1 Project meeting 7. OP NRG4Cast, Brussels, Belgium, 16 – 17 April 2015
2 Summer School on Computational Topology – ACAT 2015, Ljubljana, 22 – 25 June 2015
3 18th International multiconference INFORMATION SOCIETY – IS 2015, Conference on Data Mining and Data Warehouses – SIKDD 2015, 5 October 2011