Unsupervised classification of NPPs transients based on online dynamic quantum clustering Khalil Moshkbar-Bakhshayesh and Esmaiel Pourjafarabadi Eur. Phys. J. Plus, 134 10 (2019) 483 Published online: 02 October 2019 DOI: 10.1140/epjp/i2019-12915-4