1. A method for identifying conflicting and duplicate rules in a decision support system, said method comprising: establishing a first subsystem comprising a protocol of existing rules, each existing rule comprises an input feature; creating a new rule comprising an input feature and a health care treatment instruction; and comparing terminology in the input feature of the new rule against terminology in the input feature of each existing rule of the protocol using a second subsystem and determining whether the new rule and at least one existing rule from the protocol are similar.