提出了另一种加权有向图网络的推广概念。默认情况下,这个公式不适用于具有孤立顶点的图; 参见 Kaiser (2008)<ref>{{Cite journal | first= Marcus | last= Kaiser |title = Mean clustering coefficients: the role of isolated nodes and leafs on clustering measures for small-world networks | year = 2008 | journal = New Journal of Physics | volume = 10 | pages = 083042 | issue = 8 | doi = 10.1088/1367-2630/10/8/083042|bibcode = 2008NJPh...10h3042K |arxiv = 0802.2512 }}</ref>和 Barmpoutis 等<ref name=BarmpoutisMurray2010>{{Cite arXiv | first1= D. |last1= Barmpoutis |first2=R. M. |last2= Murray | title = Networks with the Smallest Average Distance and the Largest Average Clustering | eprint = 1007.4031 | year = 2010 | class = q-bio.MN}}</ref> . | 提出了另一种加权有向图网络的推广概念。默认情况下,这个公式不适用于具有孤立顶点的图; 参见 Kaiser (2008)<ref>{{Cite journal | first= Marcus | last= Kaiser |title = Mean clustering coefficients: the role of isolated nodes and leafs on clustering measures for small-world networks | year = 2008 | journal = New Journal of Physics | volume = 10 | pages = 083042 | issue = 8 | doi = 10.1088/1367-2630/10/8/083042|bibcode = 2008NJPh...10h3042K |arxiv = 0802.2512 }}</ref>和 Barmpoutis 等<ref name=BarmpoutisMurray2010>{{Cite arXiv | first1= D. |last1= Barmpoutis |first2=R. M. |last2= Murray | title = Networks with the Smallest Average Distance and the Largest Average Clustering | eprint = 1007.4031 | year = 2010 | class = q-bio.MN}}</ref> . |