28 results about "Change tracking" patented technology

A change tracking and delta generation (CTDG) system servicing multiple clients is disclosed for enabling the delta generation during replication to be proportional to the number of changes between two snapshots instead of the size of the snapshots. In some embodiments, CTDG can track changes to a file system, where change-tracking can be dynamically switched between two sub-CT modes, file level or directory level. Change-tracking (CT) keys may be generated accordingly and stored in a data structure to be used for delta generation during replications for clients. In some embodiments, change-tracking may be enabled or disabled for different clients. CTDG can coordinate the CT enablement / disablement to ensure replications can use the information in CT keys properly.

The invention relates to the technical field of security defense and intelligent scheduling of power supply, and discloses an intelligent power supply and distribution centralized monitoring application data interaction method and system. Operation state data and scheduling behavior data are managed in a monitoring platform, and a logic change tracking mechanism is introduced, so that the intelligent power supply and distribution centralized monitoring application data interaction is realized. The whole process of scheduling instruction generation, path issuing and response feedback is recorded, and an auditable data chain with time logic and a causal structure is formed. Therefore, when the abnormal index is detected, the data chain can be automatically called to perform backtracking analysis on the scheduling behavior, the causal association between the abnormal cause and the scheduling behavior is determined, data support is provided for subsequent scheduling adjustment, the abnormal response intelligent level based on monitoring data and the interpretability of scheduling adjustment decision are improved, and the scheduling efficiency is improved. And therefore, the manageability, controllability and operation safety of power supply and distribution can be effectively ensured.

The invention discloses a system and a method of a carbon evidence anchor point technology, which relate to the technical field of carbon emission monitoring, and form a time differential set Tdif capable of reflecting carbon data generation time characteristics and a modification track set Trac capable of reflecting a data modification propagation relationship by performing time sequence analysis and change tracking on an original data set Cdat. A behavior fingerprint set Fing is established, so that the carbon data generation process has unique behavior fingerprint features; performing consistency comparison on the behavior fingerprint set Fing and the reference fingerprint set Base, generating a fingerprint deviation result Devi, and forming an anchor point evidence set Anch according to the fingerprint deviation result Devi, so as to identify whether the carbon data generation behavior deviates from a normal generation mode or not; and finally, the anchor point evidence set Anch is bound with the corresponding carbon data record and written into a carbon evidence index structure, so that the problem that only the carbon emission value is recorded and the authenticity of the data generation process cannot be proved in the prior art is effectively solved.

This log-based data-change tracking method may comprise the steps of: collecting raw data generated by one or more applications; storing raw log information that matches the raw data in a data repository; storing, in the data repository, conversion log information that matches with conversion data analyzed on the basis of the raw data by an operation of an application; storing, in a log repository, application log information generated on the basis of the raw log information and the conversion log information stored in the data repository; and storing, in a lineage repository as metadata, matching log information generated by matching the raw log information and the conversion log information on the basis of the application log information.

The invention discloses a software demand tracking and management method based on a demand chain, which comprises the following steps: carrying out standardized expression and entry disassembly on demands in an original demand book to obtain demand entries, and adding demand identifiers to the demand entries to obtain standardized demand baselines; establishing a demand change tracking relation among the software case model, the analysis model, the implementation model and the deployment model according to the standardized demand baseline, and constructing a demand tracking chain and a demand tracking matrix according to the demand change tracking relation; according to a preset change demand source, carrying out change influence propagation path analysis based on the demand tracking chain and the demand tracking matrix, and constructing a change influence tree; and according to the change influence tree and the demand tracking chain, demand change work is carried out according to demand change control requirements on demand entries related to the change, and a new demand tracking chain is obtained. The method is simple and easy to implement, wide in application range and fine in demand management process, the development period of software can be effectively shortened, and the development efficiency of the software is improved.

The invention relates to the technical field of data analysis, in particular to a microstructure change tracking method based on chip aging analysis, and the method specifically comprises the steps: obtaining chip factory structure data, importing the data into a chip change prediction model, obtaining an initial aggregation stability index, carrying out the evaluation of the aging condition of a chip, and entering a chip maintenance and renovation process if the evaluation result is a to-be-renovated grade; if the evaluation result is a to-be-recycled grade, constructing a physical field coupling migration model, and analyzing and outputting the initial instantaneous migration speed of noble metal atoms on the chip; interference analysis is conducted on adjacent precious metal atoms, correction compensation is conducted on the instantaneous migration speed, the aggregation density condition of the precious metal atoms at all recovery evaluation point positions on the chip is obtained through tracking, and high potential points of the chip are screened out. According to the invention, the problem of low identification efficiency of the high-potential recovery point on the aged chip in the prior art is solved.

The invention provides a clinical test source data traceability tracking operation system, and relates to the technical field of drug clinical tests. Comprising a data identification and index end, a data acquisition and recording end, a data change tracking end, a data traceability and traceability end, a data verification and auditing end, a data access and authority control end, a data backup and recovery end and a data report and analysis end. The data identification and index end, the data acquisition and recording end, the data change tracking end, the data traceability and tracing end, the data verification and auditing end, the data access and authority control end, the data backup and recovery end and the data report and analysis end are in data communication through a private network and a private line network. The system aims at monitoring and managing links such as sources, acquisition, recording and change of clinical test data so as to ensure the reliability and credibility of the data.

The application relates to the technical field of data analysis, and is a microstructure change tracking method based on chip aging analysis, and specifically comprises the following steps: obtaining chip factory structure data is imported into a chip change prediction model, an initial aggregation stability index is obtained, chip aging condition evaluation is carried out, if the evaluation result is a to-be-refurbished level, a chip repair and refurbishment process is entered; if the evaluation result is a to-be-recycled level, a physical field coupling migration model is constructed, the initial instantaneous migration speed of noble metal atoms on the output chip is analyzed, adjacent noble metal atoms are interfered, the instantaneous migration speed is corrected and compensated, the aggregation density of noble metal atoms at each recycling evaluation point position on the chip is tracked, and a high-potential point of the chip is screened out. The application solves the problem of low identification efficiency of high-potential recycling points on an aging chip in the prior art.

A change tracking and delta generation (CTDG) system servicing multiple clients is disclosed for enabling the delta generation during replication to be proportional to the number of changes between two snapshots instead of the size of the snapshots. In some embodiments, CTDG can track changes to a file system, where change-tracking can be dynamically switched between two sub-CT modes, file level or directory level. Change-tracking (CT) keys may be generated accordingly and stored in a data structure to be used for delta generation during replications for clients. In some embodiments, change-tracking may be enabled or disabled for different clients. CTDG can coordinate the CT enablement / disablement to ensure replications can use the information in CT keys properly.

One or more embodiments of the invention provide a risk management and control method and device. According to the method, at least one service scene and a service link topological relation corresponding to each service scene are firstly constructed, and then a core service node in the service link topological relation is determined according to a preset screening index; then, carrying out change tracking on the core service node through a unified change platform to obtain change data; according to a change type corresponding to the change data, configuring risk control labels corresponding to the change contents; in response to a received change risk query request input by a user, generating change information corresponding to the change risk query request; and aiming at each change content in the change information, performing risk analysis by utilizing a risk analysis method corresponding to each configured risk control label, and generating risk information corresponding to the change information.

A change tracking and delta generation (CTDG) system servicing multiple clients is disclosed for enabling the delta generation during replication to be proportional to the number of changes between two snapshots instead of the size of the snapshots. In some embodiments, CTDG can track changes to a file system, where change-tracking can be dynamically switched between two sub-CT modes, file level or directory level. Change-tracking (CT) keys may be generated accordingly and stored in a data structure to be used for delta generation during replications for clients. In some embodiments, change-tracking may be enabled or disabled for different clients. CTDG can coordinate the CT enablement / disablement to ensure replications can use the information in CT keys properly.

The embodiment of the invention discloses a file clause change tracking method and device, equipment and a storage medium. The method comprises the steps that clause-level structured analysis is carried out on a first version file and a second version file based on a pre-constructed knowledge graph, change nodes in the knowledge graph are obtained, and the version of the first version file is earlier than that of a second text file; determining an association node candidate set of the change node according to the relationship between the nodes in the knowledge graph every time the change node is determined; determining whether influence nodes of the change nodes exist in the association node candidate set or not according to the similarity of the association nodes and the change nodes; if yes, establishing an influence edge between the change node and the influence node, and determining the influence node as a new change node; and if not, tracking the change content of the second version file along all the influence edges. And the efficiency and comprehensiveness of change content identification are improved.

The application discloses a kind of multi-wheel independent steering assist force tracking control methods, process as follows: the target assist force of each steering wheel is calculated respectively, the maximum value of unit time vehicle assist force change, the total assist force change of vehicle, the maximum value of assist force collaborative change, the total amount of the absolute proportion of the relative difference of instantaneous assist force, the change multiple of the maximum allowable change of assist force, the scaling factor of the total amount of the absolute proportion of the relative difference of instantaneous assist force, the maximum value of the scaling factor of the total amount of the absolute proportion of the relative difference of instantaneous assist force, instantaneous assist force change tracking coefficient, assist force change tracking amount, assist force change tracking amount and current time instantaneous target assist force.The application also discloses a kind of multi-wheel independent steering assist force tracking control device.The application can solve the problem that each steering wheel reaches target assist force time is different, causes each steering wheel steering mechanical damage and working life reduction caused by assist force change too fast, can be widely applied in vehicle control field.

The invention provides an online document processing method and system integrating a form control and change tracing in the technical field of intelligent cooperative processing of enterprise-level standardized documents. The method comprises the steps that S1, a reference document is obtained and analyzed to obtain a document structure, and a document template, a configuration directory function and an interactive form control are generated based on the document structure; s2, editing operation of adding or deleting the text content is carried out in the text area, a text identifier is generated for the text content in the editing operation process, a text comment is generated for the text content or the corresponding text content is copied, and filling operation is carried out on an interactive form control in the text area; s3, detecting the text content, and displaying a text identifier, a change record and a detection result in a functional area; and S4, correcting the text content based on a detection result in combination with a directory function, and exporting the corrected text content as a local document. The method has the advantages that the normalization, controllability and efficiency of document processing are greatly improved.

A change tracking and delta generation (CTDG) system servicing multiple clients is disclosed for enabling the delta generation during replication to be proportional to the number of changes between two snapshots instead of the size of the snapshots. In some embodiments, CTDG can track changes to a file system, where change-tracking can be dynamically switched between two sub-CT modes, file level or directory level. Change-tracking (CT) keys may be generated accordingly and stored in a data structure to be used for delta generation during replications for clients. In some embodiments, change-tracking may be enabled or disabled for different clients. CTDG can coordinate the CT enablement / disablement to ensure replications can use the information in CT keys properly.

This invention relates to the field of image data processing technology and discloses a method and system for tracking and analyzing dynamic changes in the endometrium based on image registration. The method includes: extracting the boundary pixel coordinates of the target region in a first image frame and a second image frame, and constructing a discrete coordinate chain with a neighborhood index relationship; constructing a spatial distance field representing pixel spatial displacement constraints based on the target region of the second image frame; extracting the gradient vector of the discrete coordinate chain in the spatial distance field, and using second-order central difference to decouple the displacement bias into a normal driving component and a tangential homogenization component; generating a spatial deformation field through vector superposition, and performing coordinate resampling on the first image frame. This invention utilizes an orthogonal decoupling mechanism to decouple spatial mapping logic from pixel features, effectively constraining pixel distribution density during deformation, solving the problems of spatial folding and topological tearing under large-scale nonlinear deformation, and improving image tracking stability.

The invention discloses an intelligent change management system and method based on risk assessment. The system comprises a change application module, a risk assessment module, a change approval module, a change tracking alarm module and a change verification module. According to the method, changes are automatically divided into emergency, conventional or significant types through a dynamic classification engine, and a differentiation auditing process is matched; performing quantitative risk assessment by using an analytic hierarchy process and a risk matrix to realize risk identification, analysis and rating; the NLP technology is adopted to automatically fill a structured change list, and the information processing efficiency is improved; full-process tracking and visual monitoring are carried out in the change implementation process, and an alarm is automatically given when abnormity occurs; after the change, trial production and mass production verification are sequentially executed and compared with the dynamic base line, and it is ensured that the change effect is stable and reliable. According to the invention, the problems of low efficiency, weak risk control and poor collaboration in the traditional change management are effectively solved, and the intelligent and structured management and control of the change of the full life cycle are realized.

In one embodiment, distributed data storage systems and methods integrate a change tracking manager with scalable databases. According to one embodiment, a computer implemented method comprises integrating change tracking of storage objects into the distributed object storage database that includes a first database of a first type and one or more chapter databases of a second type with the distributed object storage database supporting a primary lookup index and a secondary lookup index in order to locate a storage object. The method includes recording in a header of a chapter database a network topology for connecting a bucket having the chapter database to a first peer bucket when a new mirror to the first peer bucket is being established, and recording a first directive into the header of the chapter database to express a type of content to be mirrored from the bucket to the first peer bucket.

The present disclosure relates to the technical field of smart home device, and discloses a smart home device change tracking method and system, which detects the communication network level between the data source device and the subscription device and configures a differentiated benchmark push period accordingly, so that the push strategy is adapted to the link bandwidth and delay characteristics, thereby avoiding high-bandwidth link resource idling and low-bandwidth link overload congestion. By dynamically adjusting the benchmark push period according to the trust weight, and executing the push in an event-triggered manner when the device state changes, a mechanism is realized in which the tracking frequency is adaptively adjusted according to the link quality, and the state change can be synchronized without waiting for the period to expire, thereby reducing the redundant communication overhead caused by a static push strategy. By continuously feeding back the communication result of each push to the trust weight and readjusting the current push period, a closed-loop adaptive update of the tracking push strategy based on the measured communication quality is realized.

The invention relates to a production-manufacturing-oriented component view conversion method, belongs to the field of BOM (Bill of Material) view management and control in product full-life-cycle management, and meets diversified view conversion requirements in a production-manufacturing scene by defining configurable view types, BOM types and standby BOMs. The conversion efficiency from the EBOM to the MBOM is improved through automatic downstream branch addition and sub-component synchronization; by constructing the incidence relation of upstream and downstream components and a change tracking mechanism, it is ensured that when data are inconsistent, rapid sensing and processing can be conducted; through visual peer-to-peer relationship operation and undeletable historical records, traceability of view conversion full links is realized. According to the method, the problems of low efficiency, data disorder and difficulty in tracing in a traditional method are solved, and the accuracy and collaboration of component data in the production and manufacturing link are guaranteed.

The invention is suitable for the technical field of inland river ports, and provides an inland river port hydrodynamic change tracking prediction and evaluation method, which comprises the following steps: constructing a quarterly-level elevation change field of a river channel; wherein the quarterly-level elevation change field of the river channel is composed of a plurality of grids, and each grid corresponds to quarterly-level elevation change data of different areas in the river channel; adjusting the grid density in the quarter-level elevation change field of the river channel to form an adjusted quarter-level elevation change field of the river channel; a two-dimensional hydrodynamic model is obtained, and parameters of the two-dimensional hydrodynamic model are updated; and inputting the adjusted quarter-level elevation change field of the river channel into the updated two-dimensional hydrodynamic model to output a hydrodynamic condition prediction result in the water area range of the inland river port, and calculating a hydrodynamic health index in the water area range of the inland river port to measure the hydrodynamic health degree in the water area range of the inland river port. The timeliness and accuracy of the prediction result can be improved.

The application provides a requirement change tracking and management optimization method and system for agile development, relates to the technical field of agile development requirement management, and comprises the following steps: constructing a task dependency tracking graph and embedding a change influence path mode as a propagation weight correction factor, performing bidirectional path tracking on a change request to determine a set of affected tasks, identifying and quantifying resource conflicts, constructing a priority constraint graph based on task dependency depth and combining a resource conflict management list to establish resource allocation constraints, thereby generating a task reordering and resource reallocation scheme, and improving the tracking accuracy and management efficiency of requirement changes in an agile development environment.

The present application relates to the field of data analysis, and more particularly to a kind of multi-family health detection data AI analysis method and system.The method comprises the following steps: extracting the physical examination report of a single family member at three time points, intelligent identification is carried out, and time sequence health data set is output; based on health threshold reference system, time sequence health data set is compared and calculated item by item, and abnormal index set is obtained; numerical change tracking is carried out on abnormal index set, and abnormal feature matrix is constructed; the abnormal feature matrix is input into human health analysis big model, comprehensive evaluation is carried out, and problem evaluation result is generated; risk derivative evolution analysis is carried out on problem evaluation result, and health analysis report is output; personalized decision is made based on health analysis report, and decision proposal is output.The present application realizes comprehensive and accurate health risk assessment, gives differentiated suggestions, and improves the safety of health detection of the examinee.

A method includes detecting, by at least one hardware processor, a change request for a table of a database, the table comprising a plurality of micro-partitions. A transaction associated with the change request is executed at a first timestamp. The transaction causes replacement of a first micro-partition of the plurality of micro-partitions with a second micro-partition. A change tracking column is generated in the second micro-partition. The change tracking column comprises metadata for the transaction. A delta for the table between the first timestamp and a second timestamp is generated using the metadata in the change tracking column. The delta indicates changes made to one or more rows of the table between the first time stamp and the second timestamp.

The invention relates to the technical field of database system integration, and provides a contract data multi-system bidirectional synchronization and field mapping method and device.The contract data multi-system bidirectional synchronization and field mapping method comprises the steps that fields of different systems are named and standardized by building and loading a static field mapping table, and contract main table data in a source system and extended data model information of the contract main table data are obtained according to query conditions; performing field name conversion and value formatting on the acquired data according to a static field mapping table, and performing recursive processing and change tracking on a contract signing party sub-table and a money return plan sub-table associated with a contract; identifying field-level and sub-table-level change information by comparing historical versions of the contract data, and generating a structured change record; and assembling and synchronizing the converted main table data, the processed sub-table data and the change record according to a data structure of the target system. According to the method, the integrated development and long-term maintenance cost of the system can be remarkably reduced, and accurate synchronization of a complex nested data structure is completely supported.

The invention discloses a servo control parameter binding method based on function grouping. The method comprises the following steps: performing function grouping on servo control parameters; distributing a globally unique function group identifier for each created function group as a unique basis for performing all subsequent operations on the function group; binding and packaging of servo control parameters are completed, and a parameter binding unit is generated; completing parameter group level verification on the obtained parameter binding unit; the verified parameter binding unit is persistently stored in a configuration center, a database or a version control system; when an application program runs, all parameters in the whole parameter binding unit are obtained and loaded at a time by requesting a function group identifier from a configuration service interface, so that the collaboration and consistency of parameter application are ensured; performing version control on each parameter binding unit; and when any parameter in the function group is changed, a new version is generated and a historical version is stored, so that change tracking and one-key rollback are realized.

The present application relates to a kind of production-oriented component view conversion method, belong to the BOM (bill of material) view management field in product life cycle management, by defining configurable view type, BOM type and spare BOM, satisfy the diversified view conversion demand under production manufacturing scene;Through the automatic downstream branch addition and sub-piece synchronization, the conversion efficiency of EBOM to MBOM is improved;By building the association of upstream and downstream components and change tracking mechanism, ensure that data inconsistency can be quickly perceived and processed;Through the visual peer relationship operation and non-deletable history record, realize the traceability of view conversion full link.The present application solves the problems of low efficiency, data disorder and difficult to trace in traditional methods, and guarantees the accuracy and collaboration of component data in production manufacturing link.

An embodiment may involve, in response to determining that a software service satisfies a degradation criterion, generating an alert that indicates the software service and a change request specifying that configuration data used by the software service was changed in a current snapshot of the configuration data; based on the change request, determining a set of configuration changes between the current snapshot and a previous snapshot of the configuration data; and providing a representation of the set of configuration changes indicating one or more parameters that were changed in the current snapshot and one or more paths in a tree-based arrangement of the configuration data that lead to the one or more parameters that were changed in the current snapshot.