A paper on crowdsourcing for open data has been accepted for 2015 IEEE International Conference on Data Science and Advanced Analytics (DSAA):
Satoshi Oyama, Yukino Baba, Ikki Ohmukai, Hiroaki Dokoshi, Hisashi Kashima.
From One Star to Three Stars: Upgrading Legacy Open Data Using Crowdsourcing.
In Proceedings of the 2015 IEEE International Conference on Data Science and Advanced Analytics (DSAA), Paris, France, 2015.