257
Ontologies
Published and versioned
Explore the materials knowledge network
The home of ontologies and semantic artifacts for materials science and related domains.
Discover, reuse, and connect knowledge. Powering data-driven materials innovation.
187
Datasets
Linked and discoverable
418,504
Mapping References
Per ontology links and references
121
Contributors
Researchers & experts
23
Projects
Across organizations
Spotlight
MatPortal 2.0 release
Discover improved datasets, streamlined ontology workflows, FAIR metadata, richer mappings, and new community portals.
What's new
News
Portal releases and materials ontology updates.
Major UI/UX Upgrades to the MatPortal AI Assistant
The MatPortal contextual AI Assistant has received significant updates, including interactive copy buttons ...
Opt-In for Beta Features: Ontology Editor & AI Assistant
Users can now request early access to experimental features directly from their Account page. A new Intelli...
Latest datasets
Recently published materials datasets.
Materials Data Facility portal
Materials Data Facility public portal/index for materials science datasets, including all...
0
Graphs
1
Files
0
RDF resources
Zenodo DTU Wind Energy community
Zenodo DTU Wind Energy community with public wind energy and wind-turbine material/compos...
0
Graphs
1
Files
0
RDF resources
Latest ontologies
Recently updated ontology releases.
Ontology release data is temporarily unavailable.
Browse the ontology catalogue for the complete list.
Recent activity
Latest portal updates.
Browse by domain / category
Materials science categories and ontology filters.
Slices — community portals
Curated portal views for materials communities.
FAIR assessment
Live portal-wide FAIR signals, when configured.
Live FAIR values load when JavaScript is available.
FAIR assessment is temporarily unavailable. Try again later.
FAIR score
assessed resources
Recommender & Annotator
Get ontology recommendations or annotate text with concepts.
The OntoPortal Alliance
A global alliance of life science portals for a connected semantic future.
Partners & Support
MatPortal is built with the support of partners and community projects.
