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Recently, large-scale computer system is important for social human life. Such large-scale system is basically ordered through a competitive bidding. A development company that won the bidding starts developing. After that, customers use the computer system on their business operations. However, customers do not use some functions. Functions proposed in a system proposal in a bid phase are not same functions that customers frequently use in an operation phase. Functions change in various phases. Therefore, we propose process metrics for system quality. The feature of the metrics is target duration from a bid phase to an operation phase. Specification shifts of functions are clear in a simple rule. The metrics quantitatively measure specification shifts. We check active or non-active of each function on each phase. The total number of change of active or non-active of all functions is an important element of the metrics. Moreover, timing of the change of active or non-active of functions is also a significant factor of the metrics. As a result of applying a real project, we found that usage of the uncompleted package software makes development process complicated. Keywords-competitive bidding; usage frequency; active or nonactive function; unreasona-ble price and time; system proposal.

Process metrics for system quality with specifications' shifts from a bid phase to an operation phase (S)