Abstract: A computer-implemented system and methods for enabling a user or users to select and prioritize a set of criteria are disclosed. Various example embodiments can be configured to enable users to express the relative importance of their preferences with respect to a set of options and that is employed by a process to identify options and generate combinations of options, to filter and rank the set of options or combinations of options with respect to the set of criteria, and to present the options or combinations of options that best fit the expressed criteria to the users.