Electronic invoice processing system with boolean feature

摘要

A rules engine application for an electronic invoice processing system prompts a user to create a billing rule to aid in electronic invoice analysis includes the steps of: prompting the user to define a first portion of the rule having a first violation condition; prompting the user to define a second portion of the rule having a second violation condition; and prompting the user to select a first Boolean operator having a first logic operation to logically join the first portion and the second portion of the rule. A machine readable medium and related electronic invoice processing systems having such a machine readable medium that stores instructions for performing such functions are also provided.