Yan-Chao Wang 0002 Jigang Liu Feng Lin 0002 Seah Hock Soon Generating Orthogonal Voronoi Treemap for Visualization of Hierarchical Data. 394-402 2020 CGI https://doi.org/10.1007/978-3-030-61864-3_33 conf/cgi/2020 db/conf/cgi/cgi2020.html#WangLLS20