333 results about "SequenceNumber" patented technology

The invention relates to the technical field of knowledge maps, in particular to a knowledge map method and system for multi-source heterogeneous data fusion. The method comprises the following steps: cleaning multi-source data through an auto-encoder, dynamically weighting and standardizing after low-rank decomposition and PCA denoising, aligning GNN entities and authenticating standard approval serial numbers; combining CNN / GNN to extract texts, images and sensor multi-modal features, fusing time sequence information with BiLSTM, and performing weighted aggregation; a BERT-BiLSTM-SelfAttention-CRF is adopted to identify an entity, a GCN inference relationship is adopted, a TransE is embedded into an entity relationship to a low-dimensional space, and the entity relationship is stored to Neo4j to support real-time query; dynamically updating the atlas by incremental learning; and visually displaying the constructed knowledge graph. According to the method, a complete closed loop from data cleaning, multi-modal fusion and graph construction to dynamic optimization is formed, and comprehensiveness, accuracy and expandability of the knowledge graph in a multi-source heterogeneous scene are ensured.

The invention relates to the technical field of data flow control, in particular to a heterogeneous data flow synchronous control method and system.The method comprises the following steps that multi-source data segment receiving time is obtained, a time interval sequence is constructed, an interval difference value and a synchronous difference quantity are calculated, the sensitivity level is judged, a channel throughput change is extracted, a descending section is marked, and a priority index is generated; and mapping the high-sensitivity stream to a first-stage or second-stage output path to sort and distribute key stream segments, judging that serial numbers are continuously combined or independently output, and generating intersection and sequence information. According to the method, the time interval sequence is constructed based on the receiving time of the multiple data sources, the interval deviation is quantified, the labels are divided through the synchronization difference quantity, the sensitive level structure is established, differential management of the synchronization precision requirement of the heterogeneous data streams is achieved, the response efficiency and the alignment precision of the high-sensitivity data segments are improved in the data distribution process, and the data distribution efficiency is improved. And meanwhile, the competition of a low-sensitivity section for output resources is reduced, and the synchronous time sequence coordination capability and the channel bandwidth utilization rate in a multi-source heterogeneous environment are improved.

The invention discloses a control system and method for an automatic beer production line, relates to the technical field of automatic control, is used for solving the problems that state judgment is lagged and abnormal trend is difficult to identify in time, identifies electronic tags of key equipment through an RFID reader-writer, imports models and serial numbers into a database, and automatically associates operation parameters. The distributed sensors collect temperature, pressure, flow and vibration data in real time, the analysis unit calculates the operation deviation and the health degree, a multi-condition control strategy is configured through the programmable logic controller based on the health degree, a time window and a task priority algorithm are combined, real-time data and historical data are compared to recognize abnormity, and the real-time data and the historical data are analyzed. And a fuzzy control algorithm is fused to generate an adjustment instruction, the equipment state is automatically adjusted, time sequence modeling is utilized to analyze whole-process data, a start-stop strategy is formulated, energy distribution and process optimization are performed, and intelligent scheduling and self-adaptive optimization of the beer production line are realized.

The invention relates to PDCP SN gap reporting and a state variable RXNEXT. A method, an apparatus, and a computer program product are provided. In the context of a method, the method comprises receiving (302) a message from another PDCP entity (another of the 110 / 112), the message indicating at least one sequence number. The method further comprises updating (304) a first state variable based on the at least one sequence number, where the first state variable indicates an expected sequence number of a next expected service data unit (SDU) to be received, and wherein the updating of the first state variable includes increasing the first state variable by a lowest sequence number that is higher than a reference value and that is associated with the SDU that is not considered to be discarded.

The invention provides a simulation method for message deduplication in a VRA mode and a related device, and relates to the technical field of chip verification. The method comprises the steps that whether a first serial number of a current message is larger than a second serial number or not is judged, the second serial number is the maximum serial number of a sent message in a target table item, the target table item is a table item corresponding to a target flow to which the current message belongs in a lookup table, and the table item of the lookup table further comprises a message record corresponding to the flow; the message record is used for indicating that the processing state corresponding to the serial number of the sent message is sent; if yes, calculating to obtain a difference value between the first serial number and the second serial number; according to the size of the acceptable window, the size of the sliding window and the difference value, a target processing mode of the current message is determined, the lookup table is updated, and the target processing mode indicates that the current message is discarded or sent. Therefore, simulation of message sliding window de-duplication in the VRA mode in FERE can be realized, and function verification of the to-be-tested design can be quickly carried out.

The invention provides a data synchronization method and device, equipment and a storage medium, and relates to the technical field of data processing, in particular to the technical field of databases, distributed storage technologies and data synchronization. According to the specific implementation scheme, the method comprises the steps that according to the sequence number sequence of a to-be-applied first physical log, log stream continuity verification is conducted on each log record contained in the first physical log in sequence; under the condition that the log stream continuity verification is passed, performing modification chain integrity verification according to a first identifier of the log record and a current version identifier of a target data page to be modified of the log record; wherein the first identifier is used for indicating a second physical log which finally modifies the target data page; and under the condition that the integrity verification of the modification chain is passed, modifying a target data page according to the log record.

The invention relates to the technical field of energy storage systems, and discloses a multi-type ammeter mixing method and device, computer equipment and a storage medium, and the method comprises the steps: obtaining the ammeter types of a plurality of ammeters connected to the same communication port; configuring a communication address for each electricity meter according to the type of the electricity meter and a preset serial number or configuring a communication address for each electricity meter according to an address label; and establishing communication for each electricity meter according to the communication address. According to the invention, the same communication port can be compatible with the access requirements of different types of ammeters, the method is suitable for a complex scene in which multiple ammeters coexist, the tolerance of the energy storage system to different ammeters is improved, and the problem that the same communication port is difficult to adapt to the mixed use requirements of multiple types of ammeters is solved.

The invention provides a log data reading method and device, equipment, a medium and a program product, and relates to the field of big data. Obtaining a mapping relationship between a plurality of timeline identifiers in a database and corresponding start log serial numbers; the timeline identifier is an identifier generated when the main database and the standby database are switched, whether the log data cross different timeline identifiers or not is judged according to the mapping relation and the starting log serial number and the ending log serial number of the log data, and under the condition that the log data cross different timeline identifiers, the log data cross different timeline identifiers. Reconstructing a log reading process according to a start log serial number of a new timeline identifier, wherein the new timeline identifier is different from the plurality of timeline identifiers; according to the method, automatic reconstruction of the log reading process after main and standby switching is achieved, the problems of low efficiency and poor real-time performance caused by manual operation are avoided, and continuity and consistency of data synchronization of the source end and the target end are guaranteed.

The invention discloses a dual-channel adaptive network stability testing method and system, and belongs to the technical field of computer network testing. The system adopts a dual-channel asynchronous communication architecture in which a control channel and a data channel are physically separated, instructions and state information are transmitted through an independent TCP control channel, and high-speed test data streams are transmitted through a UDP or TCP data channel. The method comprises the following steps: dynamically and adaptively adjusting a timeout parameter based on real-time network delay detection; nanosecond constant interval packet sending control is realized by using a high-precision monotonic clock source and busy waiting compensation mechanism; a packet loss detection, positioning and ACK confirmation mechanism based on the serial number is realized in an application layer; and real-time statistical display and idle detection automatic termination are realized through multi-thread parallel processing. According to the invention, the precision, the stability and the adaptive capability of network testing are remarkably improved, and the method is suitable for long-time stability testing in various scenes such as a high-speed Ethernet, a satellite link, an industrial Internet of Things gateway and the like.

The invention relates to the technical field of computer information retrieval, and discloses a security person and vehicle multi-mode retrieval method and device, electronic equipment and a storage medium, and the method comprises the following steps: arranging various sensor equipment in a security area; uploading the collected video and image to a cloud object for storage; performing image text feature extraction by using the large model; receiving an image or text request uploaded by a user, calling the corresponding large model to carry out image text feature extraction, and carrying out feature retrieval through the vector database; an Elasticsearch database is used for further query, screening item information set by a user is combined, and the device comprises a data acquisition module, a management platform service module, a data storage module, a large model feature extraction module and a feature retrieval and matching module. According to the method, a clock callback detection and compensation mechanism, machine ID unified configuration and microsecond-level timestamp serial number generation are introduced, so that the technical effect of avoiding ID conflicts and time sequence errors is effectively achieved.

The invention provides an end-to-end reliable retransmission method, a computing node and a system for an AI intelligent computing network. The method comprises the following steps: a source end and a destination end establish synchronization through a handshake mechanism; the source end sends a data packet to the destination end, and locally caches the sent data packet; the destination end receives the data packet, compares the serial number of the data packet with the expected serial number of local maintenance, and returns an acknowledgement message or a retransmission request to the source end according to a comparison result, and the acknowledgement message carries the current expected serial number; in response to the confirmation message, the source end releases all the data packets of which the serial numbers are smaller than the expected serial number carried by the confirmation message in the local cache; or, in response to the retransmission request or transmission timeout, acquiring the corresponding data packet from the local cache for retransmission; and after the source end sends the last data packet, if the confirmation message is not received within the preset time, actively sending a state query request to the destination end to obtain the receiving state of the last data packet.

The invention discloses an HTTP (Hyper Text Transport Protocol) text restoration method based on DPDK (Data Platform Development Kit), which relates to the technical field of computer networks, and adopts a multi-process decoupling architecture to respectively run processes such as flow collection and protocol analysis, fragmentation recombination and text restoration, formatted message splicing, text restoration timeout waiting and the like in independent CPU (Central Processing Unit) cores; and efficient and lock-free data transmission is carried out by using a ring mechanism of the DPDK. Different from a traditional memory splicing scheme, the data offset is calculated based on the TCP serial number, the load content is directly written into the corresponding position of the file, the problems of message disorder, packet loss, retransmission and the like are effectively solved, an atomic renaming mechanism from the file ID1 (intermediate state) to the file ID2 (complete state) is adopted, and accurate migration of the file state is ensured. Besides, the invention innovatively provides a bidirectional asynchronous scheduling mechanism based on data export and text restoration state monitoring, so that the data export process can continuously keep high throughput, and the overall processing capacity of the system is ensured.

The invention relates to the field of information security, in particular to a data security processing method, a computer program product, electronic equipment and a storage medium. The data security processing comprises the steps of obtaining to-be-transmitted target data; encrypting to-be-transmitted target data by using the key to obtain a ciphertext; packaging the ciphertext, the serial number and the truncation message authentication code to obtain a message frame; the truncation message authentication code is generated based on the ciphertext, the serial number and the key; and sending the message frame to a receiving end, so that the receiving end verifies and decrypts the message frame, and the data security can be improved.

A communication method and a communication device, comprising: determining a first physical serial number according to a first logical serial number and a first mapping relationship, and sending a first sequence, the first sequence being determined according to the first physical serial number. Wherein the first mapping relation is used for indicating the corresponding relation between the physical sequence numbers and the logic sequence numbers of the cubic polynomial index sequences, and the cubic term coefficients of the cubic polynomial index sequences corresponding to the physical sequence numbers are the same; the maximum value of the cross-ambiguity function of the cubic polynomial exponential sequence corresponding to the plurality of continuous physical serial numbers is smaller than or equal to the first threshold value, and the logical serial number is used for indicating the position index of the physical serial number, so that the sequence capacity can be improved, the configuration efficiency of the sequence resource can be improved, and the transmission requirement of the terminal equipment can be met.

The invention discloses a unique number generation method and device, electronic equipment and a storage medium, and relates to the field of distributed technologies. The method comprises the following steps: after a number generation device is started, accessing a pre-deployed distributed coordination service cluster, and obtaining an initial machine identifier corresponding to the number generation device from the distributed coordination service cluster; in response to the received serial number generation requests in the high-concurrency environment, determining a timestamp and a serial number corresponding to each serial number generation request; and based on a snowflake algorithm, generating a corresponding unique number for each number generation request according to the initial machine identifier and the timestamp and the serial number corresponding to each number generation request. According to the scheme, the snowflake algorithm and the distributed coordination service cluster are combined to generate the unique number, the generated unique number is shorter, and fewer transmission and storage resources are occupied; and the unique number corresponding to each number generation request can be sequenced through a serial number, so that the method is more suitable for a high-concurrency environment.

Techniques for volume durable log sequence number movement in a multi-volume database environment are described. Blocks of database updates are persisted in an atomic and durable manner, where the blocks may include updates to a first volume, a second volume, or both. Backlinks from one block of updates to the previous block of updates may be set, in addition to backlinks between updates to the first volume and backlinks between updates to the second volume. Upon durably persisting a block, the block backlinks can be followed to help verify that all contiguous blocks—of changes to one or both volumes—have all been persisted. Thereafter, a volume durable log sequence number (VDL) pointer value can be updated to point to a known “last” durably persisted log update.

A method, computer program product, and computing system for processing a plurality of packets transmitted from a first computing device to a second computing device. A packet sequence number associated with each packet is identified. An error-detecting code representation is generated using the packet sequence number of each packet. A packet that is missing from the plurality of packets is identified. A packet loss pattern associated with the plurality of packets is identified by comparing the error-detecting code representation with a plurality of entries of a high probability loss pattern memory table.

The invention discloses a data transmission method, device and equipment and a storage medium, and relates to the technical field of communication, and the method comprises the steps: transmitting a first notification to a transmitting end under the condition that a target data packet with an expected serial number is not received, so as to instruct the transmitting end to retransmit the target data packet; and under the condition that the target data packet is repeatedly received, sending a second notification to data forwarding equipment to indicate the data forwarding equipment to remove a target transmission path associated with the target data packet. According to the method and the device, the condition that the receiving end requests data retransmission from the sending end is effectively reduced by removing a high-delay transmission path, so that the throughput rate of the system is improved.

The invention belongs to the field of computer networks, data compression and mobile internet and wireless communication, and discloses a TCP (Transmission Control Protocol) data packet compression and aggregation self-adaption method, which comprises the following steps of: 1, receiving a TCP data packet and separating a header from a payload; step 2, storing the effective load part; step 3, compressing the head and updating context data according to the serial number, the confirmation number, the mark and the window size field of the head; step 4, combining the compressed header with the effective load to obtain a compressed message; 5, extracting the compressed messages according to a set aggregation threshold value, aggregating the compressed messages, and sending the aggregated compressed messages to a data link layer; and step 6, storing the operation records, comparing the operation records with the previous N operation records, and changing a set aggregation threshold according to a comparison result. According to the invention, the message can be efficiently processed under the condition of a complex network, so that the overall network throughput and the message processing efficiency are improved.

The invention belongs to the field of embedded system test technology and industrial automation, and discloses an automatic PCBA comprehensive test method and system, and the method comprises the steps: carrying out the power-on processing of a to-be-tested PCBA board card; detecting a PCBA board card to be tested which runs a board card program under the same local area network, establishing connection, detecting peripheral information to be tested, and reporting a detection result to the upper computer; generating a board card serial number by using an SM3 Hash algorithm and combining with a stream encryption algorithm; the PCBA board card to be tested is tested, and the test process and the test result are visually displayed through the upper computer; and binding a test result with a fault code and a board card serial number generated in the test process, and storing the test result as a test log. According to the invention, the problems of high specificity and low reuse rate of traditional test equipment can be solved, rapid adaptation of PCBA of multiple models is realized, and the problem of repeated development of multi-peripheral test is eliminated.

The present invention provides a transaction log parsing method for a database and a related product, wherein the transaction log parsing method for a database comprises: starting a log parsing program; in response to the log parsing program being repeatedly started, obtaining breakpoint information of a transaction log; the log parsing program parses the transaction log starting from a redo sequence number, and selectively parses the transaction log between the redo sequence number and the end sequence number of a committed transaction during the parsing process. The transaction log parsing method for a database of the present invention enables the log parsing program to skip at least part of the transaction logs that are repeatedly parsed, thereby improving the parsing efficiency of the log parsing program, so as to ensure that the database can quickly recover data, save the computing power of the database, ensure data consistency, and ensure the performance of the database.

The invention belongs to the technical field of computer network communication, and provides an RDMA-oriented reliable connection fault rapid recovery method and system, the method is executed by a first communication end, communication is established between the first communication end and a second communication end through a queue pair QP, and the queue pair QP is used for bearing service data transmission. The first communication end reserves resources after the QP enters an error state, and sends a PROBE control frame to the opposite end through the control plane queue pair; the second communication end decides to reuse the original QP or allocate a new QP (reuse an original protection domain, a memory registration area and a completion queue) according to the local QP state, and returns a QP number and a start packet serial number in an RESP frame; and the first communication end updates the local QP context and drives the state machine to switch to a ready sending state. The whole process does not need to destroy the QP and does not depend on CM handshake, the recovery time delay is less than 0.5 millisecond, and the method is transparent to the upper layer application and is suitable for the RoCE v2 network environment.

The invention belongs to the technical field of data processing, and particularly discloses a multi-feature code matching method, a multi-feature code matching device, electronic equipment, a medium and a program product. Single feature code original information including identification information, matching attribute information, user association information and matching state information is constructed; judging the rule type according to the anchor point flag bit, if the rule is a common rule, querying a combination type and a serial number through a combination identifier, and executing hierarchical multi-feature code matching; and if the rule is the anchor point rule, executing pure anchor point feature code matching based on the anchor point type and the anchor point identifier. According to the method, differentiated processing is carried out between a common rule and an anchor point rule, so that the problems of high complexity, table item expansion and large resource occupation of a multi-feature code combination rule are effectively solved, efficient identification and matching of multi-dimensional message features are realized, and the method has the advantages of high processing performance, low resource consumption and good expansibility.

The invention discloses an anti-quantum certificate signature verification method, which comprises the following steps: signing and issuing a traditional certificate to a certificate issuing mechanism, and carrying out abstract operation processing on a serial number of the traditional certificate to obtain an abstract of the traditional certificate; issuing an anti-quantum certificate to a certificate issuing mechanism, and adding the abstract of the traditional certificate into an extension item of the anti-quantum certificate, so that the anti-quantum certificate is bound with the traditional certificate; when the security of the certificate needs to be verified in the interaction process with other application systems, performing signature verification processing on the traditional certificate; and after the signature verification of the traditional certificate is passed, carrying out signature verification processing on the countermeasure quantum certificate, and if the verification is passed, considering the certificate as a trusted certificate. The invention further discloses a device for implementing the anti-quantum certificate signature verification method, computer equipment and a storage medium. According to the method, the potential risk that a traditional digital certificate is attacked by quantum during use can be well solved, and the security of the certificate is greatly improved.

The invention discloses a pre-writing type log service method and device, equipment and a storage medium, relates to the technical field of log services, is applied to a log server, and comprises the following steps: receiving a log recording request for a target log concurrently submitted by a state machine; based on the log recording request, generating a logic log serial number and a physical log serial number of the target log; in response to a restart playback request sent by the state machine, obtaining a mapping relationship between the logic log serial number and the physical log serial number; and based on the mapping relationship between the logical log serial number and the physical log serial number, playing back and applying the target log to the state machine through a logical log sequence sliding window. According to the method, the uniqueness and the sequence of the target log are ensured through the logic log serial number and the physical log serial number, and the fault tolerance and the throughput capacity are improved.

The invention discloses a memory device management method and device, and relates to the field of computers.The method comprises the steps that field data of N bytes are extracted from serial existence detection data of a server memory device, and the bytes comprise key fields such as manufacturer numbers, production place information, production years, production weeks and serial numbers; and the target sequence identifier is generated according to the preset rule combination, and the identifier completely reflects physical factory information such as a manufacturer, a production place, time and a unique serial number of the memory device, so that the purpose of unifying memory sequence identifier display is achieved, and the technical effect that complete memory information can be accurately checked in real time without physically disassembling a server is achieved. The operation and maintenance efficiency of the server is improved, the hardware management cost is reduced, and the reliability and applicability of the system are enhanced.

In a computing network implementing an adaptive load balancing scheme using entropy values (EVs) to select network paths, the next expected packet sequence numbers (PSNs) sent along different paths are tracked. A generation number is increased to obtain a new EV and a last probe packet is sent to clear an old EV. If a starting PSN is divisible by a number k, an entropy slot is derived for each PSN using a modulo function based on k.

The invention discloses a station model-based automatic matching method for instrument resources and test methods, which comprises the following steps of: scanning a serial number of a tested piece on a production line according to an issued test task, if a unique number of a product type corresponding to the serial number does not exist, reading and analyzing a product specification, and if the unique number of the product type corresponding to the serial number does not exist, reading and analyzing the product specification; selecting a corresponding test method from a test method library according to a test method required by a product specification, obtaining a corresponding station model according to the test method, configuring a test instrument required for testing the tested piece according to the station model, and planning a physical station; and connecting a required test instrument with the tested piece, and testing the tested piece through a test method determined by the station model. According to the application, the corresponding station model can be generated according to the type of the test product, the instrument resources are automatically allocated on the basis of the station model, the test method is generated, the production line management is optimized, and the automatic test in which the instrument resources are matched with the test method is realized.

Provided are techniques at least two pairing strategies in a contact center system, involving a method, a system and an article of manufacture. The method of present disclosure includes: assigning sequence numbers to a series of events; initiating a first pairing strategy based on the sequence numbers; ending the first pairing strategy based on the sequence numbers; initiating a second pairing strategy based on the sequence numbers; ending the second pairing strategy based on the sequence numbers; assigning a first set of values to contacts assigned by the first pairing strategy; assigning a second set of values to contacts assigned by the second pairing strategy; and determining a metric that compares the first pairing strategy with the second pairing strategy based on the first and second set of values. The techniques of present disclosure can get rid of shortcomings and / or drawbacks of a time-based benchmark.

This application relates to the field of smart terminal technology and provides a method, system, apparatus, terminal device, and storage medium for multi-user collaborative editing. The method includes: immediately executing the operation instruction when a user's operation instruction is detected and updating the execution result to a local transient state; sending the operation instruction to a server, where the server performs conflict detection on the operation instruction, assigns a sequence number to the operation instruction, generates a pre-ordered operation instruction set, and updates the global baseline state; receiving the pre-ordered operation instruction set broadcast by the server; comparing the local transient state with the global baseline state based on the pre-ordered operation instruction set, and if there is a state difference, changing the local transient state to make it consistent with the global baseline state, and updating the consistent local transient state to the local baseline state. This application can efficiently and reliably achieve eventual consistency of the states of each client, improving the smoothness and efficiency of multi-user collaborative editing.