A RDF/js Store that reads relative turtle files from disk and mutates them via a QueryEngine such as Comunica.
import { LocalStore } from '@shapething/localstore'
import { QueryEngine } from '@comunica/query-sparql'
const store = new LocalStore({ baseUri: new URL('http://example.com/') })
const engine = new QueryEngine()
await engine.queryQuads(
`construct { ?s ?p ?o } where {
{ graph <http://example.com/nested/lorem> { ?s ?p ?o } } union
{ graph <https://shapething.com/lorem> { ?s ?p ?o } } union
{ graph <http://example.com/ipsum> { ?s ?p ?o } }
}`,
{
sources: [store]
}
)
It is best to execute queries with graphs selected. This gives the best performance.