1. A method for inferring a context-sensitive business rule from a legacy business system, the method comprising: a processor of a computer system inferring a business rule from an element of business information retrieved from a legacy business system; the processor repeating an iterative procedure until a termination condition occurs, where the iterative procedure comprises a sequence of steps: the processor identifying a context of the most recently retrieved element of business information, where the context is associated with a context-sensitive characteristic of the most recently retrieved element; the processor retrieving, from a next information source, a next element of information that is associated with the context; and the processor refining the business rule as a function of the next element of information.