TY JOUR TI FUZZY MANAGEMENT OF INFORMATION AND SECURITY EVENTS: FEATURES OF CONSTRUCTING MEMBERSHIP FUNCTIONS KW security information and event management KW fuzzy management KW decision making KW membership function KW method KW fuzzy set KW probability JO Vestnik of Astrakhan State Technical University. Series: Management, computer science and informatics AU Kotenko, I.. AU Parashchuk, I.. PY 2021 IS 2021 PB Astrakhan State Technical University