39results about How to "Implement data access" patented technology

The invention provides a data analysis method based on big data. The data analysis method includes steps of receiving user-defined data mining process and component information to realize graphical data flow processing; generating codes conforming to Hadoop standards, converting a user-defined data mining process model into operable codes on the Hadoop; connecting data mining components to form the data mining process; utilizing a frame provided by Hadoop as a data mining process executing platform, submitting the codes to the executing frame and applying parallel computing capability of a cloud platform to parallelize the mining process. By the defined component model, the data mining process can be quickly and visually defined by users, and data access to various data storage systems is realized.

The invention discloses a method, a device and an intelligent card for accessing data, which realize data access of the virtual memory space of the intelligent card without using a memory management unit (MMU). The method comprises the following steps of: receiving a data access command, and determining a command type and a target address to be accessed according to the data access command; when the target address is determined to be a virtual address and the virtual address is in a set virtual address range, determining the offset amount of the target address in an page index of a non-volatile memory; and performing corresponding data access operation in storage space corresponding to the offset amount, wherein the data access operation corresponds to the determined command type. By adopting the technical scheme, the data access of the virtual memory space of the intelligent card is realized without using the MMU; the difficulty in performing the data access on the virtual memory space of the intelligent card is reduced; the method can be used for the intelligent cards without an MMU function; therefore, the universality is improved.

The invention relates to a citizen interaction system in city planning, which comprises a planning geographic information management platform, a planning geographic information collecting and updating platform, a planning summarized information database, an information processor, a network transmission unit and an interaction display terminal which are arranged in a server, wherein the planning summarized information database is managed by the planning geographic information management platform and the planning geographic information collecting and updating platform; and the planning summarized information database is connected with the network transmission unit and the interaction display terminal. City planning and design results, planning examination and approval business, tri-dimensional virtual city, city satellite remote sensing information and related multimedia information are integrated into a whole body to build the citizen interaction system in city planning, viewing of the related information of city planning becomes convenient for citizens the real-time inquiry of project status of planning examination and approval can be realized, an electronic original map browsing platform of city design and planning and applying for building is provided, and government information publicity, city planning propaganda, sunlight planning service and planning knowledge popularization are integrally integrated.

The invention provides a cross-data-block data access method, apparatus and system, and a computer readable medium. The method comprises the following steps: if a registered block chain device agreesto a registration request of a registration block chain device, the registered block chain device detects whether there are newly written block data in the registered block chain device; if yes, the registered block chain device obtains a monitoring address and a monitoring port corresponding to a pre-stored registered block chain device; and the registered block chain device pushes a message carrying the newly written block data to the registration block chain device through a secure communication channel formed by the monitoring address and the monitoring port. By adoption of the technical scheme of the invention, the monitoring of the registered block chain device by the registration block chain device and the notification of the registered block chain device on the registration block chain device are achieved through a registration mechanism, and finally cross-data-block data access is achieved. In the cross-data-block data access of the invention, no manual participation is needed, and the access efficiency is high.

The embodiment of the invention discloses a data processing method, a communication system and relevant equipment. The invention is used to realize the DMA access of IO equipment on the basis of multi-CPU. The method of the embodiment comprises the following steps that: a direct memory access DMA command is received, wherein, the DMA command comprises a DMA address of a memory for indicating the DMA operation access; according to the DMA command, a DMA address indicated by an address space of a receiver is acquired; according to the acquired DMA address indicated by the address space of the receiver, the memory is accessed. The embodiment of the invention also discloses the communication system and the relevant equipment. The embodiment of the invention can realize the DMA access of the IO equipment on the basis of the multi-CPU.

The invention relates to an access management method and system for storage data. The method comprises the steps that an access storage request is received, wherein the access storage request includes an access address and identity information; whether a storage unit which matches the access address exists is determined; if a storage unit which matches the access address exists, whether the identity information has the access right of the storage unit is determined; and if the identity information has the access right of the storage unit, data access is carried out on the storage unit according to the access storage request. According to the embodiment of the invention, a storage module does not need to take the initiative to collect the identity of a data access side, which reduces the hardware implementation cost and improves the efficiency of data access; whether the data access side can carry out data access is determined by double matching the storage unit and the access right; and the safety of the storage data can be effectively protected.

The invention relates to the technical field of automated production, in particular to a cloud service-based intelligent production system and an implementation method. A plurality of processes of production are defined as independent mobile warehouses, unique electronic labels start to be given to smallest package units of acceptable materials, and the information of the electronic labels is transmitted to a cloud ERP (enterprise resource planning) system; when the materials flow into the next mobile warehouse, the information of the electronic labels is read, moreover, the production action of the process is started, the information of the electronic labels is transmitted to the cloud ERP system when the process is complete and acceptable, the materials flow into the next mobile warehouse, and the cloud ERP system outputs real-time data by means of a display screen. The invention can acquire process information in time, intermediate delivery and warehousing acts do not exist, and thereby manpower and material resources are saved; the data of the cloud ERP system can be accessed, data processing requests and authorization can be implemented, and automated production and real-time data access and control can be realized.

The invention discloses an intelligent recognition control system which comprises a microprocessor, an analogue output module, and components mounted in a room including an air-conditioning panel, a check-out switch panel, a service request panel, a curtain control panel, a scene control panel, an intelligent power-on switch, a door lock power-on switch, an infrared sensor, an emergency push button and a door display module, wherein the microprocessor acquires the real-time state information of the intelligent power-on switch, the door lock power-on switch, the infrared sensor, the emergency push button and the door display module; and then the microprocessor outputs a control signal obtained through calculation according to the acquired real-time state information to the air-conditioning panel, the check-out switch panel, the service request panel, the curtain control panel and the scene control panel to control the electric appliances in the room, respectively. The intelligent recognition control system is rich in function, good in compatibility, and capable of realizing unified human-machine interface and cross-platform data access.

The invention discloses an intelligent cloud platform system based on a cloud communicator. The system comprises a cloud communicator. The cloud communicator adopts an industrial control mainboard tomanufacture a box-type industrial control computer. Cloud layer communication software is installed on the industrial personal computer. The cloud communicator is interconnected with a monitoring interface of the intelligent device. The cloud communicator is directly connected to the intelligent cloud platform. The cloud communicator is managed and subjected to data access through the intelligentcloud platform. The cloud communicator comprises a bottom layer operating system, a middle layer and a security authentication layer, the bottom layer operating system adopts a Linux + Docker operating system, and the middle layer comprises an interface communication service layer, a message service layer and a data service layer. The intelligent cloud platform system based on the cloud communicator has the following beneficial effects that the problem that a traditional intelligent automatic control system cannot be subjected to cloud loading can be solved, and direct integration of various communication protocol devices or systems on a cloud platform is achieved.

The invention provides a data transmission method between hosting applications. The method comprises the following steps: establishing a shared storage area of a first hosting application; receiving acalling instruction sent by the first host application, and forwarding the calling instruction to the second host application, wherein the calling instruction is used for indicating a second hostingapplication to read data in a shared storage area of the first hosting application; receiving a data access request for a shared storage area of the first host application sent by the second host application, and authenticating the data access request; if the authentication is passed, releasing the access request; and if the authentication fails, refusing the access request. Through the method provided by the invention, data access among different host applications is realized.

The invention discloses a data synchronization technology device and method based on nuclear power construction multi-project management and belongs to the technical field of application of the electronic information technology to a data synchronization technology system device and method in nuclear power construction project management. According to the system, a headquarter database server is used for establishing virtual private network (VPN) connection with at least one branch database server according to treaty rules on the basis of a database management system of the headquarter database server to form a structure which realizes data synchronization according to a multi-project data synchronization script and a task plan, wherein VPN connection is used for conducting data exchange on a public network. According to the data synchronization technology device and method based on nuclear power construction multi-project management, a data synchronization mode is adopted, and meanwhile the effects of realizing sharing and browsing of information resources between nuclear power projects and eliminating the information island phenomenon are achieved.

The object of the invention is to provide a multi-cluster management method and device. The multi-cluster management method comprises the following steps: acquiring historical operation data of a plurality of clusters; determining future demand information of the plurality of clusters based on the historical operation data; and determining cluster configuration information of the plurality of clusters based on the future demand information. Compared with the prior art, in the multi-cluster management method provided by the invention, the acquired historical operation data of the plurality of clusters is processed and analyzed to acquire the future demand information of the plurality of clusters, and the cluster configuration information of the plurality of clusters is determined based on the future demand information. Based on the cluster configuration information, the multi-cluster management method provided by the invention can be used for realizing reasonable distribution and configuration of resources of the plurality of clusters in a cross-regional multi-cluster and large-scale data processing environment to achieve the balance optimization of global resources, and can also be used for efficiently realizing cross-cluster data access maximally under the allowance of resource conditions between the clusters.

The embodiment of the invention discloses a data processing method, a communication system and relevant equipment. The invention is used to realize the DMA access of IO equipment on the basis of multi-CPU. The method of the embodiment comprises the following steps that: a direct memory access DMA command is received, wherein, the DMA command comprises a DMA address of a memory for indicating the DMA operation access; according to the DMA command, a DMA address indicated by an address space of a receiver is acquired; according to the acquired DMA address indicated by the address space of the receiver, the memory is accessed. The embodiment of the invention also discloses the communication system and the relevant equipment. The embodiment of the invention can realize the DMA access of the IO equipment on the basis of the multi-CPU.

The invention provides a data access method, a data access device and a server. If a received data access request is associated with at least two data sources in a plurality of data sources, a data query plan of the data sources associated with the data access request is generated; the data query plan is sent to a data source associated with the data access request by utilizing a Spark calculationengine and an encryption connector, and access data corresponding to the data access request returns through the data source. In the mode, the generated data query plan is encrypted and sent to the corresponding data source through the Spark calculation engine and the encryption connector, so that cross-data-source data access is realized, and data federation query among multiple data sources isrealized at a relatively low cost while the data security of each data source is ensured.

The invention provides a method and a system for storing remote sensing data on the basis of distributed file systems. Distributed storage frames for remote sensing application are created by the aid of the method, the remote sensing original image data, metadata and slicing data are stored, two access interfaces are defined and include a MongoDB access interface and an HDFS / Hbase direct access interface, and the method and the system are compatible with existing remote sensing data processing platforms. The method and the system have the advantages that different types of remote sensing data can be stored in a distributed manner according to the method, and the remote sensing data can be accessed and processed by the aid of the provided access interfaces.

The embodiment of the invention provides a mobile storage device and a data access method and device. The mobile storage device comprises a storage core for storing data, a wireless module for building wireless connection with electronic equipment and receiving a first control instruction of the electronic equipment through wireless connection, and a control module connected with the storage core and the wireless module for responding to the first control instruction of the electronic equipment for performing data access on the storage core so as to achieve data access of the electronic equipment to the storage core. According to the mobile storage device, the data access convenience is improved.

This invention discloses a realization method for a paged segmentation virtual storage system in Java operation system, which segments first, then pages in the segment to realize the management of a storage system in the Java operation system, in which, Java program can operates on an enough virtual space to secure that every segment has a complete logic meaning and reduce the generation of memory fragments.

The invention provides a data migration method and device, a network attached storage device and a storage medium, and relates to the technical field of communication. The data migration method comprises: in the process that a source network attached storage device migrates data to a target network attached storage device, the target network attached storage device receives a data access request sent by a client; the target network attached storage device determining a to-be-accessed file root directory according to the to-be-accessed file path; determining that the to-be-accessed file is stored in a source network attached storage device according to the to-be-accessed file root directory, wherein the target network attached storage device stores a corresponding relationship between the root directory and the source network attached storage device; and the target network attached storage device forwarding the data access request to the source network attached storage device, receivesthe to-be-accessed file sent by the source network attached storage device, and sends the to-be-accessed file to the client. By means of the technical scheme, on-line data migration can be achieved under the condition that the data access service is not interrupted.

The invention discloses a database access method supporting cross-network-segment scheduling, for enabling a client to access a target database, wherein the target database is located in a network segment different from a local network segment where the client is located. The database access method comprises the following steps: establishing an agent node which can access the target database; establishing a scheduling node, receiving and storing an access task to the target database from the client by the scheduling node, and allowing an access request to the target database to be called by the proxy node according to the access task; and calling the access request for the target database from the scheduling node by the proxy node, sending the access request to the target database, and forwarding a request result returned by the target database to the scheduling node. The database access method supports cross-network segment scheduling access, can ensure access real-time performance, does not need any hardware improvement, and has the advantages of simple operation and low cost.

The invention aims to provide a real-time data acquisition system which solves the defects that the data entry quantity is very large, the personnel cost of an enterprise is increased and the like. The real-time data acquisition system comprises a material data acquisition system, a warehouse quality detection system, an information management system and an alarm system; the material data acquisition system, the warehouse quality detection system and the alarm system are respectively connected with the information management system; the warehouse quality detection system comprises cameras, sound-light-electricity sensors, temperature and humidity sensors, flame sensors, dust sensors and infrared sensors which are installed on a plurality of goods shelves in a warehouse. The information management system comprises a data storage unit and a server. The warehouse quality detection system and the information management system are connected through a wireless network, wherein the data storage unit and the server are connected through the wireless network. The beneficial effects of the invention are that the system achieves the timely collection of the process information through the RFID and other electronic tag technologies, and saves the manpower and material resources; and automatic production and real-time data access and control are achieved.

The present application provides a method for transferring data between host applications, including establishing a shared storage area of ​​a first host application; receiving a call command sent by the first host application, and forwarding the call command to the second host application; The calling instruction is used to instruct the second host application to read data in the shared storage area of ​​the first host application; and receive a data access request sent by the second host application to the shared storage area of ​​the first host application and perform authentication; if the authentication passes, the access request is allowed; if the authentication fails, the access request is rejected. Through the method described in this application, data access between different hosting applications is realized.

The invention discloses a routing method and device for multiple HDFS clusters based on Alluxio. The method includes: mounting the path that needs to be routed in HDFS to the master node of Alluxio to form a routing table; the HDFS client goes to Alluxio The master node of the master node obtains the routing table and pulls it locally; parses the client's RPC request path according to the information in the routing table, and forwards it to the corresponding HDFS cluster according to the parsed path. The invention solves the problem of inconvenient management and maintenance of the Federation plus Viewfs configuration scheme.

The invention relates to a cluster management system, which comprises a nano-management cluster and a plurality of nano-managed clusters, the managed cluster comprises an inspection agent controller and an inspection state controller; the nano-management controller of the nano-management cluster is used for deploying the plurality of nano-managed clusters according to the registration information of the plurality of nano-managed clusters, determining a plurality of target nano-managed clusters according to the relationship between the nano-managed clusters and the generated inspection task, and sending the inspection task to the inspection task controller of the nano-management cluster; and the inspection task controller generates an inspection strategy and an inspection type, and issues the inspection strategy and the inspection type to the inspection agent controllers of the plurality of target hosted clusters, so that the inspection agent controllers execute the inspection task, and the inspection state controllers of the plurality of target hosted clusters report the inspection result to the hosted controller. According to the invention, reasonable distribution and configuration of resources among a plurality of target managed clusters are realized, so that cross-region unified management is realized, and the complexity of operation and maintenance is reduced.

The invention discloses a database access method supporting cross-network segment scheduling, which is used to enable a client to access a target database. The target database is located in a network segment different from the local network segment where the client is located. The method includes: establishing Proxy node, the proxy node can access the target database; establish a scheduling node, the scheduling node receives and stores the access task to the target database from the client, and allows the access request to the target database according to the access task for the agent node to retrieve; the agent node retrieves the access request to the target database from the scheduling node, sends it to the target database, and forwards the request result returned by the target database to the scheduling node node. The invention supports cross-segment scheduled access, can ensure real-time access, does not require any hardware improvement, and has the advantages of simple operation and low cost.

The invention relates to a backup method applied to a database of a radiotherapy department, comprising the following steps: 1) selecting a target backup system and source data to be backed up; 2) when compression is require, generating a data compression packet and carrying out step 3), and directly completing backup when compression is not required; 3) when data verification is need, performingsafety verification and restore data is generated, and backup is completed; when data verification is not needed, backup is directly complete. Compared with that prior art, the invention has the advantages of being applicable to multiple system backup, real-time, high security, visual interface management and the like.

The invention belongs to the technical field of urban rail transit, and particularly relates to an urban rail transit whole-process comprehensive supervision system which comprises an application layer, a data processing layer, a database, a data acquisition layer, a system compatibility layer and a hardware resource layer, and the application layer comprises a whole-process supervision platform;the data processing comprises big data processing and mining; the database comprises a real-time database, an application database, a rule database, a clock database and a time sequence database; thedata acquisition layer comprises SOA-oriented transverse integration; the hardware resource layer comprises a cloud platform basic environment; and the application layer, the data processing layer, the database, the data acquisition layer, the system compatibility layer and the hardware resource layer realize data access and service interaction between an upper-level system and a lower-level system through a system power shaft. The system solves the problems of low informatization level, backward application and construction mode and low systematic automation degree of the existing rail transit, and can be widely applied to background system construction of various rail transit.

The invention discloses a home security system for the Internet of Things, which is mainly composed of a fire extinguishing box, a communication module and an external alarm device. The fire extinguishing box includes a cabinet body and a cabinet door, and the cabinet door is hinged on one side of the front opening of the cabinet body by a hinge. Above, the cabinet is provided with horizontal partitions, and the partitions are fixed and connected to the inner surface of the cabinet in the form of welding or bolting; a dry powder fire extinguisher is placed in the cabinet, and the NB-IOT wireless communication in the present invention Compared with the existing common communication modules, the module has low cost and high data transmission speed. At the same time, it can be multiplexed with the existing cellular base stations, so the cost of use is lower. At this time, when the communication module has signal interference, the whole can be Correspondingly realize the alarm, and the external alarm device is relatively independent, and the overall electric control equipment is less, so not only the cost is low, but also the stability is high.

The invention discloses a method, a device and an intelligent card for accessing data, which realize data access of the virtual memory space of the intelligent card without using a memory management unit (MMU). The method comprises the following steps of: receiving a data access command, and determining a command type and a target address to be accessed according to the data access command; when the target address is determined to be a virtual address and the virtual address is in a set virtual address range, determining the offset amount of the target address in an page index of a non-volatile memory; and performing corresponding data access operation in storage space corresponding to the offset amount, wherein the data access operation corresponds to the determined command type. By adopting the technical scheme, the data access of the virtual memory space of the intelligent card is realized without using the MMU; the difficulty in performing the data access on the virtual memory space of the intelligent card is reduced; the method can be used for the intelligent cards without an MMU function; therefore, the universality is improved.

The embodiment of the invention provides an intelligent fire-fighting management system. The system comprises a fire-fighting data server side and a plurality of user sides, wherein the fire-fighting data server comprises a database with fire-fighting data information; a plurality of building data forms corresponding to the building name information are constructed according to the building names in the database. The user side is provided with a user browsing page, wherein the user side can input current building name information and visitor identity information of a user through a user browsing page and send the information to the fire-fighting data server side. The fire-fighting data server returns corresponding data to the visitor. According to the method, building name information is taken as a data division basis, and an access end operation process is simpler and more efficient, so that real-time performance and accuracy of fire-fighting early warning monitoring data are ensured. Meanwhile, the embodiment of the invention provides an intelligent fire control management method.

The invention provides a data migration method and device, a network attached storage device and a storage medium, and relates to the technical field of communication. The data migration method comprises: in the process that a source network attached storage device migrates data to a target network attached storage device, the target network attached storage device receives a data access request sent by a client; the target network attached storage device determining a to-be-accessed file root directory according to the to-be-accessed file path; determining that the to-be-accessed file is stored in a source network attached storage device according to the to-be-accessed file root directory, wherein the target network attached storage device stores a corresponding relationship between the root directory and the source network attached storage device; and the target network attached storage device forwarding the data access request to the source network attached storage device, receivesthe to-be-accessed file sent by the source network attached storage device, and sends the to-be-accessed file to the client. By means of the technical scheme, on-line data migration can be achieved under the condition that the data access service is not interrupted.