72results about How to "Avoid query" patented technology

The invention puts forward a software defined networking-based air and space information network business forwarding method. Different types of businesses of an air and space information network are different in service quality requirement for bandwidth, time delay and packet loss rates; a software defined networking concept is introduced, a centralized control mode is adopted, a control plane is separated from a data plane, and a business type-based tunnel control mechanism is built in a core network of an air and space information network topology; flow paths for different types of businesses are calculated in a plurality of tunnels according to reserved bandwidth, priority and tunnel business types Based on uploaded message flow tuple matching information transmitted via a south interface, whether business are forwarded based on grouping or labels can be determined. Based on data plane node stream state feedback information, label paths are re-planned based on priority when network resources are not enough. The forwarding mechanism designed in the invention is flexible and takes a whole picture into consideration, and air and space information network businesses can be delivered efficiently.

The embodiments of the invention provide key generation methods, a blockchain network service platform and a memory medium. A method is applied to the blockchain network service platform. The blockchain network service platform comprises a group. The group comprises at least three nodes which participating in transaction within the blockchain network service platform. The method comprises the steps of obtaining a cochain signing result corresponding to the group if the transaction participated in by the at least three nodes is finished, wherein the cochain signing result comprises a signing result of each node in the at least three nodes; and computing a group key of the group based on the cochain signing result through utilization of a first node, wherein the group key of the group is used for encrypting data when the data is transmitted, and the first node is any node in the at least three nodes.

The invention discloses a network equipment configuration system and method for a large-scale network environment of a network range. The network equipment configuration system comprises a virtual machine management module, a network equipment management module, an instruction decomposition and combination module and an instruction execution module. The instruction execution module acquires the configuration mirror image of the network equipment before configuration and initializes a connection pool and an instruction execution thread pool, and the network equipment management module judges whether the configuration request of the virtual machine management module is legal or not, constructs an execution instruction sequence and directly reflects an instruction execution effect into the configuration mirror image of the network equipment; the instruction decomposition and combination module decomposes the instructions into corresponding instruction execution queues and establishes dependency association; and finally, the instruction execution module executes the instruction execution thread pool in parallel, and environment construction is completed. According to the method, an instruction dependence detection concurrent execution mode is adopted, so that the configuration instruction execution efficiency is greatly improved, repeated network equipment configuration informationquery is avoided through network equipment configuration mirror images, and efficient construction of a large-scale network environment of a network target range is realized.

The invention relates to a method for performing data increment copying through hash value comparison. The method includes the following steps that a primary key sequence and a non-primary key sequence of a source list are determined; the hash value of the currently recorded non-primary key sequence value is calculated; the currently recorded primary key sequence value and the harsh value are stored in a first file according to the currently recorded primary key value ascending sequence; the harsh value of the non-primary key sequence value recorded after the change is calculated according to the primary key sequence value ascending sequence recorded after the change; data comparison is performed, data increment is obtained, and the data increment is marked and classified into a database; the primary key sequence value recorded after the change and the harsh value are stored in a second file; the first file is covered with the second file, and data increment copying is completed. The method is not limited by database types and does not intrude into the database or affect the database, and comparison efficiency is improved.

The invention discloses a power failure range visualization method based on GIS and power grid topology. The method comprises the following steps: constructing a full-coverage user-level power grid topology model, constructing a user-level GIS information model, extracting power grid power failure plan information, performing power grid power failure range topology analysis and visualizing a powergrid power failure influence range. Intelligent user-level power failure range analysis and a visualization function based on a GIS are realized. The defects of inaccurate analysis of the power failure influence range and poor readability of power failure information notification are overcome; meanwhile, the internet technology can be utilized, a power failure influence range visualization function is combined with a positioning function of a mobile phone APP; effective power failure information can be directionally pushed to users in an influence range at the first time, so that the users are prevented from querying the power failure information, the power service experience level of the users is greatly improved, the users can know the power failure in mind, telephone complaints causedby the power failure can be effectively reduced, and the workload of power service operators on duty is reduced.

The embodiment of the invention provides a history data inquiry method, a route server, a inquiry terminal and a distributed history data inquiry system. The history data inquiry method includes obtaining network address of all acquisition stations by the route server; regularly testing the acquisition stations to judge whether the acquisition stations are in movable state, judging whether a route table formed by the movable state acquisition station network address and corresponding history data source identification has update according to test result, if yes, sending the route table updated by the route server to the inquiry terminal, updating a local route table by the inquiry terminal according to the received route table; breaking original connection, establishing new connection according to updated local route table and each movable acquisition station; searching acquisition station corresponding to object history data by the local route table, and obtaining subsequent corresponding history data from the acquisition station by using the established connection. By employing the embodiment of the invention, inquiry route confusion phenomenon can be avoided when using the inquiry terminal to inquiry history data.

The invention discloses a method for generating sub-queries through user configuration. According to the method for generating the sub-queries through the user configuration, views or the sub-queries for list processing of database tables according to conditions can be generated through interface configuration, and the generated views or sub-queries can be used as special to-be-selected database tables of report development steps during selecting database tables required by reports, so that the method can be used as a preprocessing device of a report development system, developers are not required to process complex queries and cleanse data, and the modification and the maintenance are facilitated.

The invention provides a user request processing system and a user request processing method for an electronic program guide (EPG) system. The user request processing system comprises an HTTP request processor, an HTML page register and an application interface module, wherein the HTTP request processor receives an HTTP request from a client and feeds back an HTML page generated according to the client request to the client; the HTML page register caches and manages the generated HTML page in a page cache region and searches a page requested by the client in the page cache region according to the received HTTP request; and the application interface module forwards the HTTP request needing to be processed to an associated EPG conventional service logic module for processing and writes the HTML page generated by the service logic module into the page cache region. The system of the invention can be in seamless joint with a service logic application program in the conventional EPG system, fully uses data and an HTTP content catching mechanism, increases multiplexing efficiency of acquired data or generated dynamic and static HTML pages, and improves the performance of the conventional EPG system by 5 to 10 times.

The invention provides a method for automatically generating a test script framework based on a test case document, comprising the steps of: s1, importing a target test case document; S2, reading eachtest case in the target test case document imported in the step s1, and writing each read test case into a List set created in advance correspondingly to obtain a List set of test cases; S3, traversing the test cases in the test case List collection, and generating and outputting a script frame corresponding to each currently traversed test case correspondingly. The invention also provides a system for automatically generating a test script framework based on a test case document corresponding to the method for automatically generating the test script framework based on the test case document. The invention is used for improving the efficiency of developing scripts by script developers.

The invention provides a method for solving complex text query of databases based on full-text retrieval of memories. A plurality of servers need to be provided; and each server provides a memory, so that a memory cluster is formed. The method comprises the following steps of 1, creating a memory database in each memory, and equably loading all fields in a relational database instance into the memory database of each memory, as key values; 2, establishing a corresponding index library for the memory database in each memory; and 3, performing text query on each index library in the memory through a retriever in a broadcast form, and returning a result to an application system. The invention furthermore provides a system for solving complex text query of the databases based on full-text retrieval of the memories. Therefore, the database query efficiency is greatly improved and the flexibility and expansibility are enhanced.

The invention discloses a black box attack method for a medical image segmentation neural network based on query, and the method comprises the steps: learning a disturbance construction mode through building probability distribution, continuously constructing new disturbance in iteration, generating an adversarial sample, and initiating the query of an attacked model; parameters of probability distribution are dynamically adjusted according to feedback of the attacked model, so that an adversarial sample which enables the attacked model to have serious segmentation errors is generated within fewer query times. According to the method, the prior information provided in the picture label is fully utilized, and the information can be focused on key foreground pixels in the picture during attack, so that unnecessary query is avoided, and the attack is more hidden; and meanwhile, the disturbance construction mode is dynamically adjusted according to the feedback of the attacked model, that is, the adaptive capability is achieved, and compared with other existing methods, the generated adversarial sample can enable the medical image segmentation neural network to generate larger segmentation errors.

The invention relates to data display, and provides a data storage method and device, equipment and a storage medium. The method comprises the steps of receiving a storage request, identifying operation information of a storage entity according to the storage request, if the operation information is smaller than a preset threshold value, carrying out capacity expansion processing on the storage entity to obtain a plurality of storage nodes, extracting to-be-stored data based on the storage request, generating a hash value of to-be-stored data according to the data object, traversing a storage object table of each storage node based on the hash value, if no hash value exists in the storage object table, counting capacity information on each storage node, selecting a target node from the storage nodes according to the capacity information, and writing the to-be-stored data into the target node, the data query efficiency can be improved, and data distribution balance can be ensured. In addition, the invention also relates to a block chain technology, and the target node can be stored in a block chain.

The invention discloses a multifunctional prison medical vehicle. The multifunctional prison medical vehicle comprises a vehicle frame, a computer, a camera, a display screen and a vital sign monitor,wherein a medicine frame is embedded in the vehicle frame; the computer is connected with and embedded in the vehicle frame located at the side of the medicine frame; meanwhile, a fixed arm is fixedly connected with and arranged at the edge of the upper surface of the vehicle frame; a gear rod is mounted on the inner wall of a limiting arm through a bearing; a threaded rod is embedded in the gearrod; a movable arm is fixedly connected with and arranged at the end part of the threaded rod; a display screen is fixedly connected with and arranged at the edge of the upper surface of the vehicleframe; and a vital sign monitor is fixedly mounted on the upper surface of the vehicle frame located at the side of the display screen. The multifunctional prison medical vehicle provided by the invention has the following advantages: the functionality is improved; face recognition can be easily performed; the operation is convenient and rapid; the working efficiency of medical staff is increased;omnibearing video monitoring on the medical vehicle can be easily performed; and vital sign monitoring is easy to carry out on a patient.

The invention discloses a charging fault management method of a charging pile and related equipment, and the method comprises the steps of collecting and recording the charging fault information of the charging pile, and generating a charging fault message; according to the charging fault message, judging a charging fault reason of the charging pile; classifying the charging fault reasons; and according to the charging fault reason and the corresponding classification, configuring the charging fault reason for the charging fault code of the charging pile. The problems that the existing management of the charging fault of the charging pile is relatively disordered, the charging fault is difficult to observe and monitor, the maintenance period of the charging pile is easy to prolong, the charging service efficiency of the charging pile is reduced, and the user experience is relatively poor can be solved.

The invention relates to the technical field of artificial intelligence, and discloses a billboard data source generation method and device, equipment and a storage medium, and the method comprises the steps: obtaining an initial burying point summary data set sent by a target application server according to a one-way linked list blocking queue of the target application server, and storing the initial burying point summary data set in a Redis database; acquiring a data updating timing task and burying point statistical configuration data according to a second preset time interval; and executing the data updating timed task, performing burying point summarized data statistics on each burying point keyword in the burying point statistical configuration data according to the Redis database to obtain target burying point summarized data corresponding to each burying point keyword, and updating each target burying point summarized data into the target billboard data source. The resources demand of back-end processing is reduced, an Oracle database is prevented from being adopted for data summarization and query, the CPU resources and memory consumption of a service database is reduced, and the generation efficiency of the data board is improved.

Disclosed are a character information output method and apparatus. The method comprises: obtaining a target character from a text; obtaining target character information that is matched with the target character; and outputting the target character information. Through the technical scheme, the target character, such as a popular character, an abbreviated character, an idiom, a verse, a rarely-used Chinese word group, a rarely-used Chinese character or the like, in the text can be automatically obtained, the target character information, such as the meanings of the popular character, the idiom and the verse, the full name of the abbreviated character, the pinyin of the rarely-used Chinese word group or the rarely-used Chinese character, the origin of the target character and the like, matched with the target character is obtained, and the target character information is output, so that the user that is unfamiliar with the target character can know about the target character according to the target character information, the user is prevented from performing query in other modes, and convenience is brought for the user.

The invention discloses a topology view loading and displaying method. The method includes following steps: S10, loading a topology view root domain and a plurality of topology sub-domains in the topology view root domain from a server; S20, caching topology elements and topology element states in a topology sub-domain from a browser according to the topology sub-domain selected by a user; and S30, loading and displaying a topology view in the topology sub-domain according to the topology elements and the topology element states cached in the browser. According to the method and system, the topology view root domain and the topology sub-domains are firstly loaded, and after the user selects the topology sub-domain, the topology elements and the states in the topology sub-domain are cached; loading is performed step by step, loading data at each step is reduced, and the loading speed can be increased; the cached topology elements and the topology element states are loaded and displayed; display data is read in a cache, and the display effect of the topology view and the user experience are enhanced; and frequent query of topology data to the server is avoided, and the waiting time for the user is reduced.

The invention discloses a food safety supervision and management system, which comprises a data acquisition module, a data storage module, a mathematical model establishing module, a data analysis module, a data dynamic rating module, a data output module and an early warning module. The data acquisition module is used for inputting the basic information of users and commodity circulation information. The data storage module is used for storing the input information. The mathematical model building module is used to build mathematical model. The data analysis module is used to input data, combined with mathematical model analysis of commodity circulation in the market in each link, to obtain abnormal information of commodity circulation. The data dynamic rating module is used to evaluate the user's business quality score and regional ranking. The data output module is used for outputting abnormal information of commodity circulation. The early warning module is used to alert the abnormal information. A food safety supervision and management method is also disclosed. The invention collects the data of each link, analyzes whether there is abnormality by using the mathematical model,rewards and punishes the superior and the inferior through the data publicity, and achieves the good market supervision effect.

A household control network protocol realizes control to the equipments in household network system and resources sharing. This invention relys on ISO standard and realizes a physical layer, data link layer and an applied layer characterizing in that the interface design in the physical layer is to receive changes on network communication line, not necessary to define physical medium data link layer judges and processes data information from a connection adaptive layer to analyses and processes data from a control interface delivered to the connection adaptive layer.

The invention discloses an IPv6 (Internet Protocol Version 6) network node identity security protecting method, which comprises the following steps: injecting a group of keys K1 into an initial network entry router of a node A and the node A, and storing, by the node A, a unicast IP address of the initial network entry router; acquiring, by the node A, a temporary sub-net IP address; sending, by the node A, an Internet access request message to a sub-net I router by using the temporary sub-net IP address; acquiring, by the sub-net I router, the key K1 of the initial network entry router; encrypting, by the sub-net I router, a unique PIN code of the sub-net I router and a random number by adopting the key K1, and feeding back to the node A; and decrypting, by the node A, the encrypted cyphertext X by adopting the key K1, and calculating the decrypted correct PIN code, the random number and an MAC (Multi-Access Control) address of the node A to acquire an interface identifier of a globalunicast IP address. According to the IPv6 network node identity security protecting method, the latter 64-bit address of the IPv6 unicast address of the node is obtained by security application and combined calculation, and the identity of an IPv6 network node is effectively hidden.

An embodiment of the invention provides an optical network unit loop detection method and device. The method includes the steps: firstly, judging whether a message transmitted from a first optical network unit and received by a passive optical network interface board is a loop detection message or not, and determining an identifier of a second optical network unit according to contents of the message if the message is the loop detection message; secondly, determining an identifier of a first optical network unit according to a logical link identifier of communication of the passive optical network interface board and the first optical network unit; finally, determining optical network units forming loops according to the identifier of the second optical network unit the identifier of the first optical network unit, and performing classification on the loops. By the aid of the technical scheme, the identifiers of the optical network units are set in the loop detection message, query ofan mac (media access control) table is avoided when the loops are detected, so that loops in an EPON (Ethernet passive optical network) system can be rapidly detected, normal operation of the EPON system is ensured, and normal network services are provided for users.

The invention discloses an ordering method and device, an ordering state management page providing method and device, an ordering data synchronization method and device, an ordering payment data processing method and device, and an ordering data output method and device. The ordering method comprises the steps that an ordering requester sends an ordering request based on current single-table ordering identification information; the ordering service provider determines whether table-sharing ordering identification information having an association relationship state with the current single-table ordering identification information exists according to the ordering request; if yes, outputting a table-sharing ordering state management page corresponding to the table-sharing ordering identification information; the ordering service provider obtains ordering data based on the table-sharing ordering state management page and synchronizes the ordering data to table-sharing ordering state management pages of other ordering requesters in the table-sharing range; according to the confirmation operation on the ordering data of the table-sharing ordering state management page, submitting the ordering data to an ordering service provider. After the table is spliced, the ordering data can be synchronized to each single table in the table splicing range.