Our paper titled “Characterizing Memory Write References for Efficient Management of Hybrid PCM and DRAM Memory” by Soyoon Lee et al. was presented at the 19th IEEE International Symposium on Modeling , Analysis and Simulation of Computer and Telecommunication Systems (MASCOTS 2011) to be held in Singapore, July 25-27 (http://pdcc.ntu.edu.sg/mascots2011/)