If you use this algorithm, please cite the original publication:
Breve, Fabricio Aparecido; Zhao, Liang; Quiles, Marcos Gonçalves; Pedrycz, Witold; Liu, Jiming, "Particle Competition and Cooperation in Networks for Semi-Supervised Learning," Knowledge and Data Engineering, IEEE Transactions on, vol.24, no.9, pp.1686,1698, Sept. 2012
https://doi.org/10.1109/TKDE.2011.119
Accepted Manuscript: https://www.fabriciobreve.com/artigos/ieee-tkde-2009.pdf