181 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.

The invention discloses a method and a device for testing a diagnosis fault code of a controller area network, and relates to the technical field of automobile electronic diagnosis, and the method for testing the diagnosis fault code of the controller area network comprises the steps: obtaining a database file and test configuration information of the controller area network; generating message records of all verification messages according to the test configuration information and the controller local area network database file; sorting the message records according to time, and generating a message record file according to a preset file format; playing back the message recording file through a controller local area network tool, and sending a diagnosis request message to the tested controller through the controller local area network tool while playing back the data to obtain a diagnosis fault code; and comparing the diagnosis fault code with a preset expected diagnosis fault code to obtain a test result. According to the method, the automation degree and the real-time performance of the test are improved, the dependence on physical hardware and environmental resources is reduced, and the test cost and the technical threshold are reduced.

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 provides a financial analysis platform building method, a building framework and related equipment. According to the platform built by the method, an internal business system interface, an external API interface, an Internet of Things equipment interface and a file uploading interface are integrated on a data resource layer; a relational database, a non-relational database, a file system and a data lake are deployed in the data storage layer to realize data classified storage; configuring multi-source data access real-time data flow, data standardization and cleaning, data warehouse data mapping and ETL tool distributed calculation in the data processing layer; a data analysis and feature extraction engine, an intelligent chart recommendation engine and an anomaly detection and automatic generation auditing process display module are configured on the application logic layer; and an instrument panel display module, a report checking module, an auditing process display module and a data notification module are configured on the user interface layer. According to the invention, the integration of multi-source data is realized, the function integration level is high, the automation is higher, and the user requirements can be better met.

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 provides an access and unified management method and system for heterogeneous MES (Manufacturing Execution System) systems of multiple types of mixing stations, belongs to the field of integration and data access management of MES (Manufacturing Execution System), and is suitable for different types of mixing station equipment of concrete, asphalt and the like. Rapid access and unified management of MES systems of multiple manufacturers are realized by registering mixing station information, selecting an adaptive mode, configuring access parameters, analyzing original data and standardizing the original data into a unified data model. The system supports a plurality of access modes such as a database, a file, an interface and equipment reading, and can issue a production task to a mixing station MES system to realize closed-loop management of task execution and data feedback. The method has high flexibility, expandability and universality, and the digital production management and control capability of enterprises on multiple mixing stations can be remarkably improved.

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 application provides a method for interactive data monitoring requirement capture, relating to the field of integrated avionics technology, including: S1: defining a configuration file for the interactive requirement capture tool; S2: defining configuration information in the configuration file of the interactive requirement capture tool; S3: the user selects the current general processing module through an interactive interface; S4: the user selects the current request mode through an interactive interface and proceeds to subsequent steps according to the current request mode; S5: performing an interactive memory check; S6: performing an interactive memory snapshot; S7: generating and saving a request message detection file for the request data; S8: loading the message detection file; S9: sending the message data to the embedded data monitoring software. This method solves the problem that the current method of loading database files can only meet the monitoring of selected data, and supports the requirement capture of temporary data monitoring for running general processing modules.

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.

Disclosed is an anti-fraud message inspection solution that can provide an additional level of protection after incoming messages have been examined, at ingress, by enterprise protection mechanisms (e.g., firewalls, routers, gateways, etc. with virus scanning software) and before the messages arrive in application processing queues. The anti-fraud message inspection solution includes a message inspector downstream from the enterprise protection mechanisms. The message inspector receives an email that has passed a filtering mechanism at ingress, performs a plurality of checks on the email utilizing local database files, and places the email in a suspect queue or an application processing queue depending upon whether the email fails any of the plurality of checks or passes all the plurality of checks.

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 provides a trust degree improving method of a result set, comprising the following steps: S a1, in the process of analyzing a result set file, splicing the field contents of each piece of data, respectively calculating the MD5 of each piece of data after splicing as data HASH, correspondingly generating multiple data tables containing the data HASH, and forming a database by the multiple data tables; S a2, calculating the table name MD5 of each data table as a table name HASH, and storing the table name HASH to form a TABLE information table; S a3, calculating the file MD5 of the database as a database file HASH, and storing the database file HASH to form a DATABASE information table; and S a4, updating the data table, the TABLE information table and the DATABASE information table into the result set file. The application improves the trust degree of the result set by multiple tests on the result set.

The invention discloses a consistency test method and device for CAN communication and test equipment, the test equipment can obtain a database file of a CAN bus, and the database file at least comprises first message identifiers and expected periods of a plurality of expected messages needing to be transmitted on the CAN bus; obtaining message data, wherein the message data at least comprises second message identifiers and actual periods of a plurality of actual messages on the CAN bus; and verifying the message data by adopting a database file to obtain a consistency test result. The consistency test result can reflect whether the actual period of the target actual message is abnormal compared with the expected period of the target expected message or not, and can also reflect whether the target second message identifier different from the first message identifiers exists in the second message identifiers or not; therefore, the integrity and reliability of the consistency test of CAN communication are effectively improved.

The invention relates to the technical field of digital simulation, in particular to a net-based mandatory assignment statement processing method, electronic equipment and a medium, and the method comprises the following steps: in a compiling stage, firstly obtaining bits, acted by mandatory assignment statements, of a target net, and then obtaining bit information and a driving list of a top module corresponding to each bit; the method comprises the following steps of: in a simulation stage, recording each driver into a preset database file, transferring each driver to a bit of a corresponding top module according to a bit, and in a simulation stage, when a forced assignment statement occurs, applying a forced assignment state to the bit of the corresponding top module based on the preset database file, and updating a corresponding signal value into a corresponding signal value in the forced assignment statement. According to the method, the time and the memory overhead consumed by forcibly assigning the statement in the digital simulation process are reduced.

This application provides a method for automatically capturing data monitoring requirements, relating to the field of integrated avionics technology. This method utilizes an EXCEL -> XML -> BIN data conversion approach, with the conversion specifically implemented through a ground-side component that can load a database generation tool. This method provides a more user-friendly EXCEL protocol, offering more detailed prompts to the user. It solves the problems of simple TXT format database files failing to provide prompts for host users to fill in requirement information, easily leading to errors in database file entry, and hindering the management of multiple general-purpose processing modules.