KONECT – The Koblenz Network Collection
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KONECTThe Koblenz Network Collection
Jérôme KunegisInstitute for Web Science and Technologies (WeST), University of Koblenz–Landau
With acknowledgments to everyone who has made network datasets available to the public
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Jérôme Kunegis KONECT – The Koblenz Network Collection 2
What Is Koblenz?
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Jérôme Kunegis KONECT – The Koblenz Network Collection 3
My PhD Thesis
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Jérôme Kunegis KONECT – The Koblenz Network Collection 4
The Trick Is…
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Jérôme Kunegis KONECT – The Koblenz Network Collection 5
Everything Is a NETWORK !
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Jérôme Kunegis KONECT – The Koblenz Network Collection 6
Well, Only Almost Everything Is a Network
Communication
Authorship
Friendship
Interaction
Trust
Co-occurrence
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Jérôme Kunegis KONECT – The Koblenz Network Collection 7
A Network Dataset Is Like a Gummi Bear
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Jérôme Kunegis KONECT – The Koblenz Network Collection 8
A Network Dataset Is Like a Gummi Bear
Lots of contentto analyse
Evaluate prediction algorithms
Test network models
Test search and recommender
systems
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Jérôme Kunegis KONECT – The Koblenz Network Collection 9
When You Have Tested One, You Have Tested All ?!
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Jérôme Kunegis KONECT – The Koblenz Network Collection 10
Or Do You?
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Jérôme Kunegis KONECT – The Koblenz Network Collection 11
Diversity of Network Datasets
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Jérôme Kunegis KONECT – The Koblenz Network Collection 12
Overview
Total: 168 datasets
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Jérôme Kunegis KONECT – The Koblenz Network Collection 13
Network Formats
U • Undirected D • Directed B • Bipartite
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Edge Weight and Multiplicity Types
= • Multiple + • Positive
w > 0
± • Signed
– • Unweighted
w ± 1
* • Rating
★★★★★
** • Multiple Ratings
★★★★★
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Timestamps
t = 1 t = 2 t = 3
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Example Dataset
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Jérôme Kunegis KONECT – The Koblenz Network Collection 17
Network Comparison
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Network Comparison: Plots
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More Plots
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Jérôme Kunegis KONECT – The Koblenz Network Collection 20
Download
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Jérôme Kunegis KONECT – The Koblenz Network Collection 21
RDF
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Jérôme Kunegis KONECT – The Koblenz Network Collection 22
Matlab Toolbox
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Jérôme Kunegis KONECT – The Koblenz Network Collection 23
Handbook of Network Analysis
http://konect.uni-koblenz.de/publications