@article {xu2013cgf,
author = {Xu, Panpan and Du, Fan and Cao, Nan and Shi, Conglei and Zhou, Hong and Qu, Huamin},
title = {Visual Analysis of Set Relations in a Graph},
journal = {Computer Graphics Forum},
volume = {32},
number = {3pt1},
publisher = {Blackwell Publishing Ltd},
issn = {1467-8659},
url = {http://dx.doi.org/10.1111/cgf.12093},
doi = {10.1111/cgf.12093},
pages = {61--70},
keywords = {H.5.2 [Information Interfaces and Presentations]: User Interfaces—Graphical user interfaces (GUI)},
year = {2013}

P. Xu, F. Du, N. Cao, C. Shi, H. Zhou, and H. Qu, “Visual Analysis of Set Relations in a Graph,” Computer Graphics Forum, vol. 32, no. 3pt1, pp. 61–70, 2013.