characteristics, and extracting text information in the query request.
S7-03: judging whether the first linked list has record information consistent with the text information;
s7-04: if yes, the recorded information is promoted to the head position of the first linked list, and the query times corresponding to the recorded information are increased;
s7-05: if not, inserting the text information into the head position of the first linked list to be used as the recording information of the first linked list; judging whether the tail position of the first linked list has recording information or not; if so, deleting the recording information at the tail position, and sequentially moving the first linked list except the recording information at the head position towards the tail position of the first linked list by one bit; if not, the recorded information except the head position in the first linked list is moved to the tail position of the first linked list for one bit in sequence.
S7-06: and acquiring the record information of which the query times exceed a preset query threshold value in the first linked list, and judging whether the second linked list has recommendation information consistent with the record information.
S7-07: if yes, the recommendation information is promoted to the head position of the second linked list.
S7-08: if not, inserting the recording information into the head position of the second linked list to be used as the recommendation information of the second linked list; judging whether the tail position of the second linked list has recommendation information or not; if yes, deleting the recommendation information at the tail position, and sequentially moving the recommendation information except the head position in the second linked list to the tail position of the second linked list for one bit; if not, the recommended information of the head position in the second linked list is removed, and the second linked list is sequentially moved to the tail position direction of the second linked list for one bit.
S7-09: and when the monitoring period is finished, taking the second linked list as a recommendation model of the region characteristic and the vehicle type characteristic.
Further, the step of obtaining recommendation information associated with the price inquiry information through a recommendation model includes:
s7-11: and analyzing the VIN code in the price inquiry information to obtain the vehicle type information corresponding to the VIN code.
In this step, the manufacturer, brand and type of the vehicle corresponding to the VIN code, i.e., the vehicle model, is obtained by analyzing the code value of 1-3 bits of the VIN code.
S7-12: and acquiring the regional information of the price inquiring end which sends the price inquiring information.
In this step, the geographical information of the price inquiry terminal can be identified by identifying the address of the communication service provider of the price inquiry terminal.
S7-13: and identifying the region characteristics and the vehicle type characteristics which are consistent with the region information and the vehicle type information in the recommendation model, acquiring a second linked list corresponding to the region characteristics and the vehicle type characteristics, and extracting the recommendation information in the second linked list so as to achieve the technical effect of acquiring the recommendation information associated with the price inquiry information.
Preferably, after the extracting of the recommendation information in the second linked list, the method further includes:
and uploading the recommendation information to a block chain.
It should be noted that the corresponding digest information is obtained based on the recommendation information, and specifically, the digest information is obtained by hashing the recommendation information, for example, by using the sha256s algorithm. Uploading summary information to the blockchain can ensure the safety and the fair transparency of the user. The user equipment may download the summary information from the blockchain to verify that the recommendation information has been tampered with. The blockchain referred to in this example is a novel application mode of computer technologies such as distributed data storage, point-to-point transmission, consensus mechanism, encryption algorithm, and the like. A block chain (Blockchain), which is essentially a decentralized database, is a series of data blocks associated by using a cryptographic method, and each data block contains information of a batch of network transactions, so as to verify the validity (anti-counterfeiting) of the information and generate a next block. The blockchain may include a blockchain underlying platform, a platform product service layer, an application service layer, and the like.
In a preferred embodiment, the recommendation model is created by:
s7-21: obtaining historical transaction data in a transaction platform, and classifying the historical transaction data according to preset region characteristics and vehicle type characteristics to obtain region vehicle type transaction data;
in this step, the regional characteristic is a regional position of an inquiry end that generates historical transaction data on the transaction platform, such as: beijing, Shanghai, Shenzhen, etc.; the vehicle type characteristics are manufacturer, brand, and type of vehicle to which the accessory is applied in the historical transaction data, such as: a Toyota Ka roller. The historical transaction data includes accessory information, such as a karya version of the LED head lamp, that is used to describe the accessory.
S7-22: and summarizing the region vehicle type transaction data and removing duplication to obtain a region vehicle type set, summarizing each region characteristic and the region vehicle type set corresponding to the vehicle type characteristic to form a recommendation model.
Further, the step of obtaining recommendation information associated with the price inquiry information through a recommendation model includes:
s7-31: and analyzing the VIN code in the price inquiry information to obtain the vehicle type information corresponding to the VIN code.
In this step, the manufacturer, brand and type of the vehicle corresponding to the VIN code, i.e., the vehicle model, is obtained by analyzing the code value of 1-3 bits of the VIN code.
S7-32: acquiring regional information of a price inquiring end which sends the price inquiring information;
in this step, the geographical information of the price inquiry terminal can be identified by identifying the address of the communication service provider of the price inquiry terminal.
S7-33: identifying the region characteristics and the vehicle type characteristics which are consistent with the region information and the vehicle type information in the recommendation model, acquiring a region vehicle type set corresponding to the region characteristics and the vehicle type characteristics, and extracting accessory information corresponding to vehicle type transaction data of each region in the region vehicle type set to serve as recommendation information associated with the price inquiry information.
S208: and encrypting the inquiry information and sending the inquiry information to a quotation end.
In order to ensure the security of the inquiry information sent to the quotation end, the inquiry information is encrypted through an encryption algorithm, so that the quotation end decrypts the inquiry information through a key obtained in advance to obtain the content of the inquiry information, and the security of the inquiry information in the communication process is ensured.
In this embodiment, the encryption algorithm may be a symmetric encryption algorithm or an asymmetric encryption algorithm.
The symmetric encryption algorithm is also called as a shared key encryption algorithm. In the symmetric encryption algorithm, only one key is used, and the server and the price inquiry end both use the key to encrypt and decrypt data.
The asymmetric encryption algorithm is also called a public key encryption algorithm. It requires two keys, one called public key (public key), i.e. public key, and the other called private key (private key), i.e. private key. This algorithm is called asymmetric encryption algorithm because two different keys are used for encryption and decryption.
The asymmetric encryption algorithm comprises the following steps:
the server running the transaction information management method uses the public key to encrypt the price inquiry information, and the quotation end uses the private key to decrypt the price inquiry encrypted information; or
And the server running the transaction information management method encrypts the price inquiry information by using the private key, and the quotation end decrypts the price inquiry encryption information by using the public key.
Example three:
referring to fig. 4, a transaction information management device 1 of the present embodiment includes:
the input module 11 is used for receiving an inquiry request sent by an inquiry end;
the target identification module 12 is configured to identify a VIN code in the query request, perform word segmentation on text information of the query request to obtain a query entry, obtain a standard name of the query entry through a preset associated dictionary, and obtain an OE code of the query request from a preset coding library by combining the VIN code and the standard name;
the information inquiry module 13 is configured to obtain inquiry information on the transaction platform according to the OE code, and send the inquiry information to the price inquiry terminal;
the security management module 15 is configured to encrypt price inquiry information generated by the price inquiry terminal according to the inquiry information, acquire the price inquiry information, and decrypt the price inquiry information;
and the quotation module 18 is used for encrypting the inquiry information and sending the inquiry information to a quotation end.
Optionally, the transaction information management apparatus 1 further includes:
and the reference calculation module 14 is configured to obtain reference data of the query information through a preset reference model, and send the reference data to the price inquiring terminal.
Optionally, the transaction information management apparatus 1 further includes:
and the reference price inquiry module 16 is configured to load the reference data into the price inquiry information, and send a backup of the price inquiry information to the price inquiry terminal.
Optionally, the transaction information management apparatus 1 further includes:
and the recommendation management module 17 is configured to obtain recommendation information associated with the price inquiry information through a preset recommendation model, and send the recommendation information to the price inquiry terminal.
The technical scheme is applied to the field of artificial intelligence voice semantics, the VIN code in the query request is identified, the text information of the query request is segmented through a natural language processing technology to obtain a query entry, so that semantic analysis is performed on the text information, the standard name of the query entry is obtained through a preset associated dictionary, and the OE code of the query request is obtained from a preset coding library by combining the VIN code and the standard name.
Example four:
in order to achieve the above object, the invention further provides a computer device 5, components of the transaction information management apparatus according to the third embodiment may be distributed in different computer devices, and the computer device 5 may be a smart phone, a tablet computer, a notebook computer, a desktop computer, a rack server, a blade server, a tower server, or a rack server (including an independent server or a server cluster formed by a plurality of application servers) that executes a program. The computer device of the embodiment at least includes but is not limited to: a memory 51, a processor 52, which may be communicatively coupled to each other via a system bus, as shown in FIG. 5. It should be noted that fig. 5 only shows a computer device with components, but it should be understood that not all of the shown components are required to be implemented, and more or fewer components may be implemented instead.
In this embodiment, the memory 51 (i.e., a readable storage medium) includes a flash memory, a hard disk, a multimedia card, a card-type memory (e.g., SD or DX memory, etc.), a Random Access Memory (RAM), a Static Random Access Memory (SRAM), a read-only memory (ROM), an electrically erasable programmable read-only memory (EEPROM), a programmable read-only memory (PROM), a magnetic memory, a magnetic disk, an optical disk, and the like. In some embodiments, the memory 51 may be an internal storage unit of the computer device, such as a hard disk or a memory of the computer device. In other embodiments, the memory 51 may be an external storage device of a computer device, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), or the like, provided on the computer device. Of course, the memory 51 may also include both internal and external storage devices of the computer device. In this embodiment, the memory 51 is generally used for storing an operating system and various application software installed on the computer device, such as the program codes of the transaction information management apparatus in the third embodiment. Further, the memory 51 may also be used to temporarily store various types of data that have been output or are to be output.
Processor 52 may be a Central Processing Unit (CPU), controller, microcontroller, microprocessor, or other data Processing chip in some embodiments. The processor 52 is typically used to control the overall operation of the computer device. In this embodiment, the processor 52 is configured to run program codes stored in the memory 51 or process data, for example, run a transaction information management device, so as to implement the transaction information management methods of the first and second embodiments.
Example five:
to achieve the above objects, the present invention also provides a computer readable storage medium, such as a flash memory, a hard disk, a multimedia card, a card type memory (e.g., SD or DX memory, etc.), a Random Access Memory (RAM), a Static Random Access Memory (SRAM), a Read Only Memory (ROM), an Electrically Erasable Programmable Read Only Memory (EEPROM), a Programmable Read Only Memory (PROM), a magnetic memory, a magnetic disk, an optical disk, a server, an App application store, etc., on which a computer program is stored, which when executed by a processor 52, implements corresponding functions. The computer-readable storage medium of the present embodiment is used for storing a transaction information management apparatus, and when executed by the processor 52, implements the transaction information management method of the first and second embodiments.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A transaction information management method, comprising:
receiving an inquiry request sent by an inquiry end;
identifying VIN codes in the query request, segmenting words of text information of the query request to obtain query entries, acquiring standard names of the query entries through a preset associated dictionary, and acquiring OE codes of the query request from a preset coding library by combining the VIN codes and the standard names;
acquiring query information on a transaction platform according to the OE code, and sending the query information to the price inquiry end;
encrypting inquiry information generated by the inquiry end according to the inquiry information, acquiring the inquiry information and decrypting the inquiry information;
and encrypting the inquiry information and sending the inquiry information to a quotation end.
2. The transaction information management method of claim 1, wherein the step of identifying the VIN code in the inquiry request comprises:
calling a preset VIN code regular expression to obtain a code to be checked from the query request;
verifying the code to be verified through a preset VIN code verification rule, and judging whether the code to be verified passes the verification;
if yes, the code to be checked is judged to be the VIN code;
if not, judging that the query request has errors, and sending an error message to the price inquiring end.
3. The transaction information management method of claim 1, wherein after sending the query message to the price inquiring terminal, the method further comprises:
and acquiring reference data of the query information through a preset reference model, and sending the reference data to the price inquiring end.
4. The transaction information management method according to claim 3, wherein the reference model is created by:
acquiring historical transaction data of a transaction platform, wherein the historical transaction data comprises an OE code used for describing an accessory code and a transaction price of the accessory;
summarizing historical transaction data consistent with the OE codes to form a reference set;
setting the transaction price with the lowest value in the reference set as a transaction lower limit, setting the transaction price with the highest value as a transaction upper limit to form a transaction interval, and associating the transaction interval with the OE code to serve as reference data of the OE code;
and adding the transaction prices in the reference set, dividing the transaction prices by the number of the historical transaction data in the reference set to obtain a transaction average value, and associating the transaction average value with the OE code to serve as the reference data of the OE code.
5. The transaction information management method of claim 3, wherein after the price inquiry information is obtained and decrypted, the method further comprises:
and loading the reference data into the inquiry information, and sending the backup of the inquiry information to the inquiry end.
6. The transaction information management method of claim 1, wherein after the price inquiry information is obtained and decrypted, the method further comprises:
and acquiring recommendation information associated with the price inquiring information through a preset recommendation model, and sending the recommendation information to the price inquiring terminal.
7. The transaction information management method according to claim 6, wherein the recommendation model is created by:
creating a first linked list and a second linked list associated with the first linked list according to preset region characteristics and vehicle type characteristics; acquiring an inquiry request received by the transaction platform in a preset monitoring period, identifying regional information of an area where an inquiry terminal is located, which is recorded in the inquiry request, and analyzing a VIN code in the inquiry request to obtain vehicle type information corresponding to the inquiry request;
acquiring region characteristics and vehicle type characteristics consistent with the region information and the vehicle type information, extracting a first linked list corresponding to the region characteristics and the vehicle type characteristics, and extracting text information in the query request;
judging whether the first linked list has record information consistent with the text information;
if yes, the recorded information is promoted to the head position of the first linked list, and the query times corresponding to the recorded information are increased;
if not, inserting the text information into the head position of the first linked list to be used as the recording information of the first linked list; judging whether the tail position of the first linked list has recording information or not; if so, deleting the recording information at the tail position, and sequentially moving the first linked list except the recording information at the head position towards the tail position of the first linked list by one bit; if not, the recorded information of the head position in the first linked list is removed, and the recorded information is moved to the tail position direction of the first linked list for one bit in sequence;
acquiring record information of which the query times exceed a preset query threshold value from the first linked list, and judging whether the second linked list has recommendation information consistent with the record information or not;
if yes, promoting the recommendation information to the head position of the second linked list;
if not, inserting the recording information into the head position of the second linked list to be used as the recommendation information of the second linked list; judging whether the tail position of the second linked list has recommendation information or not; if yes, deleting the recommendation information at the tail position, and sequentially moving the recommendation information except the head position in the second linked list to the tail position of the second linked list for one bit; if not, the recommended information of the head position in the second linked list is removed, and the second linked list is moved to the tail position direction of the second linked list for one bit in sequence;
when the monitoring period is finished, taking the second linked list as a recommendation model of the region characteristic and the vehicle type characteristic;
the step of obtaining recommendation information associated with the price inquiry information through a recommendation model comprises the following steps:
analyzing the VIN code in the price inquiry information to obtain vehicle type information corresponding to the VIN code;
acquiring regional information of a price inquiring end which sends the price inquiring information;
identifying region characteristics and vehicle type characteristics consistent with the region information and the vehicle type information in the recommendation model, acquiring a second linked list corresponding to the region characteristics and the vehicle type characteristics, and extracting recommendation information in the second linked list;
after the extracting of the recommendation information in the second linked list, the method further includes:
and uploading the recommendation information to a block chain.
8. A transaction information management apparatus, characterized by comprising:
the input module is used for receiving a query request sent by a price query end;
the target identification module is used for identifying the VIN codes in the query request, segmenting the text information of the query request to obtain query entries, acquiring the standard names of the query entries through a preset associated dictionary, and acquiring the OE codes of the query request from a preset coding library by combining the VIN codes and the standard names;
the information query module is used for acquiring query information on the transaction platform according to the OE code and sending the query information to the price inquiry end;
the security management module is used for encrypting the price inquiry information generated by the price inquiry end according to the inquiry information, acquiring the price inquiry information and decrypting the price inquiry information;
and the quotation module is used for encrypting the inquiry information and sending the inquiry information to a quotation end.
9. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the steps of the transaction information management method according to any one of claims 1 to 7 are implemented when the computer program is executed by the processor of the computer device.
10. A computer-readable storage medium storing a computer program thereon, wherein the computer program stored in the computer-readable storage medium, when executed by a processor, implements the steps of the transaction information management method according to any one of claims 1 to 7.
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