Virtuoso extractor
Special purpose component, allows the user to instruct OpenLink Virtuoso triplestore to dump a named graph to the remote file system. Uses Virtuoso Bulk Loader functionality.
- Virtuoso JDBC connection string
- JDBC database connection string to connect to the Virtuoso iSQL port (typically
1111) - User name
- User name to Virtuoso
- Password
- Password to Virtuoso. Note that this is plain text and in no way secured
- Source graph IRI
- IRI of the RDF graph to be dumped
- Output path
- Directory on the remote file system (local to Virtuoso) where the files will be dumped
Characteristics
- ID
- x-virtuosoextractor
- Type
- other
- Look in pipeline
The Virtuoso extractor component instructs a remote instance of OpenLink Virtuoso to dump a named graph using the Virtuoso Bulk Loader. It is recommended to use it together with Extract from FTP or HTTP get to download larger RDF files (approx. > 5M triples) from Virtuoso, and Decompress archive to decompress them, as they get dumped Gzipped.