@ARTICLE{zhao2021preserving, author={Y. {Zhao} and H. {Jiang} and Q. {Chen} and Y. {Qin} and H. {Xie} and Y. {Wu} and S. {Liu} and Z. {Zhou} and J. {Xia} and F. {Zhou}}, journal={IEEE Transactions on Visualization and Computer Graphics}, title={Preserving Minority Structures in Graph Sampling}, year={2021}, volume={27}, number={2}, pages={1698-1708} }