@conference{SajAlaLux15b,
  title = {Peer grading in a course on algorithms and data structures},
  booktitle = {Workshop on Crowdsourcing and Machine Learning (CrowdML) Workshop on Machine Learning for Education (ML4Ed) at at the 32th International Conference on Machine Learning (ICML)},
  year = {2015},
  author = {Sajjadi, M. S. M. and Alamgir, M. and von Luxburg, U.}
}