Standard for Demand Driven Acquisition: the Development of NISO DDA 需求驱动采购的标准: 美国NISO DDA的发展和作用

Article in Chinese. [Purpose/significance] This paper discusses standards development for library demand driven acquisitions and introduces the Demand Driven Acquisition of Monographs (NISO DDA), a recommended practice published by the National Information Standards Organization (NISO) in United States.Libraries in China may draw on U.S. experience during their own DDA application and standards development.[Method/process] Through a literature review, this paper discusses the NISO DDA development background, process, key aspects, impact, and the challenges.[Result/conclusion]NISO DDA laid the foundation for the standardization and sustainable development of DDA. It provides guidelines for the standardized adoption and promotion of DDA on the basis of win-win cooperation by various stakeholders such as libraries, publishers, vendors, and aggregators. It has a positive impact on protecting the interests of all stakeholders in the book supply chain. The sustainable development of DDA continues to face challenges; various stakeholders are still actively exploring the ways in which DDA can be further developed.