Crowdsourced geo-referenced image data (2014)

Crowdsourced georeference data for over three thousand maps, annotated online by participants in the BL Georeferencer project. http://britishlibrary.typepad.co.uk/magnificentmaps/2014/08/success.html <em>"In just 28 days from release, 3,220 maps have been geo-located online by participants in the BL Georeferencer project. For this quantity of maps to be completed at such a speed is truly impressive, and testifies to much scrutiny of maps and online research by many people."</em> NB The image identifier refers to its Flickr identifier. "11000447924" refers to the image located at https://flickr.com/photos/biritishlibrary/11000447924

本数据集为众包地理参考（georeference）数据集，涵盖超三千幅地图，由大英图书馆（British Library）地理标注项目（BL Georeferencer project）的参与者在线完成标注。相关项目进展介绍可参阅：http://britishlibrary.typepad.co.uk/magnificentmaps/2014/08/success.html

"项目上线仅28天，便已有3220幅地图由该项目参与者完成在线地理定位。如此体量的地图能以这般速度完成标注，着实令人赞叹，也印证了众多参与者对地图的细致审视与线上研究工作。"

注：此处的图像标识符即其Flickr平台标识符。例如标识符"11000447924"对应的图像链接为https://flickr.com/photos/britishlibrary/11000447924