Here you can find the list of modules of the mapping language RML.
| Ontology | Serialization | License | Language | Links | Description | 
|---|---|---|---|---|---|
| RML-Core | rdf+xml ttl | CC-BY | en |  Specification  Shapes | Core ontology that defines the necessary resources to create a mapping. | 
| RML-IO: Source and Target | rdf+xml ttl | CC-BY | en |  Specification  Shapes | Ontology module that allows the description of input data sources and target outputs. | 
| RML-CC: Collections and Containers | rdf+xml ttl | CC-BY | en |  Specification  Shapes | Ontology module that allows the generation of collections and containers. | 
| RML-FNML: Functions | rdf+xml ttl | CC-BY | en |  Specification  Shapes | Ontology module that allows the application of data transformation functions. | 
| RML-Star | rdf+xml ttl | CC-BY | en |  Specification  Shapes | Ontology module that allows the construction of RDF-star graphs. | 
| RML-LV: Logical Views | rdf+xml ttl | CC-BY | en |  Specification  Shapes | Ontology module that allows the description of views over data sources. |