TY JOUR TI CROWDSOURCING TECHNOLOGY APPLICATION TO REDUCE THE RISK OF EMERGENCIES KW emergency KW crowdsourcing KW geolocation of events KW coordination of volunteers KW prevention of emergency situations JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Naumenko, A.. PY 2016 IS 1 PB Belgorod State Technological University named after V.G. Shukhov