M3S (Empirical Software Engineering in Software, Systems and Services, http://www.oulu.fi/m3s/) and UBICOMP (The Center for Ubiquitous Computing, https://ubicomp.oulu.fi/) research units at the Faculty of Information Technology and Electrical Engineering (http://www.oulu.fi/itee/) at the University of Oulu, Finland, are seeking two Doctoral Students to work in content modeling and crowdsourcing starting preferably in Jan 2021 (negotiable).