@conference {1731, title = {A Data-Driven Analysis of K-12 Students{\textquoteright} Participation and Learning Performance in an Online Supplementary Learning Platform}, booktitle = {The 30th IEEE International Conference on Computer Communications and Networks (ICCCN 2021)}, year = {2021}, month = {07/2021}, publisher = {IEEE}, organization = {IEEE}, address = {Athens, Greece}, author = {Jiaquan Zhang and Xin Gao and Hui Chen and Lei Chen and Liang Wang and Jar-Der Luo and Xiaoming Fu} }