Abstract
A project is defined as "a temporary endeavor undertaken to create a unique product, service, or result" and is characterized by "temporary nature", "uniqueness", and "progressive elaboration". Especially, "uniqueness" makes project more difficult and is the largest factor to increase the risk. However, project managers have come to be able to promote the project more effectively and safely by using the best practices obtained from huge amount of assets learned in past projects and the knowledge accumulated by an in-house organization for supporting projects, for example, standard WBS, the number of test items and defectives to be extracted at test phase, reasonable productivity index to be performed by project members, and document templates which describe what should be agreed on with the customer before starting project. This paper describes the effects of mitigating risks due to the uniqueness by using various knowledge accumulated and maintained for recognizing quick overview of the whole project and mutual visualization of the project situation by the on-site stakeholders in a case of IT project.
