Extra graphs

The following pdf files correspond to sets of plots omitted in the manuscripts for the sake of space:

Embedding Dimension: Relative error plot corresponding to the measure of the embedding dimension applied to each Tier-1 AS, together with their downstream network.
PCA: Scree plots of Principal Component Analysis applied to each Tier-1 AS, together with their downstream network.
Distance-based clustering: dimensionality measures applied to a set of nodes clustered by proximity in terms of latency.
MIT King: dimensionality measures applied to the MIT King dataset.
Planet Lab: correlation dimensionality applied to PlanetLab data.