Yao Qin

Research on User Segmentation based on RFL Model and K-means Clustering Algorithm

2015 · Advances in intelligent systems research/Advances in Intelligent Systems Research

With the rapidly shifting dynamics of the current market, the companies are seeking a more thorough method to research the preferences of their target market. As such, data mining models of user segmentation are often …

TBAC: Transaction-Based Access Control on Blockchain for Resource Sharing with Cryptographically Decentralized Authorization

2018

In this paper we focus on a new generation of secure resource sharing platform in a decentralized blockchain environment with flexible and diverse permission management, as well as verifiable and transparent access process. To do …

Improving Classifier Robustness through Active Generation of Pairwise Counterfactuals

2023 · arXiv (Cornell University)

Counterfactual Data Augmentation (CDA) is a commonly used technique for improving robustness in natural language classifiers. However, one fundamental challenge is how to discover meaningful counterfactuals and efficiently label them, with minimal human labeling cost. …