TY JOUR TI Mathematical methods and algorithms for data mining in IT estimation of project investment attractiveness KW IT start-up KW case-based reasoning KW precedents KW peer company KW comparative method KW fuzzy clustering KW Gustafson - Kessel algorithm KW FCM JO Vestnik of Astrakhan State Technical University. Series: Management, computer science and informatics AU Chertina, E.. AU Kvyatkovskaya, A.. AU Aminul, L.. AU Kvyatkovskiy, K.. PY 2020 IS 2020 PB Astrakhan State Technical University