Xiaowen Chu

BU-Trace: A Permissionless Mobile System for Privacy-Preserving Intelligent Contact Tracing

2021 · arXiv (Cornell University)

The coronavirus disease 2019 (COVID-19) pandemic has caused an unprecedented health crisis for the global. Digital contact tracing, as a transmission intervention measure, has shown its effectiveness on pandemic control. Despite intensive research on digital …

Graph-DPP: Sampling Diverse Neighboring Nodes via Determinantal Point Process

2020

Recently, various graph neural network based approaches have been proposed to learn graph feature representations. However, there exists a long-term outstanding issue, i.e., over-smoothing problem. That is, when convoluting deeper neighboring nodes, the feature difference …

A Survey of Deep Learning Techniques for Neural Machine Translation

2020 · arXiv (Cornell University)

In recent years, natural language processing (NLP) has got great development with deep learning techniques. In the sub-field of machine translation, a new approach named Neural Machine Translation (NMT) has emerged and got massive attention …