115 results about "Database file" patented technology

The invention discloses a plant protection field literature information batch structured extraction method based on an AI large model, and belongs to the technical field of computer data processing and artificial intelligence application. According to the method, a PDF format literature is converted into a Markdown format text through a PDF literature self-adaptive preprocessing module and a Markdown conversion module; then, a double-strategy self-adaptive AI extraction module is adopted, different modes are adopted for processing according to a text length threshold value, and JSON data are extracted in combination with a JSON format data restoration strategy; then, the CPU intensive conversion task and the I / O intensive AI analysis task are processed in parallel through a two-stage parallel scheduling module, and a structured database file is generated through aggregation according to a predefined mapping rule through a multi-dimensional aggregation export module. According to the method, end-to-end automation from literature acquisition to structured data output is realized, and the problem of low extraction efficiency of manual literature reading information is solved.

The invention relates to the technical field of message recovery, and discloses an AI-based iOS device message recovery method and system, and the method comprises the steps: connecting an iOS device, positioning a database file of a message application, and obtaining a database file path list; reading an equipment storage sector, creating a physical mirror image, and analyzing a free block position mark in an APFS container super block; binary classification identification is carried out through an AI data block classification model, an SQLite page type label and a page mapping relation are obtained, deleted messages of a recombined database and a device end are determined, differential comparison is carried out on all historical backup snapshot records of an iCloud account, and cloud end deleted messages are obtained; according to the method and the system, the reorganization success rate of the database and the extraction integrity of the deleted messages are improved, and a technical solution is provided for comprehensive, accurate and efficient recovery of the iOS device messages.

Embodiments of the present application provide a database repairing method and an electronic device. The method comprises: in the case that a first database file is damaged, obtaining data of at least one field in the first database file, and generating a first data table based on the data of the at least one field, the first data table existing in a second database file obtained by repairing. The at least one field can be predefined by an application. For example, the at least one field can be a field predefined for carrying data important to a user. Thus, in the case that a database file is damaged, part of data can be obtained from the damaged database file, and the database can be repaired by itself. Therefore, the interference and influence on the user can be avoided as much as possible, and the user experience can be improved.

The invention relates to the technical field of database security, in particular to an SQLite database transparent encryption method, system and device based on a national cryptographic algorithm and a storage medium, and the method comprises the following steps: S1, when an SQLite database is opened, loading and connecting a hardware cryptographic device to obtain an encryption master key and a corresponding key handle; s2, in response to the write-in operation, calling a national secret symmetric encryption algorithm through a key handle, encrypting a plaintext of a database page to generate a page, and writing the page into a database file; s3, reading the ciphertext page in response to the reading operation, decrypting the ciphertext page through a cryptographic symmetric decryption algorithm adjusted by a key handle after analysis, recovering a plaintext page and returning the plaintext page to the application; and S4, circularly executing encryption writing and decryption reading to process the continuous request, and releasing the key handle and disconnecting the hardware connection until the database connection is closed. According to the method, transparent full disk encryption, meeting the national secret standard, of the SQLite database is achieved, the secret key safety and the operation performance are guaranteed through hardware cryptographic equipment, and good application compatibility is kept.

The invention discloses a bit-level CAN (Controller Area Network) data load reversing method and device based on hierarchical clustering. The method comprises the following steps: acquiring original CAN message data in a vehicle running process through a CAN data acquisition tool, and processing the CAN message data by utilizing a frequency matrix, a probability matrix, a bit flipping rate and a hierarchical clustering method to obtain CAN message signal characteristics; performing reverse analysis on the CAN message signal by analyzing the characteristics of the CAN message signal and combining the signal type of the automobile to obtain a reverse analysis result; and controlling the functions of the automobile based on the reverse analysis result. According to the method and the device, the problem of dependence on special equipment and a database (DBC file) private by a manufacturer in the prior art is solved, and the technical problem of more accurate and finer-grained signal automatic reverse analysis is realized.

The invention discloses an NoC verification method, device and equipment supporting RTL dynamic adaptation, and relates to the technical field of chips, the method comprises the steps that a new RTL version, an IP-XACT file, an NoC design document and a Database file are published together, the IP-XACT file and the NoC design document are analyzed through a pre-created automation tool, AMBA VIP is automatically connected and configured, and an NoC verification platform is updated; analyzing the Database file through the automatic tool, and carrying out content consistency detection on the IP-XACT file, the NoC design document and the Database file; wherein the automation tool comprises a component used for generating the NoC verification platform and a component used for detecting content consistency. According to the invention, efficient verification of complex scenes such as multi-NoC end-to-end communication and cross-NoC access in an SoC verification environment can be realized.

This invention discloses an automatic inspection report generation and display method, including the following steps: Step 1: drawing a configuration screen according to requirements and selecting a database connection based on actual conditions; Step 2: configuring database request parameters and data processing parameters or functions for the cell model targeting data point objects; Step 3: querying real-time cross-section data or historical database data according to the parameters configured in the configuration screen; Step 4: updating the data results after calculation operations for the cell model in the configuration screen; Step 5: converting the configuration screen to generate a report file or database file. This invention provides a unified, universal, and feasible automated process for requesting and displaying data based on the drawing, configuration, data request, and report export functions of the configuration screen. It also utilizes server scripts to ensure the program can run effectively for a long time and is readily available with the server, and provides a downloadable inspection report function on the system interface front end.

The application relates to the technical field of data processing, and discloses a service data migration method, device, equipment and storage medium, the method comprising the following steps: when receiving a service migration requirement of a user, generating to-be-migrated service data according to the service migration requirement; performing migration allocation on the to-be-migrated service data according to system overhead conditions, obtaining a migration detail file corresponding to the to-be-migrated service data and a to-be-migrated temporary file; migrating the to-be-migrated temporary file to a target system, so that the target system writes the to-be-migrated temporary file into a database file when a check result of the to-be-migrated temporary file meets data uniqueness. According to the application, the migration detail file and the to-be-migrated temporary file are allocated, data is automatically uploaded and partition processing is performed, the to-be-migrated temporary file is written into the database file only after data uniqueness is verified when the target system receives the to-be-migrated temporary file, data safety and integrity are ensured, migration data in a shutdown state is avoided, and the data migration efficiency is improved.

A database (DB) file backup method and apparatus, and an electronic device are provided. The method includes: an electronic device segments a DB file, to obtain local subfiles of the DB file, obtains a first local subfile from the local subfiles, and uploads the first local subfile to a server, where the first local subfile is a local subfile that does not have a corresponding server side subfile in the server; and / or obtains a second local subfile from the local subfiles, and uploads the second local subfile to the server, where the second local subfile is a local subfile that has a corresponding server side subfile in the server and that corresponds to a content comparison result indicating that the second local subfile and the corresponding server side subfile are inconsistent. In this case, a local subfile whose content does not change is not uploaded each time.

The invention provides an automatic testing method and system for tool chain database file analysis and mapping, and belongs to the technical field of automatic testing. The method comprises the steps that a source file is obtained, and first configuration data is obtained through analysis; obtaining a vehicle control operation system configuration file generated after the tool chain performs analysis and mapping processing on the source file, and performing analysis to obtain second configuration data; calling a mapping rule according to a to-be-tested configuration parameter object, and performing mapping processing on the first configuration data to obtain target configuration data; and performing automatic data comparison on the second configuration data and the target configuration data to generate a test report. The method has the beneficial effects that special verification is performed on the correctness of the configuration file of the vehicle control operation system mapped by the source file through tool chain analysis in the design and configuration stage, so that the configuration error of the tool chain caused by the file analysis and mapping error is found in time, the error is prevented from being left in the downstream code generation, integration and function test stage, and the operation efficiency is improved. And the later-stage troubleshooting, debugging and repairing cost is reduced.

The invention relates to a multi-source heterogeneous spatio-temporal data fusion modeling method and system. The method comprises the steps that a root directory is created on a computer system to serve as a physical address of a spatial data model; under the structure of the root directory, creating a subdirectory corresponding to each storage object type as a physical address of the storage object type; the storage object type comprises vector data, two-dimensional raster data and three-dimensional model data; adding related data of each storage object type in the core metadata system table; creating a database file corresponding to the storage object type under each subdirectory, initializing the database file, and generating an exclusive metadata table corresponding to the storage object type in the database file; the method comprises the following steps: acquiring two-dimensional and three-dimensional joint data of a live-action three-dimensional scene as to-be-stored data, calling a corresponding data conversion tool to convert the to-be-stored data based on the type of the to-be-stored data, storing the to-be-stored data in a corresponding database file in a corresponding storage mode, and associating the to-be-stored data with an exclusive metadata table in the database file.

The invention provides a method, a system and a device for testing a central security gateway. The method comprises the following steps: acquiring interface configuration information of a tested central security gateway, and constructing a test environment for testing the central security gateway; importing a whole vehicle communication protocol and a database file corresponding to the central security gateway, and generating a test case based on the whole vehicle communication protocol and the database file; according to the test case, controlling a plurality of interfaces to perform data interaction test on the central security gateway, and synchronously controlling power supply environment parameters in the test process; in the testing process, operation state data of all the interfaces and power supply state data corresponding to the power supply environment parameters are obtained; based on the operation state data of each interface, performing multi-interface association analysis according to a preset association rule; according to the multi-interface association analysis result and the power supply state data, the working state of the central security gateway under the test working condition is judged, and a test result is output.

In some embodiments, a system includes a processor and a non-transitory computer readable medium coupled to the processor, the non-transitory computer readable medium comprising code that constructs a minimum perfect hash (MPH)-based database file for use in an MPH database; generates, based upon MPH-based parameters, an MPH-based record for the MPH database file; generates, based on an MPH function and a first parameter of the MPH-based parameters and a second parameter of the MPH-based parameters, an MPH-based position index that maps to the MPH-based record; and utilizes the MPH-based position index to access the MPH-based record in the MPH database.

According to the database file synchronization method and system for achieving high availability of the databases, the operation record of the first database is automatically recorded into the log file, the operation record is synchronized to the second database through the synchronization thread and the transmission thread and executed, and synchronization of the two database files is achieved; on this basis, data backup and recovery and data persistence are realized; meanwhile, the switching process of the master node and the slave node of the database is optimized, the high availability of database files is effectively improved, and then the service stability and reliability based on the database are guaranteed.

The application relates to a vehicle-mounted bus communication database file detection method and device and a storage medium, and comprises the following steps: acquiring a vehicle-mounted bus communication database file to be detected; wherein the vehicle-mounted bus communication database file comprises a DBC file and / or an LDF file; analyzing the vehicle-mounted bus communication database file, storing a message corresponding to the vehicle-mounted bus communication database file read by the vehicle-mounted bus communication database file into a message list; polling the message list, detecting the message according to multiple preset detection items; and outputting a test report according to each detection result. The method can detect the message corresponding to the vehicle-mounted bus communication database file read according to the preset detection items, such as message length matching detection, detection of whether a signal initial value is in an expected interval and signal position repetition detection in the same message, so that the detection of the vehicle-mounted bus communication database file is efficiently and quickly completed, and support is provided for subsequent integrated development.

The invention discloses a digital content creation file management system, method and device and a storage medium, and the system comprises a data layer which communicates with a database, a file system and an external system, and stores and reads file versions and task information; the business logic layer is used for carrying out file management on the digital content creation file; wherein the file management comprises version control, file uploading, file downloading and cross-platform adaptation; the interface layer is used for providing a cross-platform graphical user interface so as to obtain interactive operation of a user; wherein the interface layer is provided with a dynamic menu unit, an information display unit and a version list unit; the plug-in layer is used for providing an adaptive plug-in for the digital content creation file management platform; and the interface layer is used for providing a unified API interface. According to the digital content creation file management system, the multi-layer digital content creation file management system is constructed, and the functions of all layers are effectively integrated, so that many problems of an existing management mode are effectively solved, and the overall management effect of the digital content creation file is improved.

The invention discloses a database offline evaluation method, device and equipment, a medium and a product. The method comprises the following steps: in response to a database offline evaluation request, determining a grammar file used for describing grammar for data to be transferred out of a database, and determining a to-be-evaluated database file and a preset tag configuration file; constructing an abstract syntax tree and a traversal device according to the syntax file, the database file and a preset tag configuration file, and traversing the abstract syntax tree by adopting the traversal device to determine a target function point contained in the database file; and for each target function point contained in the database file, performing a function execution operation or a rewriting operation, and recording a compatibility condition of the target function point to generate an offline evaluation report. According to the technical scheme, the preset tag configuration file independent of the evaluation tool is used for describing the related information of the function points, the adaptation degree of the evaluation scheme can be improved, and efficient and accurate database offline evaluation is achieved.

An application running on one or more edge devices for executing a plurality of transactions. A wrapper class captures the plurality of transactions executed by the application in form of a plurality of transaction logs. A remote directory includes one or more device directories corresponding to the one or more edge devices, wherein the one or more device directories store the plurality of transaction logs of one or more synced edge devices. A target database consolidator including a replicator to read the plurality of transactions, replicate each of the plurality of transaction logs of each of the one or more synced edge devices, generates a plurality of change log files for each of a plurality of command log files; a device scheduler manages scheduling of at least one of the one or more edge devices, the plurality of change log files for initiating data consolidation. A consolidator reads schema, the plurality of transactions from the plurality of change log files, consolidates the initial data from the plurality of replica database files into the target database.

The embodiment of the invention relates to the technical field of flight management, and provides a flight plan management method and device for a flight management system, and the method comprises the steps: analyzing a navigation database file of a target protocol, and writing the analyzed navigation data into a target database, the navigation data including airports, waypoints, routes and flight program data; a flight plan creating instruction input by a target user is received through CDU simulation unit software, and the flight plan creating instruction at least comprises a takeoff airport, a target airport and waypoint numbers or route names; based on the flight plan creation instruction, extracting target data from a target database, and generating a flight plan; receiving and responding to an activation instruction input by the target user, and activating the flight plan; and controlling the target flight trainer to execute the activated flight plan based on the activated flight plan. The creation, editing, activation and dynamic over-point calculation of the flight plan can be completely reproduced in the trainer through simulation software, and the cost is reduced.

The application provides a kind of natural resources and planning data application APP application method, comprising: collecting natural resources and planning data;Time natural resources and planning data are mapped, and mxd file is generated;Display object layer is generated gpkg database file using data processing tool;Based on the mxd file, mbtiles raster tile data is generated using cutout tool;Gpkg database file is written with position information;Through the function setting of natural resources and planning data application APP, the association of the mbtiles raster tile data and the gpkg database is carried out;Natural resources and planning data application APP reads data, and the map is shown through the mbtiles raster tile, and gpkg database is inquired to realize attribute browsing.The application can solve the problems of massive graphics and attribute linkage, safe use of sensitive data and slow data loading speed.

The application discloses a vehicle body control network communication signal automatic test method and system, comprising: analyzing a vehicle-mounted CAN network database file, extracting CAN bus, message ID, message name and signal name information, and generating a signal file; based on the signal file and a signal sending configuration file configured for each test signal, constructing a message sending queue through a priority queue and a real-time thread, sending a trigger CAN signal to a first to-be-tested hardware device based on the queue, triggering a second to-be-tested hardware device to run an Ethernet communication protocol executable file to send a trigger Ethernet signal to the first to-be-tested hardware device, receiving and recording response signals and time stamps of the to-be-tested hardware device; and analyzing signal values and communication timing and generating a test report. The application realizes automatic test, accurately coordinates multiple bus signal cooperation, forms a complete test closed loop, improves test efficiency and reliability, and is suitable for communication test of a vehicle body control multiple bus fusion architecture.

The application discloses a ship-shore information synchronization method in a Web-based ship management platform, which comprises the following steps: starting synchronization according to a timing synchronization time and a synchronization data range, initiating a synchronization request by a ship-side server, acquiring an upgrade information package by the ship-side server and installing the upgrade information package, judging whether the ship-side server identification is consistent with the MAC address of the ship-side server, stopping synchronization and performing synchronization in a manual mode if the ship-side server identification is not consistent with the MAC address of the ship-side server, otherwise, acquiring a shore base database file package by the ship-side server, judging whether the data package in the ship-side server is consistent with the shore base database file package, updating the data package in the ship-side server according to the shore base database file package if the data package in the ship-side server is not consistent with the shore base database file package, acquiring the data package of the ship-side server in the synchronization data range and regarding the data package as a to-be-updated data package, transmitting the to-be-updated data package to a shore base server, and updating the shore base server according to the to-be-updated data package. The method improves the data consistency and the data reliability between the shore base server and the multiple ship-side servers.

The embodiment of the invention relates to the technical field of flight management, and provides a flight plan waypoint management method and device for a flight management system, and the method comprises the steps: obtaining and analyzing a navigation database file which accords with a target protocol, writing the analyzed navigation data into a target database, and creating a waypoint data table set; a waypoint operation instruction triggered by a target user is received, and the waypoint operation instruction is input through pre-constructed CDU simulation unit software; and based on the waypoint operation instruction, querying the waypoint data table set through flight management simulation software, executing waypoint operation processing, and returning an operation processing result to the CDU simulation unit software in real time for picture refreshing. Therefore, the simulation software can completely reproduce the creation, editing and deletion operation control of the flight plan waypoint in the trainer, and the cost is reduced.

The invention discloses a regional digital economic data management method and system, and the method comprises the steps: summarizing all files in a database through a large language model to obtain a plurality of database file summarized descriptions; a semantic understanding technology is introduced at the rear end to perform semantic analysis and semantic matching measurement of summarizing description and retrieval input of a plurality of database files so as to realize rapid and accurate data retrieval, so that efficient data storage and management functions are provided, the security and reliability of data are ensured, and the data retrieval efficiency is improved. And meanwhile, the user can be helped to quickly find required data and carry out analysis and decision making, and economic growth and innovation are promoted.

The invention discloses a DWG drawing mining entity objectification method and a computer program product, and belongs to the technical field of coal mine drawing intelligent management. A corresponding database file is created based on a DWG source file, an entity unique code is written into an attribute field of a graphic object representing a mining entity in the DWG source file, and mining entity information containing the entity unique code and corresponding attribute information is stored in the corresponding database file, so that the DWG source file and the database file interact based on the entity unique code; and operations such as query, spatial relationship determination and statistics are executed, so that the combination of the mining entity graphic object and the entity information is realized, and the intelligent level and the working efficiency of coal mine DWG drawing management are effectively improved.

The invention relates to the technical field of network communication, in particular to an equipment configuration recovery method and device, a storage medium and electronic device.The method comprises the steps that configuration is stored regularly, an alarm is given when the configuration is not stored, and configuration in a backup configuration file is made to be consistent with configuration in a configuration database; and monitoring the service process of the system, and recovering the configuration database file when monitoring that the system is abnormal. According to the invention, equipment configuration can be automatically tried to be recovered, near-end maintenance cost is reduced, and equipment reliability is improved.

The application discloses a kind of map tile data quick updating method, system, device and storage medium, it is related to geographic information management technical field, the method is based on the preset map tile grid set, global map tile is vertically layered, and the data level of formation comprising multiple continuous tile levels;In each data level, according to the integer power rule of 2 to the horizontal cutting of geographic space, generate multiple data blocks;Tile data in each data block is grouped according to the preset number of block tiles, and is respectively packaged into corresponding SQLite database file, and forms customized MBTiles tile data;Based on tile data index technology, index relationship is established for each data block and is associated, to build tile data quick updating structure with data block as minimum update unit.The application can realize the block-level replacement and incremental update of map tile data, reduce data copying and reconstruction cost, improve map data updating efficiency and stability.

The application provides an intelligent question answering method and system based on GraphRAG, a device and a medium, and relates to the technical field of artificial intelligence. The method comprises the following steps: performing intention mining on a query text by an intention mining model to obtain a query entity; querying a pre-constructed knowledge graph database according to the query entity to obtain related subgraph information; wherein the knowledge graph database is constructed based on at least one chapter block and chapter block vectors associated with the chapter block in a preset vector database file, and the vector database file is constructed based on multiple chapter blocks; performing retrieval on a pre-constructed community summary vector database according to a vector obtained by vectorizing the query text to obtain related community summary information; and generating an answer to the query text, the related subgraph information and the related community summary information by an answer generation model to obtain a target answer. In summary, the application can improve the accuracy of answers to query requests that require cross-chapter and cross-document queries.

The invention discloses a data fast writing and reading system and method based on sqlite database fragments.The system comprises a fragmenter, the fragmenter comprises a fragmentation database, an analyzer, a manager and an optimizer, a plurality of database fragments capable of being horizontally expanded are stored in the fragmentation database, and IDs are arranged in data tables of the database fragments. The analyzer is used for analyzing an SQL statement text and correspondingly sending an SQL statement to the manager or the optimizer based on the type of the SQL statement; the manager is used for keeping the table structure or database configuration of each sqlite database fragment consistent; and the optimizer is used for executing write-in, deletion or query operation on the sqlite database fragments. According to the method, database file fragments are introduced, so that the problems of data writing and reading under high concurrency and large data volume are solved; according to the method, writing and query of the data are agented through the fragmenter, so that sqlite addition, deletion, modification and query are effectively improved, and meanwhile, deadlocks generated during concurrent access of the database can be remarkably reduced.

The application relates to the technical field of database backup and synchronization, in particular to a database master-slave file adaptive fast synchronization method, which comprises the following steps: performing difference evaluation based on the meta information of the database master-slave files, directly adopting a record-by-record synchronization mode if the overall difference is too large, or entering an incremental synchronization mode; the incremental synchronization identifies inconsistent blocks by comparing the check values of the data blocks and counts the number of the inconsistent blocks; the system respectively estimates the total time consumption of the two synchronization modes according to performance parameters, the total block number, the inconsistent block number and the total record number; a secondary decision is made by comparing the estimated time consumption, and the scheme with shorter time consumption is selected for execution; and the final consistency verification is performed on the master database file and the backup database file. Through the multi-layer threshold value judgment and the dynamic time consumption estimation model, the application intelligently selects the record-by-record synchronization or the block incremental synchronization strategy, guarantees the data consistency, and significantly improves the efficiency of the database master-slave file synchronization.