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NVIDIA Auto-Ontology

Open semantic layer that grounds AI agents in your data

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Artificial IntelligenceOpen SourceAnalytics

Auto-Ontology builds a reviewed context layer over your databases so AI agents query the right data. It drafts an ontology from schemas, profiles and query history (business terms, relationships, reusable SQL), lets people certify it, then turns questions into checked SQL and returns the answer with its query and reasoning, or says when the data can't answer. Ten engines, from Postgres to Snowflake. Web UI, REST API and MCP server. Apache-2.0.