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719 results about "Data dynamics" patented technology

Reservation transaction system and method for idle parking space

A reservation transaction system for an idle parking space comprises a user terminal, a parking management system, a backstage management system and a transaction platform. A renter finishes information distribution and transaction of the idle parking space through the user terminal, and a tenant finishes reservation and transaction of the idle parking space through the user terminal. The independent parking management system is used for each parking lot and comprises a parking space lock, a centralized controller, a barrier and an IC (integrated circuit) card, the parking space lock is mounted on the parking space, the centralized controller is used for controlling the parking space lock, the barrier is arranged on an entrance and exit of the parking lot, and the IC card matched with the centralized controller is provided by the barrier. The backstage management system comprises a parking space data dynamic management module, a member data management module, a transaction system management module, a financial management module, an information distribution system management module and a marketing strategy management module. The transaction platform is used for managing data interaction among the user terminal, the parking management system and the backstage management system and distributing collected parking space information on a website. The problems of shortage of urban parking spaces and difficulty in parking are improved.
Owner:GUANGZHOU WEIWEN MOTOR

Integrated transfer learning method for classification of unbalance samples

The invention relates to an integrated transfer learning method for classification of unbalance samples, which comprises the following steps of: in the initializing process, giving different weights to positive and negative samples to ensure that the negative samples which account a small ratio for the total samples and have a large amount of information have large initial weights; in the training process in each round, extracting part of samples according to a certain ratio and using the selected samples as a training subset to carry out training, and after finishing the training, selecting the classifier with the smallest error from a plurality of simple classifiers as a weak classifier and regulating the training dataset according to a redundant data dynamic eliminating algorithm; and obtaining a weak classifier sequence after T rounds of iteration and overlaying and combining a plurality of weak classifiers into a strong classifier. According to the invention, the classification law of novel data which is distributed similarly with old data is found by effectively utilizing the classification law of the old data; particularly, a novel method is provided for solving the problem of classification of the data which is classified in an unbalance mode; the effect of a small amount of the negative samples in the classification process in the classification training process is ensured; the contribution rate of the negative samples is effectively improved; and the classification efficiency and accuracy are improved.
Owner:BEIJING TECHNOLOGY AND BUSINESS UNIVERSITY

Method for automatically creating database and dynamically recording data on the basis of configuration file

The invention belongs to the category of data management and data application, and relates to the improvement of a database creating process and a data recording and displaying process. The invention provides a method for automatically creating a database and dynamically recording data on the basis of a configuration file by aiming at an application scene that a relational database is used for recording and managing data. The method clearly defines the general format of the configuration file, compiles the configuration file according to a practical data structure, can automatically create the database and generates a data table on the basis of data configuration information. In a data recording process, a SQL (Structured Query Language) statement is dynamically generated according to the configuration information to store the data into the database. In a data analysis process, required data can be extracted from the database according to the configuration information and is visually displayed. The method can effectively adapt to data structure change and augmentation, and a new configuration file can be updated or complied to automatically generate a new database and a corresponding data recording and displaying function.
Owner:XIAN AIRCRAFT DESIGN INST OF AVIATION IND OF CHINA

Method and device for encrypting hard disk partition

The invention relates to the field of computers and discloses a method and device for encrypting a hard disk partition. The method and the device are used for preventing data leakage of a hard disk and increasing data safety of the hard disk. The method comprises the following steps: when a starting process of an operation system on a user terminal is triggered, after being subjected to USBKEY authentication, an encryption key can be guided into the operation system to be stored temporarily according to a pre-set safety transmission mechanism; after obtaining the encryption key, the user terminal takes an appointed hard disk partition as an encryption partition to mount; and read-write operation of the encryption partition is encrypted and decrypted according to the obtained encryption key, therefore, data dynamic read-write encryption and decryption are realized in a driving layer; by means of driving of an independent file system, hook hijacking of the original file system of the operation system by a third party is stopped, so that the data safety is effectively increased; furthermore, mounting of the encryption partition and seamless integration of the starting process of the operation system are realized, and the execution efficiency of a hard disk encryption process is increased.
Owner:LIAOYUAN HUANYU JIAXUN COMM TECH

Registration alignment system and method for operation navigation

The invention discloses a registration alignment system and method for operation navigation. The registration alignment system comprises a control engine, a first marking component, a second marking component, a location tracking device and an image capture device; CT data relative location information containing operation information and the first marking component is acquired through preoperative CT scanning, the image capture device is used for capturing the first marking component and the second marking component to acquire location information of the first marking component and the second marking component relative to the image capture device, the control engine is used for performing three-dimensional image reconstruction and registration alignment on the CT data in a location coordinate system according to pre-stored inter-location relation of the image capture device and the location tracking device in combination with the relative location information, the intra-operative location tracking device locates and tracks the second marking component in real time, and the control engine aligns a three-dimensional image dynamically according to real-time location tracking data. By the arrangement, the three-dimensional image high in precision, intuitive and easy to understand and aligned in real time can be obtained, and operation of doctors is facilitated.
Owner:刘洋 +1

Urban environment data dynamic monitoring and real-time marking electronic map system and use method

The invention provides an urban environment data dynamic monitoring and real-time marking electronic map system and a use method. The system comprises an environment data acquisition unit and a remote online server. The environment data acquisition unit comprises a box body, a central processing unit, a power supply module, a display module, an environment parameter sensor, a GPS positioning module and a wireless communication module, and is characterized in that the central processing unit, the power supply module, the GPS positioning module and the wireless communication module are installed in the box body, the display module is installed on a panel of the box body, a probe of the environment parameter sensor is installed at the position of a window formed in the box body, the GPS positioning module and an antenna of the wireless communication module are installed outside the box body, and a fixed installation part and a handle or a strap are arranged on the box body. The system is convenient to carry or move, various urban environment data can be densely acquired on the aspects of time and place, so that the data can be gathered, an electronic map can be dynamically marked with the data, and the data can be sent to a network to be looked over by people at any time.
Owner:JIANGNAN UNIV

Cloud environment data integrity verification method based on fully homomorphic encryption

ActiveCN108965258ADynamic data manipulation supportDynamic Operation SupportCommunication with homomorphic encryptionComputer hardwareData integrity
A cloud environment data integrity verification method based on fully homomorphic encryption comprises the steps of initializing parameters, initializing a secret key, generating a homomorphic label,storing a file and the label, initializing a verification challenge, generating an integrity evidence and verifying the integrity evidence. A fully homomorphic encryption algorithm and a mixed data dynamic data operation algorithm are utilized for performing data encryption, safety verification and performance optimization, thereby realizing a purpose of performing safety verification on the datastored in a cloud platform. The verification method comprises the steps of firstly, generating a homomorphic label by means of a fully homomorphic encryption method; secondly, performing remote numberintegrity verification on the data by means of the homomorphic label; thirdly, performing dynamic operation on the encrypted data by means of a mixed data dynamic operation method; and finally, performing safety analysis. Not only can high-efficiency supporting to a multi-granularity dynamic operation of the user realized, but also communication cost in performing the dynamic operation process bythe user and performing a remote data integrity verification process by an auditor can be reduced.
Owner:HENAN UNIV OF SCI & TECH

High-speed serial buss system capable of being dynamically reconfigured and control method thereof

The invention discloses a high-speed serial buss system capable of being dynamically reconfigured based on lines and a realize method thereof. The buss comprises a plurality of communication lines; node equipment connected with the buss comprises one or a plurality of main control node(s) and a plurality of subsidiary nodes, wherein only the main control node(s) can start buss communication process; the node equipment is wholly or partially physically connected with the communication lines; the main control node(s) and the each subsidiary node adopt a semiduplex serial buss topological structure to realize physical connection; the main control node(s) and the subsidiary nodes respectively at least comprises a line detection module and a data dynamic reconfiguration module; the line detection module of the main control node(s) and the line detection module of the subsidiary nodes can immediately detect the connection status between the main node(s) and the subsidiary nodes according toinformation words between the two modules; and the data dynamic reconfiguration modules in the main control node(s) and the subsidiary nodes ensure the distribution method of data frame on the buss according to the ensured buss connection status.
Owner:CAPITAL NORMAL UNIVERSITY

Method and system for realizing data consistency

The invention discloses a method and a system for realizing data consistency. A data access assembly receives user messages, dynamic structured query language (SQL) is generated according to the user messages, an extensive makeup language (XML) database configuration file is connected with a relationship database and obtains data, and then, the data is transmitted to an application layer; an overall buffer data set is inquired according to the overall property data access assembly object name and the data obtaining object name, the data is returned to the data access assembly when the data exists, and the data is transmitted to the application layer by the data access assembly; and according to the data access assembly object name and the data obtaining object name, an overall buffer memory assembly is created when no data exists, and the obtained data dynamic SQL, the data access assembly object name and the data obtaining object name are transmitted to the buffer memory assembly. The method and the system solve the problem of data consistency between a server buffer memory and the relationship database and have the advantages that the effectiveness of the server buffer memory data is ensured, the connection access to the relationship database is reduced, the access speed is accelerated, and the access efficiency is improved.
Owner:HUNAN CRRC TIMES SIGNAL & COMM CO LTD

Cloud storage system and method capable of supporting secure data deduplication and deletion

The invention belongs to the technical field of cloud storage, and discloses a cloud storage system and method capable of supporting secure data deduplication and deletion. The method comprises the following technical algorithms: providing secure data deduplication between different users by adopting a deduplication and encryption scheme and a server-assisted network structure; and building secureand efficient data deletion by using an encapsulation key tree. The invention further can support dynamic data updating, namely supporting interpolation, deletion and alteration operation of data inthe system. Efficient data updating is executed by adopting an increment data updating method, and only updated parts are required to be encrypted and uploaded. Through the combination with an increment updating technology, withdrawing/reworking operation of dynamic data is also considered, so that calculation and communication expenses for cloud storage are greatly reduced. Furthermore, detailedsecurity analysis and performance assessment are performed in the method disclosed by the invention. A result shows that the method disclosed by the invention can fulfill an expected security aim andalso realize efficient data deletion and deduplication operation.
Owner:XIDIAN UNIV

Multi-data interface comprehensive line loss management system based on intelligent power grid technology

The invention relates to a multi-data interface comprehensive line loss management system based on an intelligent power grid technology, belonging to the field of measurement. The multi-data interface comprehensive line loss management system is characterized in that a distributed line loss refined accurate comparison and analysis system is formed based on a.NET Remoting software system architecture to form a unified line loss management application platform; corresponding electricity settlements and electricity utilization information acquisition modes are respectively adopted for different types of users to form line loss statistics subsystems for the different types of users; data or information transmission between each line loss statistics subsystem and the unified line loss management application platform is carried out by using a sharing database interface form, a Web Service-based IDP (Integrated Data Processing) data access interface or a form of directly importing data from an Excel file; and acquisition, conversion, cleaning and storage of heterogeneous data distributed in different areas are realized, a data dynamic seamless interconnection mechanism and a real-time and quick information interaction mechanism are established to realize line loss refined comparison. The multi-data interface comprehensive line loss management system can be widely applied to the running/management field of electric systems.
Owner:SHANGHAI MUNICIPAL ELECTRIC POWER CO +1

Method for finely and accurately comparing line losses based on smart-grid technology

The invention discloses a method for finely and accurately comparing line losses based on a smart-grid technology, and belongs to the field of measurement. The method comprises electric quantity settlement of a user and electricity consumption information acquisition, and is characterized by comprising the following steps of: constructing a unified distributed analysis system for finely and accurately comparing the line losses based on .NET Remoting software system architecture; adopting corresponding electric quantity settlement and electricity consumption information acquisition modes aiming at different types of users to form line loss statistic subsystems aiming at the different types of users; performing data or information transmission between each line loss statistic subsystem and a unified line loss management application platform by adopting a shared database interface form, and a mode of directly importing data based on an integrated data processing (IDP) data access interface of Web Service or an Excel file; realizing acquisition, conversion, cleaning and warehousing of remote heterogeneous data, and establishing a data dynamic seamless interconnection mechanism and an information real-time fast interaction mechanism; and finally realizing the fine comparison of the line losses to ensure that user side information is visible and controllable. The method can be widely used in the field of operation/management of an electric power system.
Owner:SHANGHAI MUNICIPAL ELECTRIC POWER CO +1
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