Institutional 
Meteo — National Observatory of Athens
Meteorology, climate science & environmental data
- Climate
- GIS
- R&D
Greece's leading meteorological data and atmospheric research service.
ONTOVISUALStartup
Semantic technology & knowledge engineering
Tagged
Knowledge graph and semantic technology for intelligent data systems.
ONTOVISUAL is a Greek deep-tech startup specialising in ontology engineering, knowledge graphs, and semantic data integration. Their technology enables organisations to structure, connect, and reason over complex datasets — unlocking intelligence that is invisible in siloed, unstructured information. As a Startup member, ONTOVISUAL brings advanced semantic technologies to the Pleiades innovation ecosystem.
Connect with MemberAt a Glance
- 01 Member type Startup
- 02 Primary sector AI
- 03 Location Greece
What they do
ONTOVISUAL builds knowledge graph platforms and semantic data tools that help organisations integrate heterogeneous data sources, enforce data consistency, and enable intelligent querying across complex information landscapes. Their core technology bridges the gap between raw data and actionable knowledge — making it particularly valuable in domains like smart cities, healthcare, and public administration where data interoperability is critical.
The company develops both reusable ontology frameworks and bespoke knowledge graph implementations tailored to specific client domains. ONTOVISUAL's solutions support data governance, regulatory compliance, and AI-readiness — enabling organisations to build a semantically coherent foundation for advanced analytics and automated decision-making.
Areas of Expertise
- Ontology engineering & knowledge modelling
- Knowledge graph development & deployment
- Semantic data integration & interoperability
- AI-ready data architecture
Role in the Ecosystem:
ONTOVISUAL provides the Pleiades ecosystem with semantic technology expertise, enabling interoperable data architectures across smart city platforms, digital twin systems, and cross-sector data sharing initiatives.
Activities & Involvement:
No specific activities linked at this stage. Update when activities are confirmed.
Work with ONTOVISUAL
Connect with ONTOVISUAL through the Pleiades ecosystem to explore collaboration, partnerships, and innovation opportunities.
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