Original reference implementation: https://github.com/aditya-grover/node2vec
@inproceedings{node2vec-kdd2016,
author = {Grover, Aditya and Leskovec, Jure},
title = {node2vec: Scalable Feature Learning for Networks},
booktitle = {Proceedings of the 22nd ACM SIGKDD International Conference on Knowledge Discovery and Data Mining},
year = {2016}
}