WO2020207074A1 - 一种信息推送的方法及设备 - Google Patents
一种信息推送的方法及设备 Download PDFInfo
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- WO2020207074A1 WO2020207074A1 PCT/CN2019/130897 CN2019130897W WO2020207074A1 WO 2020207074 A1 WO2020207074 A1 WO 2020207074A1 CN 2019130897 W CN2019130897 W CN 2019130897W WO 2020207074 A1 WO2020207074 A1 WO 2020207074A1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/90—Details of database functions independent of the retrieved data types
- G06F16/95—Retrieval from the web
- G06F16/953—Querying, e.g. by the use of web search engines
- G06F16/9535—Search customisation based on user profiles and personalisation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/90—Details of database functions independent of the retrieved data types
- G06F16/95—Retrieval from the web
- G06F16/957—Browsing optimisation, e.g. caching or content distillation
Definitions
- the invention belongs to the technical field of data processing, and in particular relates to a method and equipment for pushing information.
- the existing information push technology mainly recommends the related information associated with the query record to the user based on the user's query record for the information.
- the information pushed in this way has a strong relationship with the query record, which is difficult Actively expand the field of information pushed, thereby reducing the diversity and richness of the pushed information, and reducing the efficiency of users to obtain information.
- the embodiments of the present invention provide an information push method and device to solve the existing information push technology, mainly based on the user's query record for information, recommend associated information associated with the query record to the user Because the information pushed in this way has a strong relationship with the query record, it is difficult to actively expand the field of the pushed information, thereby reducing the diversity and richness of the pushed information, and reducing the efficiency of users to obtain information. .
- the first aspect of the embodiments of the present invention provides a method for pushing information, including:
- the associated information database contains historical query information of the associated object
- a second aspect of the embodiments of the present invention provides a device for pushing information, including:
- the information query record obtaining unit is used to obtain the information query record of the target object
- a similarity calculation unit configured to calculate the similarity between the candidate object and the target object based on the information query record and the candidate query record of the candidate object;
- An associated object selecting unit configured to select an associated object of the target object from the candidate objects based on the similarity corresponding to each candidate object
- a recommended information list generating unit configured to generate a recommended information list matching the target object based on the associated information database of the associated object; the associated information database contains historical query information of the associated object;
- the to-be-pushed information list generating unit is configured to merge the recommended information lists of all the associated objects to generate the to-be-pushed information list of the target object.
- a third aspect of the embodiments of the present invention provides a terminal device, including a memory, a processor, and a computer program stored in the memory and running on the processor.
- the processor executes the computer program, Realize the steps of the first aspect.
- a fourth aspect of the embodiments of the present invention provides a computer-readable storage medium that stores a computer program that implements the steps of the first aspect when the computer program is executed by a processor.
- the embodiment of the present invention obtains the query record of the target object that needs to push information, calculates the similarity between the candidate object and the target object according to the query record, and determines the associated object that has a strong association relationship with the target object according to the similarity, which means The browsing habits and information levels of the associated objects are similar to those of the target object. Therefore, a recommended information list can be generated according to the associated information database of the associated object, and a list of information to be pushed for the target object can be generated through the recommended information lists of multiple associated objects. The target object pushes the information contained in the list to be pushed.
- the present invention does not only rely on the query record of the target object to determine the push information, but also determines the associated object with higher object attribute similarity to the target object based on the query record of the target object.
- the recommended information list is generated according to the associated information database of the associated object. Since different associated objects browse more information fields and the similarity between the associated object and the target object is relatively high, it can be inferred that the information field of the associated object is also very interesting. It is likely to be the information field that the target object is interested in. It achieves the purpose of automatically expanding the information field of the push information. While ensuring accurate push, it can also increase the scope of the information field and improve the information push efficiency of the target object.
- FIG. 1 is an implementation flowchart of an information push method provided by the first embodiment of the present invention
- FIG. 2 is a specific implementation flowchart of an information push method S102 according to the second embodiment of the present invention.
- FIG. 3 is a specific implementation flowchart of an information push method S1023 provided by the third embodiment of the present invention.
- FIG. 4 is a specific implementation flowchart of an information pushing method S1025 provided by the fourth embodiment of the present invention.
- FIG. 5 is a specific implementation flowchart of an information pushing method S104 provided by the fifth embodiment of the present invention.
- FIG. 6 is a specific implementation flowchart of a method S105 for pushing information provided by the sixth embodiment of the present invention.
- FIG. 7 is a structural block diagram of a device for pushing information according to an embodiment of the present invention.
- Fig. 8 is a schematic diagram of a terminal device according to another embodiment of the present invention.
- the embodiment of the present invention obtains the query record of the target object that needs to push information, calculates the similarity between the candidate object and the target object according to the query record, and determines the associated object that has a strong association relationship with the target object according to the similarity, which means The browsing habits and information levels of the associated objects are similar to those of the target object. Therefore, a recommended information list can be generated according to the associated information database of the associated object, and a list of information to be pushed for the target object can be generated through the recommended information lists of multiple associated objects.
- the target object pushes the information contained in the list to be pushed, which solves the existing information push technology. It is mainly based on the user's query record for the information, recommending the associated information associated with the query record to the user.
- the information pushed in this way is due to There is a strong relationship with the query record, and it is difficult to proactively expand the field of the pushed information, thereby reducing the diversity and richness of the pushed information, and reducing the efficiency of users to obtain
- the execution subject of the process is the terminal device.
- the terminal equipment includes, but is not limited to: servers, computers, smart phones, and tablet computers that can perform information push operations.
- Fig. 1 shows an implementation flow chart of the information pushing method provided by the first embodiment of the present invention, which is detailed as follows:
- the terminal device can identify the user who needs to push as the target object. If the terminal device is a user terminal of a certain user, the user terminal can identify the user logged in to the user terminal as the target user, and generate a corresponding list of information to be pushed for the user to which the user terminal belongs. If the terminal device is a server, the server can receive the user's push request, and according to the user identification carried in the push request, identify the requesting user corresponding to the user identification as the target user, and push information to the target user; of course, the server It is also possible to automatically push information for user objects on the entire platform. In this case, the terminal device can create multiple parallel threads, and simultaneously produce multiple target object lists of information to be pushed through multiple parallel threads.
- the terminal device will Add a creation identifier for each user account. After the list of information to be pushed for a certain user account is created, the creation identifier of the user account will be set as the first value. The next time the target object is selected, you can Create the bit value of the identifier, identify the user account that has not been created, and identify it as the target object.
- the list to be pushed has a valid duration.
- the terminal device After the terminal device creates a list of information to be pushed for the target object, it will create a valid timer. When the count value of the valid timer is equal to When the valid duration is reached, it will be recognized that the list to be pushed is not an invalid push list, and the list of information to be pushed is regenerated for the target object.
- the terminal device can also set multiple list invalidation conditions.
- the list to be pushed is identified as an invalid push list; if It is detected that the number of query records newly created by the user is greater than the preset update number threshold, and the list to be pushed is identified as an invalid push list.
- the terminal device can create an object database for the target object.
- the object database can be used to store all operation records of the target object.
- the operation records include information query records, which are specifically used to record the target object. Information queried.
- the terminal device can be applied to the field of language learning.
- the information query record can be used to record the words queried by the target object, and the information query records corresponding to all the queried words are stored in the object of the target object In the database; the terminal device can also be applied to the news recommendation field.
- the information query record can be used to record the news articles browsed by the target object, and the information query record recording the queried article identifier is stored in the In the object database of the target object.
- the similarity between the candidate object and the target object is calculated according to the information query record and the candidate query record of the candidate object.
- the terminal device may also obtain the query records of all candidate objects except the target object, and calculate the degree of matching between the information query record and the candidate query record Find out the similarity between the candidate object and the target object. If the query content between the information query record of the target object and the candidate query record of the candidate object is more similar, it means that the interest and/or learning stage between the two users are closer, and the similarity between the two is higher.
- the target object and the candidate object may be on the same application platform.
- Each candidate object is configured with a corresponding object database, and records of information that the candidate object has queried are stored in the object database associated with the candidate object, so the object database stores candidate query records of the candidate object.
- the candidate query record is the same as the information query record. Depending on the type of information, it can record information that the candidate has queried, such as queried words or browsed articles.
- the manner of calculating the similarity according to the information query record and the candidate query record may be: the terminal device can respectively detect the number of occurrences of the character contained in each candidate query record in the information query record, and based on the number of occurrences As the similarity factor of the candidate query record, the similarity of the candidate object is calculated based on the similarity factors of all candidate query records.
- an associated object of the target object is selected from the candidate objects.
- the terminal device can calculate the similarity of each candidate object according to the order of the similarity values, The candidate objects are sorted, and the related objects of the target object are selected from the candidate objects.
- the terminal device may be set with a threshold for the number of associations.
- the terminal device may sort from large to small according to the similarity value, and select the first N candidate objects as associated objects, where N is The above-mentioned associated number threshold; the terminal device may also be set with a similarity threshold, and the terminal device may select a similarity value greater than the similarity threshold as the associated object.
- the number of associated objects is not fixed.
- a recommended information list matching the target object is generated based on the associated information database of the associated object; the associated information database contains historical query information of the associated object.
- each object has a corresponding information library, and the information library is used to record the information that the object focuses on, stored information, and/or browsed information. Therefore, after determining the associated object of the target object, the associated information base of the object identifier can be determined from the database according to the object identifier of the associated object.
- the associated information base is used to store all historical query information of the associated object, so that it can be based on Historical query information, extract the concerned information and stored information of the associated object.
- the terminal device may calculate the recommendation priority of the historical query information of the associated object in the associated information database, determine the recommended information from the historical query information based on the recommended priority, and generate recommended information from all the recommended information List.
- the method of calculating the recommendation priority may be: the terminal device can identify the information type of each historical query information, and select the information type that contains the largest number of historical query information as the main information type, and Set the recommended priority of all primary information types to the highest level, and set the recommended priority of all secondary information types as secondary information types, and set the recommended priority of all secondary information types to secondary information types, and so on, according to each history The level of the information type to which the query information belongs, and the recommended priority of the historical query information is determined.
- the recommended information lists of all the associated objects are merged to generate the to-be-pushed information list of the target object.
- the terminal device can extract the recommended information contained in the recommended information list of each associated object, and rearrange all the recommended information to obtain a list of information to be pushed about the target object.
- the terminal device may perform a push operation to the target object according to the recommendation information contained in the to-be-push list.
- the terminal device can determine the recommendation order according to the recommendation priority of each recommendation information, and sequentially push information to the target object based on the recommendation order.
- the recommendation priority can refer to the calculation method of S104, which will not be repeated here; or, the recommendation priority can be determined by the similarity of its corresponding associated object, if the corresponding associated object is more similar to the target object , The higher the push priority of the recommendation information of the associated object.
- the personal center network of the target user can be constructed based on the social network, and the similarity with the reference user can be calculated through the word database; when the similarity is greater than the similarity threshold, the closeness between the target user and the reference user can be calculated by the number of contacts;
- the word score is determined according to the similarity and intimacy, and then words with a score greater than the score threshold are recommended to the target user.
- the classification conditions of words are not clear, and the boundaries between word categories are blurred. According to the classification of words and the scores of word classifications, the similarity of points of interest between users is judged, and the personal center network is constructed.
- the embodiment of the present invention provides an information matching and recommendation method based on group intelligence perception, introduces the concept of group intelligence perception, collects the information review history of all users, and finds out the similarity to the target user's interest and the degree of overlap in the learning stage according to the information review history A large number of associated users, so as to match and recommend information that the target user is really interested in.
- the embodiment of the present invention can automatically match the learning stage of the target user, and automatically match and recommend words belonging to the current learning stage when the target user's learning stage is detected to change, which is more suitable for users to acquire long-term information.
- the information matching and recommendation method based on group intelligence perception proposed in the embodiment of the present invention accurately matches the user’s interest in information, and at the same time allows the information recommendation to intelligently match the learning stage the user is in to achieve personalized customization of information push and optimize users The learning experience in turn improves learning efficiency.
- the information pushing method obtains the query record of the target object that needs to perform information push, calculates the similarity between the candidate object and the target object according to the query record, and determines the similarity according to the similarity.
- Associated objects that have a strong association with the target object means that the browsing habits and information levels of the associated object are similar to the target object. Therefore, a recommended information list can be generated according to the associated information database of the associated object, and recommended by multiple associated objects The information list generates a list of information to be pushed for the target object, and pushes the information contained in the list to be pushed to the target object.
- the present invention does not only rely on the query record of the target object to determine the push information, but also determines the associated object with higher object attribute similarity to the target object based on the query record of the target object.
- the recommended information list is generated according to the associated information database of the associated object. Since different associated objects browse more information fields and the similarity between the associated object and the target object is relatively high, it can be inferred that the information field of the associated object is also very interesting. It is likely to be the information field that the target object is interested in. It achieves the purpose of automatically expanding the information field of the push information. While ensuring accurate push, it can also increase the scope of the information field and improve the information push efficiency of the target object.
- FIG. 2 shows a specific implementation flowchart of an information push method S102 provided by the second embodiment of the present invention.
- an information push method S102 provided in this embodiment includes: S1021 to S1026, which are detailed as follows:
- the calculating the similarity between the candidate object and the target object according to the information query record and the candidate query record of the candidate object includes:
- S1021 extract multiple pieces of first information of the target object from the information query record, and extract multiple pieces of second information of the candidate object from the candidate query record.
- the terminal device when the terminal device has obtained the information query record of the target object, it can extract the information that the target object has queried from each information query record, that is, the above-mentioned first information. By performing the above operations, multiple pieces of first information can be obtained.
- an information query record can include one piece of first information, or two or more pieces of first information.
- the target user when the target user writes query keywords, he can use the default query Or query the information in a batch query, so that one information query record can output multiple query results, so that one query record can correspond to multiple first information.
- the terminal device may obtain the article browsed by the target object, perform semantic analysis on the article, and extract the article Corresponding core keywords, for example, count the occurrence frequency of each candidate keyword in the article, select the core keyword based on the occurrence frequency, and identify each core keyword as the first information corresponding to the information query record.
- the specific operation process of extracting the second information from the candidate query record is the same as the step of extracting the first information. You can refer to the process of extracting the first information, which will not be repeated here.
- each of the first information word vector conversion models are respectively generated to generate a first word vector corresponding to the first information, and each of the second information is imported into the word vector conversion model to generate the The second word vector corresponding to the second information.
- the terminal device may store a word vector conversion model, which can convert the extracted information into a word vector expressed in the same dimension, so that the distance between the two information can be determined by the distance between the word vectors. The degree of relevance. Based on this, the terminal device can import the first information into the word vector conversion model, and calculate the first word vector corresponding to the first information; and import the second information into the word vector conversion model, and calculate the second information corresponding to the second information. Word vector.
- the terminal device may determine the dimension value of the first information in each part of speech dimension according to multiple preset parts of speech dimensions, so as to construct the first information of the first information according to the dimension value of each part of speech dimension.
- a word vector where the number of elements contained in the first word vector is consistent with the number of parts of speech dimensions.
- the word vector conversion operation can also be performed in the above manner.
- the terminal device can import the first information and the second information into the trained Word2Vec semantic model through the Word2Vec semantic model to obtain the first word vector and the second word vector.
- the first word vector and the second word vector are imported into a preset first similarity factor calculation model, and a first similarity factor between the candidate object and the target object is calculated.
- the terminal device can use the first word vector and the second word vector.
- the vector distance between vectors determines the degree of association between different information. If the distance between two vectors is smaller, the degree of association between the two information is greater; on the contrary, if the distance between two vectors is greater, it means two The smaller the correlation between the information.
- the terminal device may calculate the vector distance between each first word vector and the second word vector, and perform a weighted summation according to the vector distances, and use the weighted summation value as a candidate object The first similarity factor with the target object.
- the target attribute of the target object is obtained, and the candidate attribute of the candidate object is obtained.
- the terminal device can extract the target attribute of the target object from the object database according to the object identification of the target object.
- the target attribute can include the age, gender, address, education background, education background, etc. and the target of the target object.
- Object-related information can be extracted from the object database through the object identification of the candidate object.
- a second similarity factor between the target object and the candidate object is calculated according to the target attribute and the candidate attribute.
- the target attribute can determine the field of interest and/or the learning stage of the target object. Therefore, if the similarity between the target attribute and the candidate attribute is greater, it indicates the association between the candidate object and the target object. The greater the degree, based on this, the second similarity factor between the two objects can be calculated according to the target attribute and the candidate attribute.
- the terminal device may count the number of attribute items with the same parameter value in the target attribute and candidate attributes, and import the number of identical attribute items into a preset hash conversion function to calculate the The hash value corresponding to the number of the same attribute items is identified as the second similarity factor between the target object and the candidate object. If the number of the attribute item is larger, the corresponding second similarity factor is larger; on the contrary, if the number of the attribute item is smaller, the corresponding second similarity factor is smaller.
- the first similarity factor and the second similarity factor are imported into a preset similarity calculation model to determine the similarity between the target object and the candidate object; the similarity calculation
- the specific model is:
- Sim (A, X) is the similarity between the candidate object and the target control
- Sim IC (A, X) is the first similarity factor
- Sim SC (A, X) is the result The second similarity factor
- W IC and W SC are preset coefficients.
- the terminal device imports the calculated first similarity factor and the second similarity factor into the similarity calculation model, and performs a weighting calculation on the two similarity factors through the weighting weights corresponding to the first similarity factor and the second similarity factor. Sum, the summed value is regarded as the similarity between the target object and the candidate object.
- the candidate objects include not only the objects recognized by the target object but also unfamiliar objects, a larger data volume can be increased and the accuracy of matching and recommendation can be improved. Furthermore, additional user information is introduced. , That is, the above-mentioned target attributes and candidate attributes, which represent the characteristics of the learning stage. Based on the original browsing records, for different learning stages, matching and recommending information that meets both the interest and the learning level improves the accuracy of the push information .
- FIG. 3 shows a specific implementation flowchart of an information push method S1023 provided by the third embodiment of the present invention.
- an information push method S1023 provided in this embodiment includes: S301 to S302, which are detailed as follows:
- the importing the first word vector and the second word vector into a preset first similarity factor calculation model, and calculating the first similarity factor between the candidate object and the target object includes :
- each of the second word vectors and the first word vectors are respectively imported into a preset similarity distance calculation model to determine the similarity distance of the second word vector;
- the similarity distance calculation model is specifically:
- v 2i is the similarity distance of the i-th second word vector; Is the i-th second word vector; Is the j-th first word vector; L 1 is the total number of the first word vector; L 2 is the total number of the second word vector; Max ⁇ x ⁇ is the maximum value selection function .
- the terminal device can calculate the similarity distance between the two vectors through the cosine similarity, and select the first word vector with the shortest distance from the i-th second word vector from the first word vector, The cosine similarity between the closest first word vector and the second word vector is taken as the similarity distance of the second word vector.
- the terminal device can generate an information dictionary based on the first information and the second information, and the information dictionary is configured with a corresponding information number for each of the first information and the second information, and the terminal device can be based on The information number configures a distance vector of length L, that is, the aforementioned v 2 , where L is the total number of information contained in the information dictionary.
- L is the preset word vector length.
- the terminal device can calculate the first similarity factor between the candidate object and the target object according to the similarity distance. Since the distance between the target object and itself is 0, an array of all 1s can be used to identify the similar distance between the target object and itself.
- the terminal device encapsulates the similar distances of all second word vectors to form an L-dimensional distance vector about the candidate object, and calculates the vector distance between the two vectors based on the distance vector of the candidate object and the native vector of the target object.
- the vector distance may also be calculated by using the cosine similarity, so that the calculated result is used as the first similarity factor between the target object and the candidate object.
- the query record between the target object and the candidate object is calculated.
- the above similarity improves the accuracy of calculation of the first similarity factor.
- FIG. 4 shows a specific implementation flowchart of an information push method S1025 provided by the fourth embodiment of the present invention.
- an information push method S1042 provided in this embodiment includes: S401 to S403, which are detailed as follows:
- the target attribute includes the target age and the target address of the target object
- the candidate attribute includes the candidate age and the candidate address of the candidate object
- the calculation of the target attribute and the candidate attribute includes:
- a first distance value between any two candidate addresses is calculated, and a second distance value between any one of the candidate addresses and the target address is calculated.
- the target attribute includes the target address where the target object is located, and the candidate attribute of each candidate object also includes the candidate address where the candidate object is located.
- the terminal device can calculate the target address and all candidate addresses for pairwise combination, thereby calculating the first distance value between any two candidate addresses and the second distance value between any candidate address and the target address .
- a maximum distance value is selected from all the first distance values and the second distance value, and the maximum distance value is recognized as a distance reference value.
- the terminal device can select a distance value with the largest distance value according to the first distance value and the second distance value, and identify the distance value with the largest value as the distance reference value, so that the maximum geographic location distance can be determined.
- age A is the target age
- age X is the candidate age
- Add A is the target address
- Add X is the candidate address
- Max_Range is the distance reference value
- ⁇ and ⁇ are preset coefficients
- Min (age A ,age X ) is the minimum value selection function
- Range (Add A ,Add X ) is the distance calculation function
- the learning stage can be indirectly expressed from the age and geographic location of the user.
- the similarity in the learning stage between two objects is determined by age and geographic location, thereby calculating the second similarity factor, which can improve the accuracy of subsequent calculation of the similarity between two users.
- FIG. 5 shows a specific implementation flowchart of an information push method S104 provided by the fifth embodiment of the present invention.
- an information push method S104 provided in this embodiment includes: S1041 to S1044, which are detailed as follows:
- the related information database based on the related object generates a recommended information list matching the target object;
- the related information database contains historical query information of the related object, including:
- the historical query information whose query time is within a preset effective time range is selected as the effective query information.
- the terminal device after determining the associated object, the terminal device needs to determine the recommended information pushed to the target object based on the associated object. Based on this, the terminal device can detect the query time of each historical query information of the associated object, and select the pre- The historical query information within the effective time range is set as the effective query information.
- the effective time range can be from the current time to the time T, so that the historical query information recently browsed by the associated object can be obtained, so that the most interesting information of the associated object can be determined, and the timeliness of the recommended information is improved. accuracy.
- the terminal device extracts the corresponding second information from each valid query information, and counts the number of first occurrences of each second information in all valid query records. If the number of occurrences is greater, it means that the second information The higher the recommendation degree corresponding to the second information, the greater the probability that the target object is interested in the second information.
- the number of occurrences of the second information and the second word vector are imported into a recommendation degree calculation model to calculate the recommendation degree of the second information;
- the recommendation degree calculation model is specifically:
- the terminal device can convert the second information into the second word vector.
- the specific conversion method into the second word vector refer to the related description of S1022, which will not be repeated here.
- the above two parameters can be imported into the recommendation degree calculation model to calculate the recommendation degree of each second information.
- the greater the number of occurrences the greater the corresponding recommendation degree; if the similarity between the second word vector of the second information and the first word vector of the target object is greater, the recommendation degree of the second information is greater Big.
- the recommended information list is generated.
- the terminal device may sort each second information from large to small according to the value of the recommendation degree of each second information, and generate a recommended information list corresponding to the associated object.
- the terminal device may be set with a maximum number of recommendations.
- the terminal device sorts each second information from largest to smallest according to the value of the recommendation degree, and selects the first N second information as the recommended information , Where N is the maximum recommended number of positions above.
- the terminal device may also be set with a recommendation threshold, identify all second information with a recommendation degree greater than the recommendation threshold as recommendation information, and generate a recommendation information list.
- the terminal device may be set with a maximum number of recommendations and a recommendation threshold, select second information with a recommendation degree greater than the recommendation threshold as candidate information, and select the first N candidate information as recommended information, and generate a recommended information list.
- the recommended information that needs to be pushed is selected, and the recommended information list is generated, which improves the accuracy of the recommended information and the relevance to the target user, and achieves accuracy The purpose of the information push.
- FIG. 6 shows a specific implementation flowchart of a method S105 for pushing information provided by the sixth embodiment of the present invention.
- an information push method S105 provided in this embodiment includes: S1051 to S1053, which are detailed as follows:
- the merging the recommended information lists of all the associated objects to generate the to-be-pushed information list of the target object includes:
- the terminal device can separately count the second appearance times of each recommended information in all recommended information lists according to the recommended information contained in each recommended information list. If the number of appearances is greater, it means that the recommended information corresponds to The higher the priority of the recommendation, the greater the probability that the target object is interested in the recommendation information.
- the push priority of each of the recommended information is determined according to the second number of occurrences.
- the terminal device may separately calculate the push priority of each recommended information according to the second number of appearances, for example, directly use the second number of appearances as the push priority of the recommended information.
- each recommendation information may be converted into a recommendation word vector, and based on the recommendation word vector and the second number of occurrences, it may be imported into the recommendation degree calculation model to calculate the push priority of each recommendation information.
- the list of information to be pushed is generated based on the push priority.
- the terminal device sorts all recommended information from large to small according to the value of the push priority, thereby generating a list of information to be pushed about the target object, and according to the push order in the list of information to be pushed, Push information to the target object.
- the push priority of each recommended information is determined, and a list of information to be pushed with the push priority order is generated, which can push the user in an orderly manner , Improve the accuracy of push operation.
- FIG. 7 shows a structural block diagram of an information pushing device provided by an embodiment of the present invention, and each unit included in the information pushing device is used to execute each step in the embodiment corresponding to FIG. 1.
- each unit included in the information pushing device is used to execute each step in the embodiment corresponding to FIG. 1.
- only the parts related to this embodiment are shown.
- the information pushing equipment includes:
- the information query record obtaining unit 71 is configured to obtain the information query record of the target object
- the similarity calculation unit 72 is configured to calculate the similarity between the candidate object and the target object according to the information query record and the candidate query record of the candidate object;
- An associated object selection unit 73 configured to select an associated object of the target object from the candidate objects based on the similarity corresponding to each candidate object;
- the recommended information list generating unit 74 is configured to generate a recommended information list that matches the target object based on the associated information database of the associated object; the associated information database contains historical query information of the associated object;
- the information to be pushed list generating unit 75 is configured to merge the recommended information lists of all the associated objects to generate a list of information to be pushed of the target object.
- the similarity calculation unit 72 includes:
- An information extraction unit configured to extract multiple pieces of first information about the target object from the information query record, and extract multiple pieces of second information about the candidate object from the candidate query record;
- the word vector conversion unit is configured to convert each of the first information word vector models to generate a first word vector corresponding to the first information, and to import each of the second information into the word vector conversion model, Generating a second word vector corresponding to the second information;
- the first similarity factor calculation unit is configured to import the first word vector and the second word vector into a preset first similarity factor calculation model, and calculate the first similarity factor between the candidate object and the target object. Similarity factor
- the object attribute obtaining unit is configured to obtain the target attribute of the target object and obtain the candidate attribute of the candidate object;
- a second similarity factor calculation unit configured to calculate a second similarity factor between the target object and the candidate object according to the target attribute and the candidate attribute;
- a similarity calculation unit configured to import the first similarity factor and the second similarity factor into a preset similarity calculation model to determine the similarity between the target object and the candidate object;
- the similarity calculation model is specifically:
- Sim (A, X) is the similarity between the candidate object and the target control
- Sim IC (A, X) is the first similarity factor
- Sim SC (A, X) is the result The second similarity factor
- W IC and W SC are preset coefficients.
- the first similarity factor calculation unit includes:
- a similarity distance calculation unit configured to respectively import each of the second word vectors and the first word vector into a preset similarity distance calculation model to determine the similarity distance of the second word vector; the similarity distance calculation model Specifically:
- v 2i is the similarity distance of the i-th second word vector; Is the i-th second word vector; Is the j-th first word vector; L 1 is the total number of the first word vector; L 2 is the total number of the second word vector; Max ⁇ x ⁇ is the maximum value selection function ;
- the similarity distance introduction unit is configured to calculate the first similarity factor between the candidate object and the target object according to the similarity distance of each of the second word vectors; the model for calculating the similarity is specifically :
- L is the preset word vector length.
- the target attribute includes a target age and a target address of the target object
- the candidate attribute includes a candidate age and a candidate address of the candidate object
- the second similarity factor calculation unit includes:
- a distance value calculation unit configured to calculate a first distance value between any two candidate addresses, and calculate a second distance value between any one of the candidate addresses and the target address;
- a distance reference value calculation unit configured to select a maximum distance value from all the first distance values and the second distance value, and identify the maximum distance value as the distance reference value;
- the user information importing unit is configured to import the candidate address of the candidate object, the candidate age, the target address of the target object, and the target age into a second similarity factor calculation model, and calculate the relationship between the candidate object and the The second similarity factor between target objects; the second similarity factor calculation model is specifically:
- age A is the target age
- age X is the candidate age
- Add A is the target address
- Add X is the candidate address
- Max_Range is the distance reference value
- ⁇ and ⁇ are preset coefficients
- Min (age A , age X ) is the minimum value selection function
- Range (Add A , Add X ) is the distance calculation function.
- the recommended information list generating unit 74 includes:
- An effective information selecting unit configured to select the historical query information whose query time is within a preset effective time range as effective query information based on the query time of each of the historical query information;
- the first occurrence counting unit is configured to count the first occurrences of each second information based on the second information corresponding to the valid query information;
- the recommendation degree calculation unit is configured to import the number of occurrences of the second information and the second word vector into a recommendation degree calculation model to calculate the recommendation degree of the second information;
- the recommendation degree calculation model is specifically:
- the recommendation information selection unit is configured to generate the recommendation information list based on the recommendation degree of each of the second information.
- the information to be pushed list generating unit 75 includes:
- a second appearance count counting unit configured to count the second appearance times of each of the recommended information in all the recommended information lists based on the recommended information contained in each of the recommended information lists;
- a push priority calculation unit configured to determine the push priority of each of the recommended information according to the second number of occurrences
- the push information selection unit is configured to generate the list of information to be pushed based on the push priority.
- the information pushing device also does not only rely on the query record of the target object to determine the pushed information, but also determines the associated object with a higher degree of similarity to the object attribute of the target object based on the query record of the target object. , And generate a recommended information list based on the associated information database of the associated object. Since different associated objects browse more information fields, and the associated object has a high similarity to the target object, it can be inferred that the associated object’s interested information field is also It is most likely that it is the information field that the target object is interested in. It achieves the purpose of automatically expanding the information field of the push information. While ensuring accurate push, it can also increase the scope of the information field and improve the information push efficiency of the target object.
- Fig. 8 is a schematic diagram of a terminal device according to another embodiment of the present invention.
- the terminal device 8 of this embodiment includes a processor 80, a memory 81, and a computer program 82 stored in the memory 81 and running on the processor 80, such as an information push program.
- the processor 80 executes the computer program 82, the steps in the foregoing method embodiments for pushing information are implemented, such as S101 to S105 shown in FIG. 1.
- the processor 80 executes the computer program 82
- the functions of the units in the foregoing device embodiments such as the functions of the modules 71 to 75 shown in FIG. 7, are realized.
- the computer program 82 may be divided into one or more units, and the one or more units are stored in the memory 81 and executed by the processor 80 to complete the present invention.
- the one or more units may be a series of computer program instruction segments capable of completing specific functions, and the instruction segments are used to describe the execution process of the computer program 82 in the terminal device 8.
- the computer program 82 may be divided into an information query record acquisition unit, a similarity calculation unit, an associated object selection unit, a recommendation information list generation unit, and a to-be-push information list generation unit, and the specific functions of each unit are as described above.
- the terminal device 8 may be a computing device such as a desktop computer, a notebook, a palmtop computer, and a cloud server.
- the terminal device may include, but is not limited to, a processor 80 and a memory 81.
- FIG. 8 is only an example of the terminal device 8 and does not constitute a limitation on the terminal device 8. It may include more or less components than shown in the figure, or a combination of certain components, or different components.
- the terminal device may also include input and output devices, network access devices, buses, etc.
- the so-called processor 80 may be a central processing unit (Central Processing Unit, CPU), other general-purpose processors, digital signal processors (Digital Signal Processor, DSP), application specific integrated circuits (ASIC), Ready-made programmable gate array (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc.
- the general-purpose processor may be a microprocessor or the processor may also be any conventional processor or the like.
- the memory 81 may be an internal storage unit of the terminal device 8, such as a hard disk or memory of the terminal device 8.
- the memory 81 may also be an external storage device of the terminal device 8, such as a plug-in hard disk equipped on the terminal device 8, a smart memory card (Smart Media Card, SMC), or a Secure Digital (SD) Card, Flash Card, etc. Further, the memory 81 may also include both an internal storage unit of the terminal device 8 and an external storage device.
- the memory 81 is used to store the computer program and other programs and data required by the terminal device.
- the memory 81 can also be used to temporarily store data that has been output or will be output.
- the functional units in the various embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
- the above-mentioned integrated unit can be implemented in the form of hardware or software functional unit.
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Abstract
Description
Claims (10)
- 一种信息推送的方法,其特征在于,包括:获取目标对象的信息查询记录;根据所述信息查询记录以及候选对象的候选查询记录,计算所述候选对象与所述目标对象之间的相似度;基于各个所述候选对象对应的所述相似度,从所述候选对象中选取所述目标对象的关联对象;基于所述关联对象的关联信息库,生成与所述目标对象匹配的推荐信息列表;所述关联信息库包含有所述关联对象的历史查询信息;对所有所述关联对象的所述推荐信息列表进行合并,生成所述目标对象的待推送信息列表。
- 根据权利要求1所述的方法,其特征在于,所述根据所述信息查询记录以及候选对象的候选查询记录,计算所述候选对象与所述目标对象之间的相似度,包括:从所述信息查询记录中提取所述目标对象的多个第一信息,以及从所述候选查询记录中提取所述候选对象的多个第二信息;分别将各个所述第一信息词向量转换模型,生成所述第一信息对应的第一词向量,以及将各个所述第二信息导入到所述词向量转换模型,生成所述第二信息对应的第二词向量;将所述第一词向量以及所述第二词向量导入到预设的第一相似因子计算模型,计算所述候选对象以及所述目标对象之间的第一相似因子;获取所述目标对象的目标属性,以及获取所述候选对象的候选属性;根据所述目标属性以及所述候选属性,计算所述目标对象以及所述候选对象之间的第二相似因子;将所述第一相似因子以及所述第二相似因子导入预设的相似度计算模型,确定所述目标对象以及所述候选对象之间的所述相似度;所述相似度计算模型具体为:Sim(A,X)=W IC·Sim IC(A,X)+W SC·Sim SC(A,X)其中,Sim(A,X)为所述候选对象与所述目标对照之间的所述相似度;Sim IC(A,X)为所述第一相似因子;Sim SC(A,X)为所述第二相似因子;W IC以及W SC为预设系数。
- 根据权利要求2所述的方法,其特征在于,所述将所述第一词向量以及所述第二词向量导入到预设的第一相似因子计算模型,计算所述候选对象以及所述目标对象之间的第一相似因子,包括:分别将各个所述第二词向量以及所述第一词向量导入到预设的相似距离计算模型,确定所述第二词向量的相似距离;所述相似距离计算模型具体为:其中,v 2i为第i个所述第二词向量的所述相似距离; 为所述第i个所述第二词向量; 为所述第j个所述第一词向量;L 1为所述第一词向量的总个数;L 2为所述第二词向量的总个数;Max{x}为最大值选取函数;根据各个所述第二词向量的所述相似距离,计算所述候选对象与所述目标对象之间的所述第一相似因子;计算所述相似度的模型具体为:其中,L为预设的词向量长度。
- 根据权利要求2所述的方法,其特征在于,所述目标属性包括所述目标对象的目标年龄以及目标地址;所述候选属性包括所述候选对象的候选年龄以及候选地址;所述根据所述目标属性以及所述候选属性,计算所述目标对象以及所述候选对象之间的第二相似因子,包括:计算任意两个所述候选地址之间的第一距离值,以及计算任一所述候选地址与所述目标地址之间的第二距离值;从所有所述第一距离值以及所述第二距离值中选取距离最大值,并将所述距离最大值识别为距离基准值;将所述候选对象的候选地址以及所述候选年龄和所述目标对象的目标地址以及所述目标年龄导入到第二相似因子计算模型,计算所述候选对象与所述目标对象之间的所述第二相似因子;所述第二相似因子计算模型具体为:其中,age A为所述目标年龄;age X为所述候选年龄,Add A为所述目标地址;Add X为所述候选地址;Max_Range为所述距离基准值;α和β为预设系数;Min(age A,age X)为最 小值选取函数;Range(Add A,Add X)为距离计算函数。
- 根据权利要求1-4任一项所述的方法,其特征在于,所述基于所述关联对象的关联信息库,生成与所述目标对象匹配的推荐信息列表;所述关联信息库包含有所述关联对象的历史查询信息,包括:基于各个所述历史查询信息的查询时间,选取所述查询时间在预设的有效时间范围内的所述历史查询信息作为有效查询信息;基于所述有效查询信息对应的第二信息,统计各个所述第二信息的第一出现次数;将所述第二信息的所述出现次数以及第二词向量导入到推荐度计算模型,计算所述第二信息的推荐度;所述推荐度计算模型具体为:基于各个所述第二信息的推荐度,生成所述推荐信息列表。
- 根据权利要求1-4任一项所述的方法,其特征在于,所述对所有所述关联对象的所述推荐信息列表进行合并,生成所述目标对象的待推送信息列表,包括:基于各个所述推荐信息列表包含的推荐信息,统计各个所述推荐信息在所有所述推荐信息列表中的第二出现次数;根据所述第二出现次数确定各个所述推荐信息的推送优先级;基于所述推送优先级生成所述待推送信息列表。
- 一种信息推送的设备,其特征在于,包括:信息查询记录获取单元,用于获取目标对象的信息查询记录;相似度计算单元,用于根据所述信息查询记录以及候选对象的候选查询记录,计算所述候选对象与所述目标对象之间的相似度;关联对象选取单元,用于基于各个所述候选对象对应的所述相似度,从所述候选对象中选取所述目标对象的关联对象;推荐信息列表生成单元,用于基于所述关联对象的关联信息库,生成与所述目标对象匹配的推荐信息列表;所述关联信息库包含有所述关联对象的历史查询信息;待推送信息列表生成单元,用于对所有所述关联对象的所述推荐信息列表进行合并,生成所述目标对象的待推送信息列表。
- 根据权利要求6所述的生成设备,其特征在于,所述相似度计算单元包括:信息提取单元,用于从所述信息查询记录中提取所述目标对象的多个第一信息,以及从所述候选查询记录中提取所述候选对象的多个第二信息;词向量转换单元,用于分别将各个所述第一信息词向量转换模型,生成所述第一信息对应的第一词向量,以及将各个所述第二信息导入到所述词向量转换模型,生成所述第二信息对应的第二词向量;第一相似因子计算单元,用于将所述第一词向量以及所述第二词向量导入到预设的第一相似因子计算模型,计算所述候选对象以及所述目标对象之间的第一相似因子;对象属性获取单元,用于获取所述目标对象的目标属性,以及获取所述候选对象的候选属性;第二相似因子计算单元,用于根据所述目标属性以及所述候选属性,计算所述目标对象以及所述候选对象之间的第二相似因子;相似度计算单元,用于将所述第一相似因子以及所述第二相似因子导入预设的相似度计算模型,确定所述目标对象以及所述候选对象之间的所述相似度;所述相似度计算模型具体为:Sim(A,X)=W IC·Sim IC(A,X)+W SC·Sim SC(A,X)其中,Sim(A,X)为所述候选对象与所述目标对照之间的所述相似度;Sim IC(A,X)为所述第一相似因子;Sim SC(A,X)为所述第二相似因子;W IC以及W SC为预设系数。
- 一种终端设备,其特征在于,所述终端设备包括存储器、处理器以及存储在所述存储器中并可在所述处理器上运行的计算机程序,所述处理器执行所述计算机程序时如权利要求1至6任一项所述方法的步骤。
- 一种计算机可读存储介质,所述计算机可读存储介质存储有计算机程序,其特征在于,所述计算机程序被处理器执行时实现如权利要求1至6任一项所述方法的步骤。
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