Clark/tomographic1

Name: Clark/tomographic1
License: https://spdx.org/licenses/CC-BY-4.0.html

computer graphics/vision problem (73,159 nodes, 647,495 non-zeros)

npx keepset fetch ss-clark-tomographic1

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

Overview

Id	`ss-clark-tomographic1`
Namespace	`suitesparse/clark`
Aliases	`tomographic1`
Category	`graph/v1`
Kind	graph
Domain	Computer Graphics/Vision Problem
Licence	CC-BY-4.0
Catalogue	`keepset` 1.33.0

#	URL	Status	Retrieved	Read by recipe
0	https://www.cise.ufl.edu/research/sparse/MM/Clark/tomographic1.tar.gz	live	2026-10-21	yes
1	https://sparse.tamu.edu/MM/Clark/tomographic1.tar.gz	live	2026-02-16
2	https://sparse.tamu.edu/RB/Clark/tomographic1.tar.gz	live	2026-02-16
3	https://sparse.tamu.edu/mat/Clark/tomographic1.tar.gz	live	2026-02-16

T. A. Davis, Y. Hu (2011). The University of Florida Sparse Matrix Collection. ACM Transactions on Mathematical Software 38, 1:1-1:25.

Source	#0
Archive	tar.gz
Member	`tomographic1/tomographic1.mtx`
Parser format	`"matrix-market"`
Parser encoding	`"utf-8"`

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

Edges	647,495
Nodes	132,657