1714 results about "Transaction processing" patented technology

The invention discloses a trusted data flow evidence storage management system based on a block chain, and relates to the technical field of data communication. The intelligent management platform is in communication connection with an evidence storage data acquisition module, an evidence storage generation module, a node priority analysis module, a flow scheduling module, a data evidence storage management module and a monitoring maintenance module, and all the modules are in electric signal connection. According to the method, the integrity and authenticity of the data in the circulation process are ensured through tampering resistance of the block chain, circulation of each data is recorded on the block chain, an open and transparent data account book is formed, the source, the flow direction and the change history of the data become traceable, the circulation path and the state of the data are clarified, and in addition, the data circulation efficiency is improved. And through log recording and transaction processing condition analysis functions, the transparency of the data circulation process is further enhanced, so that the use of the data is more standard.

A method includes receiving, by a processor of a transaction processing entity, a transaction attempt. The method includes receiving a risk score from a risk strategy decision model, the risk score being determined from a machine learning model. The method includes in response to receiving the risk score, determining, whether the risk score exceeds a threshold indicating the transaction attempt is potentially fraudulent. In response to determining the risk score exceeds the threshold: the method includes determining, whether to approve or decline the transaction attempt; and determining a reason for approving or declining the transaction attempt based on one or more variables contributing to the risk score. The method includes outputting an indication to approve or decline the transaction attempt in response to determining whether to approve or decline the transaction attempt and the reason for approving or declining the transaction attempt.

Systems and methods for decentralized orchestration of event records within decentralized computing environments. A processing system including decentralized execution nodes dynamically allocates microservice instances based upon real-time node performance metrics. Transaction requests including transaction data digitally associated with decentralized identifiers (DIDs) are processed by allocated microservice instances. The processing includes verifying transactions, generating cryptographically-linked immutable memorialization records associated with respective DIDs, and distributing these records to a tamper-evident distributed ledger configured to enforce immutability through consensus nodes. The processing system dynamically reallocates microservice instances among decentralized execution nodes based upon monitored utilization metrics and predefined scaling thresholds. Each memorialization record is cryptographically secured and linked permanently to the DID for data immutability, enhanced security, and dynamic scalability for event data processing in distributed infrastructures.

The invention discloses a building industry human resource management system based on a block chain technology, and aims to solve the problems that a current building industry human resource management system is slow in processing speed and difficult to meet flexible employment and rapid recruitment requirements of the building industry, so that transaction processing is delayed, sensitive information of employees may be leaked, a decentralized architecture needs multi-party coordination, and the efficiency is high. The system comprises a block chain module which is used for data storage, security and automatic execution of a consensus mechanism; and the business management module is used for carrying out precise management on complex scenes in the building industry through characteristics of decentralization, non-tampering and the like. According to the method, a decentralized distributed architecture is adopted, the data is stored on a plurality of nodes, the security of the data is ensured, each piece of data is recorded on the block chain and cannot be tampered by any person, the authenticity and integrity of the data are ensured, intermediate links can be reduced, and the management cost and risk are reduced.

The invention discloses a self-correction structured bid evaluation guide method for public resource transaction, and relates to the field of resource transaction processing, the method is based on a bid evaluation system, and the method comprises a data preprocessing unit, a structured analysis unit, a rule unit, an intelligent evaluation unit, a workflow management unit, a report generation unit and a data filing unit. Historical similar project scoring data is analyzed based on a large language model through an intelligent review unit, a real-time scoring reference interval is generated, expert experience and data driving are combined, professional judgment is reserved, scoring randomness is reduced through data quantification, a workflow management unit adopts an LSTM neural network to construct a review behavior prediction model, and the review behavior prediction model is used for predicting the review behavior. According to the method, the degree of deviation between expert scores and predicted values is compared in real time, meanwhile, multi-party review cases are integrated based on federal learning to form a dynamic knowledge base, review after the event is changed into real-time monitoring and intelligent intervention, the objectivity of bid evaluation is enhanced, and subjective item scores tend to be standardized.

The invention provides a cache architecture and method of an AXI interconnection module, electronic equipment and a storage medium, and relates to the technical field of storage, the cache architecture comprises an index cache region, a shared cache region and a shared cache access controller, the index cache region comprises an index entry list, and the shared cache region comprises an instruction cache region and a data cache region; each index cache region corresponds to one main device, the shared cache region corresponds to all the main devices, and the index entry list is used for recording index information of access transactions of the corresponding main devices; each index entry in the index entry list corresponds to one access transaction; and the shared cache access controller is used for storing instruction information corresponding to the access transaction in the instruction cache region based on the index information and storing data information corresponding to the access transaction in the data cache region. By applying the scheme of the invention, the utilization efficiency of on-chip resources can be improved on the basis of ensuring the transaction processing performance.

The invention discloses a transaction processing mechanism optimization method and system for time series data, and belongs to the technical field of databases, and the method realizes a differentiated ACID support mechanism, strengthens atomicity and durability guarantee, and weakens consistency and isolation requirements; comprising the following steps: designing a collaborative architecture of a transaction system and a pre-write log WAL, and establishing a binding relationship between a transaction state and WAL writing; generating a WAL record only for the successfully submitted transaction operation, and performing persistent storage by adopting a batch group submission strategy; transaction scheduling is realized through a lightweight transaction manager, and the life cycle of a transaction request is managed; the functions of efficient writing of transaction granularity, log storage and rapid recovery are realized through a pre-writing log manager; through intelligent Checkpoint background service, based on a periodic incremental check point mechanism, compression merging and space recovery of the WAL file are realized. According to the invention, the performance breakthrough of the time sequence database in a high-concurrency write-in scene can be realized.

The invention discloses an electric power spot market electric charge settlement system and method fused with a block chain technology, and the system comprises a core settlement layer which is used for storing the electricity price and user identity data, and executing an electric charge settlement rule through a built-in intelligent contract module; the high-frequency transaction processing layer is used for processing a transaction process through an under-chain caching technology and uploading data in the transaction process to the core settlement module; an external data interface is integrated on one side of the high-frequency transaction processing module and used for acquiring electric quantity and load data in real time, and a cross-chain gateway is arranged on the other side of the high-frequency transaction processing module and used for achieving synchronous settlement of electric charge and capital flow. According to the method, the efficiency and transparency defects of a traditional mode are overcome, the performance and energy consumption bottleneck of the block chain technology in an electric power scene is broken through, high efficiency, safety, expandability and environmental protection benefits are achieved, and a credible, real-time and compliant digital settlement infrastructure is provided for an electric power spot market.

A method of provisioning a credential for a transaction between a payment device of a user and a transaction processing device is described. The method is implemented a third-party server remote from the payment device and the transaction processing device. The method comprises assigning the credential to the transaction and the user and provisioning the credential into the payment device for subsequent retrieval by the payment device. Assigning the credential to the transaction comprises: determining unique identifying information of the user; allocating a first user-identifying portion of the credential to correspond to the unique identifying information; determining a plurality of properties intrinsic to the transaction and encoding the plurality of properties into transaction-identifying information; and allocating a second transaction-identifying portion of the credential to correspond to the transaction-identifying information. The credential is associated with encrypted authentication data that is generated by the payment device during the transaction, and used for subsequent authentication of the transaction by the remote third-party server.

The invention belongs to the technical field of block chains, and particularly relates to a dynamic trust decision notarization method and system based on Bayesian reasoning, illegal transactions are prevented by designing a reward and punishment mechanism of a supervision mechanism, a notarist and a user are promoted to dynamically adjust a transaction strategy through Bayesian reasoning, and the transaction efficiency is improved. The notary deduces a posterior belief based on the prior belief to perform strategy selection, the sender deduces the current posterior belief and the queue length of each notary according to the prior belief to select which notary to perform transaction processing, and the receiver updates the posterior belief through Bayesian reasoning to determine a transaction strategy; and after the transaction is completed, the notariff synchronously updates the block chain state and sends confirmation to the two parties. According to the method, notarist cross-chain and Bayesian reasoning are combined, the transaction quality under block chain cross-chain is better guaranteed, and powerful support is provided for improving the transaction quality and reducing transaction violation behaviors.

The invention discloses a cross-fragmentation transaction and fragmentation migration method and system, and relates to the technical field of transaction methods, and the method comprises the following steps: for a transaction input into a network, if accounts of a payer and a payee are in one fragmentation, carrying out an on-chip transaction; if the account of the payer and the account of the payee do not belong to the same fragment, cross-fragment transaction processing is carried out, and the cross-fragment transaction processing comprises the steps of main fragment transaction distribution; verifying transactions in the fragments; carrying out cross-fragment transaction verification; and submitting the cross-fragment transaction. According to the invention, the introduction of the block chain fragmentation technology can enable the block chain network to maintain the decentration characteristic, and achieve higher throughput and lower transaction delay at the same time.

The invention discloses a block chain fragment security expansion method of a trusted state synchronization chain, which realizes state consistency verification between fragments by constructing a Layer1 state synchronization chain, and adopts an unbiased random leader rotation mechanism based on a preorder block signature and an efficient two-stage submission protocol. Three rounds of communication of traditional BFT consensus are compressed into two rounds of parallel processing under a state fragmentation architecture, and a dynamic fragmentation recombination strategy and a state difference synchronization technology are combined, so that the core problems of throughput bottleneck, cross-fragmentation transaction atomicity, attack risk prediction by a leader, reduction of recombination efficiency and the like in a block chain fragmentation system are systematically solved; the parallel transaction processing is realized, the consensus time delay is reduced by 30%, the cross-fragment transaction verification efficiency is improved by 60%, the system throughput is linearly expanded along with the fragment number, and the system security is enhanced through a pledge economic model and a malicious node detection mechanism.

The invention belongs to the technical field of artificial intelligence, and relates to a concurrent flow limiting method and device, computer equipment and a storage medium, and the method comprises the steps: receiving a transaction processing request which is sent by a user terminal and carries transaction request data; obtaining a resource identifier corresponding to the transaction request data; querying a real-time concurrent value corresponding to the resource identifier in the REDIS; comparing the real-time concurrent numerical value with a threshold value which is recorded in a system memory and read during starting; if the real-time concurrent value is smaller than the threshold value, business operation is carried out on the transaction request data; and if the real-time concurrent value is greater than or equal to the threshold value, terminating the business operation of the transaction request data. According to the method, the transaction real-time current limiting data of the concurrent current limiter is stored in the REDIS, the current limiting bottleneck is avoided, the REDIS response delay is extremely low, the response speed is high, and too much time delay is not increased due to the fact that the current limiting function is added.

The invention discloses a virtual power plant operation management and control method based on a block chain, original power data are compressed into Hash fingerprints to be chained through a collaborative architecture of an edge computing layer and an AI pre-decision module, the block chain network load is effectively reduced, and a dynamic elastic PBFT consensus mechanism adjusts the scale of verification nodes in real time based on transaction types, so that the efficiency is improved. And compared with a traditional fixed node consensus mechanism, the network communication overhead is reduced. And a hash value asynchronous pre-verification technology is adopted, so that the interaction rate of the multi-dimensional power data is improved, and the efficiency is improved compared with that of a conventional data uplink mode. Through the decoupling design of the intelligent contract execution flow and the consensus verification flow and in combination with the pre-decision data cache queue, the resource scheduling instruction issuing time delay is reduced. The block chain transaction throughput is improved and is effectively improved compared with a standard alliance chain architecture, and the technical problems that the consensus mechanism processing transaction speed of an existing block chain is limited and the high-frequency real-time data interaction requirement of a virtual power plant is difficult to meet are successfully solved.

The invention discloses a direct memory access (DMA) communication device for a computing network convergence computing architecture and a working method of the DMA communication device. The DMA communication device comprises a DMA transaction processing module and a protocol conversion module; the DMA transaction processing module is used for analyzing related DMA read-write requests, realizing processing of the DMA read-write requests and receiving of response data of the DMA read requests and completing processing of interrupt requests at the same time, and the protocol conversion module is used for completing conversion of read-write requests between a DMA interface and an AXI interface and mapping of response states. The invention aims to realize efficient protocol conversion between AXI and DMA interfaces, avoid the problem of DMA read request starvation caused by resource competition and ensure the consistency of DMA data access so as to improve the performance of an accelerator in high-performance calculation and artificial intelligence application, reduce transmission delay and improve data transmission bandwidth and energy efficiency.

The invention discloses a block chain-based consensus authentication method and device, electronic equipment and a program product, and relates to the technical field of block chains, and the method comprises the steps: generating a pre-preparation message based on a financial transaction request initiated by a client through a main node, and broadcasting the pre-preparation message to all consensus nodes, part of preparation messages returned by consensus nodes are received through a main node, signatures in the part of preparation messages are aggregated into batch signatures under the condition that the validity verification of the messages is passed, submission information is generated based on the batch signatures, and the submission information is broadcasted to all the consensus nodes. And counting the number of the consensus nodes which pass verification of the aggregated batch signatures, and completing the consensus authentication process of the current batch transaction under the condition that the number of the consensus nodes reaches a preset node number threshold value. According to the method and the device, the technical problems of low consensus efficiency and complex verification process when the alliance chain adopts a batch processing signature mechanism to perform batch processing in a high-concurrency transaction processing scene in the related technology are solved.

The invention provides a data synchronization method and device based on Spring Batch and a large model. Synchronously initializing a large model micro service and a Spring Batch framework, and establishing a model service hot standby mechanism; obtaining data source features through a metadata scanning engine driven by a large model, and generating an adaptive synchronization strategy; optimizing a query plan based on the synchronization strategy, dynamically controlling data fragmentation and executing streaming preprocessing and semantic mapping conversion; a target table structure is adapted, a three-level conflict detection mechanism is adopted to eliminate data conflicts, and meanwhile transaction processing and batch writing logic are optimized; the data quality is verified through three-level verification, performance parameters are dynamically adjusted and optimized, and fault-tolerant recovery and resource elastic expansion and contraction are achieved; metadata are synchronized, an execution report is generated, knowledge base self-learning is completed based on task full-link indexes, and a data consanguinity map and a reusable processing case library are constructed. According to the scheme, diversified and dynamic enterprise data synchronization requirements can be met.

The disclosed embodiments relate to systems / methods for low latency regulation of distributed, e.g., geographically and / or logically, transaction processing, such as trading of financial instruments, in accordance with centralized demand-based dynamically reallocated post-trade-based limits, e.g., credit / risk limits. In particular, the disclosed embodiments relate to monitoring credit demand across execution venues, as opposed to actual utilization, and, based thereon, modifying execution specific limits to reallocate of portions of a credit / risk allotment, such as a credit / risk limit, to multiple execution venues for use in approving transactions, which may implement order driven and / or quote driven markets, so as to dynamically rebalance the allocations to the execution venues based on demand / need, rather than utilization, thereby avoiding having to mitigate latencies in determining and responding to utilization. In addition, the disclosed embodiments may maximize the total available amount for reallocation by recognizing inter-execution venue limit offsetting positions, i.e., trades, during the rebalancing process.

The embodiment of the invention provides a chip design verification method and a related device. The chip design verification method comprises the steps of obtaining a to-be-tested chip design and executing the to-be-tested chip design; in the process of executing the to-be-tested chip design, when it is detected that a current transaction processed by the to-be-tested chip design generates blocking delay due to input blocking conditions, if it is determined that the blocking delay exceeds the upper limit of the preset blocking period number, the blocking delay caused by the input blocking conditions is relieved, and the current transaction continues to be processed; in the process of continuing to process the current transaction, if it is detected that the current transaction generates transaction processing delay due to a non-input blocking condition and it is determined that the transaction processing delay exceeds a preset delay upper limit, an error indication is returned; wherein the transaction processing delay is the time difference between the moment when the starting signal of the current transaction is valid and the moment when the completion signal is valid. Through transaction processing delay detection, omission of scenes with problems in the chip can be avoided, and comprehensiveness of problem detection is enhanced.

The invention relates to the field of database reading, and particularly discloses an efficient database reading method based on multi-level cache optimization and dynamic index fragment.The efficient database reading method comprises the steps that high-frequency query data is accurately recognized through a sliding window algorithm, a dynamic cache loading and preheating strategy is implemented, query delay is effectively shortened, and the database burden is relieved; intelligent distribution of index fragments is realized by applying a consistent Hash algorithm, and the query efficiency is greatly improved in cooperation with distributed query routing and transaction processing optimization; the query load balancing ensures stable and efficient operation of the system in a high-concurrency scene by means of weighted polling and a minimum connection strategy in combination with real-time monitoring and an elastic capacity expansion and contraction mechanism. According to the method, the database access efficiency and the dynamic adaptive capacity are remarkably improved, and the method is particularly suitable for a large-scale distributed data processing environment.

1. Name of the Design Product: Camera and Rear Cover of Mobile Phone. 2. Use of the Design Product: The overall use is to provide network communication, voice calls, transaction processing (data storage, recording, picture browsing), etc.; the local use is to protect the internal structure of the mobile phone and take pictures and videos. 3. Design Key Points of the Design Product: Lies in the local shape to be protected. 4. Picture or Photo Most Illustrating the Design Key Points: 3D View 2 of Design 1. 5. Design 1 is designated as the basic design. 6. Other Circumstances Requiring Explanation: Other Explanation: The parts not required to be protected are indicated by dashed lines in Designs 1 to 4.

A system of security that prevents misuse of identity data of an identity data owner in an identity data driven transaction in a global commerce network, that has in the system, a transaction processing entity that after it receives a identity data driven transaction from a transaction initiating entity, puts on hold the processing of the transaction for a period of time and via the identity data owner's wireless mobile communication device, contacts the identity data owner for authorization of the transaction before the transaction processing is completed. The system of security for identity data may be used in the identity data driven transaction is one from a group of (i) credit card payment, (ii) bank account payment, (iii) release of credit profile, (iv) release of financial data, and (v) release of medical data.

Wait times at ATMs may undermine the utility of these self-service machines. ATMs are configured to provide faster self-service kiosks that allow users to quickly perform common financial transactions. However, it has been increasingly common for users to have to wait in a queue to access an ATM. Systems and methods are provided for an ATM that pre-stages transactions by extracting account balance, account status, account fraud, and other necessary information from a plurality of smart cards, before a user begins interacting with the ATM. Information extracted from the plurality of smart cards may be transferred to the ATM wirelessly. Color changes may then be sent from the ATM to the plurality of smart cards. The color changes indicate whether the plurality of smart cards may transact with the ATM without any additional information, thereby improving the transaction processing efficiency of the plurality of smart cards and enhancing user satisfaction.

Federated Learning systems and methods optimize blockchain transaction processing speed (TPS) and carbon efficiency. Blockchain networks have nodes with a Local Federated Learning Model (LFLM) that can develop / refine computational strategies for block generation in PoW systems or transaction validation in POS systems without revealing sensitive data. Nodes communicate with a Federated Learning Information Server (FLIS) to aggregate, analyze, and distribute optimized strategies across the network to reduce block generation and transaction validation computational resources. This boosts TPS and cuts blockchain network energy use. Incentive-mechanisms reward nodes that create / share efficient computational strategies, encouraging innovation. Dynamic strategy adoption modules select and apply optimum strategies based on network conditions and node capabilities. The POS system auto-approves validators to ensure transaction validation. Decentralized computational strategy exchange via a peer-to-peer protocol is also disclosed. Federated Learning with blockchain technology improves operational efficiency and reduces energy consumption and carbon footprint.

The present application relates to the technical field of data storage, and specifically discloses a data transmission method and device, a heterogeneous system, and a coherent interconnect processing component. The coherent interconnect processing component installed on a device enables corresponding coherent interconnect interfaces on the basis of the number of other devices to be interconnected in a heterogeneous system where said device is located, initializes physical communication links to obtain memory interconnect parameters, establishes memory coherent interconnect communication links between the devices on the basis of the memory interconnect parameters, allocates corresponding cache spaces from said device, and on the basis of the memory coherent interconnect communication links and the cache spaces, performs cache coherent transaction processing of said device and the other devices, so as to implement memory coherent interconnect transmission requests between said device and the other devices. Therefore, topologies can be dynamically sensed, and memory coherent interconnect communication links between devices in a heterogeneous system can be automatically established, thereby mitigating the problem that different device interconnect protocols need to be managed in the heterogeneous system, achieving inter-device cache coherence, and further improving the access performance.

The invention discloses a lightweight block chain node consensus mechanism optimization method, and relates to the technical field of block chains. According to the method, the computing power of the lightweight nodes is accurately evaluated through a hierarchical verification aggregation algorithm, efficient participation of the lightweight nodes in a resource-constrained environment is realized, a transaction set is divided into a plurality of subsets by adopting a transaction verification fragmentation strategy, and verification results are aggregated by utilizing a Merkel tree aggregation verification technology; in addition, a dynamic storage management strategy is established, the depth of locally stored historical data is dynamically adjusted according to the node storage capacity, and network storage and retrieval are performed through a distributed hash table; the bottleneck problem of storage and network transmission is effectively solved, and the network bandwidth utilization efficiency and the storage management flexibility are improved.

The invention relates to the technical field of data processing, and discloses an HTAP database construction method and device, equipment and a medium, which can select a plurality of interested target column names and a plurality of target row records from a plurality of column names and a plurality of row records stored in an initial row storage table. And creating a proxy key index column in the initial row storage table, and in the proxy key index column, starting from a preset initial proxy key index identifier, allocating progressive increasing and continuous proxy key index identifiers to each target row record to obtain a target row storage table. And for any target column name, creating column data corresponding to the target column name according to the target column name and each proxy key index identifier. And creating a target column storage table according to each target column name and the corresponding column data. A hybrid transactional processing and analytic processing HTAP database is created that includes a target row store table and a target column store table. According to the database created by the method, the column data query efficiency can be improved based on the target column storage table.

The embodiment of the invention discloses a block chain transaction processing method and system, electronic equipment and a program product, and relates to the technical field of block chains, the method can be applied to a block chain system, and the block chain system comprises a main chain and a sub-chain; the method comprises the steps that a subchain determines the transaction category of at least one transaction request submitted by a user; in response to the fact that the transaction category of a first transaction request in the at least one transaction request is a first preset category, the sub-chain generates a zero-knowledge proof corresponding to the first transaction request, and at least submits the compressed transaction data and the zero-knowledge proof to the main chain together for verification; in response to the fact that the transaction category of the first transaction request is a second preset category, the sub-chain at least submits the compressed transaction data to the main chain to wait for challenge; and updating the global state tree, and releasing a corresponding number of assets to the account address of the receiver. According to the embodiment of the invention, the performance of the sub-chain in the aspects of transaction throughput, transaction reliability verification and the like can be improved.

The invention discloses a DAG-based cross-fragmentation point-to-point energy transaction optimization method, and belongs to the technical field of cross-fragmentation transaction processing. Comprising the following steps: defining a cross-fragment transaction; describing a dependency relationship among a plurality of sub-transactions based on a directed graph (DAG) structure; constructing a coordination layer based on a DAG account book, and selecting a node with the highest reputation value to serve as a DAG committee member; and carrying out transaction verification, cross-fragment transaction forwarding and verification during forwarding on the nodes serving as DAG committee members. According to the method, the optimistic strategy is adopted to process the cross-fragmentation transaction in parallel, and the cross-fragmentation transaction is decomposed into a plurality of sub-transactions in combination with a DAG structure, so that the atomicity and consistency of the transactions are ensured; in a high-frequency transaction scene, the throughput and the processing rate of the system are remarkably improved, and the transaction delay is effectively reduced; a DAG committee is formed in cross-fragment internal nodes, a DAG account book is maintained, efficient cross-fragment transaction processing is achieved, dependence on a trusted third party is eliminated, and communication and verification cost is remarkably reduced.

The invention relates to a transaction processing method and device for multi-version concurrency control and computer equipment. The method comprises the steps of obtaining a data version information table under the condition that a transaction processing request is received; the data version information table comprises a historical version identifier and a historical transaction identifier; determining at least one candidate version identifier from the data version information table according to a transaction isolation rule; determining a target version identifier from the at least one candidate version identifier based on the transaction processing request and the transaction correlation between the historical transaction requests of the historical transaction identifiers; sending the transaction processing request and the target version identifier to a transaction execution node corresponding to the transaction processing request so as to indicate the transaction execution node to perform transaction processing on the original data according to the transaction processing request, and obtaining and returning target data; and the target data is received, and the transaction processing result of the transaction processing request is obtained according to the target data, so that the transaction processing precision and accuracy are improved.