Mingjie Zhao

Efficient Electronic Transaction Query Model for Light Nodes Based On Optimized Blockchain Structure

2022

Various lightweight devices, such as mobile banks and IoT devices used for wireless payments and others, are increasingly incorporating blockchain-based electronic transaction systems. However, querying transactions requires synchronizing all current blocks, which wastes a great …

Categorical Data Clustering via Value Order Estimated Distance Metric Learning

2025 · Proceedings of the ACM on Management of Data

Clustering is a popular machine learning technique for data mining that can process and analyze datasets to automatically reveal sample distribution patterns. Since the ubiquitous categorical data naturally lack a well-defined metric space such as …