Compatible graph databases

Amazon Neptune is a new, fast, reliable and scalable graph database service. metaphactory provides added value to Amazon Neptune for knowledge graph management, visualisations, rapid application building and end-user oriented interactions with graph data. metaphactory has been validated on Amazon Neptune. metaphactory and Amazon Neptune are being successfully used in productive environments in the Engineering & Manufacturing and Government sectors.

GraphDB is a semantic graph database engine combined with content and data analytics solutions. GraphDB was developed by Ontotext, an established Bulgarian AI technology company, and allows you to link diverse data, index it for semantic search and enrich it via text analysis to build big knowledge graphs. metaphactory on top of GraphDB is being used productively in Pharma & Life Sciences and the News & Media sector, as well as for various EU-funded research projects.

SAP HANA® Cloud is SAP's enterprise-grade, multi-model cloud database that combines relational, spatial, vector, and graph data management in a single, unified platform. With the SAP HANA Cloud Knowledge Graph Engine, organizations can store and query RDF data at scale alongside their existing enterprise data — enabling richer semantic queries and AI-driven use cases. metaphactory is now available with integration support on SAP HANA Cloud, bringing a powerful knowledge graph modeling, visualization, and governance layer to complement HANA Cloud's storage and query capabilities. The combination is being used to accelerate knowledge graph adoption in sectors such as Engineering & Manufacturing and Pharma & Life Sciences, particularly for AI grounding, supply chain intelligence, and enterprise data connectivity use cases.

RDFox is a main-memory, highly scalable, centralised RDF store which leverages the properties of modern computer architecture and C++ to deliver high performance parallel datalog reasoning and SPARQL query answering. Its speed provides a richer user experience which is well suited to responsive applications. It is available on Mac, Windows, and Linux. metaphactory has been validated on RDFox.

RDFox is developed by Oxford Semantic Technologies, a spin out from the University of Oxford acquired by Samsung Electronics in 2024.