project matrix项目矩阵；指这样一种结构：项目或产品经理负有主要责任，职能经理仅仅 quality circles质量圈：6到1 2个自愿组成的员工团队聚集到一起分析...
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为了有效地解决协同过滤算法中新项目难以推荐的问题，文中提出了一种对项目矩阵进行划分的方法。
To efficiently resolve the problem that the new item is difficult to recommend in collaborative filtering algorithm. In this paper we propose a new method based item matrix partition.
实验结果表明：基于项目矩阵划分的协同过滤算法有效地解决新项目推荐困难的问题，显示出了比传统推荐算法更好的推荐质量和扩展性。
Compared traditional collaborative filtering method, the experimental results show that our approach can find a solution to the problem of new item recommendation effectively.
一个项目或者计划是否提供了期望的商业结果，如组合矩阵中表明的那样？
Is a project or program providing the anticipated business results, as demonstrated by portfolio metrics?
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