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The majority of existing measures of IS success are related either to the product itself or to its underpinning processes. The former measures are concerned mainly with technical success, user satisfaction, use, and financial impact. While, the latter measures are developed with the aim of improving the IS development processes which have generally been recognized as a main contributing factor to the success of IS projects. In addition to these two types of measures, IS literature outlines other approaches which focus on assessing organizational maturity in terms of IS planning, IT infrastructure and utilization, and the management of IS functions.

Summary and Conclusions
There have been significant investments in IS/IT over the past decade. The strategic importance that IT now plays, coupled with the burgeoning costs of developing systems, has raised the stakes associated with project failure. Previously, unsuccessful projects have normally been attributed to poor project management practices. However recent studies in this field have shown that other organization-based factors can be as crucial as project management in the successful implementation of ARE projects. Over the past decade, the process of planning and implementing IS/IT projects has undergone significant changes, which has given rise to different challenges with respect to the successful implement of IS projects, related www.51lunwen.org/computer/ mainly to organizational factors such as people, processes and the work environment.