J. Schlötterer, C. Seifert, and M. Granitzer. Machine Learning and Knowledge Extraction, page 237--251. Cham, Springer International Publishing, (2017)
W. Hamilton, R. Ying, and J. Leskovec. (2017)cite arxiv:1709.05584Comment: Published in the IEEE Data Engineering Bulletin, September 2017; version with minor corrections.