Requests made for restricted material on the institutional repository (Apollo) of the University of Cambridge May 2015 to July 2017

This dataset repesents the requests received through the Office of Scholarly Communication (University of Cambridge) http://osc.cam.ac.uk/ Request a Copy service. A proportion of the items disseminated in the Apollo repository at the University of Cambridge https://www.repository.cam.ac.uk/ have access restrictions, whether due to copyright, author choice (eg for theses) etc. The Request a Copy service allows interested parties to communicate directly with the author or creator of the item and request a copy. This dataset contains data on such requests made from 20 May 2015 to 31 July 2017.

本数据集收录了通过剑桥大学（University of Cambridge）学术传播办公室（Office of Scholarly Communication，官网：http://osc.cam.ac.uk）推出的“申请副本（Request a Copy）”服务所接收的各类申请请求。剑桥大学阿波罗学术库（Apollo repository，官网：https://www.repository.cam.ac.uk）中发布的部分馆藏资源存在访问限制，限制原因涵盖版权约束、作者自主选择（如学位论文）等情形。该“申请副本”服务可使有需求的各方直接与对应资源的作者或创作者取得联系，并申请获取资源副本。本数据集涵盖了2015年5月20日至2017年7月31日期间产生的上述所有申请相关数据。