Triplestores are good for storing and processing graphs, which don't fit the relational database model very well. There is a variant of SQL called SPARQL intend

Triplestores are good for storing and processing graphs, which don't fit the relational database model very well. There is a variant of SQL called SPARQL intended specifically for querying triplestores: https://en.wikipedia.org/wiki/SPARQL https://en.wikipedia.org/wiki/SPARQL