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OPTIMADE

Materials Databases Ontology (OPTIMADE)

OWL

Last submission date June 13, 2026

MatPortal

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Page Assistant

Sign in to MatPortal and configure your own usable provider credentials or supported Codex or Gemini Antigravity account before sending an Assistant request.

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The "Page Context" card above displays the active page metadata that is forwarded to the AI.
For SPARQL, you can click the "Insert into SPARQL Editor" button on code blocks to automatically load queries into the editor.
All actions are strictly proposal-only; the assistant will never perform writes or mutations on your behalf.

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