提供有关行业经验教训项目现状的信息。提出了一个成熟度矩阵，允许组织评估他们在开发这样一个项目的过程中所处的位置。此外，还为业主和承包商在制定经验教训计划时重点关注的特定方面制定了一条前进道路。

Provides information on the current state of lessons learned programs in the industry. Presents a maturity matrix that allows organizations to make an assessment of where they are in the development of such a program. Also lays out a path forward for owners and contractors on particular aspects to focus on in developing lessons learned programs.