Kostas Maris Kostas S. Metaxiotis G. Pantou Konstantinos Nikolopoulos Eleni Tavanidou Vassilis Assimakopoulos D-TIFIS: a decision support system for options trading. 45-65 2004 12 Inf. Manag. Comput. Security 1 http://dx.doi.org/10.1108/09685220410518829 db/journals/imcs/imcs12.html#MarisMPNTA04