The IOW Data Portal links to services for searching oceanographic records, viewing research metadata, and discovering model data.
MaRDI4NFDI Portal
The MaRDI portal helps users discover, document, and share mathematical research data.

About MaRDI4NFDI Portal
The MaRDI portal is the portal of the NFDI Consortium of Mathematics for discovering, documenting and sharing mathematical research data.
It provides a knowledge graph with over 7M items and over 800M semantic connections, along with over 20 free services. Described uses include following research findings, sharing algorithms for citation and reproduction, finding datasets and tools, and publishing institute data through structured workflows.
Key features
- Discover mathematical research data and findings
- Document mathematical research data
- Share mathematical research data
- Explore knowledge graph with over 7M items
- Search over 800M semantic connections
- Use over 20 free services
- Provides over 20 free services
- Knowledge graph includes over 7M items to explore
- Supports discovery, documentation, and sharing in one portal
MaRDI4NFDI Portal at a glance
- Official website
- portal.mardi4nfdi.de
- Category
- Research & Data › Open Data in Germany
- Type
- Dataset
- Platforms
- Web
- Language
- English
- Country
- DE
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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