@article{JDSA:2020:Wan,<br>
author={Yuanyu Wan and Lijun Zhang},<br>
journal={International Journal of Data Science and Analytics},<br>
title={Accelerating Adaptive Online Learning by Matrix Approximation},<br>
year={2020},<br>
volume={9},<br>
number={4},<br>
pages={389--400},<br>
}