1. Howe J (2006) The rise of crowdsourcing. Wired Mag 14(6):1–4
2. Kamar E, Hacker S, Horvitz E (2012) Combining human and machine intelligence in large-scale crowdsourcing. In: Proceedings of the 11th International Conference on Autonomous Agents and Multiagent Systems, AAMAS’2012. International Foundation for Autonomous Agents and Multiagent Systems, pp. 467–474
3. Lampinen A, Lutz C, Newlands G, Light A, Immorlica N (2018) Power struggles in the digital economy: platforms, workers, and markets. In: Companion of the 2018 ACM Conference on Computer Supported Cooperative Work and Social Computing, CSCW’18. Association for Computing Machinery, New York, NY, USA, pp. 417–423 https://doi.org/10.1145/3272973.3273004
4. Quinn AJ, Bederson BB (2011) Human computation: a survey and taxonomy of a growing field. In: Proceedings of the International Conference on Human Factors in Computing Systems, CHI’2011, pp. 1403–1412
5. Han T, Sun H, Song Y, Fang Y, Liu X (2016) Incorporating external knowledge into crowd intelligence for more specific knowledge acquisition. In: Proceedings of the Twenty-Fifth International Joint Conference on Artificial Intelligence, IJCAI’2016, AAAI Press, pp. 1541–1547