From 3529f493850b56576f07a3b0b980978e3be03cb2 Mon Sep 17 00:00:00 2001 From: Pjotr Prins Date: Wed, 7 Dec 2022 15:00:28 -0600 Subject: Notes on RDF --- topics/systems/virtuoso.gmi | 2 ++ 1 file changed, 2 insertions(+) (limited to 'topics/systems') diff --git a/topics/systems/virtuoso.gmi b/topics/systems/virtuoso.gmi index e9d841d..3f608b5 100644 --- a/topics/systems/virtuoso.gmi +++ b/topics/systems/virtuoso.gmi @@ -134,6 +134,8 @@ We recap the same here. When uploading data, the virtuoso server often does not report errors properly. It simply freezes up. So, it is very helpful to validate your RDF before uploading. For this, use rapper from the raptor2 package. To validate data.ttl, a turtle file, run ``` rapper --input turtle --count data.ttl +rapper: Parsing URI file:///home/wrk/dump.ttl with parser turtle +rapper: Parsing returned 652395 triples ``` Then, upload it to a virtuoso SPARQL endpoint running at port 8892 ``` -- cgit v1.2.3