Machine Learning, Crowdsourcing, Innovation, Innovation Management.
(2015). Kappa coefficient: a popular measure of rater agreement. Shanghai Archives of Psychiatry, 27(1), 62–7. https://doi.org/10.11919/j.issn.1002-0829.215010 Zuchowski, O., Posegga, O., Schlagwein, D., & Fischbach, K. (2016). Internal crowdsourcing: Conceptual framework, structured review, and