4 papers
ScamSweeper: Detecting Illegal Accounts in Web3 Scams via Transactions Analysis
Xiaoqi Li, Wenkai Li, Zhijie Liu +6
The web3 applications have recently been growing, especially on the Ethereum platform, starting to become the target of scammers. The web3 scams, imitating the services provided by…
Penetrating the Hostile: Detecting DeFi Protocol Exploits through Cross-Contract Analysis
Xiaoqi Li, Wenkai Li, Zhiquan Liu +2
Decentralized finance (DeFi) protocols are crypto projects developed on the blockchain to manage digital assets. Attacks on DeFi have been frequent and have resulted in losses exce…
GraphEdge: Dynamic Graph Partition and Task Scheduling for GNNs Computing in Edge Network
Wenjing Xiao, Chenglong Shi, Miaojiang Chen +3
With the exponential growth of Internet of Things (IoT) devices, edge computing (EC) is gradually playing an important role in providing cost-effective services. However, existing…
HNCSE: Advancing Sentence Embeddings via Hybrid Contrastive Learning with Hard Negatives
Wenxiao Liu, Zihong Yang, Chaozhuo Li +5
Unsupervised sentence representation learning remains a critical challenge in modern natural language processing (NLP) research. Recently, contrastive learning techniques have achi…