TY - CPAPER AU - Janusz Morajda TI - APPLICATION OF NEURAL NETWORKS IN REGRESSION PROBLEMS WITH QUALITATIVE DATA ON AN EXAMPLE OF GEMSTONES VALUATION T2 - 5th International Multidisciplinary Scientific Conference on Social Sciences and Arts SGEM 2018 PY - 2018 SP - 77 EP - 84 DO - 10.5593/sgemsocial2018/1.5/S05.010 PB - STEF92 Technology ER -