This bundle contains the images and material reported in the following publications:

Rogstadius, J., Kostakos, V., Kittur, A., Smus, B., Laredo, J., & Vukovic, M. (2011). An Assessment of Intrinsic and Extrinsic Motivation on Task Performance in Crowdsourcing Markets. Proc. AAAI Conference on Weblogs and Social Media, Barcelona, Spain, 321-328. 

Goncalves, J., Ferreira, D., Hosio, S., Liu, Y., Rogstadius, J., Kukka, H., & Kostakos, V. (2013). Crowdsourcing on the spot: altruistic use of public displays, feasibility, performance, and behaviours. Proc. Ubicomp, New York, NY, USA, 753-762. 


Each image has the following properties:
-index: unique ID of the photograph
-cells: total number of blood cells shown in the image
-parasites: the number of blood cells infected with malaria
-ratio: we can calculate the ratio of parasites to blood cells