Install 4store by entering the following commands in the terminal:
sudo apt update sudo apt install 4store
RDF database storage and query engine -- database daemon
4store is a database storage and query engine that holds RDF data. . 4store's main strengths are its performance, scalability and stability. It does not provide many features over and above RDF storage and SPARQL queries, but if your are looking for a scalable, secure, fast and efficient RDF store, then 4store should be on your shortlist. . This package contains the database daemon and related utilities.