Daojun Han

DSSPS

2019

Data sharing plays an important role in the development of the Internet, and it is widely used in various fields. This paper focuses on the security issues in the process of data sharing, combined with …

A smart contract vulnerability detection model based on graph neural networks

2022

In recent years, smart contract vulnerability detection methods mostly view smart contract source code as natural language for processing, which cannot fully capture the semantic and structural features of the source code and has a …

Segmentation-aware relational graph convolutional network with multi-layer CRF for nested named entity recognition

2024 · Complex & Intelligent Systems

Abstract Named Entity Recognition (NER) is fundamental in natural language processing, involving identifying entity spans and types within a sentence. Nested NER contains other entities, which pose a significant challenge, especially pronounced in the domain …