sentences:  In 2010 it was held in Portland, and in 2011 it was again held in Washington, D.C., though it was cancelled early due to a nearby earthquake.In GOSCON, academic and government IT managers from the local, state and national level discuss opportunities and challenges presented by the use of open-source software — some of which are specific to public sector situations (such as the government procurement process) and some of which are shared by many IT departments (such as questions about the ongoing support of Open Source Software projects).Speakers have included open-source software project leaders such as Brian Behlendorf, Larry Augustin and Ward Cunningham; government and university IT managers; academic researchers and corporate executives.