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wiki_link_dyn — Wikipedia link dynamics (2001-2026)

Description

The evolving network of hyperlinks between the articles of the Simple English Wikipedia, reconstructed from its complete edit history in the Wikimedia "pages-meta-history" dump of 1 October 2026, which contains the full text of every revision of every page existing at the time of the dump. Nodes are the articles (pages in the main namespace, including redirect pages), and each directed edge $(i,j)$ is an event at which a link from article $i$ to article $j$ was added to (sign $+1$) or removed from (sign $-1$) the wikitext of article $i$, timestamped with the time of the revision. The network is therefore a multigraph, in which the links present in article $i$ at time $t$ are the pairs whose signs up to $t$ sum to one.

The links of each revision were extracted from its wikitext as the targets of [[...]] links (after removing section anchors and leading colons, and capitalizing the first letter, as MediaWiki does), and compared with those of the previous revision of the same page: multiple links to the same target count once, and revisions whose text has been hidden are skipped. Only links to pages that exist in the main namespace at the time of the dump are kept, so links to deleted or never created pages ("red links"), to other namespaces (categories, files, etc.) and to other wikis are omitted; links generated by templates are not included, and links to redirects are not resolved to their targets. Deleted pages and deleted revisions are absent from the dump. Articles without any link event are included as isolated nodes.

The static network of the links of the current versions of the pages, from the database tables of the same dumps (and thus including the links generated by templates), is the network simple of the entry wikipedia_link.

This network replaces an earlier version of the same kind, extracted from the history until September 2011 by J. Preusse et al. (2013), with 100,312 nodes and 1,627,472 edges and no node names.

The network has the following properties:

  • (Node) name: the article title.
  • (Node) is_redirect: whether the article is a redirect at the time of the dump.
  • (Edge) time: the time of the revision (Unix time, in seconds).
  • (Edge) sign: $+1$ if the link was added, $-1$ if it was removed.
Tags
Informational Web graph Multigraph Signed Timestamps Temporal Metadata
Added
2020-08-11
Citation
  • "Wikimedia Foundation. Wikimedia downloads." dumps.wikimedia.org
  • J. Preusse, J. Kunegis, M. Thimm, S. Staab, T. Gottron, "Structural Dynamics of Knowledge Networks." Proceedings of the International AAAI Conference on Web and Social Media 7(1), 506-515 (2013) 10.1609/icwsm.v7i1.14402 Sci-Hub
Upstream URL OK
https://dumps.wikimedia.org/
Upstream license
Creative Commons Attribution-ShareAlike 4.0 (CC BY-SA 4.0) and GFDL, https://dumps.wikimedia.org/legal.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
wiki_link_dyn 100,312 1,627,472 16.22 198.04 205.65 39.02 -0.02 0.06 12 0.99 Directed Unipartite weight time 4.5 MiB 10.0 MiB 9.7 MiB 8.4 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.