1. Sampling is often used to estimate the characteristics of larger social networks, such as average degree. What are some of the issues that will affect the accuracy of these estimates in large...

1. Sampling is often used to estimate the characteristics of larger social networks, such as average degree. What are some of the issues that will affect the accuracy of these estimates in large networks?

2. Besides using K-cores, what are two other methods for reducing the size of larger networks? Explain your answers