Semantic classification of transaction data records in distributed database

Semantic classification of transaction data records in distributed databases

Key Terms

Term Definitions Blockchain A distributed database that uses cryptographic methods to link data blocks together to ensure that the data cannot be tampered with. Distributed database A database system in which data is stored in multiple physical locations and managed by multiple nodes. Transaction data record A record stored in a blockchain that represents a transaction or data change. Semantic classification Classification of data based on its meaning or semantics. Cryptographically secured Protection of data using cryptographic methods to ensure data confidentiality and integrity. Block The basic unit in a blockchain, containing multiple transaction data records and other metadata. Hash tree A tree-like data structure used to efficiently verify the integrity of data. Search term A keyword used to find a specific transaction data record in a blockchain. Filtering Selecting data from a data set that meets specific conditions. Publish-Subscribe A messaging pattern in which publishers publish messages to specific topics and subscribers subscribe to topics of interest to receive messages. Short Answer Questions

What is blockchain? How does it ensure data security?

Explain the difference between semantic classification and traditional classification methods

In this patent, what role do search terms play in organizing and retrieving transaction data records?

Briefly describe the method proposed in this patent for semantic classification of transaction data records.

What role does the hash tree play in verifying the integrity of blockchain data?

Explain the meaning of "cryptographic protection" in this patent.

How does the method proposed in this patent improve the efficiency of blockchain in IoT applications?

What is the publish-subscribe model? How does it play a role in blockchain data filtering?

Explain the concept of "blockchain oracle" in this patent and its role.

What are the potential application areas of the method and device proposed in this patent?

Answers to short-answer questions

Blockchain is a distributed database that uses cryptographic methods to link data blocks together to ensure that the data cannot be tampered with. Each block contains the hash value of the previous block, forming an unchangeable chain, and any tampering will cause the chain to break.

Semantic classification classifies data according to its meaning or semantics, while traditional classification methods are usually based on the surface features of the data. Semantic classification can understand data more accurately and establish semantic associations between data.

Search terms are used to mark and organize transaction data records. By associating transaction data records with specific search terms, users can quickly find relevant data based on the search terms.

The method first determines the search terms in the blockchain, and then selects and assigns corresponding records from the unclassified transaction data record set based on the search terms. Finally, the assigned records are semantically classified according to the predefined classification criteria, and the results are stored in the blockchain.

A hash tree is a tree data structure that stores the hash values ​​of all transaction data in the blockchain. By comparing the root hash value, the integrity of the entire blockchain data can be quickly verified.

"Cryptographic protection" refers to the use of cryptographic methods to protect data, such as hash algorithms, digital signatures, etc., to ensure data confidentiality and integrity and prevent unauthorized access and tampering.

By semantically classifying and filtering transaction data records, this method can reduce the amount of data that IoT devices need to process, improve data retrieval efficiency, reduce device burden, and thus improve the efficiency of blockchain in IoT applications.

The publish-subscribe model is a messaging model in which publishers publish messages to specific topics and subscribers subscribe to topics of interest to receive messages. In blockchain data filtering, the publish-subscribe model can be used to send filtered data to nodes of interest to improve data distribution efficiency.

Blockchain oracles are bridges between blockchain and the real world. They can write real-world information into blockchain, such as temperature, time, etc., to provide a trusted data source for smart contracts.

The method and device can be applied to fields that require semantic classification and security management of large amounts of data, such as supply chain management, Internet of Things, Fintech, healthcare, etc.

Paper title

Compare and contrast the semantic classification method proposed in this patent with other blockchain data management methods, such as off-chain storage, side chains, etc.

Explore the advantages and limitations of the method and device proposed in this patent in specific IoT application scenarios, such as smart grids, supply chain management, etc.

Analyze the impact of the method proposed in this patent on blockchain performance, such as transaction processing speed, storage space, etc., and propose corresponding optimization solutions.

Design a system architecture based on the method and device proposed in this patent to solve practical problems, such as medical data sharing, digital identity management, etc.

Explore the problems and challenges of the method proposed in this patent in protecting user privacy, and propose corresponding solutions.