George Markowsky, Crowdsourcing, Big Data and Homeland Security, Proc. 2013 IEEE International Conference on Technologies for Homeland Security(HST2013), Waltham, Massachusetts, USA, pp. 772-778, November 12-14, 2013. Abstract: This paper discusses ways that crowdsourcing can help homeland security. It reviews some successes in this area, suggests some directions and points out some obstacles. read more Crowdsourcing, Big Data and Homeland Security