10 results about "Object function" patented technology

Disclosed in the embodiments of the present application are an execution plan analysis method and apparatus for structured query language (SQL), which method and apparatus are used for improving SQL execution plan analysis efficiency. The method in the embodiments of the present application comprises: a computing device determining an object function of a target database, wherein the object function comprises structured query language (SQL) statements that have been modified on the basis of restructuring logic, and the restructuring logic is used for identifying, in an execution plan, data manipulation language (DML) statements in the object function; the computing device generating an execution plan on the basis of the object function, wherein the execution plan is used for indicating performance evaluation metrics corresponding to one or more DML statements invoked in the object function; and the computing device displaying a performance analysis result corresponding to the execution plan, wherein the performance analysis result is used for identifying, from among the one or more DML statements, a DML statement the performance evaluation metric of which is lower than a threshold value.

The embodiment of the invention provides an information pushing method and device, equipment and a computer storage medium. The method comprises the steps of obtaining interest attribute information corresponding to a to-be-pushed object, wherein the interest attribute information comprises at least one of associated image information, object brand information, object function information and object style information; based on the interest attribute information, a pushed object corresponding to the to-be-pushed object is determined, and the similarity between the pushed object and the to-be-pushed object is larger than or equal to a preset threshold value; based on the interested crowd corresponding to the pushed object, determining a target pushing crowd corresponding to the to-be-pushed object; and pushing information to the target pushing crowd based on the to-be-pushed object. In the embodiment, the similar objects are effectively determined through the interest attribute information, the target pushing crowd is determined based on the interested crowd corresponding to the similar objects, and then the information is pushed to the target pushing crowd, so that the quality and effect of the information pushing operation are effectively ensured.

A scenario parameter optimization device includes: an object function value calculation unit that calculates an object function value of a predetermined event, and an event occurrence time at which the predetermined event occurs on the basis of an execution result of a simulation test of a scenario including a first agent and a second agent, executed on the basis of a scenario parameter; a responsibility determination unit that determines whether or not the first agent is responsible for the occurrence of the predetermined event from a situation at a responsibility determination time before the event occurrence time, and outputs a result of the determination as a responsibility determination result; and a scenario parameter optimization unit that optimizes the scenario parameter in such a manner that the object function value decreases and the first agent is determined to be responsible for the occurrence of the predetermined event.

A data object definition and registration method includes invoking a user interface and placing a screen in the data object creation user interface. The method further includes selecting a data object in the user interface for association with different functions exposed by an application programming interface (API) of an application, the data object including one or more data elements and associated ones of the different functions. The method yet further includes associating in the user interface the data object with an external data object function defined separately from the selected data object as an event processible by an event handler, the association including reference to the one or more data elements and adding a control to the screen for the external data object function. Finally, the method includes registering the external data object function with an event handler.

Embodiments of the present application disclose a method and device for analyzing an execution plan of a structured query language (SQL), which are used for improving the analysis efficiency of the execution plan of the SQL. The method comprises the following steps: a computing device determines an object function of a target database, the object function comprising a structured query language (SQL) statement modified based on a reorganization logic, the reorganization logic being used for identifying a data manipulation language (DML) statement in the object function in an execution plan; the computing device generates an execution plan based on the object function, the execution plan being used for indicating a performance evaluation index corresponding to one or more DML statements in the object function; and the computing device displays a performance analysis result corresponding to the execution plan, the performance analysis result being used for identifying a DML statement whose performance evaluation index is lower than a threshold value in the one or more DML statements.

The application relates to a layered reconstruction imaging phase recovery method and device based on an object function implicit representation, wherein the method comprises the following steps: generating an implicit representation of an object function by using a preset deep neural network; randomly sampling each pixel volume between adjacent slices, and calculating a corresponding projection potential function value according to the coordinates of the sampling points; performing forward simulation of the projection potential function value for multi-slice layered imaging; defining a corresponding loss function according to the difference between the simulation data and experimental data; judging whether the loss function meets a preset convergence condition; if the loss function meets the preset convergence condition, sampling in a three-dimensional space position by using the implicit representation and performing phase recovery of a three-dimensional object function to obtain object function information meeting a preset optimal condition. The embodiment of the application utilizes the representation capability of a neural network and the function continuity of the neural network in a solution space, avoids the short board of a local optimization trap of a traditional method, and improves the accuracy of phase recovery.

The invention relates to a control unit (22) which is configured to control an object function (O) of a vehicle (10) ego ) and one or more object functions (O) of other static or dynamic objects or other traffic participants in the surrounding environment of the vehicle (10) n ) is used to calculate the criticality of the driving situation (I cri The present invention also relates to an object function (O) for a vehicle (10) ego ) and one or more object functions (O) of other static or dynamic objects or other traffic participants in the surrounding environment of the vehicle (10) n ) is used to calculate the criticality of the driving situation (I cri ) method.

A control unit (22) is configured for calculating a criticality (Icri) of a driving situation as an overlap integral of an object function (Oego) of an ego vehicle (10) with one or multiple object function(s) (On) of other road users or other static or dynamic objects in the surroundings of the ego vehicle (10). A method for calculating a criticality (Icri) of a driving situation as an overlap integral of an object function (Oego) of an ego vehicle (10) with one or multiple object function(s) (On) of other road users or other static or dynamic objects in the surroundings of the ego vehicle (10) is also provided.

A function-mapping method according to the present invention is for equipping a calculator determined by optimal solutions for mapping problems with a function to be connected via a path and comprises: a step for retaining information regarding a control system and service information which includes information regarding the function and information regarding the path; a step for determining an order in which mapping is performed; a step for extracting the service information and the information regarding the control system in the determined order; a step for determining, on the basis of the service information and the information regarding the control system, object functions of the mapping problems and executing calculations for optimizing the object functions; a step for determining, on the basis of the object functions optimized for each of the mapping problems and on the basis of the optimal solutions for all of the mapping problems, a calculator to be equipped with the function; and a step for equipping the determined calculator with the function.　As a result, the present invention can provide a function-mapping method which makes it possible to reduce searching time.

The invention relates to a processing part for constructing a pipeline twinborn model, and the processing part is configured to obtain point cloud data in a point cloud database, obtain a pipeline path by using an entity selection function based on the point cloud feature distribution condition in the denoised point cloud data, and perform iterative traversal on an entity database by using an entity object function; retrieving the point cloud object to obtain the spatial position coordinates of the point location; calculating the coordinates of the center point of the section of the pipeline by calculating the maximum value of the distance between any two points of the section, and calculating the center line of the pipeline according to the continuity of the coordinates of the center point of the section; after the multiple sections are executed to obtain multiple section center points about the pipeline, the section center points in the range are searched with the center point of each section as the relative original point and the distance value as the radius, retrieval is carried out, and therefore free tracking of pipeline extension simulation is achieved, and a complete pipeline model with the starting point and the ending point is formed.