本文针对差分隐私轨迹保护,提出差分隐私在轨迹保护方向发展的观点。在网络信息安全差分隐私行业起到有助于对差分隐私算法的学习和掌握,进而提出更加安全、高效的轨迹隐私保护算法的作用。如付诸现实将产生在轨迹位置保护以及差分隐私...本文针对差分隐私轨迹保护,提出差分隐私在轨迹保护方向发展的观点。在网络信息安全差分隐私行业起到有助于对差分隐私算法的学习和掌握,进而提出更加安全、高效的轨迹隐私保护算法的作用。如付诸现实将产生在轨迹位置保护以及差分隐私方向研究经济效益。点评人:田源,2012年博士毕业于韩国庆熙大学(KyungHee University),2013~2019年在沙特国王大学(King Saud University)计算机科学与技术学院担任Assistant Professor,获得指导博士研究生的资格。长期从事信息安全与隐私保护等相关领域的教学及科研工作。主要研究方向为物联网、边缘计算、大数据及电力系统中安全与隐私的问题。具有超过十年的海外学习及工作经验,主持或参与过10余项中国、韩国及沙特的国家及工业领域的项目。展开更多
The drying of liquid droplets is a common phenomenon in daily life,and has long attracted special interest in scientific research.We propose a simple model to quantify the shape evolution of drying droplets.The model ...The drying of liquid droplets is a common phenomenon in daily life,and has long attracted special interest in scientific research.We propose a simple model to quantify the shape evolution of drying droplets.The model takes into account the friction constant between the contact line(CL)and the substrate,the capillary forces,and the evaporation rate.Two typical evaporation processes observed in experiments,i.e.,the constant contact radius(CCR)and the constant contact angle(CCA),are demonstrated by the model.Moreover,the simple model shows complicated evaporation dynamics,for example,the CL first spreads and then recedes during evaporation.Analytical models of no evaporation,CCR,and CCA cases are given,respectively.The scaling law of the CL or the contact angle as a function of time obtained by analytical model is consistent with the full numerical model,and they are all subjected to experimental tests.The general model facilitates a quantitative understanding of the physical mechanism underlying the drying of liquid droplets.展开更多
文摘本文针对差分隐私轨迹保护,提出差分隐私在轨迹保护方向发展的观点。在网络信息安全差分隐私行业起到有助于对差分隐私算法的学习和掌握,进而提出更加安全、高效的轨迹隐私保护算法的作用。如付诸现实将产生在轨迹位置保护以及差分隐私方向研究经济效益。点评人:田源,2012年博士毕业于韩国庆熙大学(KyungHee University),2013~2019年在沙特国王大学(King Saud University)计算机科学与技术学院担任Assistant Professor,获得指导博士研究生的资格。长期从事信息安全与隐私保护等相关领域的教学及科研工作。主要研究方向为物联网、边缘计算、大数据及电力系统中安全与隐私的问题。具有超过十年的海外学习及工作经验,主持或参与过10余项中国、韩国及沙特的国家及工业领域的项目。
基金Project supported by the National Natural Science Foundation of China(Grant No.21822302)the joint NSFC-ISF Research Program,China(Grant No.21961142020)+1 种基金the Fundamental Research Funds for the Central Universities,Chinathe National College Students'Innovative and Entrepreneurial Training Plan Program,China(Grant No.201910006142).
文摘The drying of liquid droplets is a common phenomenon in daily life,and has long attracted special interest in scientific research.We propose a simple model to quantify the shape evolution of drying droplets.The model takes into account the friction constant between the contact line(CL)and the substrate,the capillary forces,and the evaporation rate.Two typical evaporation processes observed in experiments,i.e.,the constant contact radius(CCR)and the constant contact angle(CCA),are demonstrated by the model.Moreover,the simple model shows complicated evaporation dynamics,for example,the CL first spreads and then recedes during evaporation.Analytical models of no evaporation,CCR,and CCA cases are given,respectively.The scaling law of the CL or the contact angle as a function of time obtained by analytical model is consistent with the full numerical model,and they are all subjected to experimental tests.The general model facilitates a quantitative understanding of the physical mechanism underlying the drying of liquid droplets.
