18. The system of claim 16 , wherein the instructions to issue the notification comprise instructions to display a decorated list that includes a display of the detected difference.
16. A system comprising: a processing unit in communication with a non-transitory computer readable medium, wherein the computer readable medium contains a set of instructions wherein the processing unit is designed to carry out the set of instructions to: identify one or more schema objects of each of a first XML schema and a second XML schema; compare one of the identified schema objects of the first XML schema with one of the identified schema objects of the second XML schema; if a difference is detected between the compared schema objects, evaluate a risk of the detected difference affecting operation of a composite application incorporating the first schema or the second schema; and issuing a notification of the evaluated risk of the detected difference; wherein evaluating the risk comprises evaluating the risk in accordance with a predetermined rule.