CN112685676A - Information recommendation method and device and electronic equipment - Google Patents
Information recommendation method and device and electronic equipment Download PDFInfo
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Abstract
The embodiment of the invention provides an information recommendation method, an information recommendation device and electronic equipment, wherein the method comprises the following steps: the ciphertext computing platform acquires user data of a common user in the supplier platform and user data of a common user in the demand side platform, wherein the user data are ciphertexts; performing data fusion on user data of the shared users on the basis of the ciphertext to generate user tags of the shared users; acquiring supply information of a supplier platform and demand information of a demand side platform; selecting a user tag of a target user from user tags of common users on the basis of the supply information on the basis of the ciphertext; on the basis of the ciphertext, judging whether the demand information is matched with the user tag and the supply information of the target user; if the demand information is matched with both the user tag and the supply information of the target user, recommending information for the target user in the supplier platform based on the demand information; and then the accuracy of information recommendation can be improved on the premise of ensuring the safety of user data.
Description
Technical Field
The present invention relates to the field of data processing, and in particular, to an information recommendation method and apparatus, and an electronic device.
Background
Many platforms, such as video platforms, audio platforms, etc., provide some information display bits in their platform pages; the merchant/enterprise and the like can display information on the information display position by purchasing the information display position, so as to realize propaganda.
Generally, the same user may use multiple platforms, such as multiple video platforms to watch videos, multiple audio platforms to play music, etc.; in order to ensure the personal information security of the user, the user data is not shared among the platforms. Because any platform only has partial user data of each user, the accuracy of information recommendation is low when information recommendation is performed on the users in any platform. Therefore, how to improve the accuracy of information recommendation without revealing user information is one of the problems to be solved at present.
Disclosure of Invention
The embodiment of the invention provides an information recommendation method, which aims to improve the accuracy of information recommendation under the condition of not revealing user information.
Correspondingly, the embodiment of the invention also provides an information recommendation device and electronic equipment, which are used for ensuring the realization and application of the method.
In order to solve the above problem, an embodiment of the present invention discloses an information recommendation method, which is applied to an information recommendation system, where the information recommendation system includes: ciphertext calculation platform, supplier's platform and demand side platform specifically include: the method comprises the steps that a ciphertext computing platform obtains user data of a common user in a supplier platform and user data of a common user in a demand side platform, wherein the user data are ciphertexts, and the common user is a user commonly owned by the supplier platform and the demand side platform; performing data fusion on user data of the shared users on the basis of the ciphertext to generate user tags of the shared users, wherein the user tags are the ciphertext; acquiring supply information of a supplier platform and demand information of a demand side platform; on the basis of the ciphertext, selecting a user tag of a target user from user tags of shared users based on the supply information; on the basis of the ciphertext, judging whether the demand information is matched with the user tag and the supply information of the target user; and if the demand information is matched with the user label and the supply information of the target user, recommending information for the target user in the supplier platform based on the demand information.
Optionally, the user data of the common users comprises user identifications of the common users; the user data fusion to common user on the basis of ciphertext generates user label of common user, including: acquiring a service requirement; and based on the service requirement, carrying out at least one of the following analyses on the user data of the common users on the basis of the ciphertext: interest analysis, consumption category analysis and salary analysis, and obtaining at least one of the following labels of the shared users: consumption category labels, interest labels, salary labels; based on the at least one of the following labels of the common users on the basis of the ciphertext: and generating user tags of the common users by using the consumption category tags, the interest tags, the salary tags and the user identifications of the common users.
Optionally, the common user is determined by the supplier platform and the demander platform based on privacy trading techniques.
Optionally, the user data of the users shared in the demander platform includes: user identification and user characteristic information; the user data of the common users in the provider platform comprises: user identification and user behavior data.
Optionally, the user identification is a de-identification ID.
Optionally, the provisioning information includes: the user identification and the current browsing information of the user corresponding to each user identification; the user tags of the common users comprise: a user identification and at least one of the following tags: consumption category labels, interest labels, salary labels; the selecting a user tag of a target user from user tags of shared users based on the provisioning information on the basis of the ciphertext includes: selecting a user label of a user with the same user identification as the user identification in the supply information from the user labels of the common users as a user label of a target user; and updating the user tag of the target user based on the current browsing information of the target user on the basis of the ciphertext.
Optionally, the supply information further includes area information of an information display area, and the target user is a user corresponding to the information display area; the requirement information comprises a user requirement label and area requirement information of an information display area; on the basis of the ciphertext, judging whether the demand information of the demand party is matched with the user tag and the supply information of the target user comprises the following steps: matching the user tag of the target user with the user demand tag in the demand information on the basis of the ciphertext, and matching the region information in the supply information with the region demand information in the demand information on the basis of the ciphertext; and if the user demand label in the demand information is matched with the user label of the target user and the area demand information in the demand information is matched with the area information in the supply information, determining that the demand information of the demand party is matched with both the user label of the target user and the supply information of the supply party.
The embodiment of the invention also discloses an information recommendation device, which is applied to an information recommendation system, wherein the information recommendation system comprises: ciphertext computing platform, supplier's platform and demand side platform, the device dispose in ciphertext computing platform, specifically include: the system comprises a first acquisition module, a second acquisition module and a third acquisition module, wherein the first acquisition module is used for acquiring user data of shared users in a supplier platform and user data of shared users in a demand platform, the user data is a ciphertext, and the shared users are users shared by the supplier platform and the demand platform; the system comprises a fusion module, a data fusion module and a data fusion module, wherein the fusion module is used for carrying out data fusion on user data of shared users on the basis of a ciphertext to generate user tags of the shared users, and the user tags are the ciphertext; the second acquisition module is used for acquiring the supply information of the supplier platform and the demand information of the demand party platform; the selection module is used for selecting the user tag of the target user from the user tags of the common users on the basis of the supply information on the basis of the ciphertext; the matching module is used for judging whether the demand information is matched with the user tag and the supply information of the target user on the basis of the ciphertext; and the information recommendation module is used for recommending information for the target user in the supplier platform based on the demand information if the demand information is matched with the user tag and the supply information of the target user.
Optionally, the user data of the common users comprises user identifications of the common users; the fusion module comprises: the business requirement acquisition submodule is used for acquiring the business requirement; the data fusion submodule is used for analyzing the user data of the common users on the basis of the ciphertext according to the service requirements, and comprises at least one of the following analysis modes: interest analysis, consumption category analysis and salary analysis, and obtaining at least one of the following labels of the shared users: consumption category labels, interest labels, salary labels; the label generation submodule is used for generating at least one label based on the common users on the basis of the ciphertext: and generating user tags of the common users by using the consumption category tags, the interest tags, the salary tags and the user identifications of the common users.
Optionally, the common user is determined by the supplier platform and the demander platform based on privacy trading techniques.
Optionally, the user data of the users shared in the demander platform includes: user identification and user characteristic information; the user data of the common users in the provider platform comprises: user identification and user behavior data.
Optionally, the user identification is a de-identification ID.
Optionally, the provisioning information includes: the user identification and the current browsing information of the user corresponding to each user identification; the user tags of the common users comprise: a user identification and at least one of the following tags: consumption category labels, interest labels, salary labels; the selecting module comprises: the label selection submodule is used for selecting the user label of the user with the same user identification as the user identification in the supply information from the user labels of the common users as the user label of the target user; and the updating submodule is used for updating the user tag of the target user on the basis of the current browsing information of the target user on the basis of the ciphertext.
Optionally, the supply information further includes area information of an information display area, and the target user is a user corresponding to the information display area; the requirement information comprises a user requirement label and area requirement information of an information display area; the matching module is used for matching the user tag of the target user with the user demand tag in the demand information on the basis of the ciphertext and matching the region information in the supply information with the region demand information in the demand information on the basis of the ciphertext; and if the user demand label in the demand information is matched with the user label of the target user and the area demand information in the demand information is matched with the area information in the supply information, determining that the demand information of the demand party is matched with both the user label of the target user and the supply information of the supply party.
The embodiment of the invention also discloses a readable medium, and when the instructions in the storage medium are executed by a processor of the electronic equipment, the electronic equipment can execute the information recommendation method according to one or more of the embodiments of the invention.
The embodiment of the invention also discloses an electronic device, which comprises: one or more processors; and one or more readable media having instructions stored thereon, which, when executed by the one or more processors, cause the electronic device to perform the information recommendation method as described above in one or more of the embodiments of the invention.
Compared with the prior art, the embodiment of the invention has the following advantages:
in the embodiment of the invention, the ciphertext computing platform can respectively obtain the ciphertext of the user data of the common users of the supplier platform and the demand platform in the supplier platform and the demand platform, and perform data fusion on the user data of the common users on the basis of the ciphertext to generate the user tags of the common users; the safety of user data in the supplier platform and the demand platform can be further ensured; then after the supply information of the supplier platform and the demand information of the demand platform are obtained, on the basis of the ciphertext, the user tag of the target user is selected from the user tags of the common users on the basis of the supply information; on the basis of the ciphertext, judging whether the demand information is matched with the user tag and the supply information of the target user, and if the demand information is matched with the user tag and the supply information of the target user, recommending information for the target user in a supplier platform based on the demand information; and information recommendation is performed based on the fusion data of the users owned by the supplier platform and the demand platform, so that the accuracy of information recommendation is improved.
Drawings
FIG. 1A is a block diagram of an embodiment of an information recommendation system of the present invention;
FIG. 1B is a flowchart illustrating the steps of an embodiment of a method for recommending information according to the present invention;
FIG. 2 is a flow chart of the steps of an alternative embodiment of an information recommendation method of the present invention;
FIG. 3 is a block diagram of an embodiment of an information recommendation device according to the present invention;
FIG. 4 is a block diagram of an alternative embodiment of an information recommendation device of the present invention;
fig. 5 schematically shows a block diagram of an electronic device for performing the method according to the invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The information recommendation method of the embodiment of the invention can be applied to an information recommendation system, as shown in fig. 1A. The information recommendation system may include: the system comprises a ciphertext computing platform, a supplier platform and a demand side platform. Wherein, the supplier platform can refer to a platform of a supplier, the supplier can be a video company, an audio company, a search company, etc., the supplier platform can be a video portal website, an audio portal website, a search website, etc.; the vendor may publish information in the vendor platform. The supplier platform may provide an information display area, where the information display area may be used to display information that needs to be recommended by a demander, and the information that needs to be recommended by the demander may include various information, such as text, images, videos, audios, and the like, which is not limited in this embodiment of the present invention. The supplier platform can be used by a user, and the user can browse and use the information issued by the supplier and the information displayed in the information display area in the supplier platform. The demander platform may refer to a platform of a demander, and the demander may refer to a user who needs to display information required to be recommended in an information display area of a supplier platform, such as an enterprise, a merchant, and the like. The demand side platform can refer to an enterprise official website, a merchant network shop and the like; the embodiment of the present invention is not limited thereto; the demander may publish information in the demander platform. The demand party platform can also be used by the user, and the user can browse and use the information released by the demand party in the demand party platform. The ciphertext computing platform may be a platform capable of performing ciphertext operations; the information recommendation method provided by the embodiment of the invention can be executed by the ciphertext computing platform to recommend the information required by the demand party platform for the user in the supplier platform.
One of the core ideas of the embodiment of the invention is that a ciphertext computing platform performs data fusion on user data of a user in a provider platform and user data of a user in a demand side platform on the basis of a ciphertext; then, on the basis of the ciphertext, determining a target user to be subjected to information recommendation in the provider platform based on the fused data, and recommending information required to be recommended by a demand party for the target user; and then accurate recommendation of information can be realized, and the accuracy of information recommendation is improved, so that the propaganda effect can be improved, and users in the platform can acquire interested information.
Referring to fig. 1B, a flowchart illustrating steps of an embodiment of an information recommendation method according to the present invention is shown, which may specifically include the following steps:
102, a ciphertext computing platform acquires user data of a common user in a supplier platform and user data of a common user in a demand platform, wherein the user data is a ciphertext, and the common user is a user commonly owned by the supplier platform and the demand platform.
The same user can be a user in the supplier platform or a user in the demand platform; therefore, the user data of the user in the supplier platform and the user data of the user in the demander platform can be fused to obtain more comprehensive user data of the user; and further accurate information recommendation can be performed for the user. The users in the provider platform may refer to all users using the provider platform, such as registered users, or users who only browse but are not registered; for example, the provider platform is a video portal, and users of the video portal may include registered users of the video portal, or users who are not registered but only browse videos using the video portal. The demand side platform can refer to all users using the demand side platform, such as registered users, or users who only browse but are not registered; for example, the demander platform is a shopping website, and the user in the demander platform may be a member of the shopping website, or may be a user who merely uses the shopping website to browse goods but is not registered.
The same user may be both a user in the supplier platform and a user in the demander platform; it may be only the user in the supplier platform and it may be only the user in the demander platform. Thus, the supplier platform and the demander platform can predetermine the users that both have in common; and then, the user data of the commonly owned users can be uploaded to the ciphertext computing platform respectively. For convenience of the following description, a user that the supplier platform and the demander platform commonly own may be referred to as a co-user. The user data may include data related to information recommendation, such as user characteristic information, user behavior data, and the like, which is not limited in this embodiment of the present invention.
In order to ensure the safety of user data of common users in a supplier platform and ensure the safety of user data of common users in a demand side platform, the supplier platform and the demand side platform can encrypt the user data of common users in the respective platforms; and uploading the user data encrypted by the common users to a ciphertext computing platform. And the ciphertext computing platform can receive the ciphertext of the user data of the common user uploaded by the supplier platform and the ciphertext of the user data of the common user uploaded by the demand side platform.
And step 104, performing data fusion on the user data of the common users on the basis of the ciphertext to generate user tags of the common users, wherein the user tags are the ciphertext.
And then the ciphertext computing platform performs ciphertext operation on the user data of the common users uploaded by the supplier platform and the user data of the common users uploaded by the demand party platform by adopting a multi-party safety computing protocol to fuse the user data of the common users uploaded by the supplier platform and the user data of the common users uploaded by the demand party platform to obtain the user tags of the common users. The user tags are also ciphertext and may include a variety of categories, such as tags for uniquely identifying a user, tags for characterizing user interests, tags for characterizing user buying tendencies, tags for characterizing user income levels, and so forth; the embodiments of the present invention are not limited in this regard. A common user may have multiple user tags and a common user may have multiple user tags of a category.
The multiparty secure computing protocol may include various protocols such as a secret sharing protocol, a homomorphic encryption protocol, and the like, which is not limited in this embodiment of the present invention.
And 106, acquiring the supply information of the supplier platform and the demand information of the demand platform.
When a demand party needs to recommend information in a supplier platform, the demand party can upload demand information to a ciphertext computing platform through a demand party platform; the demand information can be used for representing the demand of information recommendation on a supplier platform; such as content of information recommendation, form, frequency, time period of information recommendation, etc., which is not limited in this embodiment of the present invention. And the ciphertext computing platform can acquire the demand information of the demand side platform.
In the process that a user in the supplier platform browses and uses information provided by a supplier, the supplier platform can upload the supply information provided by the supplier platform to the ciphertext computing platform; the supply information may include information related to information recommended by the requester on the supplier platform, such as area information of the information display area, user characteristic information of a user who can view the information display area, and the like, which is not limited in this embodiment of the present invention. The ciphertext computing platform can further acquire the supply information of the supplier platform; then, based on the supply information uploaded by the supplier platform and the demand information uploaded by the demand platform, it can be determined whether to push the information required to be recommended by the demand party for the user in the supplier platform, which can be referred to steps 108 to 112.
The requirement information can be a plaintext or a ciphertext; the provisioning information may be ciphertext.
And 108, selecting the user tag of the target user from the user tags of the common users on the basis of the supply information on the basis of the ciphertext.
And step 110, judging whether the demand information is matched with the user tag and the supply information of the target user on the basis of the ciphertext.
And 112, if the demand information is matched with the user tag and the supply information of the target user, recommending information for the target user in the supplier platform based on the demand information.
In the embodiment of the invention, a target user to be subjected to information recommendation can be selected from a supplier platform; and then judging whether information recommendation needs to be carried out for the target user, and carrying out information recommendation for the target user when the information recommendation needs to be carried out for the target user.
One way to select the target user to be subjected to information recommendation from the provider platform may be to determine the target user based on the provider information uploaded by the provider platform on the basis of the ciphertext. And then selecting the user label of the target user from the user labels of the common users.
The judgment of whether information recommendation needs to be performed for the target user may be that, on the basis of the ciphertext, whether the demand information is matched with the user tag and the supply information of the target user is judged. That is, whether the demand of the demanding platform matches the information of the supply of the supplying platform is determined. When the demand information is matched with both the user tag and the supply information of the target user, generating recommendation information based on the demand information; then recommending the recommendation information for the target user in the supplier platform; the recommendation information may be presented, for example, in an information presentation area of the provider platform.
In summary, in the embodiment of the present invention, the ciphertext computing platform may obtain the ciphertext of the user data of the common user in the supplier platform and the demander platform respectively, and perform data fusion on the user data of the common user on the basis of the ciphertext to generate the user tag of the common user; the safety of user data in the supplier platform and the demand platform can be further ensured; then after the supply information of the supplier platform and the demand information of the demand platform are obtained, on the basis of the ciphertext, the user tag of the target user is selected from the user tags of the common users on the basis of the supply information; on the basis of the ciphertext, judging whether the demand information is matched with the user tag and the supply information of the target user, and if the demand information is matched with the user tag and the supply information of the target user, recommending information for the target user in a supplier platform based on the demand information; and information recommendation is performed based on the fusion data of the users owned by the supplier platform and the demand platform, so that the accuracy of information recommendation is improved.
The following describes how the supplier platform and the demander platform determine the co-users.
In the embodiment of the invention, in order to ensure the personal information safety of users in a supplier platform and a demand platform, the personal information of the users in the supplier platform and the demand platform can be subjected to de-identification processing to obtain the corresponding de-identification ID of each user; the de-identification ID may be used to uniquely represent the user. The de-identification can refer to a process of processing the personal information so that the personal information cannot be associated or identified without additional information. The identification of the personal information can be replaced by adopting technologies such as pseudonym, encryption and hash function on the basis of the user individual.
In one example of the present invention, the provider platform may perform de-identification on the personal information of the user therein to obtain a corresponding de-identification ID; and the user data of the user can be de-identified by the demand side platform to obtain the corresponding de-identification ID. The supplier platform and the demander platform can cooperate to establish a uniform de-identification scheme to cooperate to de-identify the personal information of the users in the respective platforms; and the de-identification IDs of the same user on the supplier platform and the demand platform are the same.
Certainly, the supplier platform and the demander platform can also cooperate to perform the de-identification of the personal information of the users in the respective platforms without establishing a uniform de-identification scheme; and the de-identification IDs of the same user on the supplier platform and the demand platform are different. At this time, the supplier platform and the demander platform hold the user identification ID and the corresponding ciphertext; the corresponding relationship may refer to a relationship between de-ID of the same user in the supplier platform and the demander platform.
In one example of the invention, the supplier platform and the demander platform upload personal information of users therein to the de-identification platform; then, the personal information of the user in the provider platform can be respectively subjected to de-identification by the de-identification platform to obtain the corresponding de-identification ID. And respectively carrying out de-identification on the personal information of the user in the demand side platform by the de-identification platform to obtain the corresponding de-identification ID. The de-identification platform can respectively de-identify users in the supplier platform and the demand platform by using a uniform de-identification scheme; at this time, the same user's de-ID is the same in the supplier platform and the demander platform. The de-identification platform may then return the user's de-identification ID for the supplier platform to the supplier platform and the user's de-identification ID for the demander platform to the demander platform. Certainly, the de-identification platform can also use a non-uniform de-identification scheme to respectively de-identify the users in the supplier platform and the demander platform; the de-ID of the same user in the supplier platform and the demander platform are not the same. At this time, the de-identification platform can hold the de-identification ID of each user in the supplier platform and the demand platform and the corresponding relation of the de-identification IDs; the user's de-ID in the provider platform may then be returned to the provider platform in a corresponding relationship, and the user's de-ID in the requester platform may be returned to the requester platform in a corresponding relationship.
The personal information may include various information, such as information indirectly associated with the user, e.g., a device identification number, a device fingerprint, a browser fingerprint, a cookie (data stored on the user's local terminal), etc., or information directly associated with the user, e.g., a pin, a phone number, a social network account, etc.; the method and the device for processing the data can be determined according to the business requirements of the demand side, and the embodiment of the invention is not limited to this.
In an optional embodiment of the invention, the common user is determined by the supplier platform and the demander platform based on a privacy deal technique. When the same user has the same de-identification ID in the demander platform and the supplier platform and the demander platform and the supplier platform do not obtain the de-identification ID of the common user, the supplier platform and the demander platform can determine the intersection of the respective self-supporting de-identification IDs based on the privacy intersection technology to obtain the intersection set. The intersection set comprises a plurality of de-identification IDs, and one de-identification ID corresponds to one common user. When the same user has the same de-identification ID in the demand side platform and the supplier side platform, but the de-identification ID of the common user is obtained, the demand side platform and the supplier side platform respectively hold a junction set of the de-identification IDs of the common user. At this time, when the de-identification IDs of the users in the demand side platform or the supplier side platform are updated, the supplier side platform and the demand side platform determine the intersection of the respective self-held de-identification IDs based on the privacy intersection technology, and obtain the intersection set.
When the de-identification IDs of the same user in the demand side platform and the supplier side platform are different, the supplier side platform and the demand side platform can cooperate with the ciphertext based on the corresponding relation to calculate the intersection of the de-identification IDs so as to obtain the intersection set of the de-identification IDs. In one example, the set of intersections includes the de-identified IDs of the common users and the corresponding relationships. In an example, the intersection set obtained by the supplier platform may include the de-identification IDs of the users shared in the platform, and the intersection set obtained by the demand platform may include the de-identification IDs of the users shared in the platform.
Referring to fig. 2, a flow chart of steps of an alternative embodiment of an information recommendation method of the present invention is shown.
Step 202, the ciphertext computing platform obtains user data of a common user in a supplier platform and user data of a common user in a demand platform, wherein the user data is ciphertext, and the common user is a user commonly owned by the supplier platform and the demand platform.
In the embodiment of the present invention, the user data of the common users in the demander platform may include: user identification and user characteristic information. The user identifier may be used to uniquely identify a user, and may be a de-identification ID, and the user characteristic information may include information used to describe a user characteristic, such as age, gender, occupation, region, academic calendar, specialty, love and marriage situation, login terminal, social circle, search record, browsing record, purchase interaction behavior, and subject matter of interest (such as celebrity, entertainment, sports, financing, etc.), which is not limited in this embodiment of the present invention.
In this embodiment of the present invention, the user data of the common user in the provider platform includes: user identification and user behavior data. The user identifier may be used to uniquely identify the user, and may be a de-identification ID, the user behavior data may be used to describe a behavior of the user in the provider platform, such as click information, browsing duration, sharing information, comment information, and the like, the browsing information may include browsing information of recommendation information displayed in the information display area, and the click information may include click information of recommendation information displayed in the information display area, and the like, which is not limited in this embodiment of the present invention.
The user identification of the common user in the supplier platform and the user identification of the common user in the demand platform can be the same or different; specifically, the method is determined according to a way of identifying personal information in the supplier platform and the demander platform, and this is not limited in the embodiment of the present invention.
Then the ciphertext computing platform can fuse the user data of the common user uploaded by the supplier platform and the user data uploaded by the demand side platform; reference may be made to steps 204 to 208.
And step 204, acquiring service requirements.
Step 206, based on the service requirement, performing at least one of the following analyses on the user data of the shared users on the basis of the ciphertext: interest analysis, consumption category analysis and salary analysis, and obtaining at least one of the following labels of the shared users: consumption category label, interest label, salary label.
In the embodiment of the invention, the ciphertext computing platform can acquire the service requirements of a demand party, such as service types, service-oriented objects and the like; and then based on the business requirement of the demand party, fusing the user data of the common user uploaded by the supplier platform and the user data uploaded by the demand party platform on the basis of the ciphertext.
In the embodiment of the invention, various types of labels can be preset, such as consumption category labels, interest labels and salary labels. Wherein the consumption category label can be used for representing the purchasing tendency of the user; various consumption category labels can be preset, such as: baby goods, luxury goods, travel, educational training, financial products, pets, health products, real estate, automobiles, and the like. The interest tag can be used for representing the interest of the user, and various interest tags such as games, job hunting, comprehensive art, marriage and love, fashion, entertainment, training, financing, education, insurance, workplace, insurance, endowment, health care, medical treatment and the like can be preset. The salary label may be used to represent an income level of the user, and various salary labels may be preset, such as high salary, medium salary, low salary, and the like, which is not limited in this embodiment of the present invention.
The ciphertext computing platform may then perform at least one of the following analyses on the user data of the common user based on the ciphertext: interest analysis, consumption category analysis and salary analysis; i.e., analyzing interests, consumption categories, salary levels, etc. of common users; correspondingly, at least one of the following labels of the common users can be obtained: consumption category label, interest label, salary label. Wherein, the consumption category of which the consumption frequency of the common users is greater than the frequency threshold can be determined according to the analysis result of the consumption category analysis; and taking the consumption category label corresponding to the consumption category of which the consumption frequency of the common user is greater than the frequency threshold value as the consumption category label of the common user. The frequency threshold may be set as required, which is not limited in this embodiment of the present invention. The consumption category labels of the common users may include one or more of the consumption category labels. The interests of the common users, the interest of which the interest degree is higher than the interest degree threshold value, can be determined according to the analysis result of the interest analysis; and taking the interest label corresponding to the interest of which the interest degree of the common user is higher than the interest degree threshold value as the interest label of the common user. The interestingness threshold may be set as required, which is not limited in this embodiment of the present invention. The interest tags of the shared users may include one or more of the above interest tags. Determining the interval to which the shared user salaries belong according to the analysis result of the interest analysis; and using the salary label corresponding to the section to which the shared user salaries belong as the salary label of the shared user. Payroll tags for the shared users may include one or more of the payroll tags described above.
Wherein, one of the above analyses can be performed on the user data of the common users on the basis of the ciphertext according to the service requirement, and any two of the above analyses can also be performed; all of the above analyses can also be performed; specifically, the determination may be determined according to a service requirement, and the embodiment of the present invention is not limited thereto.
Any one of the above analyses may be based on ciphertext clustering, classification, and the like; the embodiments of the present invention are not limited in this regard.
At least one of the consumption category tag, the interest tag, and the salary tag may then be employed, along with the user identification of the common user, to generate a user tag of the common user.
In the embodiment of the invention, when the demander needs to perform information recommendation in the information display area of the supplier platform, the demander platform can determine the user-oriented requirements of the demander information recommendation and determine the requirements of the demander information recommendation on the information display area. Then, a user requirement label can be generated based on the requirements of the user for information recommendation, and the area requirement information can be generated based on the requirements of the information recommendation on the information display area; and generating demand information based on the user demand label and the area demand information. In one example, the demand information may include a user demand label and area demand information. The user requirements tags may include any one or more of the consumption category tags described above, and/or any one or more of the interest tags, and/or any one or more of the salary tags.
In the embodiment of the invention, when determining that information recommendation can be performed for the user, the provider platform can determine the area information of the information display area capable of performing information recommendation, the user corresponding to the information display area capable of performing information recommendation, and the current browsing information of the user corresponding to the information display area capable of performing information recommendation. The user corresponding to the information display area capable of performing information recommendation may refer to a user who can browse the recommendation information displayed in the information display area capable of performing information recommendation when the information display area capable of performing information recommendation displays recommendation information. And then the supplier platform can generate supply information based on the region information of the information display region, the user identification of the user corresponding to the information display region and the current browsing information of the user corresponding to the information display region, and upload the supply information to the ciphertext computing platform. Wherein the provisioning information may include: and the area information, the user identification and the current browsing information of the user corresponding to each user identification of the information display area.
Then, the ciphertext computing platform may select the user tag of the target user from the user tags of the shared users based on the supply information on the basis of the ciphertext, and refer to steps 212 to 214:
And 214, updating the user tag of the target user based on the current browsing information of the target user on the basis of the ciphertext.
In the embodiment of the invention, the user tags of the common users comprise user identifications, and the supply information comprises the user identifications; the user identifier in the provisioning information may then be compared with the user identifier included in the user tag of the common user. Then, determining the user with the user identification in the user label being the same as the user identification in the supply information as a target user; further, the user tag of the target user can be selected from the user tags of the shared users.
In the embodiment of the present invention, based on the current browsing information of the target user, the user data of the target user in the provider platform and the user data of the target user in the demander platform, at least one of the following analyses may be performed again: interest analysis, consumption category analysis and salary analysis; determining at least one of the following tags for the target user: consumption category label, interest label, salary label. Then, it is determined whether the tag determined based on the current browsing information of the target user is the same as the tag of the target user determined in the above-mentioned step 204 to step 208. If the tag determined based on the current browsing information of the target user is the same as the tag of the target user determined in the above step 204 to step 208, the user tag of the target user may not need to be updated. If the tag determined based on the current browsing information of the target user is different from the tag of the target user determined in the above steps 204 to 208, the user tag of the target user determined in the above steps 204 to 208 may be updated by using the tag determined based on the current browsing information of the target user. And further more accurate user tags of the target users can be determined.
Then, referring to steps 216 to 218, it may be determined whether the demand information of the demand party matches both the user tag and the supply information of the target user; and further judging whether recommendation information corresponding to the demand information of the demand party needs to be recommended for the target user.
And step 216, matching the user tag of the target user with the user demand tag in the demand information on the basis of the ciphertext, and matching the region information in the supply information with the region demand information in the demand information on the basis of the ciphertext.
In the embodiment of the invention, on the basis of the ciphertext, the user tags of the target user except the user identification can be matched with the user demand tags in the demand information, and on the basis of the ciphertext, the region information in the supply information can be matched with the region demand information in the demand information. If the user tags of the target users comprise all the user requirement tags in the requirement information; or the user requirement label containing the preset ratio in the requirement information can be determined to be matched with the user label of the target user; otherwise, it may be determined that the user demand label in the demand information does not match the user label of the target user. The preset ratio may be set as required, for example, 80%, and the like, which is not limited in this embodiment of the present invention. On the basis of the ciphertext, the matching degree of the region information in the supply information and the region demand information in the demand information can be calculated; when the matching degree of the area information in the supply information and the area demand information in the demand information is greater than the threshold value of the matching degree, the area demand information in the demand information can be determined to be matched with the area information in the supply information; otherwise, it is determined that the regional demand information in the demand information does not match the regional information in the supply information.
When the user demand label in the demand information is matched with the user label of the target user and the area demand information in the demand information is matched with the area information in the supply information, it can be determined that the demand information of the demand party is matched with both the user label of the target user and the supply information of the supply party; at this time, recommendation information corresponding to the demand information can be acquired, and then the recommendation information is displayed in the information display area when the supplier platform displays the information display area corresponding to the area information in the supply information.
The requirement information may include recommendation information, and the ciphertext computing platform may directly obtain the recommendation information from the requirement information. When the requirement information does not include recommendation information, the ciphertext computing platform may generate corresponding recommendation information based on the requirement information; the ciphertext computing platform can send the demand information to other platforms, and the other platforms generate the recommendation information based on the demand information and return the recommendation information to the ciphertext computing platform; the embodiments of the present invention are not limited in this regard.
In summary, in the embodiments of the present invention, the service requirement can be obtained; and then based on the service requirement, carrying out at least one of the following analyses on the user data of the shared users on the basis of the ciphertext: interest analysis, consumption category analysis and salary analysis, and obtaining at least one of the following labels of the shared users: consumption category labels, interest labels, salary labels; and then based on the ciphertext, at least one of the following labels of the common users: the method comprises the steps of generating a user label of a common user by a consumption category label, an interest label, a salary label and a user identifier of the common user; and then, a user label can be generated based on the business requirement of the demand side, so that information recommendation can be carried out according to the requirement of the demand side better, and the accuracy of information recommendation is improved.
Secondly, in the embodiment of the invention, the user tag of the target user can be matched with the user demand tag in the demand information on the basis of the ciphertext, and the regional information in the supply information can be matched with the regional demand information in the demand information on the basis of the ciphertext; when a user demand label in the demand information is matched with a user label of a target user and regional demand information in the demand information is matched with regional information in the supply information, recommending information for the target user in the supplier platform based on the demand information; further, when the regional information of the information display region in the supplier platform and the user of the information display region are matched with the requirements of the demand side platform, information recommendation is carried out; therefore, the effect of information recommendation can be maximized, interested information can be recommended for the user, and user experience is improved.
It should be noted that, for simplicity of description, the method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present invention is not limited by the illustrated order of acts, as some steps may occur in other orders or concurrently in accordance with the embodiments of the present invention. Further, those skilled in the art will appreciate that the embodiments described in the specification are presently preferred and that no particular act is required to implement the invention.
The embodiment of the invention also provides an information recommendation device, which is applied to an information recommendation system, wherein the information recommendation system comprises: the device comprises a ciphertext computing platform, a supplier platform and a demand platform, wherein the device is deployed in the ciphertext computing platform.
Referring to fig. 3, a block diagram of an embodiment of an information recommendation apparatus according to the present invention is shown, which may specifically include the following modules:
a first obtaining module 302, configured to obtain user data of a common user in a provider platform and user data of a common user in a requester platform, where the user data is a ciphertext, and the common user is a user owned by the provider platform and the requester platform;
the fusion module 304 is configured to perform data fusion on user data of a common user on the basis of the ciphertext to generate a user tag of the common user, where the user tag is the ciphertext;
a second obtaining module 306, configured to obtain supply information of a supplier platform and demand information of a demand platform;
a selecting module 308, configured to select a user tag of a target user from user tags of common users based on the provisioning information on the basis of the ciphertext;
a matching module 310, configured to determine, based on the ciphertext, whether the requirement information matches both the user tag and the supply information of the target user;
and an information recommendation module 312, configured to recommend information to the target user in the provider platform based on the demand information if the demand information matches both the user tag and the supply information of the target user.
Referring to fig. 4, a block diagram of an alternative embodiment of an information recommendation device of the present invention is shown.
In an optional embodiment of the present invention, the user data of the common user includes a user identifier of the common user; the fusion module 304 includes:
a service requirement obtaining submodule 3042 for obtaining a service requirement;
a data fusion sub-module 3044, configured to perform at least one of the following analysis on the user data of the shared user on the basis of the ciphertext based on the service requirement: interest analysis, consumption category analysis and salary analysis, and obtaining at least one of the following labels of the shared users: consumption category labels, interest labels, salary labels;
a tag generation submodule 3046, configured to, based on the ciphertext, based on at least one of the following tags of the common users: and generating user tags of the common users by using the consumption category tags, the interest tags, the salary tags and the user identifications of the common users.
In an optional embodiment of the invention, the common user is determined by the supplier platform and the demander platform based on a privacy deal technology.
In an optional embodiment of the present invention, the user data of the shared users in the demander platform includes: user identification and user characteristic information; the user data of the common users in the provider platform comprises: user identification and user behavior data.
In an optional embodiment of the present invention, the user identifier is a de-ID.
In an optional embodiment of the present invention, the provisioning information comprises: the user identification and the current browsing information of the user corresponding to each user identification; the user tags of the common users comprise: a user identification and at least one of the following tags: consumption category labels, interest labels, salary labels; the selecting module 308 includes:
the tag selection submodule 3082 is configured to select, from the user tags of the common users, a user tag of a user whose user identifier is the same as the user identifier in the provisioning information, as a user tag of the target user;
the updating submodule 3084 is configured to update the user tag of the target user based on the current browsing information of the target user on the basis of the ciphertext.
In an optional embodiment of the present invention, the supply information further includes area information of an information display area, and the target user is a user corresponding to the information display area;
the requirement information comprises a user requirement label and area requirement information of an information display area;
the matching module 310 is configured to match the user tag of the target user with the user requirement tag in the requirement information on the basis of the ciphertext, and match the region information in the supply information with the region requirement information in the requirement information on the basis of the ciphertext; and if the user demand label in the demand information is matched with the user label of the target user and the area demand information in the demand information is matched with the area information in the supply information, determining that the demand information of the demand party is matched with both the user label of the target user and the supply information of the supply party.
In summary, in the embodiment of the present invention, the ciphertext computing platform may obtain the ciphertext of the user data of the common user in the supplier platform and the demander platform respectively, and perform data fusion on the user data of the common user on the basis of the ciphertext to generate the user tag of the common user; the safety of user data in the supplier platform and the demand platform can be further ensured; then after the supply information of the supplier platform and the demand information of the demand platform are obtained, on the basis of the ciphertext, the user tag of the target user is selected from the user tags of the common users on the basis of the supply information; on the basis of the ciphertext, judging whether the demand information is matched with the user tag and the supply information of the target user, and if the demand information is matched with the user tag and the supply information of the target user, recommending information for the target user in a supplier platform based on the demand information; and information recommendation is performed based on the fusion data of the users owned by the supplier platform and the demand platform, so that the accuracy of information recommendation is improved.
For the device embodiment, since it is basically similar to the method embodiment, the description is simple, and for the relevant points, refer to the partial description of the method embodiment.
Embodiments of the present invention further provide a readable medium, and when the instructions in the storage medium are executed by a processor of an electronic device, the electronic device is enabled to execute the information recommendation method according to one or more embodiments of the present invention.
An embodiment of the present invention further provides an electronic device, including: one or more processors; and one or more readable media having instructions stored thereon, which, when executed by the one or more processors, cause the electronic device to perform the information recommendation method as described above in one or more of the embodiments of the invention.
An example of an embodiment of the present invention provides an electronic device, for example, a server, and fig. 5 illustrates a server, such as a management server, a storage server, an application server, a cloud control service, a server cluster, and the like, which may implement the present invention. The server conventionally includes a processor 510 and a computer program product or computer-readable medium in the form of a memory 520. The memory 520 may be an electronic memory such as a flash memory, an EEPROM (electrically erasable programmable read only memory), an EPROM, a hard disk, or a ROM. The memory 520 has a memory space 530 for program code 531 for performing any of the method steps in the method described above. For example, the storage space 530 for the program code may include respective program codes 531 for implementing various steps in the above method, respectively. The program code can be read from or written to one or more computer program products. These computer program products comprise a program code carrier such as a hard disk, a Compact Disc (CD), a memory card or a floppy disk. Such computer program products are typically portable or fixed storage units. The storage unit may have a storage section, a storage space, and the like arranged similarly to the memory 520 in the server of fig. 5. The program code may be compressed, for example, in a suitable form. Typically, the storage unit comprises computer readable code, i.e. code that can be read by a processor, such as 510, for example, which when executed by a server causes the server to perform the steps of the method described above.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, apparatus, or computer program product. Accordingly, embodiments of the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, embodiments of the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
Embodiments of the present invention are described with reference to flowchart illustrations and/or block diagrams of methods, terminal devices (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing terminal to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing terminal, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing terminal to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing terminal to cause a series of operational steps to be performed on the computer or other programmable terminal to produce a computer implemented process such that the instructions which execute on the computer or other programmable terminal provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the embodiments of the invention.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.
The information recommendation method, the information recommendation device and the electronic device provided by the invention are described in detail, and specific examples are applied in the text to explain the principle and the implementation of the invention, and the description of the above embodiments is only used to help understanding the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (10)
1. An information recommendation method is applied to an information recommendation system, and the information recommendation system comprises: the method comprises the following steps of:
the method comprises the steps that a ciphertext computing platform obtains user data of a common user in a supplier platform and user data of a common user in a demand side platform, wherein the user data are ciphertexts, and the common user is a user commonly owned by the supplier platform and the demand side platform;
performing data fusion on user data of the shared users on the basis of the ciphertext to generate user tags of the shared users, wherein the user tags are the ciphertext;
acquiring supply information of a supplier platform and demand information of a demand side platform;
on the basis of the ciphertext, selecting a user tag of a target user from user tags of shared users based on the supply information;
on the basis of the ciphertext, judging whether the demand information is matched with the user tag and the supply information of the target user;
and if the demand information is matched with the user label and the supply information of the target user, recommending information for the target user in the supplier platform based on the demand information.
2. The method of claim 1, wherein the user data of the common users comprises user identifications of the common users; the user data fusion to common user on the basis of ciphertext generates user label of common user, including:
acquiring a service requirement;
and based on the service requirement, carrying out at least one of the following analyses on the user data of the common users on the basis of the ciphertext: interest analysis, consumption category analysis and salary analysis, and obtaining at least one of the following labels of the shared users: consumption category labels, interest labels, salary labels;
based on the at least one of the following labels of the common users on the basis of the ciphertext: and generating user tags of the common users by using the consumption category tags, the interest tags, the salary tags and the user identifications of the common users.
3. The method of claim 1, wherein the common users are determined by a supplier platform and a demander platform based on privacy trading techniques.
4. The method of claim 1,
the user data of the common users in the demander platform comprises: user identification and user characteristic information;
the user data of the common users in the provider platform comprises: user identification and user behavior data.
5. The method of claim 4, wherein the user identification is a de-identification ID.
6. The method of claim 1,
the provisioning information includes: the user identification and the current browsing information of the user corresponding to each user identification;
the user tags of the common users comprise: a user identification and at least one of the following tags: consumption category labels, interest labels, salary labels;
the selecting a user tag of a target user from user tags of shared users based on the provisioning information on the basis of the ciphertext includes:
selecting a user label of a user with the same user identification as the user identification in the supply information from the user labels of the common users as a user label of a target user;
and updating the user tag of the target user based on the current browsing information of the target user on the basis of the ciphertext.
7. The method according to claim 6, wherein the supply information further includes area information of an information presentation area, and the target user is a user corresponding to the information presentation area;
the requirement information comprises a user requirement label and area requirement information of an information display area;
on the basis of the ciphertext, judging whether the demand information of the demand party is matched with the user tag and the supply information of the target user comprises the following steps:
matching the user tag of the target user with the user demand tag in the demand information on the basis of the ciphertext, and matching the region information in the supply information with the region demand information in the demand information on the basis of the ciphertext;
and if the user demand label in the demand information is matched with the user label of the target user and the area demand information in the demand information is matched with the area information in the supply information, determining that the demand information of the demand party is matched with both the user label of the target user and the supply information of the supply party.
8. An information recommendation device, applied to an information recommendation system, the information recommendation system comprising: the device comprises a ciphertext computing platform, a supplier platform and a demand platform, wherein the device is deployed in the ciphertext computing platform and comprises:
the system comprises a first acquisition module, a second acquisition module and a third acquisition module, wherein the first acquisition module is used for acquiring user data of shared users in a supplier platform and user data of shared users in a demand platform, the user data is a ciphertext, and the shared users are users shared by the supplier platform and the demand platform;
the system comprises a fusion module, a data fusion module and a data fusion module, wherein the fusion module is used for carrying out data fusion on user data of shared users on the basis of a ciphertext to generate user tags of the shared users, and the user tags are the ciphertext;
the second acquisition module is used for acquiring the supply information of the supplier platform and the demand information of the demand party platform;
the selection module is used for selecting the user tag of the target user from the user tags of the common users on the basis of the supply information on the basis of the ciphertext;
the matching module is used for judging whether the demand information is matched with the user tag and the supply information of the target user on the basis of the ciphertext;
and the information recommendation module is used for recommending information for the target user in the supplier platform based on the demand information if the demand information is matched with the user tag and the supply information of the target user.
9. A readable medium, characterized in that instructions in the storage medium, when executed by a processor of an electronic device, enable the electronic device to perform the information recommendation method according to any one of method claims 1-7.
10. An electronic device, comprising:
one or more processors; and
one or more readable media having instructions stored thereon that, when executed by the one or more processors, cause the electronic device to perform the information recommendation method of any of claims 1-7.
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| CN111861174A (en) * | 2020-07-09 | 2020-10-30 | 北京睿知图远科技有限公司 | Credit assessment method for user portrait |
| CN112052458A (en) * | 2020-07-28 | 2020-12-08 | 华控清交信息科技(北京)有限公司 | Information processing method, device, equipment and medium |
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| CN113643016A (en) * | 2021-09-01 | 2021-11-12 | 中国银行股份有限公司 | Information merging method, device, electronic equipment, medium and product |
| CN113643016B (en) * | 2021-09-01 | 2024-02-23 | 中国银行股份有限公司 | Information merging method, device, electronic equipment, medium and product |
| CN116522398A (en) * | 2023-06-30 | 2023-08-01 | 北京数牍科技有限公司 | Information pushing method and device and electronic equipment |
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