Patent US 4,964,060

A plan checking data processing system (10) has an input (12) for providing a development plan to be checked to the system in a form intelligible to the system (10). Memory (18) contains standards (22) against which the development plan is to be checked, also in a form intelligible to the system (10). A program (20) is used by processor (26) for evaluating the development plan according to the standards (22). An output (30) receives results of the evaluation.