CoST 基础设施数据标准开放式承包（OC4IDS）

The Open Contracting Data Standard (OCDS) is used to describe millions of procurement processes around the world relating to goods, services and public works. The CoST Infrastructure Data Standard (CoST IDS) has been used to guide what data and information should be disclosed at each stage of the project cycle on over 25,000 infrastructure projects.