Methods, including service methods, articles of manufacture, systems, articles and programmable devices are provided for performing variation oriented analysis across aspects of service oriented architecture modeling. A commonality or variance of a first process to a second process of an initial model plurality of processes is captured, each having an initial model process format, and also of a third process relative to a fourth process of another model plurality of processes having a different format, wherein the commonalities and variances are stored in a common repository memory device in a repository format different from the model process formats. Processes of a model plurality are then refined as a function of the stored commonalities and variances, wherein refining comprises considering any of the stored commonalities and variances.