MovieLens 25M User-Movie Ratings

Bipartite user-movie rating network from the GroupLens research group. 25,000,095 ratings from 162,541 users on 59,047 movies. Edge weights are ratings normalised to [0, 1].

npx keepset fetch movielens-25m

Nodes: 221,588
Edges: 25,000,095
Size: 249.8 MiB

This entry has no fetchable recipe yet: no download is in a form keepset reads yet (movielens: the ratings file has more edges than one fetch can hold: the crosswalk step aborts on it with an allocation failure (ExaDev/crossmap#57), where ml-10m completes)

Overview

Id	`movielens-25m`
Category	`graph/v1`
Kind	graph
Domain	Movie recommendation network
Licence	MovieLens usage license (research use, no redistribution, no commercial use without permission)
Catalogue	`keepset` 1.33.0

Sources and provenance

#	URL	Status	Retrieved	Read by recipe	Pinned snapshot	SHA-256
0	https://files.grouplens.org/datasets/movielens/ml-25m.zip	live	2026-03-27		20250614044605raw	`8b21cfb7eb17`

Citations

Harper, F. Maxwell, Konstan, Joseph A. (2016). The MovieLens Datasets: History and Context. ACM Transactions on Interactive Intelligent Systems.

Recipe

Status	not fetchable: no download is in a form keepset reads yet (movielens: the ratings file has more edges than one fetch can hold: the crosswalk step aborts on it with an allocation failure (ExaDev/crossmap#57), where ml-10m completes)

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	25,000,095
Nodes	221,588

Properties

Components	1
Connected	yes
Cyclic	yes
Density	0.001018
Directed	no
Download bytes	249.8 MiB
Edge types	1
Heterogeneous	yes
Multigraph	no
Node types	2
Raw bytes	0 B
Self loops	no
Weighted	yes