33 results about "Metadata Type" patented technology

A method and apparatus comprising computer code for video processing, the method including setting an image format metadata type identifier, wherein the image format metadata type identifier indicates a type of metadata included in a supplemental enhancement information (SEI) message associated with a current image; signaling the image format metadata type identifier in a bitstream; and encoding the current image in the bitstream based on the image format metadata type identifier. The method may also include signaling an image format metadata universal resource identifier flag, wherein the image format metadata universal resource identifier flag indicates whether image information payload associated with the current image is obtained from a payload of the SEI message.

The invention belongs to the field of big data, and relates to a data consanguinity analysis visualization method, which comprises the following steps of: obtaining metadata of target data from a plurality of data sources, and determining a metadata type and a metadata attribute of the metadata; obtaining a blood relationship model of the target data; based on the blood relationship model, the metadata type and the metadata attribute, performing data blood relationship analysis on the target data by adopting a preset graph algorithm to obtain a blood relationship analysis result of the target data; and based on the blood relationship analysis result, establishing a blood relationship graph of the target data, and displaying the blood relationship graph in a preset interactive interface. The invention further provides a device, equipment and a medium. In addition, the invention also relates to a block chain technology, and the metadata can be stored in a block chain. The method can be applied to the fields of financial insurance, medical health management and the like, and the blood relationship graph of the data can be efficiently and accurately established and displayed.

The invention relates to a migration method and system for a database table structure mapped by a metadata type, and the method comprises the following steps: obtaining table structures in a source database and a target database, and calling an interface to obtain metadata fields in the table structures; performing mapping analysis on the metadata fields to obtain candidate field mapping and corresponding mapping vectors; inputting the mapping vector into a gradient decision tree model to calculate a migration confidence coefficient mapped by each candidate field, wherein the migration confidence coefficient is a probability value for predicting successful mapping of the candidate field mapping; screening the candidate field mapping based on the migration confidence; if the migration confidence difference value mapped by the screened candidate fields is within a preset range, conflict arbitration is carried out according to a preset conflict resolution strategy, and a final migration decision is generated; and migrating the table structure of the source database to the target database based on the final migration decision.

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.

Disclosed in the present disclosure are a blockchain-based data management method, apparatus, and system and an electronic device. The data management method comprises: on the basis of a plurality of metadata types, generating a plurality of corresponding sub-directories, wherein the plurality of metadata types include an unstructured data type, a semi-structured data type, and a structured data type; on the basis of the metadata types of data, determining data identifiers and storage locations of the data, wherein the storage locations of the unstructured data type, the semi-structured data type, and the structured data type are different; and at least on the basis of the plurality of subdirectories and the data identifiers, storing and managing the data.

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 a data map generation and retrieval method and device, equipment and a medium. The method comprises the steps of collecting metadata and obtaining relation information; the collected metadata are registered in a data map after being cleaned, and definition is carried out according to a metadata type definition rule; establishing a graph database according to the entity information, the relation information and the attribute information; preprocessing and vectorizing the metadata, and storing the metadata to a vector library; obtaining input information of a user and analyzing the input information; if the user intention and the key information can be accurately identified, accurate matching is carried out; if not, preprocessing and vectorizing the user input to obtain a user input vector; performing retrieval based on a user input vector and a vector library, and screening preliminary candidate results; and sorting the candidate results, querying the graph database according to the sorting sequence, and feeding back a query result to the user. Compared with the prior art, the method has the advantages of high retrieval efficiency, accurate retrieval result and the like.

The invention discloses a model data standardized transmission method and a computer readable storage medium, and the method comprises the steps: importing a predefined metadata type and a predefined metadata model before communication with a data receiver is established; after establishing communication with a data receiver, receiving a request of the data receiver, acquiring data, and compressing the data into a data cache packet according to the metadata type and the metadata model; and sending the data cache packet to a data receiver, the data cache packet being used for the data receiver to analyze the data cache packet according to the predefined metadata type and the predefined metadata model to obtain data. The problem of standardized data transmission of internal and external data of the simulator simulation platform is solved, and efficient transmission of the internal and external data is realized.

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.

A mechanism for processing video data is disclosed. The mechanism includes determining to signal dynamic metadata rendering information in a Joint Photographic Experts Group (JPEG) Artificial Intelligence (AI) codestream, wherein the dynamic metadata rendering information is signalled in a syntax structure comprising, an indication of a dynamic metadata type, an indication of a size of a dynamic metadata, and data bytes of the dynamic metadata. A conversion is performed between a visual media data and the JPEG AI codestream based on the dynamic metadata rendering information.

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 discloses a multi-client additional writing processing method and system, and the method comprises the steps: firstly obtaining a concurrent additional writing operation of multiple clients on a target file, generating and processing a global additional writing lock request, determining a file offset, and then carrying out the persistence of data in a direct I / O writing mode; and updating the metadata after finishing, unlocking and returning a result. When the clients receive the results, the file classification model is called to recognize the metadata type of the target file, if the metadata type is consistent with the original type, the storage position is maintained, and if the metadata type is not consistent with the original type, the metadata is transferred to the corresponding position for storage, so that high efficiency and accuracy of data processing are guaranteed.

The embodiments of the present application provide a data and power data query method, device, storage medium and program product. In the embodiments of the present application, in various target fields such as the power field, the target document fragment can be determined from the document of the target field according to the query requirement description information, and the prompt information (Prompt) enhancement can be implemented based on the metadata associated with the query requirement description information. After that, the target document fragment is processed based on the processing method of the target metadata type described by the target prompt information enhanced by the metadata to obtain the query result. Among them, the processing method of the target metadata type described by the target prompt information enhanced by the metadata can better guide the processing of the target document fragment, which helps to improve the accuracy of the determined query results. The data query method provided by the embodiments of the present application has a particularly high query accuracy in fields with strong document structure such as electricity.

The invention relates to the technical field of damage assessment, and particularly discloses a multi-target damage assessment method, device and system, and the method comprises the steps: obtaining a plurality of pieces of damage element information in a damage element database and a plurality of pieces of target vulnerability information in a target vulnerability database, the damage element information at least comprising a damage element name and a damage element type, the target vulnerability information at least comprises a target component, a target damage tree and a target component surface element damage threshold value; constructing a damage scene according to the multiple pieces of damage element information and the multiple pieces of target vulnerability information; according to the target vulnerability information and the damage element information in the damage scene, carrying out damage calculation on the target part under the multi-damage element coupling effect to obtain a target damage probability in the damage scene; and performing damage evaluation on the damage scene according to the target damage probability in the damage scene. According to the multi-target damage assessment method provided by the invention, damage assessment of multi-type and multi-number damage elements acting on a multi-target complex coupling effect at the same time can be realized.

The present disclosure relates to system and method for consolidating data attributes for optimizing data processing. The method comprises defining objectives associated with data along with data outcome expected after processing of data from a sample dataset through processor. The data outcome is predicted based on metadata associated with the data from the sample dataset. The method further comprises identifying metadata insights for classifying metadata into a plurality of metadata types through metadata crawler, generating an experienced based metadata by filtering metadata with incomplete information from the metadata according to the objectives and data output expected through the processor. The experience-based metadata comprises one or more metadata types from the plurality of metadata types and generating consolidated sample data by using the experienced based metadata through the processor. The consolidated sample data is generated based on validation of the consolidated sample data through predefined rules.

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.

Managing metadata associated with a digital media asset includes selecting the digital media asset, displaying the digital media asset in a filmstrip format that presents one or more scenes from the digital media asset along a timeline, wherein each scene corresponds with an underlying point in time along the timeline, and wherein the digital media asset has a start time and an end time that define the timeline, displaying at least one track in timeline alignment with the film strip format wherein the at least one track corresponds with a type of metadata associated with the digital media asset, and displaying on the at least one track, one or more segments, wherein each segment has a start point and an end point along the timeline and wherein each respective segment represents a span of time in which the type of metadata occurs within the digital media asset.

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 embodiment of the invention provides a calling control method and device for runtime metadata, and the method comprises the steps: responding to a runtime metadata obtaining request of a target calling function, and the runtime metadata obtaining request is used for indicating to obtain target runtime metadata about the target calling function and generated by pre-appointed static analysis in a compiling period; according to a function calling interface of a target calling function in the runtime metadata obtaining request, directly obtaining target runtime metadata from runtime metadata generated by static analysis in a compiling period in advance; wherein the runtime metadata generated by static analysis in the compiling period comprises the runtime metadata generated by static analysis according to information borne on a syntax tree in the syntax tree analysis stage through a compiler in advance for a target runtime metadata type indicated in a configuration file; the target runtime metadata type is a runtime metadata type corresponding to the target call function. According to the method, the calling efficiency of the metadata during operation can be improved.

A method and apparatus comprising computer code for video processing, the method including setting an image format metadata type identifier, wherein the image format metadata type identifier indicates a type of metadata included in a supplemental enhancement information (SEI) message associated with a current image; signaling the image format metadata type identifier in a bitstream; and encoding the current image in the bitstream based on the image format metadata type identifier. The method may also include signaling an image format metadata universal resource identifier flag, wherein the image format metadata universal resource identifier flag indicates whether image information payload associated with the current image is obtained from a payload of the SEI message.

The embodiment of the invention discloses a data caching method and device, a cluster, a storage medium and a program product, relates to the technical field of data processing, solves the problem that high-frequency data is frequently evicted out of a memory space, and improves the cache hit rate. The method comprises the steps of obtaining target data; the target data comprises key value pair data; if the key value pair data comprises the key value pair data of the metadata type, caching the key value pair data of the metadata type in a first memory space; and caching the key value pair data of other types except the metadata type in the key value pair data in the second memory space.

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.

A method and apparatus for video processing, the apparatus comprising computer code, the method comprising: setting an image format metadata type identifier, the image format metadata type identifier indicating a type of metadata included in a supplemental enhancement information (SEI) message associated with a current image; in a code stream, signaling the image format metadata type identifier; and, on the basis of the image format metadata type identifier, encoding the current image in the code stream.

The invention discloses a video metadata transmission method and equipment, and relates to the technical field of multimedia. In the embodiment of the invention, the source equipment directly reads the capability description information of the display equipment through the bus so as to obtain the HDR display capability of the display equipment, and the source equipment sends the video stream to the display equipment under the condition that the display equipment supports the display of the cyanine color HDR video. A video metadata message in a video stream comprises an organization to which a standard adopted by the message belongs and a metadata type under the standard, so that a source device can adopt one encapsulation mode to encapsulate different types of metadata, and the standard adopted by the video metadata message and the metadata type are marked in the video metadata message. The problem that the source device needs to consume more computing power to package the video metadata message is avoided, and the transmission efficiency of the video carrying the video metadata message among different devices is improved.

Disclosed are a video metadata transmission method and a device, relating to the technical field of multimedia. A video metadata packet comprises an organization to which a standard used by the packet belongs and types of metadata under the standard, so that a source device can encapsulate different types of metadata by using an encapsulating method, and the standard used by the video metadata packet and the types of metadata are marked in the video metadata packet, preventing the source device from consuming more computing power to realize encapsulation of the video metadata packet, thus facilitating improvement of the efficiency of transmission, among different devices, of a video carrying the video metadata packet.

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.