<https://pt.coursera.org/lecture/social-economic-networks/1-8-degree-distributions-xRxKm#lecture>
<http://schema.org/description>
"Watch this video about 1.8: Degree Distributions  for Week 1: Introduction, Empirical Background and Definitions   in Redes Sociais e Econômicas: Modelos e Análises. Examples of Social Networks and their Impact, Definitions, Measures and Properties: Degrees, Diameters, Small Worlds, Weak and Strong Ties, Degree Distributions"
<https://pt.coursera.org/lecture/social-economic-networks/1-8-degree-distributions-xRxKm>