WO2021196639A1 - 消息推送方法、装置、计算机设备及存储介质 - Google Patents
消息推送方法、装置、计算机设备及存储介质 Download PDFInfo
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Definitions
- the embodiments of the present application relate to the field of deep learning technology, and in particular, to a message pushing method, device, computer equipment, and storage medium.
- the message push method is specifically as follows: the application server collects the historical running records of a certain application in different terminals, and statistically analyzes the above historical running records to obtain the time when all users of the station open the push message, and the operators are statistically analyzing the results The period during which most users open the push message is screened out as the sending period of the push message, and the server pushes the message in the determined sending period.
- the sending period of push messages is determined based on user groups, without considering individual differences, resulting in a low open rate of push messages.
- the embodiments of the present application provide a message pushing method, device, computer equipment, and storage medium.
- the technical solution is as follows:
- an embodiment of the present application provides a message pushing method, and the method includes:
- each piece of characteristic information in the n pieces of characteristic information is used to describe a one-dimensional characteristic of the first user, and the n is a positive integer;
- the timing estimation model is called to process the n pieces of characteristic information, and the expected opening rate of the first user in m preset time periods is obtained.
- the expected opening rate refers to the predicted target terminal being triggered to open the push message The probability that the target terminal is the terminal corresponding to the first user, and the m is a positive integer;
- an embodiment of the present application provides a message pushing device, and the device includes:
- An information acquisition module configured to acquire n pieces of characteristic information of the first user, each piece of characteristic information in the n pieces of characteristic information is used to describe a one-dimensional characteristic of the first user, and the n is a positive integer;
- the probability prediction module is used to call the timing prediction model to process the n pieces of characteristic information to obtain the expected opening rate of the first user in m preset time periods, where the expected opening rate refers to the predicted target Probability that the terminal is triggered to open the push message, the target terminal is the terminal corresponding to the first user, and the m is a positive integer;
- a time period determining module configured to determine a target time period in the m preset time periods based on the expected opening rate of the first user in the m preset time periods;
- the message push module is configured to send the push message to the target terminal within the target time period.
- an embodiment of the present application provides a computer device, the computer device includes a processor and a memory, the memory stores at least one instruction (or computer program), and the instruction is loaded and executed by the processor In order to realize the message push method as described in the above aspect.
- an embodiment of the present application provides a computer-readable storage medium having at least one instruction (or computer program) stored in the computer-readable storage medium, and the instruction is loaded and executed by a processor to achieve the above The message push method described above.
- the embodiments of the present application provide a computer program product in which at least one instruction (or computer program) is stored, and the instruction is loaded and executed by a processor to realize the message push as described above. method.
- the user's characteristic information is processed by calling the timing estimation model to predict the probability of the user opening the push message in different time periods, and then the best time to send the push message is determined based on the probability of the user opening the push message in different time periods.
- the message is pushed in the determined time period. Because the timing prediction model combines the characteristic information of individual users to make probability predictions, this process fully considers individual differences and realizes intelligent push for different users, making the determined message push timing more accurate. This will increase the open rate of push messages.
- Fig. 1 is a schematic diagram of user characteristics shown in an exemplary embodiment of the present application
- Fig. 2 is a schematic diagram of an implementation environment shown in an exemplary embodiment of the present application.
- FIG. 3 is a schematic diagram of message push shown in an exemplary embodiment of the present application.
- Fig. 4 is a flowchart of a message pushing method shown in an exemplary embodiment of the present application.
- Fig. 5 is a diagram showing the relationship between training time and test AUC gain under different negative sampling rates according to an exemplary embodiment of the present application
- Fig. 6 is a schematic diagram of sample data shown in an exemplary embodiment of the present application.
- Fig. 7 is a schematic diagram of test data shown in an exemplary embodiment of the present application.
- Fig. 8 is a flowchart of a message pushing method shown in another exemplary embodiment of the present application.
- FIG. 9 is a diagram showing the relationship between "time and the number of visitors" shown in an exemplary embodiment of the present application.
- FIG. 10 is a schematic diagram of message push shown in an exemplary embodiment of the present application.
- FIG. 11 is a comparison diagram of the number of openers between the related technology shown in an exemplary embodiment of the present application and the embodiment of the present application;
- FIG. 12 is a comparison diagram of the number of people who are closed between the related technology shown in an exemplary embodiment of the present application and the embodiment of the present application;
- FIG. 13 is a structural block diagram of a message pushing device shown in another exemplary embodiment of the present application.
- Fig. 14 is a structural block diagram of a computer device shown in an exemplary embodiment of the present application.
- Timing prediction model A mathematical model that predicts the probability of a user opening a push message in different time periods based on the user's characteristic information.
- the timing prediction model is trained using the characteristic information of sample users.
- the server collects data that the third-party application is triggered to run in a certain period of time, and determines the user corresponding to the terminal running the third-party application in the period as the sample user.
- the time period can be set by the server or by the relevant operators. For example, the time period is the last three days and the last two weeks.
- the server After the server counts the users corresponding to the terminal running the third-party application program within the preset time period, it filters the above-stated users based on the activity. Specifically, the server determines a user whose activity degree is greater than a preset threshold among users corresponding to the terminal running the third-party application program within the time period as the sample user.
- the user's characteristic information includes but is not limited to: user tag characteristics, user activity characteristics, user attribute characteristics, and scene characteristics.
- User tag features are used to define user attributes to outline a complete user portrait.
- User tag features can be used to describe the user's marriage and childbirth status (such as unmarried, married, childbearing, etc.).
- User tag features can also describe user interests (such as food, tourism, sports, etc.).
- User attribute characteristics are used to describe the basic attributes of the user (for example, age, gender, etc.).
- User activity characteristics are used to describe how often users operate on third-party applications.
- Fig. 1 shows a schematic diagram of user characteristic information shown in an embodiment of the present application.
- User attribute characteristics include three aspects: registration, basic, and level.
- the registration characteristics include user star rating, registration days, life cycle, etc.; basic characteristics include gender, age, occupation, etc.; level characteristics include education level, income level, consumption level, etc.
- User activity characteristics include the number of active days, the duration of active days, the number of active hours, and the duration of active hours.
- User tag features include two aspects, such as crowd and interest.
- the characteristics of the population may include having a baby, marriage, pregnancy, etc.; the characteristics of interest include home, gluttony, beauty, travel, sports, etc.
- Scene characteristics include current time, day of the week, and so on.
- the timing prediction model includes but is not limited to: Xgboost model, Logistic Regression (LR) model, Field-aware Factorization Machines (FFM) model, Deep Neural Network, DNN) at least one of the models.
- Xgboost model Logistic Regression (LR) model
- FFM Field-aware Factorization Machines
- DNN Deep Neural Network
- the Xgboost model uses a tree model as a classifier to output the probability value of each category in the multi-classification.
- the Xgboost model outputs the open probability of the user in different time periods.
- the mathematical expression of the Xgboost model is as follows:
- K represents the number of trees
- f k (x i ) represents the weight of the leaves where the i-th sample falls in the k-th tree
- F represents all the function spaces in the regression forest.
- the objective function Obj of the Xgboost model is as follows:
- ⁇ (f) is a regular term used to express the complexity of the tree, which can be expressed by the following formula:
- T represents the number of leaf nodes
- ⁇ represents the leaf node score
- ⁇ and ⁇ are coefficients.
- the objective function can use an additive training algorithm (Additive Training), and the process can be expressed by the following formula:
- Represents the model prediction for the tth iteration Represents the model prediction of the t-1th time
- f t (x i ) represents the prediction of the t-th tree, that is, the model prediction after the t-th iteration is equal to the previous t-1 model prediction plus the t-th tree Prediction.
- FIG. 2 shows a schematic diagram of an implementation environment involved in an embodiment of the present application.
- the implementation environment includes at least one terminal 21 and a server 22.
- the terminal 21 is used to receive push messages.
- the terminal 21 may be a smart phone, a tablet computer, a personal computer (Personal Computer, PC), a smart wearable device, and so on.
- a third-party application is installed in the terminal 21, and the third-party application has message push permission, that is, the third-party application is allowed to send push messages to the notification bar of the terminal for the user to view.
- the third-party applications include but are not limited to: shopping applications, social applications, information applications, music applications, and life service applications.
- the server 22 is used to send push messages to at least one terminal 21.
- the server 22 is a background server corresponding to the aforementioned third-party application.
- the server 22 may be one server, a server cluster composed of multiple servers, or a cloud computing service center.
- the server 22 stores a timing estimation model, and the timing estimation model is used to predict the probability of the user opening the push message in different time periods according to the characteristics of the user.
- the server 22 is used to call the timing estimation model to determine the probability of a certain user opening a push message in different time periods, and to determine what the user holds based on the multiple probabilities output by the timing estimation model.
- Some terminals send push messages during the best time period, and finally send push messages to the terminal held by the user in the best time period determined above, so as to increase the open rate of push messages.
- the terminal 21 and the server 22 establish a communication connection through a wireless network or a wired network.
- the aforementioned wireless network or wired network uses standard communication technologies and/or protocols.
- the network is usually the Internet, but it can also be any other network, including but not limited to Local Area Network (LAN), Metropolitan Area Network (MAN), Wide Area Network (WAN), mobile, wired or Any combination of wireless network, private network or virtual private network).
- technologies and/or formats including HyperText Mark-up Language (HTML), Extensible Markup Language (XML), etc. are used to represent data exchanged over the network.
- SSL Secure Socket Layer
- TLS Transport Layer Security
- VPN Virtual Private Network
- IPsec Internet Protocol Security
- the timing of message push needs to be optimized.
- the message push timing is optimized by predicting the open rate of push messages in different time periods.
- the embodiment of the application provides a message push method, which processes the user's characteristic information by calling the timing estimation model to predict the probability of the user opening the push message in different time periods, and then based on the user opening the message in different time periods The probability of pushing a message determines the best time to send a push message, and pushes the message in the determined time period. Because the timing estimation model combines the characteristic information of individual users to make probability predictions, this process fully considers individual differences and achieves targeting for different users. The intelligent push of the, makes the determined message push timing more accurate, thereby increasing the open rate of push messages.
- the server 31 stores the timing estimation model 33.
- the server inputs the target user's characteristic information 32 into the timing estimation model 33, and the timing estimation model 33 outputs that the user is within m preset time periods
- the server 31 screens out the target time period (that is, the time period for sending push messages) based on the expected open rate.
- the server 31 sends a push message 34 to the terminal 35, and then the terminal displays it on the notification bar Push message 34.
- FIG. 4 shows a flowchart of a message pushing method shown in an embodiment of the present application. This method is applied to the server 22 in the embodiment shown in FIG. 2. The method may include the following steps:
- Step 401 Obtain n pieces of characteristic information of the first user, where n is a positive integer.
- Each piece of characteristic information in the n pieces of characteristic information is used to describe a one-dimensional characteristic of the first user.
- the n pieces of feature information include but are not limited to: user tag features, user activity features, user attribute features, scene features, etc.
- the value of n can be actually determined according to the accuracy requirements of the timing estimation model, which is not limited in the embodiment of the present application.
- Step 402 Invoke the timing estimation model to process the n pieces of feature information, and obtain the expected opening rate of the first user in m preset time periods, where m is a positive integer.
- the timing prediction model is obtained by training the neural network with at least two sets of sample data.
- Each set of sample data in the at least two sets of sample data includes: at least one piece of characteristic information of the sample user, and the message opening rate of the sample terminal corresponding to the sample user within a preset time period.
- the message opening rate is the probability that the sample terminal of the indicator will trigger to open the push message within the preset time period.
- the message opening rate may be a first preset value or a second preset value, and the first preset value and the second preset value are different.
- the first preset value is used to indicate that the sample terminal will trigger to open the push message within the preset time period.
- the second preset value is used to indicate that the sample terminal will not trigger the opening of the push message within the preset time period.
- the first preset value is 1, and the second preset value is 0.
- the sample data with the message opening rate of the first preset value is positive sample data
- the sample data with the message opening rate of the second preset value is negative sample data.
- the ratio between the positive sample data and the negative sample data can be set according to actual needs.
- the negative sampling rate that is, the ratio between the negative sample data and all the sample data
- the negative sampling rate can be set to 1%.
- FIG. 5 shows the training duration at different negative sampling rates and the area under the test receiver operating characteristic curve (Receiver Operating Characteristic curve, ROC) curve (Area Under Curve, AUC) provided by an embodiment of the present application.
- ROC Receiveiver Operating Characteristic curve
- AUC Average Under Curve
- the message opening rate is determined according to the historical access records corresponding to the sample terminal.
- Historical access records are used to record the time information of the first user's access to the third-party application (access timestamp and duration), operation information (the type of operation performed by the first user on the third-party application, such as favorites, sharing, etc.) .
- the server obtains the occurrence time of valid access from the historical access record corresponding to the sample terminal, and sets the message opening rate corresponding to the preset time period in which the occurrence time is to the first preset value, and divides the occurrence time into the first preset value.
- the message opening rate corresponding to other preset time periods outside the preset time period in which the time is located is set to a second preset value.
- the effective access refers to the access for which the sample terminal accesses the third-party application program for a preset period of time.
- the foregoing preset period can be set according to actual needs, which is not limited in the embodiment of the present application.
- the preset duration is 10 seconds.
- FIG. 6 shows a schematic diagram of sample data provided by an embodiment of the present application.
- the message open rate from 9:00 to 10:00 is 0, the message open rate from 10:00 to 11:00 is 1, and the message open rate from 11:00 to 12:00 Is 1, the open rate of messages between 12:00 and 13:00 is 0, the open rate of messages between 13:00 and 14:00 is 0, the open rate of messages between 14:00 and 15:00 is 0, and the rate of open messages between 14:00 and 15:00 is 0.
- the message open rate from 00:00 to 16:00 is 0, the message open rate from 16:00 to 17:00 is 1, and the message open rate from 17:00 to 18:00 is 1.
- the neural network can be any of Xgboost model, LR model, FFM model, and DNN model. In the embodiments of the present application, only the neural network is the Xgboost model as an example for description.
- the server obtains the following information from the historical visit records corresponding to the sample terminal: User A visits "xx reviews" at 10:49 and 16:25, and the visit time is 7 minutes and 11 minutes respectively, then It is determined that the message opening rate of user A in the two preset time periods of 10:00 to 11:00 and 16::00 to 17:00 is 1, and the message opening rate in other preset time periods is 0.
- the training process of the timing prediction model is specifically as follows: input at least one characteristic information of the sample user into the neural network, and the neural network outputs the predicted open rate of the sample user in the corresponding preset time period, and then the expected open rate Compare with the message open rate. If the error between the open rate and the message open rate is expected to be greater than or equal to the error threshold, the parameters of each layer of the neural network are adjusted, and the step of inputting at least one characteristic information of the sample user into the neural network is restarted until It is expected that the error between the opening rate and the message opening rate is less than the error threshold. At this time, the neural network after the parameter adjustment is saved to obtain the timing estimation model for completing the training.
- the parameters of each layer of the neural network include: the number of base classifiers, the depth of each tree, the minimum number of samples for internal node splitting and the minimum number of samples for leaf nodes; learning rate; number of features used; number of samples used and many more.
- the expected opening rate refers to the predicted probability that the target terminal is triggered to open the push message, and the target terminal is the terminal corresponding to the first user.
- the value of m can be set by the operator.
- the time lengths of the m preset time periods may be the same or different. In the embodiment of the present application, only the m preset time periods have the same time length as an example for description.
- the time length of the m preset time periods may be set by the server, or may be set by the operator, which is not limited in the embodiment of the present application.
- the value of m is 12, and the time lengths of the m preset time periods are all the same, each of which is 1 hour.
- the m preset time periods are 9:00 ⁇ 10:00, 10:00 ⁇ 11:00, 11:00 ⁇ 12:00, 12:00 ⁇ 13:00, 13:00 ⁇ 14:00, 14: 00 ⁇ 15:00, 15:00 ⁇ 16:00, 16:00 ⁇ 17:00, 17:00 ⁇ 18:00, 18:00 ⁇ 19:00, 19:00 ⁇ 20:00.
- the server also stores at least two sets of test data, and the test data is used for testing timing to predict whether the model has been trained.
- Each of the at least two sets of test data includes: at least one characteristic information of the test user, and the message opening rate of the test user in a preset time period. The message opening rate is determined according to the historical access records of the test terminal corresponding to the test user.
- FIG. 7 shows a schematic diagram of test data provided by an embodiment of the present application.
- the test user B Take the test user B as an example, its message open rate from 9:00 to 10:00 is 0, the message open rate from 10:00 to 11:00 is 0, and the message open rate from 11:00 to 12:00 Is 1, the open rate of messages between 12:00 and 13:00 is 1, the open rate of messages between 13:00 and 14:00 is 0, the open rate of messages between 14:00 and 15:00 is 0, and the open rate is 0 at 15
- the message open rate from 00:00 to 16:00 is 0, the message open rate from 16:00 to 17:00 is 0, and the message open rate from 17:00 to 18:00 is 0.
- the test procedure of the timing prediction model is specifically as follows: input at least one characteristic information of the test user into the timing prediction model, and the timing prediction model outputs the predicted opening rate of the test user in the corresponding preset time period, and then Compare the expected open rate with the message open rate. If the error between the expected open rate and the message open rate is less than the error threshold, the timing estimation model has completed training; if the error between the expected open rate and the message open rate is greater than or equal to the error threshold, then the timing estimation model The training has not been completed yet, and still need to continue to adjust.
- Step 403 Determine the target time period in m preset time periods based on the expected opening rate of the first user in m preset time periods.
- the target period is the period for sending push messages.
- the target period can be one or multiple.
- the embodiment of the present application does not limit the time length of the target period.
- the server determines a preset time period in which the expected opening rate exceeds the preset probability as the target time period.
- the preset probability can be set according to timing requirements, which is not limited in the embodiment of the present application. Exemplarily, the preset probability is 0.7.
- the server sorts the expected opening rates of the first user in the m preset time periods in descending order, and determines the preset time period ranked in the top k as the target time period.
- k is a positive integer less than or equal to m, which can be determined according to the number of required target periods.
- k is 1, that is, the server determines the preset time period in which the expected open rate is the largest as the target time period.
- Step 404 Send a push message to the target terminal within the target time period.
- the server sends a push message to the target terminal within the target time period.
- the server processes the user's feature information in multiple dimensions by invoking the timing estimation model to predict the probability of the user opening the push message in different time periods, and then determines the push message sending based on the predicted probability Time period, and push messages within the determined time period. Because this process fully considers individual differences, intelligent push for different users is realized, so that the determined message push timing is more accurate, and the open rate of push messages is improved.
- the technical solution provided by the embodiments of the present application processes the user's characteristic information by invoking the timing estimation model to predict the probability of the user opening the push message in different time periods, and then based on the user opening the push message in different time periods The probability of the message determines the best time period for sending the push message, and pushes the message during the determined time period. Because the timing prediction model combines the characteristic information of individual users to make probability predictions, this process fully considers individual differences to achieve different users. Intelligent push makes the determined message push timing more accurate, thereby increasing the open rate of push messages.
- the user's characteristic information is usually a semantic characteristic, it needs to be preprocessed before the timing estimation model is used to process the user's characteristic information.
- the message pushing method may include the following steps:
- Step 501 Determine the data distribution type of the i-th piece of characteristic information for the i-th piece of characteristic information in the n pieces of characteristic information, where i is a positive integer less than or equal to n.
- the data distribution type of the i-th feature information can be any of the following: continuous features and categorical features.
- continuous features For example, the number of active days, the duration of active days, the number of hourly actives, consumption level, income level, number of days of registration, life cycle, etc. are continuous features.
- gender, day of the week, education level, occupation, etc. are characteristics of disordered categories.
- Step 502 Based on the data distribution type of the i-th feature information, determine the preprocessing method corresponding to the i-th feature information.
- the corresponding preprocessing method is vectorization processing.
- Vectorization processing refers to transforming disordered category features into a numerical vector.
- the server uses a vector of length 2 to represent it. If the gender is male, its corresponding vector is (1, 0), and if the gender is female, its corresponding vector It is (0, 1), or, if the gender is male, its corresponding vector is (0, 1), if the gender is female, its corresponding vector is (1, 0).
- the corresponding preprocessing method is discretization.
- Discretization refers to the mapping of finite individuals in an infinite space to a finite space, which can realize the corresponding reduction of the data without changing the relative size of the data.
- the server first sets multiple value intervals according to the value range of the continuous feature, and each value interval corresponds to a dimensional vector. If the continuous feature of a user belongs to the target value interval, then The vector element corresponding to the target value interval is the first value, and the vector elements corresponding to other value intervals are the second value. For example, the server sets 4 value ranges (0,0.5), [0.5,1.5), [1.5,2.5), [2.5,24), etc. If user A’s daily visit time is 1.2 hours, it belongs to [0.5 ,1.5), then the vector corresponding to user A's daily visit time is (0, 1, 0, 0).
- Step 503 Preprocess the i-th feature information according to the pre-processing method corresponding to the i-th feature information to obtain the i-th feature information after preprocessing.
- the server preprocesses the feature information according to the preprocessing method corresponding to each feature information to obtain data suitable for the timing estimation model processing.
- step 403 in the embodiment of FIG. 4 can be implemented as an alternative: calling the timing estimation model to process the i-th feature information after preprocessing, to obtain the expectations of the first user within m preset time periods Open rate.
- the technical solutions provided by the embodiments of the present application adopt different preprocessing methods for the characteristics of different data distribution types to obtain data suitable for processing by the timing estimation model, which can make the timing estimation possible.
- the model can converge quickly and improve the training efficiency of the timing estimation model.
- the server After the server completes this message push, it can verify and modify the timing prediction model based on the open status of the push message, so that the timing prediction model can more accurately determine the timing of the message push, and further improve the open rate of the push message.
- the message pushing method may further include the following steps:
- Step 1 Receive feedback information sent by the target terminal.
- Feedback information is used to describe the interaction of push messages.
- the interaction of the push message may include at least one of the following: whether the push message is triggered to open, the display time of the message display page after the push message is opened, whether the user performs an interactive operation on the message display page, and the interaction performed by the user on the message display page
- the operation type of the operation include but are not limited to: sharing, collecting, purchasing, etc.
- Step 2 Revise the timing estimation model according to the feedback message to obtain the revised timing estimation model.
- the server compares the expected opening rate output by the timing estimation model with the feedback information to obtain the error between the two, and then adjusts the parameters of each layer of the timing estimation model based on the above errors to obtain the revised timing estimation Model.
- the revised timing estimation model is used to determine the expected opening rate of the second user in m preset time periods when the next message push is performed.
- the technical solutions provided by the embodiments of the present application receive feedback information generated based on the user's interaction with the push message, and modify the timing estimation model based on the feedback information, so that the timing estimation model can be more improved. Accurately determine the time period for sending push messages, and further improve the open rate of push messages.
- FIG. 8 shows a flowchart of a message pushing method shown in another embodiment of the present application. This method is applied to the server in the embodiment of FIG. 2. The method may include the following steps:
- Step 801 Acquire the activity of the first user.
- the activity of the first user is used to quantify the activity of the first user.
- the user's activity level may be determined by one or more of the following characteristics: number of active days, duration of active day, number of hours of active activity, and so on.
- the number of active days refers to the number of days that the application corresponding to the push message is triggered to run, and the active duration refers to the length of time the application corresponding to the push message is triggered to run.
- the number of hourly active times refers to the number of times the application corresponding to the push message is triggered to run in one hour.
- the above-mentioned activity is positively correlated with the number of active days, the duration of active days, and the number of hourly actives. That is, the greater the number of active days, the greater the degree of activity, on the contrary, the smaller the number of active days, the lower the degree of activity.
- the server stores a first correspondence between different active days and score values, a second correspondence between different active days and score values, and the first correspondence between different hours of active times and score values.
- Three correspondences The server determines the first score value corresponding to the active days of the first user according to the above first correspondence, determines the second score value corresponding to the first user’s daily active time according to the above second correspondence, and according to the above third
- the correspondence relationship determines the third point value corresponding to the hourly active times of the first user, and then the first point value, the second point value, and the third point value are accumulated to obtain the activity level of the first user.
- Step 802 In response to the activity of the first user being greater than or equal to the second threshold, obtain n pieces of characteristic information of the first user.
- the second threshold may be set according to actual requirements, which is not limited in the embodiment of the present application.
- the server adopts a uniform random strategy to push the message in a preset time period.
- the preset time period is the preferred time period of most users, that is, the time period when most users access third-party applications or open push messages.
- Fig. 9 in combination, which shows a graph between the number of visitors in a day and the time. According to FIG. 9, the message push period corresponding to the low-activity user can be determined as the lunch period (11:00-13:00), the dinner period (17:00-19:00), and so on.
- the timing prediction model is used to predict the user's expected opening rate in different preset time periods, based on the above expected opening rate to determine the target time period for sending push messages, and then push the message within the target time period .
- the operating staff specifies the time period for sending push messages, and pushes the messages during this time period.
- Step 803 Invoke the timing estimation model to process the n pieces of feature information, and obtain the expected opening rate of the first user in m preset time periods.
- the expected opening rate refers to the predicted probability that the target terminal is triggered to open the push message, the target terminal is the terminal corresponding to the first user, and m is a positive integer.
- Step 804 Determine the target time period in m preset time periods based on the expected opening rate of the first user in m preset time periods.
- Step 805 Detect whether the target terminal meets a preset anti-fatigue rule.
- Pre-set anti-fatigue rules can be set by operators based on experience to reduce the probability of users turning off push messages.
- the preset anti-fatigue rules include one or a combination of the following: the target terminal is triggered to open the application corresponding to the push message in the first time period, the time between the time stamp of the last message push and the target time period The interval is less than the first threshold, the type corresponding to the push message is a preset type, and the copywriting template corresponding to the push message is the preset template.
- the first time period can be set according to the target time period. Specifically, the time interval between the first period and the target period is less than the time threshold. Exemplarily, the target time period is from 10:00 to 11:00, and the first time period is from 00:00 to 10:00.
- the first threshold may be set according to an empirical value, which is not limited in the embodiment of the present application. Both the preset type and the preset template can be determined by the server according to the feedback information of the first user on the historical push message.
- Step 806 In response to the target terminal not satisfying the preset anti-fatigue rule, send a push message to the target terminal within the target time period.
- the type of push message and the copywriting template used for the push message do not meet user expectations At the time, no push message is sent, thereby reducing the probability of the push message being closed and improving the operation effect.
- the technical solution provided by the embodiments of the present application uses a timing prediction model to predict the time period for message push for users with high activity levels, and the operator determines the time period for message push for users with low activity levels.
- the time period of the push can improve the prediction accuracy and increase the open rate of push messages; further screening through pre-set anti-fatigue rules can reduce the probability of push messages being closed.
- FIG. 10 shows a schematic diagram of message push provided by an embodiment of the present application.
- the server predicts high-active users (users with higher activity) through the timing prediction model, and obtains different target periods corresponding to different high-active users.
- a uniform random strategy is used to determine the target time period corresponding to low-active users (for example, 10:00-13:00, 16:00-19:00), and the target time period corresponding to the above-mentioned high-active users and the target time period corresponding to low-active users are carried out.
- Integrate to obtain a distribution report which includes the correspondence between time periods and users who receive push messages, and then divides them through a clickthrough rate (CTR) model, a close rate model, and a strategy module based on manual rules.
- CTR clickthrough rate
- the publication is filtered, and then the content recall model is used to determine the push messages that need to be pushed to different users, and the sending queue is obtained, and then the server sends the push messages one by one according to the sending queue.
- FIG. 11 shows a comparison diagram of the number of clicks when using the technical solutions provided by the embodiments of the present application and the technical solutions provided by related technologies for message push.
- Curve 1 represents the number of clicks when the technical solution provided by the related technology is used for message push
- curve 2 represents the number of clicks when the technical solution provided by the embodiment of the application is used for message push.
- FIG. 12 shows a comparison diagram of the number of people who are closed when using the technical solutions provided by the embodiments of the present application and the technical solutions provided by related technologies to push messages.
- Curve 3 represents the number of closed messages when the technical solutions provided by related technologies are used for message push
- curve 4 represents the number of closed messages when the technical solutions provided by the embodiments of the present application are used for message push.
- FIG. 13 shows a block diagram of a message pushing device provided by an exemplary embodiment of the present application.
- the message pushing device can be implemented as all or a part of the terminal through software, hardware or a combination of the two.
- the message pushing device includes:
- the information acquiring module 1301 is configured to acquire n pieces of characteristic information of the first user, each piece of characteristic information in the n pieces of characteristic information is used to describe a one-dimensional characteristic of the first user, and the n is a positive integer.
- the probability prediction module 1302 is configured to call the timing prediction model to process the n pieces of characteristic information to obtain the expected opening rate of the first user in m preset time periods, and the expected opening rate refers to the predicted opening rate
- the time period determining module 1303 is configured to determine a target time period in the m preset time periods based on the expected opening rate of the first user in the m preset time periods.
- the message push module 1304 is configured to send the push message to the target terminal within the target time period.
- the technical solution provided by the embodiments of the present application processes the user's characteristic information by invoking the timing estimation model to predict the probability of the user opening the push message in different time periods, and then based on the user opening the push message in different time periods The probability of the message determines the best time period for sending the push message, and pushes the message during the determined time period. Because the timing prediction model combines the characteristic information of individual users to make probability predictions, this process fully considers individual differences to achieve different users. Intelligent push makes the determined message push timing more accurate, thereby increasing the open rate of push messages.
- the timing estimation model is obtained by training the neural network using at least two sets of sample data, and each set of samples in the at least two sets of sample data
- the data includes: at least one piece of characteristic information of the sample user, the message opening rate of the sample terminal corresponding to the sample user within a preset time period, and the message opening rate is determined according to the historical access record corresponding to the sample terminal.
- the at least one set of sample data includes positive sample data and negative sample data; the message opening rate included in the positive sample data is a first preset value, and the negative sample data includes the The message opening rate is a second preset value, and the first preset value is different from the second preset value.
- the device further includes: an information receiving module and a model correction module (not shown in FIG. 13).
- the information receiving module is configured to receive feedback information sent by the target terminal, where the feedback information is used to describe the interaction of the push message.
- the model modification module is used to modify the timing prediction model according to the feedback message to obtain a modified timing prediction model, and the modified timing prediction model is used to determine the second time when the next message is pushed.
- the device further includes: a preprocessing module (not shown in FIG. 13).
- Preprocessing module for:
- the i-th piece of characteristic information in the n pieces of characteristic information determine the data distribution type of the i-th piece of characteristic information, and the i is a positive integer less than or equal to the n;
- the i-th piece of characteristic information is preprocessed to obtain the i-th piece of characteristic information after preprocessing.
- the probability prediction module 1302 is configured to call the timing prediction model to process the i-th feature information after the preprocessing, to obtain the expected opening rate of the first user in m preset time periods.
- the device further includes: a rule detection module (not shown in FIG. 13).
- the rule detection module is used to detect whether the target terminal satisfies a preset anti-fatigue rule, wherein the preset anti-fatigue rule includes one or a combination of the following: the target terminal is in the first period Is triggered to open the application corresponding to the push message, the time interval between the time stamp of the last message push and the target period is less than the first threshold, the type corresponding to the push message is a preset type, The copywriting template corresponding to the push message is a preset template.
- the message push module 1304 is configured to send the push message to the target terminal in response to the target terminal not satisfying the preset anti-fatigue rule.
- the device further includes: an activity acquisition module (not shown in FIG. 13).
- the activity degree acquisition module is used to acquire the activity degree of the first user.
- the information acquisition module 1301 is configured to start execution from the step of acquiring n pieces of characteristic information of the first user in response to the activity of the first user being greater than or equal to a second threshold.
- FIG. 14 shows a schematic structural diagram of a computer device provided by an embodiment of the present application.
- the computer device 1400 is the server in FIG. 2.
- the computer equipment 1400 includes a central processing unit (Central Processing Unit, CPU) 1401, a system including a random access memory (Random Access Memory, RAM) 1402 and a read-only memory (Read-Only Memory, ROM) 1403 A memory 1404, and a system bus 1405 connecting the system memory 1404 and the central processing unit 1401.
- the computer device 1400 also includes a basic input/output (Input/Output, I/O) system 1406 that helps transfer information between various devices in the computer, and a module 1415 for storing an operating system 1413, application programs 1414, and other programs.
- the basic input/output system 1406 includes a display 1408 for displaying information and an input device 1409 such as a mouse and a keyboard for the user to input information.
- the display 1408 and the input device 1409 are both connected to the central processing unit 1401 through the input and output controller 1410 connected to the system bus 1405.
- the basic input/output system 1406 may also include an input and output controller 1410 for receiving and processing input from multiple other devices such as a keyboard, a mouse, or an electronic stylus.
- the input and output controller 1410 also provides output to a display screen, a printer, or other types of output devices.
- the mass storage device 1407 is connected to the central processing unit 1401 through a mass storage controller (not shown) connected to the system bus 1405.
- the mass storage device 1407 and its associated computer-readable medium provide non-volatile storage for the computer device 1400. That is, the mass storage device 1407 may include a computer-readable medium (not shown) such as a hard disk.
- the computer-readable media may include computer storage media and communication media.
- Computer storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storing information such as computer readable instructions, data structures, program modules or other data.
- Computer storage media include RAM, ROM, Erasable Programmable Read-Only Memory (EPROM), Electrically Erasable Programmable Read-Only Memory (EEPROM), flash memory or Other solid-state storage technology, Digital Video Disc (DVD) or other optical storage, tape cartridges, magnetic tape, disk storage or other magnetic storage devices.
- EPROM Erasable Programmable Read-Only Memory
- EEPROM Electrically Erasable Programmable Read-Only Memory
- DVD Digital Video Disc
- the computer device 1400 may also be connected to a remote computer on the network through a network such as the Internet to run. That is, the computer device 1400 can be connected to the network 1412 through the network interface unit 1411 connected to the system bus 1405, or in other words, the network interface unit 1411 can also be used to connect to other types of networks or remote computer systems (not shown) ).
- the memory further includes one or more programs, the one or more programs are stored in the memory, and the one or more programs include steps for performing the message push method provided in the embodiments of the present application.
- a computer-readable storage medium is also provided, and at least one instruction is stored in the computer-readable storage medium, and the at least one instruction is loaded and executed by a processor of a terminal to implement the foregoing method.
- the message push method in the example.
- the aforementioned computer-readable storage medium may be ROM, RAM, magnetic tape, floppy disk, optical data storage device, and the like.
- a computer program product is also provided.
- the computer program product When executed, it is used to implement the message pushing method provided in the above method embodiment.
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Abstract
Description
Claims (16)
- 一种消息推送方法,其特征在于,所述方法包括:获取第一用户的n条特征信息,所述n条特征信息中的每条特征信息用于描述所述第一用户的一个维度的特征,所述n为正整数;调用时机预估模型对所述n条特征信息进行处理,得到所述第一用户在m个预设时段内的期望打开率,所述期望打开率是指预测得到的目标终端被触发打开推送消息的概率,所述目标终端是所述第一用户对应的终端,所述m为正整数;基于所述第一用户在所述m个预设时段内的期望打开率,在所述m个预设时段中确定出目标时段;在所述目标时段内向所述目标终端发送所述推送消息。
- 根据权利要求1所述的方法,其特征在于,所述时机预估模型是采用至少两组样本数据对神经网络进行训练得到的,所述至少两组样本数据中的每组样本数据包括:样本用户的至少一条特征信息、所述样本用户对应的样本终端在一个预设时段内的消息打开率,所述消息打开率根据所述样本终端对应的历史访问记录确定。
- 根据权利要求2所述的方法,其特征在于,所述至少两组样本数据包括正样本数据和负样本数据;所述正样本数据所包括的所述消息打开率为第一预设值,所述负样本数据所包括的所述消息打开率为第二预设值,所述第一预设值与所述第二预设值不同。
- 根据权利要求1所述的方法,其特征在于,所述在所述目标时段向所述目标终端发送所述推送消息之后,还包括:接收所述目标终端发送的反馈信息,所述反馈信息用于描述所述推送消息的交互情况;根据所述反馈消息对所述时机预估模型进行修正,得到修正后的时机预估模型,所述修正后的时机预估模型用于在下一次进行消息推送时确定第二用户在所述m个预设时段内的期望打开率。
- 根据权利要求1所述的方法,其特征在于,所述获取第一用户的n条特征信息之后,还包括:对于所述n条特征信息中的第i条特征信息,确定所述第i条特征信息的数据分布类型,所述i为小于或等于所述n的正整数;基于所述第i条特征信息的数据分布类型,确定所述第i条特征信息对应的预处理方式;按照所述第i条特征信息对应的预处理方式,对所述第i条特征信息进行预处理,得到预处理后的第i条特征信息;所述调用时机预估模型对所述n条特征信息进行处理,得到所述第一用户在m个预设时段内的期望打开率,包括:调用所述时机预估模型对所述预处理后的第i条特征信息进行处理,得到所述第一用户在m个预设时段内的期望打开率。
- 根据权利要求1至5任一项所述的方法,其特征在于,所述在所述目标时段向所述目标终端发送所述推送消息之前,还包括:检测所述目标终端是否满足预先设定的防疲劳规则;响应于所述目标终端不满足所述预先设定的防疲劳规则,向所述目标终端发送所述推送消息;其中,所述预先设定的防疲劳规则包括以下一项或多项的组合:所述目标终端在第一时段内被触发打开所述推送消息对应的应用程序、上一次进行消息推送时的时间戳与所述目标时段之间的时间间隔小于第一阈值、所述推送消息对应的类型为预设类型、所述推送消息对应的文案模板为预设模板。
- 根据权利要求1至5任一项所述的方法,其特征在于,所述获取第一用户的n条特征信息之前,还包括:获取所述第一用户的活跃度;响应于所述第一用户的活跃度大于或等于第二阈值,从所述获取第一用户的n条特征信息的步骤开始执行。
- 一种消息推送装置,其特征在于,所述装置包括:信息获取模块,用于获取第一用户的n条特征信息,所述n条特征信息中的每条特征信息用于描述所述第一用户的一个维度的特征,所述n为正整数;概率预测模块,用于调用时机预估模型对所述n条特征信息进行处理,得到所述第一用户在m个预设时段内的期望打开率,所述期望打开率是指预测得到的目标终端被触发打开推送消息的概率,所述目标终端是所述第一用户对应的终端,所述m为正整数;时段确定模块,用于基于所述第一用户在m个预设时段内的期望打开率,在所述m个预设时段中确定出目标时段;消息推送模块,用于在所述目标时段内向所述目标终端发送所述推送消息。
- 根据权利要求8所述的装置,其特征在于,所述时机预估模型是采用至少两组样本数据对神经网络进行训练得到的,所述至少两组样本数据中的每组样本数据包括:样本用户的至少一条特征信息、所述样本用户对应的样本终端在一个预设时段内的消息打开率,所述消息打开率根据所述样本终端对应的历史访问记录确定。
- 根据权利要求9所述的装置,其特征在于,所述至少一组样本数据包括正样本数据和负样本数据;所述正样本数据所包括的所述消息打开率为第一预设值,所述负样本数据所包括的所述消息打开率为第二预设值,所述第一预设值与所述第二预设值不同。
- 根据权利要求8所述的装置,其特征在于,所述装置还包括:信息接收模块和模型修正模块;所述信息接收模块,用于接收所述目标终端发送的反馈信息,所述反馈信息用于描述所述推送消息的交互情况;所述模型修正模块,用于根据所述反馈消息对所述时机预估模型进行修正,得到修正后的时机预估模型,所述修正后的时机预估模型用于在下一次进行消息推送时确定第二用户在m个预设时段内的期望打开率。
- 根据权利要求8所述的装置,其特征在于,所述装置还包括:预处理模块;所述预处理模块,用于对于所述n条特征信息中的第i条特征信息,确定所述第i条特征信息的数据分布类型,所述i为小于或等于所述n的正整数;基于所述第i条特征信息的数据分布类型,确定所述第i条特征信息对应的预处理方式;按照所述第i条特征信息对应的预处理方式,对所述第i条特征信息进行预处理,得到预处理后的第i条特征信息;所述模型预测模块,用于调用所述时机预估模型对所述预处理后的第i条特征信息进行处理,得到所述第一用户在m个预设时段内的期望打开率。
- 根据权利要求8至12任一所述的装置,其特征在于,所述装置还包括:规则检测模块;所述规则检测模块,用于检测所述目标终端是否满足防疲劳规则,其中,所述防疲劳规则包括以下一项或多项的组合:所述目标终端在第一时段内被触发打开所述推送消息对应的应用程序、上一次进行消息推送时的时间戳与所述目标时段之间的时间间隔小于第一阈值、所述推送消息对应的类型为预设类型、所述推送消息对应的文案模板为预设模板;所述消息推送模块,用于响应于所述目标终端不满足所述预先设定的防疲劳规则,向所述目标终端发送所述推送消息。
- 根据权利要求8至12任一所述的装置,其特征在于,所述装置还包括:活跃度获取模块;所述活跃度获取模块,用于获取所述第一用户的活跃度;所述信息获取模块,用于响应于所述第一用户的活跃度大于或等于第二阈值,从所述获取第一用户的n条特征信息的步骤开始执行。
- 一种计算机设备,其特征在于,所述计算机设备包括处理器和存储器,所述存储器存储有至少一条指令,所述指令由所述处理器加载并执行以实现如权利要求1至7任一项所述的消息推送方法。
- 一种计算机可读存储介质,其特征在于,所述计算机可读存储介质中存储有至少一条指令,所述指令由处理器加载并执行以实现如权利要求1至7任一项所述的消息推送方法。
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