email_eu — Email network (EU research inst.)

Description

An email network (anonymized) from a large European research institution, collected from October 2003 to May 2005 (18 months). Each node corresponds to an email address, and a directed edge exists between nodes i and j, if i sent at least one message to j.¹

Description obtained from the ICON project. ↩

Tags

Social Communication Unweighted

Citation

Leskovec, J. Kleinberg and C. Faloutsos. "Graph Evolution: Densification and Shrinking Diameters." ACM Transactions on Knowledge Discovery from Data 1(1), article 2 (2007). 10.1145/1217299.1217301 Sci-Hub

Upstream URL [Errno 113] No route to host

http://snap.stanford.edu/data/email-EuAll.html

Networks

Tip: hover over a column header for a description.

Column legend

$\left<k\right>$: Mean degree
$\sigma_k$: Standard deviation of the degrees
$\lambda_h$: Largest eigenvalue of the Hashimoto (non-backtracking) matrix
$\tau$: Random walk mixing time
$r$: Degree assortativity
$c$: Global clustering coefficient
$\oslash$: (Pseudo-) diameter
$S$: Relative size of the largest component
NPs: Node properties
EPs: Edge properties

Name	Nodes	Edges	$\left<k\right>$	$\sigma_k$	$\lambda_h$	$\tau$	$r$	$c$	$\oslash$	$S$	Kind	Mode	NPs	EPs	gt	GraphML	GML	csv
email_eu	265,214	420,045	1.58	42.55	98.51	10009.71	-0.20	0.01	14	0.85	Directed	Unipartite			4.6 MiB	7.2 MiB	7.2 MiB	6.2 MiB

Ridiculograms^*

^* These are automatically generated force-directed visualizations, and can be quite meaningless for networks both big and small. They should not be taken seriously as sources of scientific insight. See here for a discussion.