@article{TPAMI:2022:Wan,<br>
author={Yuanyu Wan and Lijun Zhang},<br>
journal={IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI)},<br>
title={Efficient Adaptive Online Learning via Frequent Directions},<br>
year={2022},<br>
volume={44},<br>
number={10},<br>
pages={6910--6923},<br>
}