[IEEE 2013 IEEE International Conference on High Performance Computing and Communications (HPCC) & 2013 IEEE International Conference on Embedded and Ubiquitous Computing (EUC) - Zhangjiajie, China (2013.11.13-2013.11.15)] 2013 IEEE 10th International Conference on High Performance Computing and Communications & 2013 IEEE International Conference on Embedded and Ubiquitous Computing - An Improved Privacy Preserving Algorithm for Publishing Social Network Data