Persist the triples RDD with the default storage level (MEMORY_ONLY
).
Persist the triples RDD with the default storage level (MEMORY_ONLY
).
Convert the current graph to a Dataframe of RDF triples.
Convert the current graph to a Dataframe of RDF triples.
the Spark session
the SQL schema
a Dataframe of RDF triples
Convert the current graph to an RDD of RDF triples.
Convert the current graph to an RDD of RDF triples.
RDD of RDF triples
A data structure that comprises a collection of triples. Note, due to the implementation of the Spark datastructures, this doesn't necessarily mean to be free of duplicates which is why a
distinct
operation is provided.