PDA在国外图书馆数字资源建设中的应用研究——兼论德国三家图书馆的PDA项目

The Applications of Patron-Driven Acquisition in Digital Resource Construction of Foreign Libraries——Taking the PDA Program of Three German Libraries as Examples

PDA（读者决策采购）是近年来出现的一种新型数字资源采购模式。本文首先介绍了PDA的概念、优点及其在国外图书馆中的应用概况，然后通过对德国三家图书馆的PDA项目进行分析，归纳和总结图书馆成功应用PDA模式的关键要素，以期对今后国内图书馆应用PDA有所帮助。

Patron-Driven Acquisition （PDA） is a new acquisition pat ern for digital resource which appeared in recent years. In this paper, the author explains the concept and advantages of PDA, then introduces applications of PDA in digital resource construction of foreign libraries. By analysing the PDA Program of three German libraries, the author summarizes the key factors for successful application of the PDA model. It is believed that this wil be valuable for the application of PDA model in Chinese libraries in the future.