Opsahl Collaboration Network

Bipartite authorship network of the arXiv condensed matter section (cond-mat) from 1995 to 1999: an edge joins an author, a left node, and a paper they wrote, a right node. The network is unweighted and has no repeated pairs.

npx keepset fetch konect-opsahl-collaboration

Nodes: 38,741
Edges: 58,595
Size: 206.3 KiB

Fetch and preview this dataset on this page, or download the result as JSON. The command line fetches it without a browser.

Overview

Id	`konect-opsahl-collaboration`
Namespace	`konect`
Aliases	`opsahl-collaboration`
Category	`graph/v1`
Kind	graph
Domain	Collaboration network
Licence	not recorded by the source
Catalogue	`keepset` 1.33.0

Sources and provenance

#	URL	Status	Retrieved	Read by recipe	Pinned snapshot	SHA-256
0	http://konect.cc/files/download.tsv.opsahl-collaboration.tar.bz2	live	2026-03-27	yes	20261020230505raw	`c00952ac5fb8`

Citations

Opsahl, Tore (2013). Triadic closure in two-mode networks: Redefining the global and local clustering coefficients. Social Networks.

Recipe

Source	#0
Archive	tar.bz2
Member	matching `(?:[^/]+/)?out\.[^/]+`
Parser format	`"konect"`
Parser encoding	`"utf-8"`
Parser weighted	`false`
Parser timestamped	`false`

Crosswalk

keepset/topology to graph/v1, as a crossmap crosswalk.

Rule	From	To	Direction
move	`meta`	`meta`	both
move	`nodes[].id`	`nodes[].id`	both
move	`edges[].source`	`edges[].source`	both
move	`edges[].target`	`edges[].target`	both

Expected counts

Edges	58,595
Nodes	38,741

Properties

Components	1,188
Connected	no
Cyclic	yes
Density	0.00007808
Directed	no
Download bytes	206.3 KiB
Edge types	1
Heterogeneous	no
Multigraph	no
Node types	1
Raw bytes	0 B
Self loops	no
Weighted	no