它测量了推荐系统产生推荐项目的占比。
It measures the percentage of items for which the recommender system can produce recommendations.
目录覆盖率测量的是推荐系统做出的推荐项目占全部可用项目个数的比值。
Catalog coverage measures the percentage of items for which the recommender system has ever made recommendations from the total available number of items.
我们仍然推荐项目团队使用传统的商业价值和业务roi分析方法，而不是SOA ROI。
We continue to recommend that projects and teams do business case justification or business ROI as usual rather than focus on SOA ROI.
应用推荐