CN112927060A - Land flow stable safe transaction system and method - Google Patents

Land flow stable safe transaction system and method Download PDF

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CN112927060A
CN112927060A CN202110441849.2A CN202110441849A CN112927060A CN 112927060 A CN112927060 A CN 112927060A CN 202110441849 A CN202110441849 A CN 202110441849A CN 112927060 A CN112927060 A CN 112927060A
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伍勇
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Abstract

The invention provides a land circulation stable safe transaction system and a method thereof, wherein the land circulation stable safe transaction system comprises: the system comprises a contractor client, a transferee client, a land circulation transaction management platform and a land resource department; the contractor client and the transferee client are in network communication connection with the land circulation transaction management platform respectively, and the land circulation transaction management platform is in network communication connection with a land resource department. The invention can improve the credibility of the land circulation transaction by authenticating the real identities of the contractor and the transferee in the process of the land circulation transaction. Meanwhile, the invention increases the signature items of the contractor and the transferee in the circulation transaction process, is convenient for tracing based on the signature information subsequently, and avoids economic loss to the contractor and the transferee when the transaction is in problem.

Description

Land flow stable safe transaction system and method
Technical Field
The invention relates to the technical field of land circulation, in particular to a stable and safe transaction system and method for land circulation.
Background
In recent years, the scale and the number of land circulation in all parts of the country are continuously increased, the orderly and standardized scale of land circulation is ensured, and the management and service work of rural land contract management right circulation is more and more important, which relates to whether the rural land circulation can be stably and healthily developed.
At present, the land contractor and the transferee can more and more directly achieve the transaction through the internet, the actual operation of land circulation is caused to have more and more demands, the flow is gradually complicated, and when the land contractor and the transferee are actually used, some defects still exist, such as:
(1) when the existing integral land circulation transaction flow has security loopholes in the transaction, the fund security of a transferee cannot be effectively guaranteed, and the security of the integral system cannot be effectively guaranteed.
(2) It is difficult to ensure that the contractor and the transferee transact for real related personnel, so that the reliability of the transaction is not high, and the problem of dispute in the later period is easy to occur.
(3) The existing land circulation transaction system lacks a storage unit for mutual information recording and later period tracing of contractors and transferees, so that later period transaction is problematic, even tracing cannot be performed, and direct loss of the contractors and the transferees is caused.
Disclosure of Invention
In order to solve at least one technical problem, the invention provides a system and a method for stable and safe transaction of local circulation.
In order to achieve the above object, a first aspect of the present invention provides a land circulation stabilization secure transaction system, including: the system comprises a contractor client, a transferee client, a land circulation transaction management platform and a land resource department; the contractor client and the transferee client are respectively in network communication connection with the land circulation transaction management platform, and the land circulation transaction management platform is in network communication connection with a land resource department;
the method comprises the following steps that a contractor and a transferee respectively carry out real-name authentication and registration to a land circulation transaction management platform through a contractor client and a transferee client, wherein the registration information at least comprises identity card information;
the method comprises the following steps that a contractor uploads land information needing circulation transaction to a land circulation transaction management platform through a contractor client, wherein the land information at least comprises the geographical position of land, the land area, the required transaction amount and a land property right; verifying the uploaded land information by a land circulation transaction management platform;
after the land information is verified, the land circulation transaction management platform carries out labeling treatment on the land information, stores the obtained label information in a label database, and establishes a mapping relation between the label information and the corresponding land information;
a transferee sends a transaction request to a land circulation transaction management platform through the transferee client, the land circulation transaction management platform matches corresponding label information in a label database according to the transaction request, inquires out all land information conforming to the label information through a mapping relation and displays the land information to the transferee client for the transferee to select;
when the transferee selects the corresponding land information to the land circulation transaction management platform, the land circulation transaction management platform generates the corresponding transaction order information and pushes the corresponding transaction order information to the client of the transferee and the client of the contractor; when the client of the transferee receives the information of the transaction order, the transferee pays the transaction amount to the land circulation transaction management platform, the land circulation transaction management platform prompts the transferee to collect the biological characteristic information through the client of the transferee, matches the collected biological characteristic information with the identity card information preset in the land circulation transaction management platform during registration, and when the matching is successful, verifies the real identity of the transferee and finishes paying the transaction amount to the land circulation transaction management platform;
when a contractor client receives trading order information, the contractor confirms the trading order information to a land circulation trading management platform, the land circulation trading management platform prompts the contractor to collect biological characteristic information through the contractor client, matches the collected biological characteristic information with identity card information preset in the land circulation trading management platform during registration, and when the matching is successful, verifies the true identity of the contractor and completes the confirmation of the trading order information;
the land circulation transaction management platform feeds back transaction order completion items to a land resource department for filing, and the land resource department carries out change procedures of the land property right;
and after the land resource department completes the change, the land circulation transaction management platform is informed of the change completion, and forwards the transaction amount paid by the transferee to the account of the client of the undertaking party by the land circulation transaction management platform to complete the land circulation transaction process.
In the scheme, the land circulation transaction management platform checks the uploaded land information in real time, extracts the land property right certificate in the land information, transfers the land property right certificate to a land resource department for verifying authenticity, and returns a verification result to the land circulation transaction management platform.
In the scheme, before a contractor and a transferee register to a land circulation transaction management platform through a contractor client and a transferee client, the contractor client and the transferee client respectively generate corresponding public and private key pairs in advance, and the private keys are locally and secretly stored; then the contractor client or the transferee client forms a registration request based on the identity card information and the public key information, encrypts the registration request by adopting a preset public key of the land circulation transaction management platform and transmits the encrypted registration request to the land circulation transaction management platform;
the land circulation transaction management platform adopts a private key to decrypt, signs a digital certificate of a contractor client or a transferee client based on public key information after verifying that the identity card of the contractor or the transferee is legal, and then establishes a binding relationship between the digital certificate of the contractor or the transferee and the identity card information of the contractor or the transferee; after binding, the land circulation transaction management platform signs the issued digital certificate by using a private key of the land circulation transaction management platform and returns the signed digital certificate to the contractor client or the transferee client;
and the contractor client or the transferee client decrypts and checks the signature by adopting a preset public key of the land circulation transaction management platform, and acquires a corresponding digital certificate after the signature passes the verification.
In the scheme, when land circulation transaction is carried out, if a transferee selects land information and sends out an earth circulation transaction request to a land circulation transaction management platform, the land circulation transaction management platform generates corresponding transaction order information and pushes the transaction order information to a client of the transferee, the client of the transferee signs the paid transaction amount by using a private key of a digital certificate of the client of the transferee and sends first signature information to the land circulation transaction management platform, the land circulation transaction management platform prompts the transferee to carry out biological characteristic information acquisition by the client of the transferee, matches the acquired biological characteristic information with identity card information preset in the land circulation transaction management platform during registration, when the matching is successful, a public key of the digital certificate bound with the identity card information is used for decrypting and checking the signature, and after the signature passes, the true identity of the transferee is verified to be valid, and the transaction amount is successfully paid to the land circulation transaction management platform for temporary storage, and the first signature information is stored for follow-up tracing.
In the scheme, when a contractor client receives transaction order information during land circulation transaction, the contractor confirms the transaction order information to a land circulation transaction management platform, the contractor client signs the confirmation information by adopting a private key of a digital certificate of the contractor and sends second signature information to the land circulation transaction management platform, the land circulation transaction management platform prompts the contractor to acquire biological characteristic information through the contractor client and matches the acquired biological characteristic information with identity card information preset in the land circulation transaction management platform during registration, when the matching is successful, a public key of the digital certificate bound with the identity card information is adopted to decrypt and check the second signature information, after the signature is passed, the true identity of the contractor is verified, the transaction order information is confirmed, and the second signature information is kept, for subsequent tracing.
In the scheme, the land circulation transaction management platform comprises a map rendering module, and when a transferee selects land information needing circulation transaction and switches a map viewing mode, the map rendering module renders on a map model according to the geographic position and the land area of the land information.
In the scheme, the land circulation transaction management platform further comprises an AR module, wherein the AR module simulates land information images and boundary line images of land information to be transacted on a real land site through an AR technology; and the virtual land information image and the boundary line image can be recognized by the transferee on site through the camera shooting function of the client of the transferee.
In the scheme, the land circulation transaction management platform further comprises a recommending module, wherein the recommending module is used for recommending land information suitable for land operation to the transferee;
the transferee feeds the region range of land operation and the target crops back to the recommendation module of the land circulation transaction management platform through the client of the transferee;
the recommendation module inquires all land information needing to be traded in the area range, presets n land information needing to be traded in the area range, and takes out soil texture information T corresponding to each piece of land informationiClimate information QiAnd unit price information PiAnd i is not more than n and not more than 1;
the recommending module obtains soil property information T of optimal growth according to the target crops0Climate information Q0；
The recommendation module respectively calculates soil property information T of each piece of land informationiSoil property information T related to optimal growth0Degree of similarity aiAnd climate information QiClimate information Q with optimal growth0Degree of similarity bi；
The recommendation module is used for aiming at each piece of land information pair similarity aiAnd degree of similarity biAnd performing weighted summation to obtain:
Figure 133616DEST_PATH_IMAGE001
wherein
Figure 722729DEST_PATH_IMAGE002
The influence factor proportion of soil property information and climate information on target crops is shown; dividing the weighted sum by the unit price P of the land informationiAnd obtaining the recommended score of the land information:
Figure 329291DEST_PATH_IMAGE003
(ii) a And after the calculation of the recommendation scores of all the land information is completed, sequencing each recommendation score in a descending order so that the transferee can select the corresponding land information according to the recommendation scores.
The second aspect of the present invention further provides a land circulation stable safe transaction method, which applies the above land circulation stable safe transaction system, and the method includes:
the method comprises the following steps that a contractor and a transferee respectively carry out real-name authentication and registration to a land circulation transaction management platform through a contractor client and a transferee client, wherein the registration information at least comprises identity card information;
the method comprises the following steps that a contractor uploads land information needing circulation transaction to a land circulation transaction management platform through a contractor client, wherein the land information at least comprises the geographical position of land, the land area, the required transaction amount and a land property right;
verifying the uploaded land information by a land circulation transaction management platform; after the land information is verified, the land circulation transaction management platform carries out labeling treatment on the land information, stores the obtained label information in a label database, and establishes a mapping relation between the label information and the corresponding land information;
a transferee sends a transaction request to a land circulation transaction management platform through the transferee client, the land circulation transaction management platform matches corresponding label information in a label database according to the transaction request, inquires out all land information conforming to the label information through a mapping relation and displays the land information to the transferee client for the transferee to select;
when the transferee selects the corresponding land information to the land circulation transaction management platform, the land circulation transaction management platform generates the corresponding transaction order information and pushes the corresponding transaction order information to the client of the transferee and the client of the contractor; when the client of the transferee receives the information of the transaction order, the transferee pays the transaction amount to the land circulation transaction management platform, the land circulation transaction management platform prompts the transferee to collect the biological characteristic information through the client of the transferee, matches the collected biological characteristic information with the identity card information preset in the land circulation transaction management platform during registration, and when the matching is successful, verifies the real identity of the transferee and finishes paying the transaction amount to the land circulation transaction management platform;
when a contractor client receives trading order information, the contractor confirms the trading order information to a land circulation trading management platform, the land circulation trading management platform prompts the contractor to collect biological characteristic information through the contractor client, matches the collected biological characteristic information with identity card information preset in the land circulation trading management platform during registration, and when the matching is successful, verifies the true identity of the contractor and completes the confirmation of the trading order information;
the land circulation transaction management platform feeds back transaction order completion items to a land resource department for filing, and the land resource department carries out change procedures of the land property right;
and after the land resource department completes the change, the land circulation transaction management platform is informed of the change completion, and forwards the transaction amount paid by the transferee to the account of the client of the undertaking party by the land circulation transaction management platform to complete the land circulation transaction process.
In this scheme, after the transferee makes a transaction request to the land circulation transaction management platform through the transferee client, the method further includes:
the transferee feeds the region range of land operation and the target crops back to the recommendation module of the land circulation transaction management platform through the client of the transferee;
the recommendation module inquires all land information needing to be traded in the area range, presets n land information needing to be traded in the area range, and takes out soil texture information T corresponding to each piece of land informationiClimate information QiAnd unit price information PiAnd i is not more than n and not more than 1;
the recommending module obtains soil property information T of optimal growth according to the target crops0Climate information Q0；
The recommendationThe module respectively calculates the soil property information T of each piece of land informationiSoil property information T related to optimal growth0Degree of similarity aiAnd climate information QiClimate information Q with optimal growth0Degree of similarity bi；
The recommendation module is used for aiming at each piece of land information pair similarity aiAnd degree of similarity biAnd performing weighted summation to obtain:
Figure 775185DEST_PATH_IMAGE001
wherein
Figure 795093DEST_PATH_IMAGE002
The influence factor proportion of soil property information and climate information on target crops is shown; dividing the weighted sum by the unit price P of the land informationiAnd obtaining the recommended score of the land information:
Figure 938630DEST_PATH_IMAGE003
(ii) a And after the calculation of the recommendation scores of all the land information is completed, sequencing each recommendation score in a descending order so that the transferee can select the corresponding land information according to the recommendation scores.
The invention can improve the credibility of the land circulation transaction by authenticating the real identities of the contractor and the transferee in the process of the land circulation transaction. Meanwhile, signature items of the contractor and the transferee in the transaction process are added, so that the subsequent tracing based on the signature information is facilitated, and the economic loss of the contractor and the transferee caused by the transaction problem is avoided.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
FIG. 1 is a block diagram of a geo-migration stable secure transaction system of the present invention;
fig. 2 shows a flow chart of a method for converting a stable secure transaction from the earth.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
FIG. 1 shows a block diagram of a geo-migration stable secure transaction system of the present invention.
As shown in fig. 1, a first aspect of the present invention provides a land circulation stabilization secure transaction system, including: the system comprises a contractor client, a transferee client, a land circulation transaction management platform and a land resource department; the contractor client and the transferee client are respectively in network communication connection with the land circulation transaction management platform, and the land circulation transaction management platform is in network communication connection with a land resource department;
the method comprises the following steps that a contractor and a transferee respectively carry out real-name authentication and registration to a land circulation transaction management platform through a contractor client and a transferee client, wherein the registration information at least comprises identity card information;
and the land circulation transaction management platform audits the registration request, if the registration request passes the audit, the platform login account information is issued to the contractor and the transferee, and the identity card information of the contractor and the transferee is stored.
The method comprises the following steps that a contractor uploads land information needing circulation transaction to a land circulation transaction management platform through a contractor client, wherein the land information at least comprises the geographical position of land, the land area, the required transaction amount and a land property right; verifying the uploaded land information by a land circulation transaction management platform; specifically, the land circulation transaction management platform verifies the land property right of the uploaded land information, and after the verification is passed, the contractor client is prompted to verify the identity of the actual holder of the land property right. For example, the contractor client can prompt the holder to take a picture of the face through the camera, and match the image information of the taken face with the entered identity card information, if the matching is consistent, "people and certificate are integrated", in other words, the uploader and the holder of the land property right are the same person, and upload the land circulation transaction information successfully; thereby identifying the land circulation transaction requirements as being true and effective. If the matching is not consistent, uploading fails, and the subsequent flow is ended. Of course, in addition to face acquisition, fingerprint acquisition may be performed, but is not limited thereto.
After the land information is verified, the land circulation transaction management platform carries out labeling treatment on the land information, stores the obtained label information in a label database, and establishes a mapping relation between the label information and the corresponding land information;
the method and the device can be used for conveniently presenting the corresponding land information according to the selected label information in the follow-up process by establishing the mapping relation between the label information and the corresponding land information.
In the specific labeling process, the geographic position of the land information can be labeled by an administrative region, for example, an administrative region label is extracted: province, city, county; when the land area label is treated, the label classification is performed on the land area in advance, for example, the land area label classification is as follows: 0 square meter to 100 square meters, 100 square meters to 500 square meters, 500 square meters to 1000 square meters, 1000 square meters to 5000 square meters, and more than 5000 square meters; and then corresponding the land area needing to be labeled to a corresponding land area label. Label information of the land information can be obtained based on the above.
A transferee sends a transaction request to a land circulation transaction management platform through the transferee client, the land circulation transaction management platform matches corresponding label information in a label database according to the transaction request, inquires out all land information conforming to the label information through a mapping relation and displays the land information to the transferee client for the transferee to select;
when the transferee selects the corresponding land information to the land circulation transaction management platform, the land circulation transaction management platform generates the corresponding transaction order information and pushes the corresponding transaction order information to the client of the transferee and the client of the contractor; when a client of a transferee receives transaction order information, the transferee pays a transaction amount to a land circulation transaction management platform, the land circulation transaction management platform prompts the transferee to collect biological characteristic information through the client of the transferee, matches the collected biological characteristic information (such as human face, fingerprint, iris and the like) with identity card information preset in the land circulation transaction management platform during registration, and when the matching is successful, verifies the real identity of the transferee and finishes paying the transaction amount to the land circulation transaction management platform;
when a client of a contractor receives transaction order information, the contractor confirms the transaction order information to a land circulation transaction management platform, the land circulation transaction management platform prompts the contractor to collect biological characteristic information through the client of the contractor, matches the collected biological characteristic information (such as human face, fingerprint, iris and the like) with identity card information preset in the land circulation transaction management platform during registration, and when the matching is successful, verifies the real identity of the contractor and finishes confirming the transaction order information; at this point, the land transaction agreement or contract is completed;
the land circulation transaction management platform feeds back transaction order completion items to a land resource department for filing, and the land resource department carries out change procedures of the land property right;
the specific change procedure is mainly to change the holder of the land property right certificate, and the original land property right certificate is invalidated after the change.
And after the land resource department completes the change, the land circulation transaction management platform is informed of the change completion, and forwards the transaction amount paid by the transferee to the account of the client of the undertaking party by the land circulation transaction management platform to complete the land circulation transaction process.
It should be noted that the contractor in the present invention is a user who needs to perform a transaction to transfer out his land, and the transferee is a user who needs to perform a transaction to obtain the land. It is to be understood that the contractor and the transferee are not limited to one, and the land circulation transaction management platform may correspond to a plurality of contractors and transferees, respectively.
According to the embodiment of the invention, when the land circulation transaction management platform checks the uploaded land information, the land circulation transaction management platform extracts the land property right certificate in the land information, transfers the land property right certificate to the land resource department for verifying the authenticity, and returns the verification result to the land circulation transaction management platform.
It can be understood that the land property right is issued by an official, so that the verification of the land property right needs to be performed by an authoritative land resource department, and the accuracy of the verification is improved.
It should be noted that the land property ticket in the land information refers to picture information obtained by scanning a paper land property ticket.
According to the embodiment of the invention, before a contractor and a transferee register to the land circulation transaction management platform through a contractor client and a transferee client, the contractor client and the transferee client respectively generate corresponding public and private key pairs in advance, and locally and secretly store private keys; then the contractor client or the transferee client forms a registration request based on the identity card information and the public key information (the public key information is used for requesting the land circulation transaction management platform to issue a digital certificate), and the registration request is encrypted by adopting a preset public key of the land circulation transaction management platform and then transmitted to the land circulation transaction management platform;
the land circulation transaction management platform adopts a private key to decrypt, signs a digital certificate of a contractor client or a transferee client based on public key information after verifying that the identity card of the contractor or the transferee is legal, and then establishes a binding relationship between the digital certificate of the contractor or the transferee and identity card information (such as basic information of identity numbers, human faces, fingerprints and the like) of the contractor or the transferee; after binding, the land circulation transaction management platform signs the issued digital certificate by using a private key of the land circulation transaction management platform and returns the signed digital certificate to the contractor client or the transferee client;
and the contractor client or the transferee client decrypts and checks the signature by adopting a preset public key of the land circulation transaction management platform, and acquires a corresponding digital certificate after the signature passes the verification.
According to the embodiment of the invention, during land circulation transaction, if a transferee selects land information and sends a land circulation transfer transaction request to a land circulation transaction management platform, the land circulation transaction management platform generates corresponding transaction order information and pushes the transaction order information to a client of the transferee, the client of the transferee signs the paid transaction amount by using a private key of a digital certificate of the client of the transferee and sends first signature information to the land circulation transaction management platform, the land circulation transaction management platform prompts the transferee to acquire biological characteristic information through the client of the transferee and matches the acquired biological characteristic information (such as human face, fingerprint, iris and the like) with identity card information preset in the land circulation transaction management platform during registration, and when the matching is successful, a public key of the digital certificate bound with the identity card information is used for decrypting and verifying the signature of the first signature information, and after the check label passes, verifying that the true identity of the transferee is legal and effective, successfully paying the transaction amount to a land circulation transaction management platform for temporary storage, and simultaneously keeping the first signature information for follow-up tracing.
According to the embodiment of the invention, when a contractor client receives transaction order information during land circulation transaction, the contractor client confirms the transaction order information to a land circulation transaction management platform, the contractor client signs the confirmation information by using a private key of a digital certificate of the contractor client and sends second signature information to the land circulation transaction management platform, the land circulation transaction management platform prompts the contractor to collect biological characteristic information through the contractor client and matches the collected biological characteristic information (such as human face, fingerprint, iris and the like) with identity card information preset in the land circulation transaction management platform during registration, when the matching is successful, a public key of the digital certificate bound with the identity card information is used for decrypting and verifying the second signature information, after the signature is verified and passed, the true identity of the contractor is verified, and the transaction order information is confirmed, meanwhile, the second signature information is stored for subsequent tracing.
It can be understood that in the process of land circulation transaction, on the basis of identifying the biological characteristic information of traders (contractors and transferees), a signature and signature verification mechanism for the client is added, so that the aim of man-machine dual identity authentication is fulfilled, the circulation transaction can be granted only when man-machines (namely the contractors, the transferees and the client) are combined, and the safety of the circulation transaction is further enhanced.
According to the embodiment of the invention, the land circulation transaction management platform comprises a map rendering module, and when the transferee selects land information needing circulation transaction and switches the map viewing mode, the map rendering module renders on the map model according to the geographic position and the land area of the land information.
According to the method and the device, the land information needing to be traded is rendered on the map model, so that the transferee can visually know the land information and the surrounding geographical conditions through the map, the transferee can conveniently and comprehensively know the land information, the transferee is prompted to select a more appropriate land, and the trading success rate is improved. The rendering mode can render the soil floor blocks needing transaction on the map model in colors different from other areas.
According to the embodiment of the invention, the land circulation transaction management platform further comprises an AR module, wherein the AR module virtualizes land information images and boundary line images of land information to be traded on a real land site through an AR technology; and the virtual land information image and the boundary line image can be recognized by the transferee on site through the camera shooting function of the client of the transferee.
It can be understood that the transferee can not intuitively feel the situation of the land site on the land circulation transaction management platform, and can not accurately position the soil floor block to be transacted if the transferee goes to the site. Conventionally, the transferee goes to the contractor's company and goes to the land site entity for investigation, however, this approach, if the transaction is unsuccessful, can result in time waste for the contractor. The invention enables the transferee to go to the land site to investigate the land condition at any time by virtualizing the land information image and the boundary line image on the real land site through the AR technology, thereby saving the time of the contractor and improving the success rate of the transaction.
According to the embodiment of the invention, the land circulation transaction management platform further comprises a recommending module, wherein the recommending module is used for recommending land information suitable for land operation to the transferee;
the transferee feeds the region range of land operation and the target crops back to the recommendation module of the land circulation transaction management platform through the client of the transferee;
the recommendation module inquires all land information needing to be traded in the area range, presets n land information needing to be traded in the area range, and takes out soil texture information T corresponding to each piece of land informationiClimate information QiAnd unit price information PiAnd i is not more than n and not more than 1;
the recommending module obtains soil property information T of optimal growth according to the target crops0Climate information Q0；
The recommendation module respectively calculates soil property information T of each piece of land informationiSoil property information T related to optimal growth0Degree of similarity aiAnd climate information QiClimate information Q with optimal growth0Degree of similarity bi；
The recommendation module is used for aiming at each piece of land information pair similarity aiAnd degree of similarity biAnd performing weighted summation to obtain:
Figure 914545DEST_PATH_IMAGE001
wherein
Figure 609969DEST_PATH_IMAGE002
The influence factor proportion of soil property information and climate information on target crops is shown; dividing the weighted sum by the unit price P of the land informationiObtaining the recommendation of the land informationAnd (3) scoring:
Figure 258119DEST_PATH_IMAGE003
(ii) a And after the calculation of the recommendation scores of all the land information is completed, sequencing each recommendation score in a descending order so that the transferee can select the corresponding land information according to the recommendation scores.
According to the method and the system, the appropriate land information can be recommended according to the target crops operated by the transferee through the recommendation module, so that the transferee can select the land information conveniently, and the experience of platform customers is improved.
Fig. 2 shows a flow chart of a method for converting a stable secure transaction from the earth.
As shown in fig. 2, the second aspect of the present invention further provides a land circulation stabilization secure transaction method, which applies the above-mentioned land circulation stabilization secure transaction system, and the method includes:
the method comprises the following steps that a contractor and a transferee respectively carry out real-name authentication and registration to a land circulation transaction management platform through a contractor client and a transferee client, wherein the registration information at least comprises identity card information;
the method comprises the following steps that a contractor uploads land information needing circulation transaction to a land circulation transaction management platform through a contractor client, wherein the land information at least comprises the geographical position of land, the land area, the required transaction amount and a land property right;
verifying the uploaded land information by a land circulation transaction management platform; after the land information is verified, the land circulation transaction management platform carries out labeling treatment on the land information, stores the obtained label information in a label database, and establishes a mapping relation between the label information and the corresponding land information;
a transferee sends a transaction request to a land circulation transaction management platform through the transferee client, the land circulation transaction management platform matches corresponding label information in a label database according to the transaction request, inquires out all land information conforming to the label information through a mapping relation and displays the land information to the transferee client for the transferee to select;
when the transferee selects the corresponding land information to the land circulation transaction management platform, the land circulation transaction management platform generates the corresponding transaction order information and pushes the corresponding transaction order information to the client of the transferee and the client of the contractor; when the client of the transferee receives the information of the transaction order, the transferee pays the transaction amount to the land circulation transaction management platform, the land circulation transaction management platform prompts the transferee to collect the biological characteristic information through the client of the transferee, matches the collected biological characteristic information with the identity card information preset in the land circulation transaction management platform during registration, and when the matching is successful, verifies the real identity of the transferee and finishes paying the transaction amount to the land circulation transaction management platform;
when a contractor client receives trading order information, the contractor confirms the trading order information to a land circulation trading management platform, the land circulation trading management platform prompts the contractor to collect biological characteristic information through the contractor client, matches the collected biological characteristic information with identity card information preset in the land circulation trading management platform during registration, and when the matching is successful, verifies the true identity of the contractor and completes the confirmation of the trading order information;
the land circulation transaction management platform feeds back transaction order completion items to a land resource department for filing, and the land resource department carries out change procedures of the land property right;
and after the land resource department completes the change, the land circulation transaction management platform is informed of the change completion, and forwards the transaction amount paid by the transferee to the account of the client of the undertaking party by the land circulation transaction management platform to complete the land circulation transaction process.
Further, after the transferee makes a transaction request to the land circulation transaction management platform through the transferee client, the method further comprises:
the transferee feeds the region range of land operation and the target crops back to the recommendation module of the land circulation transaction management platform through the client of the transferee;
the recommendation module inquires outPresetting n pieces of land information to be traded in the region range for all the land information to be traded in the region range, and taking out soil property information T corresponding to each piece of land informationiClimate information QiAnd unit price information PiAnd i is not more than n and not more than 1;
the recommending module obtains soil property information T of optimal growth according to the target crops0Climate information Q0；
The recommendation module respectively calculates soil property information T of each piece of land informationiSoil property information T related to optimal growth0Degree of similarity aiAnd climate information QiClimate information Q with optimal growth0Degree of similarity bi；
The recommendation module is used for aiming at each piece of land information pair similarity aiAnd degree of similarity biAnd performing weighted summation to obtain:
Figure 64401DEST_PATH_IMAGE001
wherein
Figure 363664DEST_PATH_IMAGE002
The influence factor proportion of soil property information and climate information on target crops is shown; dividing the weighted sum by the unit price P of the land informationiAnd obtaining the recommended score of the land information:
Figure 229989DEST_PATH_IMAGE003
(ii) a And after the calculation of the recommendation scores of all the land information is completed, sequencing each recommendation score in a descending order so that the transferee can select the corresponding land information according to the recommendation scores.
The invention can improve the credibility of the land circulation transaction by authenticating the real identities of the contractor and the transferee in the process of the land circulation transaction. Meanwhile, signature items of the contractor and the transferee in the transaction process are added, so that the subsequent tracing based on the signature information is facilitated, and the economic loss of the contractor and the transferee caused by the transaction problem is avoided.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims (10)

1. A land flow stabilization secure transaction system, comprising: the system comprises a contractor client, a transferee client, a land circulation transaction management platform and a land resource department; the contractor client and the transferee client are respectively in network communication connection with the land circulation transaction management platform, and the land circulation transaction management platform is in network communication connection with a land resource department;
the method comprises the following steps that a contractor and a transferee respectively carry out real-name authentication and registration to a land circulation transaction management platform through a contractor client and a transferee client, wherein the registration information at least comprises identity card information;
the method comprises the following steps that a contractor uploads land information needing circulation transaction to a land circulation transaction management platform through a contractor client, wherein the land information at least comprises the geographical position of land, the land area, the required transaction amount and a land property right; verifying the uploaded land information by a land circulation transaction management platform;
after the land information is verified, the land circulation transaction management platform carries out labeling treatment on the land information, stores the obtained label information in a label database, and establishes a mapping relation between the label information and the corresponding land information;
a transferee sends a transaction request to a land circulation transaction management platform through the transferee client, the land circulation transaction management platform matches corresponding label information in a label database according to the transaction request, inquires out all land information conforming to the label information through a mapping relation and displays the land information to the transferee client for the transferee to select;
when the transferee selects the corresponding land information to the land circulation transaction management platform, the land circulation transaction management platform generates the corresponding transaction order information and pushes the corresponding transaction order information to the client of the transferee and the client of the contractor; when the client of the transferee receives the information of the transaction order, the transferee pays the transaction amount to the land circulation transaction management platform, the land circulation transaction management platform prompts the transferee to collect the biological characteristic information through the client of the transferee, matches the collected biological characteristic information with the identity card information preset in the land circulation transaction management platform during registration, and when the matching is successful, verifies the real identity of the transferee and finishes paying the transaction amount to the land circulation transaction management platform;
when a contractor client receives trading order information, the contractor confirms the trading order information to a land circulation trading management platform, the land circulation trading management platform prompts the contractor to collect biological characteristic information through the contractor client, matches the collected biological characteristic information with identity card information preset in the land circulation trading management platform during registration, and when the matching is successful, verifies the true identity of the contractor and completes the confirmation of the trading order information;
the land circulation transaction management platform feeds back transaction order completion items to a land resource department for filing, and the land resource department carries out change procedures of the land property right;
and after the land resource department completes the change, the land circulation transaction management platform is informed of the change completion, and forwards the transaction amount paid by the transferee to the account of the client of the undertaking party by the land circulation transaction management platform to complete the land circulation transaction process.
2. The land circulation stabilization safety transaction system according to claim 1, wherein in the real-time verification of the uploaded land information by the land circulation transaction management platform, the land circulation transaction management platform extracts the land property right in the land information, transfers the land property right to the land resource department for verification of authenticity, and returns the verification result to the land circulation transaction management platform.
3. The land circulation stable and safe transaction system of claim 1, wherein before the contractor and the transferee register with the land circulation transaction management platform through the contractor client and the transferee client, the contractor client and the transferee client each pre-generate a corresponding public and private key pair, and locally and secretly store the private key; then the contractor client or the transferee client forms a registration request based on the identity card information and the public key information, encrypts the registration request by adopting a preset public key of the land circulation transaction management platform and transmits the encrypted registration request to the land circulation transaction management platform;
the land circulation transaction management platform adopts a private key to decrypt, signs a digital certificate of a contractor client or a transferee client based on public key information after verifying that the identity card of the contractor or the transferee is legal, and then establishes a binding relationship between the digital certificate of the contractor or the transferee and the identity card information of the contractor or the transferee; after binding, the land circulation transaction management platform signs the issued digital certificate by using a private key of the land circulation transaction management platform and returns the signed digital certificate to the contractor client or the transferee client;
and the contractor client or the transferee client decrypts and checks the signature by adopting a preset public key of the land circulation transaction management platform, and acquires a corresponding digital certificate after the signature passes the verification.
4. The land circulation stable and safe transaction system according to claim 1, wherein, during the land circulation transaction, if the transferee selects a land information and sends out a land circulation transaction request to the land circulation transaction management platform, the land circulation transaction management platform generates and pushes the corresponding transaction order information to the client of the transferee, the client of the transferee signs the paid transaction amount by using the private key of the own digital certificate and sends the first signature information to the land circulation transaction management platform, the land circulation transaction management platform prompts the transferee to collect the biological characteristic information by the client of the transferee and matches the collected biological characteristic information with the identity card information preset in the land circulation transaction management platform during registration, and when the matching is successful, the public key of the digital certificate bound with the identity card information is used to decrypt and sign the first signature information, and after the check label passes, verifying that the true identity of the transferee is legal and effective, successfully paying the transaction amount to a land circulation transaction management platform for temporary storage, and simultaneously keeping the first signature information for follow-up tracing.
5. The land circulation stabilization and security transaction system according to claim 1, wherein, at the time of land circulation transaction, when a contractor client receives transaction order information, the contractor confirms the transaction order information to the land circulation transaction management platform, the contractor client signs the confirmation information by using a private key of a digital certificate of its own and sends second signature information to the land circulation transaction management platform, the land circulation transaction management platform prompts the contractor to collect the biometric information through the contractor client and matches the collected biometric information with the id card information preset in the land circulation transaction management platform at the time of registration, when the matching is successful, the second signature information is decrypted and verified by using the digital certificate bound with the id card information, and after the signing is passed, the true identity of the contractor is verified, and the transaction order information is confirmed, and the second signature information is stored for subsequent tracing.
6. The land circulation stable safe transaction system according to claim 1, wherein the land circulation transaction management platform comprises a map rendering module, and when the transferee selects a land information needing circulation transaction and switches the map viewing mode, the map rendering module renders on the map model according to the geographical position and land area of the land information.
7. The land circulation stable safe transaction system of claim 1, characterized in that the land circulation transaction management platform further comprises an AR module, the AR module virtualizes land information images and boundary line images of land information to be traded on a real land site through an AR technology; and the virtual land information image and the boundary line image can be recognized by the transferee on site through the camera shooting function of the client of the transferee.
8. The land circulation stable safe transaction system of claim 1, wherein the land circulation transaction management platform further comprises a recommendation module for recommending land information suitable for land operation to the transferee;
the transferee feeds the region range of land operation and the target crops back to the recommendation module of the land circulation transaction management platform through the client of the transferee;
the recommendation module inquires all land information needing to be traded in the area range, presets n land information needing to be traded in the area range, and takes out soil texture information T corresponding to each piece of land informationiClimate information QiAnd unit price information PiAnd i is not more than n and not more than 1;
the recommending module obtains soil property information T of optimal growth according to the target crops0Climate information Q0；
The recommendation module respectively calculates soil property information T of each piece of land informationiSoil property information T related to optimal growth0Degree of similarity aiAnd climate information QiClimate information Q with optimal growth0Degree of similarity bi；
The recommendation module is used for aiming at each piece of land information pair similarity aiAnd degree of similarity biAnd performing weighted summation to obtain:
Figure 687741DEST_PATH_IMAGE001
wherein
Figure 136039DEST_PATH_IMAGE002
As soil property informationThe influence factor proportion of the climate information on the target crops; dividing the weighted sum by the unit price P of the land informationiAnd obtaining the recommended score of the land information:
Figure 322301DEST_PATH_IMAGE003
(ii) a And after the calculation of the recommendation scores of all the land information is completed, sequencing each recommendation score in a descending order so that the transferee can select the corresponding land information according to the recommendation scores.
9. A land circulation stabilization secure transaction method using the land circulation stabilization secure transaction system of any one of claims 1 to 8, the method comprising:
the method comprises the following steps that a contractor and a transferee respectively carry out real-name authentication and registration to a land circulation transaction management platform through a contractor client and a transferee client, wherein the registration information at least comprises identity card information;
the method comprises the following steps that a contractor uploads land information needing circulation transaction to a land circulation transaction management platform through a contractor client, wherein the land information at least comprises the geographical position of land, the land area, the required transaction amount and a land property right;
verifying the uploaded land information by a land circulation transaction management platform; after the land information is verified, the land circulation transaction management platform carries out labeling treatment on the land information, stores the obtained label information in a label database, and establishes a mapping relation between the label information and the corresponding land information;
a transferee sends a transaction request to a land circulation transaction management platform through the transferee client, the land circulation transaction management platform matches corresponding label information in a label database according to the transaction request, inquires out all land information conforming to the label information through a mapping relation and displays the land information to the transferee client for the transferee to select;
when the transferee selects the corresponding land information to the land circulation transaction management platform, the land circulation transaction management platform generates the corresponding transaction order information and pushes the corresponding transaction order information to the client of the transferee and the client of the contractor; when the client of the transferee receives the information of the transaction order, the transferee pays the transaction amount to the land circulation transaction management platform, the land circulation transaction management platform prompts the transferee to collect the biological characteristic information through the client of the transferee, matches the collected biological characteristic information with the identity card information preset in the land circulation transaction management platform during registration, and when the matching is successful, verifies the real identity of the transferee and finishes paying the transaction amount to the land circulation transaction management platform;
when a contractor client receives trading order information, the contractor confirms the trading order information to a land circulation trading management platform, the land circulation trading management platform prompts the contractor to collect biological characteristic information through the contractor client, matches the collected biological characteristic information with identity card information preset in the land circulation trading management platform during registration, and when the matching is successful, verifies the true identity of the contractor and completes the confirmation of the trading order information;
the land circulation transaction management platform feeds back transaction order completion items to a land resource department for filing, and the land resource department carries out change procedures of the land property right;
and after the land resource department completes the change, the land circulation transaction management platform is informed of the change completion, and forwards the transaction amount paid by the transferee to the account of the client of the undertaking party by the land circulation transaction management platform to complete the land circulation transaction process.
10. The land circulation stability secure transaction method of claim 9, wherein after a transaction request is made by a transferee to a land circulation transaction management platform through the transferee client, the method further comprises:
the transferee feeds the region range of land operation and the target crops back to the recommendation module of the land circulation transaction management platform through the client of the transferee;
the recommendation module inquires all land information needing to be traded in the area range, presets n land information needing to be traded in the area range, and takes out soil texture information T corresponding to each piece of land informationiClimate information QiAnd unit price information PiAnd i is not more than n and not more than 1;
the recommending module obtains soil property information T of optimal growth according to the target crops0Climate information Q0；
The recommendation module respectively calculates soil property information T of each piece of land informationiSoil property information T related to optimal growth0Degree of similarity aiAnd climate information QiClimate information Q with optimal growth0Degree of similarity bi；
The recommendation module is used for aiming at each piece of land information pair similarity aiAnd degree of similarity biAnd performing weighted summation to obtain:
Figure 248669DEST_PATH_IMAGE001
wherein
Figure 718833DEST_PATH_IMAGE002
The influence factor proportion of soil property information and climate information on target crops is shown; dividing the weighted sum by the unit price P of the land informationiAnd obtaining the recommended score of the land information:
Figure 72454DEST_PATH_IMAGE003
(ii) a And after the calculation of the recommendation scores of all the land information is completed, sequencing each recommendation score in a descending order so that the transferee can select the corresponding land information according to the recommendation scores.
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