Pengyu Chen

A Multiple Indicator Credit Ranking Scheme Based on Notary Mechanism

2023

Blockchain has penetrated multiple fields such as finance, healthcare, supply chain, and intelligent transportation. However, the value exchange between different independent blockchain systems limits the expansion of blockchain. Cross-chain technology can achieve the transfer of …

Data Debugging is NP-hard for Classifiers Trained with SGD

2024 · arXiv (Cornell University)

Data debugging is to find a subset of the training data such that the model obtained by retraining on the subset has a better accuracy. A bunch of heuristic approaches are proposed, however, none of …