TY - JOUR AU - Morishima, Atsuyuki PY - 2014/10/14 Y2 - 2024/03/29 TI - Volunteer-Based Crowdsourcing with Crowd4U JF - Proceedings of the AAAI Conference on Human Computation and Crowdsourcing JA - HCOMP VL - 2 IS - 1 SE - Workshop Citizen + X DO - 10.1609/hcomp.v2i1.13203 UR - https://ojs.aaai.org/index.php/HCOMP/article/view/13203 SP - 28 AB - <p> We are operating a crowdsourcing platform named Crowd4U with the help of researchers from more than 24 universities and conducting several projects for academic and public purposes. In this paper, we first explain Crowd4U and some of the projects running on it. Then, we discuss challenges and lessons learned from our experience of crowdsourcing projects with volunteer workers. </p> ER -