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127results about How to "Guaranteed reusability" patented technology

Multi-policy commercial product recommending system based on context information

The invention discloses a multi-strategy commodity recommendation system basing on context information. The recommendation system acquires the operation information of a user through an information acquisition part which is operated by the user, analyzes the operation action of the user and establishes the interest description model of the user. During the interaction process between the user and an electronic commerce website, a recommendation strategy fitting the present user and the context information of the system is dynamically selected according to a strategy selection rule. The recommendation strategy describes and generates a personalized commodity recommendation list according with the interest and the requirement of the user according to the interest of the user. Through the selection of the recommendation strategy, the multi-strategy commodity recommendation system basing on context information improves the adaptability of the system to various applications and system dynamic changes. And compared with the existing recommendation system, the multi-strategy commodity recommendation system basing on context information is improved in the recommendation quality, the recommendation scale and the recommendation performance.
Owner:EAST CHINA NORMAL UNIV

Data correlation query method and data correlation query device

The invention provides a data correlation query device and a data correlation query method. The data correlation query device comprises a data acquisition unit, an SQL (structured query language) execution unit, a cache number-picking formula construction unit and a cache execution unit. The data acquisition unit is used for obtaining a fundamental field of a fact table and selecting a field of a dimension table based on the fundamental field to be used as an correlation field for correlation of the fact table and the dimension table; and the SQL execution unit is used for implementing query operations through SQL statements based on the fundamental field and a datasheet with the fundamental field, and obtaining a result set; the cache number-picking formula construction unit is used for obtaining a main key value corresponding to the correlation field from the result set, and constructing a cache number-picking formula in combination with a data path with the correlation field; and the cache execution unit is used for obtaining the value of the correlation field according to the cache number-picking formula and combining the value of the correlation field and the result set to obtain final query results. The fact table and the dimension table can be associated efficiently, results can be implemented efficiently, the fatal pressure on the system caused by correlation query of the fact table and the dimension table with a large number of data can be avoided, and the efficiency can be improved.
Owner:YONYOU NETWORK TECH

A virtual debugging system based on an OPC UA industrial communication protocol

ActiveCN109831354AOvercome the problem of not being able to connect multiple types of devicesSolve the problem of obtaining specified data in real timeProgramme-controlled manipulatorData switching networksInteraction layerSimulation
The invention discloses a virtual debugging system based on an OPC UA industrial communication protocol. Modules of the virtual debugging system are mainly divided into a data acquisition layer, a data interaction layer and a simulation equipment layer. The data acquisition layer comprises an industrial robot, a PLC and an OPC UA acquisition module; the data interaction layer comprises a data processing module, a Redis database module and an interaction interface module; the simulation equipment layer comprises a RoboDK simulation robot and a RoboDK simulation machining center; the data acquisition layer acquires output data of the PLC and the industrial robot through an OPC UA protocol, transmits the data as input to the data interaction layer, and writes the data transmitted by the datainteraction layer into equipment; the data interaction layer transmits data into the simulation equipment layer according to a data address configured by the interaction interface module and transmitsthe data of the simulation equipment layer to the data acquisition layer; the simulation equipment layer transmits data of the data interaction layer to the simulation model through an API, and transmits a signal of simulation equipment to the data interaction layer; and the system completes a virtual debugging function by controlling input and output of the simulation equipment.
Owner:ZHEJIANG UNIV OF TECH

Microblog rumor recognizing method and system based on propagation structures

The invention provides a microblog rumor recognizing method and system based on propagation structures. The microblog rumor recognizing method includes the steps that according to the machine learning method of a support vector machine, feature data of information features, user features and propagation features of microblogs serves as data, a graph kernel function is calculated with a random walking method, and a support vector machine model is accordingly built in cooperation with a classical radial basis kernel function and used for recognizing rumor; each microblog is represented with a propagation tree and a feature vector, wherein the propagation trees are used for representing the propagation structures in the propagation features, and the dimensions of the feature vectors are the information features, the user features and the propagation features of non-propagation structures; when the microblogs are recognized, the to-be-recognized microblogs are classified through the support vector model built with a model building module, and whether the to-be-recognized microblogs are rumor or not is judged according to the classification result. According to the microblog rumor recognizing method and system, due to comparison of the propagation structures of microblog information, the microblog rumor identifying accuracy and the microblog rumor recalling rate can be greatly increased.
Owner:SHANGHAI JIAO TONG UNIV

Universal cockpit display management system and method for developing corresponding display and control systems

The invention discloses a universal cockpit display management system. The universal cockpit display management system comprises a universal computer calculation module which runs the following program modules of: a file conversion module, a definition file parsing module, a run-time command processing module, an interactive event management module, an icon management module, a built-in icon library module, an extension icon library module, a system configuration information management module, an exception management module, an extension icon management module, a hardware interface layer and an OpenGL (Open Graphics Library) icon display library; and the universal cockpit display management system is a universal display system which supports ARINC 661 (Aeronautical Radio Incorporated 661) standard, supports the extension of user-defined icons and supports the display application of Various types of civilian and military aircrafts. According to the invention, the problems of lower reusability, difficulty in extension and high cost for certification of the traditional domestic airborne display software, are solved, the reusability and the extensibility of the airborne display software are improved, and the cost for verification and development of systems is effectively lowered.
Owner:CHINESE AERONAUTICAL RADIO ELECTRONICS RES INST

A system and a method for quickly building an FPGA digital simulation model

The invention discloses a system and method for quickly building an FPGA digital simulation model, and relates to the technical field of FPGA software verification. The method comprises the followingsteps: reading an RTL code of a tested piece, and extracting the name of the tested piece, the name, the bit width and the transmission direction of a port of the tested piece; generating a top-layercode file of the simulation model according to the acquired information; and in the top-layer code file of the simulation model, the tested piece module, the excitation generator module and the verification result detector are instantiated, the tested piece port is connected with the ports of the excitation generator module and the result detector module, and then a script file operated by the framework is created. According to the scheme, the establishment of the FPGA digital simulation model can be automatically realized, and the problem that the establishment of the existing FPGA software digital simulation model needs to be completed manually is relieved. And the generated simulation model follows a fixed mode, so that verification personnel are helped to quickly build the numerical simulation model, the consistency of codes among the projects is also helped, and the reusability of the codes is ensured.
Owner:THE GENERAL DESIGNING INST OF HUBEI SPACE TECH ACAD

Automatic test method and device, computer equipment and storage medium

The invention discloses an automated testing method and device, computer equipment and a storage medium, and the method comprises the steps: obtaining the first address information of a code management warehouse when an automated testing request is received; according to the first address information, obtaining a specified code corresponding to the automatic test request from a code management warehouse through a code management tool in a preset container cloud platform; generating an automatic test script corresponding to the specified code according to the specified code; pulling a preset Docker mirror image from the mirror image warehouse, and deploying the Docker mirror image in the container cloud platform; copying the automatic test script into a Docker mirror image in the containercloud platform to generate a corresponding pod; and executing the automated test script in the pod. According to the invention, the pod for automatic testing is generated by using the container technology and the mirror image technology, so that the reusability and maintainability of the testing operation environment of the automatic testing are effectively ensured, and the testing efficiency andthe testing stability of the automatic testing are improved.
Owner:PINGAN INT SMART CITY TECH CO LTD

128 bit secret key expansion method based on AES (advanced encryption standard)

The invention discloses a 128 bit secret key expansion system and a method based on an AES (Advanced Encryption Standard), which mainly solve the problems of low efficiency and high power consumption in a 128 bit secret key expansion process of an existing AES encryption algorithm. A realization process comprises the following steps of: storing an initial secret key at a first round of secret key expansion; using the stored initial secret key as a round secret key of the round; carrying out word circulation, byte substitution and bitwise XOR operation on the round secret key; storing the round secret key in a local register and an external storage unit simultaneously so as to be read by an encryption process; repeating the operation on the round secret key obtained through the former round; and finishing secret key expansion until 10 round secret keys are obtained. According to the 128 bit secret key expansion system and method based on the AES, the instantaneity of secret key expansion and the reusability of the round secret key can be ensured, the high efficiency and the low power consumption of secret key expansion are realized; and the system and the method can be applied to the 128 bit secret key expansion process of the AES encryption algorithm.
Owner:XIDIAN UNIV

Hardware interface management method

The invention discloses a hardware interface management method, is used for realizing a flexible calling mechanism and guarantees reusability and easy maintainability of a hardware interface. In the embodiment, a uniform interface method corresponding to hardware equipment of each hardware type is standardized, interface implementation for different hardware models corresponding to the hardware types is subpackaged into independent implementation files, then the implementation files are summarized to generate plural configuration templates, thus the automatic matching in a calling process can be realized. Meanwhile the hardware equipment of all hardware types in a hardware system are managed through a templated configuration mode, the templated and adaptable hardware interface management method can be realized, various configuration templates with different characteristics are formed so as to satisfy calling requirements of different business scenarios, the flexible calling mechanism is realized so as to guarantee the reusability and easy maintainability of the hardware interface. According to the hardware interface management method, the development and maintenance cost of the hardware system is reduced to a certain degree and meanwhile the function and service experience of the hardware system are enriched and improved.
Owner:LINEWELL SOFTWARE

Left/right-eye three-dimensional picture drawing method for three-dimensional (3D) virtual scene containing fuzzy reflection effect

The invention discloses a left/right-eye three-dimensional picture drawing method for a three-dimensional (3D) virtual scene containing a fuzzy reflection effect, and belongs to the technical field of drawing of 3D virtual scenes with sense of reality. The traditional left/right-eye three-dimensional picture drawing method for the 3D virtual scene adopts a mode of respectively and independently drawing image pictures of a left-eye virtual camera and a right-eye virtual camera to draw a three-dimensional picture. According to the method, drawing programs for the image pictures of the left-eye virtual camera and the right-eye virtual camera are respectively and simultaneously executed on a dual-core central processing unit (CPU), the image picture of the left-eye virtual camera is drawn from a first-row pixel, and the image picture of the right-eye virtual camera is drawn from a last-low pixel, so the reusability of calculation results of incidence radiant brightness during drawing of the image pictures of the left-eye virtual camera and the right-eye virtual camera are ensured. By an interpolation method based on gradient, the calculation results of the incidence radiant brightnessare reused during drawing. Compared with the traditional method, the invention has the advantages that: the speed of drawing the 3D virtual scene is increased by 20 to 35 percent.
Owner:CHANGCHUN UNIV OF SCI & TECH

A Service-Oriented Parallel Simulation Method of Group Behavior

The invention discloses a service-oriented group behavior parallel simulation method, aiming to solve the problems of long calculation time, poor scalability of simulation scale, poor reusability of simulation data and the like in the existing behavior simulation method. The technical solution is to first build a simulation software and hardware environment consisting of a scenario editor, a parallel simulation control server, each simulation node, and a rule analysis server; the scenario editor generates a scenario document; the parallel simulation control server generates a simulation application executable program; rule analysis The server constructs the behavior rule base and the task hierarchy planning diagram; the parallel simulation control server dispatches the simulation application executable program to start the simulation, and the rule analysis server provides task and rule analysis services; if the end event is intercepted, the simulation ends. The invention can speed up the development efficiency of group behavior simulation applications, improve the running speed of parallel simulation, enhance the real-time performance of simulation, make the simulation scale expandable, and the simulation data can be reused.
Owner:NAT UNIV OF DEFENSE TECH
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