R2rml Python Packages

morph-kgc

Powerful RDF Knowledge Graph Generation with RML Mappings

orionbelt-analytics

Ontology-based MCP server that analyzes database schemas (PostgreSQL, Snowflake, ClickHouse, Dremio) and generates RDF/OWL ontologies with SQL mappings for fan-trap-free Text-to-SQL.

mapeathor

Translator of spreadsheet mappings into R2RML, RML or YARRRML

semantic-rdf-mapper

Python + Polars engine (API or CLI based) RDF materialization engine