Welcome to IEEE Cluster 2013. The conference will be held 23-27 September 2013 at the Hilton Hotel in Indianapolis, IN. IEEE Cluster 2013 will be hosted by the Indiana University Pervasive Technology Institute. Cluster 2013 requests submission of tutorials, technical papers, posters, panels, and visualizations as part of the conference this year, to be held September 23-27, 2013, in Indianapolis, Indiana