15 results about "Metadata Type" patented technology

The invention relates to the technical field of database management and data migration, and discloses a database metadata migration method, device, equipment and medium, comprising: configuring a metadata type mapping correspondence between a source database and a target database, establishing a source database read connection and a target database write connection, and obtaining a source data definition statement of the source database, storing the source data definition statement in a standard format, reading the source data definition statement from the intermediate storage medium, converting the source data definition statement into a target data definition statement conforming to the grammar specification of the target database, and finally executing the target data definition statement in the target database to complete the creation of the metadata object. By introducing the metadata type mapping corresponding relation and the standardized storage mechanism, the metadata difference between the heterogeneous databases is converted into a conversion process capable of being automatically processed, so that manual intervention is reduced, the migration error rate is reduced, and the automation level and reliability of database metadata migration are improved.

The invention relates to the technical field of data security, and discloses an automatic data grading protection method and system based on multi-feature fusion. The method comprises the following steps: acquiring a multi-source heterogeneous data stream, and extracting metadata type features and content semantic features in the multi-source heterogeneous data stream; dividing data dimension levels according to metadata type features, and generating a multi-dimension feature set in each dimension level based on content semantic features; and performing density clustering analysis on the multi-dimensional feature set, generating a dynamic grade threshold according to a clustering boundary distance and feature distribution density, and completing initial data grading. By fusing metadata types and content semantic multi-class features and combining density clustering and dynamic threshold adjustment, the method can comprehensively capture data attributes and improve the accuracy and adaptability of grading, is suitable for automatic grading protection of multi-source heterogeneous data, and effectively deals with challenges brought by dynamic changes of data features.

The invention relates to an online file system error detection method and device, belongs to the technical field of file system detection, and solves the problems that in the prior art, file system error detection and repair consumes too long time, shutdown is needed, and service continuity is affected. Comprising the following steps: acquiring a path of a to-be-detected file system, and further acquiring the type of the to-be-detected file system; based on the path and the type of the to-be-detected file system, super block metadata of the to-be-detected file system is read, and then global information of the to-be-detected file system is obtained; obtaining the reading rate of each metadata type based on the global information of the to-be-detected file system; and performing metadata detection on the to-be-detected file system based on the type of the to-be-detected file system and the reading rate of each metadata type to obtain a metadata detection result. And online and efficient error detection of the file system is realized.

The application relates to an online file system error detection method and device, and belongs to the technical field of file system detection, which solves the problem that the file system error detection and repair in the prior art are time-consuming and need to be stopped, thereby affecting business continuity. The method comprises the following steps: obtaining the path of a file system to be detected, and then obtaining the type of the file system to be detected; based on the path and the type of the file system to be detected, reading superblock metadata of the file system to be detected, and then obtaining global information of the file system to be detected; based on the global information of the file system to be detected, obtaining the reading rate of each metadata type; based on the type of the file system to be detected and the reading rate of each metadata type, performing metadata detection on the file system to be detected, and obtaining a metadata detection result. The file system error detection is realized online and efficiently.

A method of validating a web browser when scripting is disabled, the method includes validation by default through using an automatically defined database metadata catalog to programmatically build forms with validation and validation messages based on the metadata, business logic, and application validation logic. The present invention creates client and server-side validation based on validation rules stored in tables and metadata types along with column sizing and business logic defined by the data modelers or developers. The method mimics a JavaScript framework with user interface and style elements when the client browser's settings are set to disable scripting.

The invention provides a metadata organization management method and system, and the method comprises the steps: constructing a metadata management list based on a metadata object table, a metadata type table and a metadata relation table; determining a target metadata object and a target metadata type; on the basis of identifier information and metadata information corresponding to the target metadata type in the metadata management list, constructing a metadata body in a key-value pair form; constructing a metadata document based on the identifier information and the metadata body corresponding to the target metadata object in the metadata management list; and according to the at least one metadata document, constructing a metadatabase composed of metadata sets. The method flexibly adapts to metadata storage dynamic management requirements in different data fields, and has universality and universality.

The application provides a metadata-based railway engineering ECM management method, system and device, steps of the method comprising: performing primary coding and secondary coding on railway metadata types based on an international dictionary framework; establishing connection of data nodes and constructing a connection system; a document management stage of railway engineering involves multiple types of engineering construction nodes, and metadata and unstructured data required to be managed by engineering construction nodes of the same type are different in different document management stages, each engineering construction node corresponds to a data node, and in the same engineering stage document management stage, the data node corresponding to the lower-level engineering construction node inherits the data work authority of the higher-level data; whether a data instruction is effective is determined based on the work authority, if effective, the basic data is processed based on the data instruction, and is shared in each data node, and in each document management stage, metadata, authority data and unstructured data contained in the basic data are uniformly managed.

The present invention discloses a database expansion method and system, wherein the method comprises: analyzing a user's functional expansion requirements, determining at least one item corresponding to the functional expansion requirements, and attribute tables corresponding to the at least one item. The attribute tables include basic attribute tables for multiple types of metadata and extended attribute tables for at least one of the metadata types. The multiple metadata types include: natural person metadata, organizational metadata, address metadata, object metadata, and event metadata. When the at least one item is new, the basic attribute tables for the multiple types of metadata and the extended attribute tables for the at least one metadata type corresponding to the new item are added to the database. By first analyzing and determining the relationships between the basic attribute tables and extended attribute tables for the five types of metadata, and then adding the corresponding basic attribute tables and extended attribute tables to the database, the expansion is relatively simple.

The application discloses a metadata-based knowledge graph processing method, comprising the following steps: S1) constructing a data unit taking metadata and attributes thereof as a unit; S2) classifying metadata by dividing metadata types according to enumeration types; S3) establishing corresponding documents according to different types and indexes of the metadata, wherein the documents contain unique identifiers of the metadata and metadata attributes; S4) forming a relationship node for each metadata and attribute thereof and storing the relationship node in a mesh mode; and S5) performing quick retrieval based on the relationship node of the metadata. The metadata-based knowledge graph processing method can reasonably store a metadata mesh structure and better perform retrieval and analysis.

In certain embodiments, a method of dynamically integrating vehicle-generated video and metadata. The method includes initiating playback of a video file in a display area. The video file includes recorded video in association with vehicle metadata of a plurality of vehicle metadata types. The method also includes determining priorities of a plurality of visual gadgets responsive to the initiated playback, where the plurality of visual gadgets are each associated with at least one vehicle metadata type of the plurality of vehicle metadata types. The method also includes selecting a subset of the plurality of visual gadgets based on the determined priorities. The method also includes causing the selected subset of the plurality of visual gadgets to be placed in the display area, each placed visual gadget of the subset graphically presenting at least a portion of the vehicle metadata of the associated at least one vehicle metadata type.

This application discloses a method for classifying metadata types, as well as an electronic device and a computer-readable storage medium. The solution provided by this application includes: acquiring field information of metadata in a target big data environment; constructing a target graph network based on the field information, wherein nodes in the target graph network represent metadata, and edges represent field information associated with two corresponding connected metadata; determining the weights of the field information of the metadata in the target graph network; training a node type discrimination model based on samples and labels determined by the node data corresponding to the nodes in the target graph network, wherein the labels include the application type of the metadata represented by the node corresponding to the target big data environment, and the sample features include the field information of the metadata represented by the node; and classifying the nodes in the target graph network into application types based on the type discrimination model.

The present disclosure provides a data processing method, apparatus, electronic device, and storage medium, relating to the field of computer technology, particularly to the field of big data processing technology. A specific implementation scheme comprises: generating at least one metadata corresponding to each data item in a database based on at least one metadata type; and determining, when determining that a data processing system calls data, determining the data called by the data processing system in the database based on the metadata type applicable to the data processing system and the metadata provided by the data processing system. Using embodiments of the present disclosure, the efficiency of data processing system calls is improved.

The application provides a metadata management method and device, electronic equipment and computer storage medium. The method comprises the following steps: firstly, completing the addition of a meta model to obtain an added meta model; then, registering registration information of file type data of the added meta model; wherein the registration information comprises basic information, a data source, field information, security information, management information and file transfer protocol information; then, performing collection configuration on the added meta model; wherein the collection configuration comprises a collection data source, a collection adapter and collection job information; then, collecting metadata according to the collection configuration; finally, storing the collected registration metadata and collection metadata; wherein the storage mode of the registration metadata and the collection metadata is the same storage structure, and the metadata type, the meta model number and the metadata name are used as the unique primary key to identify a metadata. The completeness of metadata management is effectively improved.

An information processing apparatus is provided. The apparatus obtains information on a 3D model of an object. The apparatus generates metadata on the 3D model of the object on a basis of the information in accordance with a metadata generation request including a metadata type designation. The apparatus transmits the metadata on the 3D model of the object generated in accordance with the generation request.