1. A system comprising computer readable media for representing the information requirements for decision making in a transactional business system, the system comprising: an information source node, wherein the information source node represents a piece of information that is used in the transactional business system; a decision node, wherein the decision node represents a decision that is made based upon the information provided by the information represented by the information source node and an objective associated with the transactional business system; and a connector, that links the information source node to the decision node, in which the information from the information source node will be used and which represents the category of the information provided from the information source node.