Kexin Xing, Qi Xu, Yegui LinJournal of Networks, Vol 8, No 4 (2013), 895-902, Apr 2013 doi:10.4304/jnw.8.4.895-902 Share this:Share Click to share on Facebook (Opens in new window) Facebook Click to share on LinkedIn (Opens in new window) LinkedIn Click to email a link to a friend (Opens in new window) Email