It seems there is no complete working example on how to do this on the Openlink Virtuoso documentation.
Below is the solution I have composed with the help of others. I hope this helps other not to spend days coming a solution for this like I have. date;time curl -X POST "http://localhost:8890/sparql"; -H "Content-Type: application/x-www-form-urlencoded" -H "Accept:application/sparql-results+json" --data-urlencode 'format=json' --data-urlencode 'default-graph-uri=http://www.example.com/ABC' --data-urlencode 'query=SELECT * FROM <http://www.example.com/ABC> WHERE { ?s ?p ?o } LIMIT 5' \ --write-out '%{url_effective};%{http_code};%{time_total};%{time_namelookup};%{time_connect};%{size_download};%{speed_download}\n';date; On Mon, Jul 1, 2019 at 6:37 PM Allan Kamau <allan.ka...@gmail.com> wrote: > I am looking for extensive "sparql-graph-crud" documentation or other > mechanism which details how to submit queries to Openlink Virtuoso SPARQL > endpoint. > In short, I would like to learn how to send SPARQL queries (with WHERE > clauses) via curl (over HTTP) to Openlink Virtuoso and obtain the results > in JSON. > For example, I would like to submit a query such as "SELECT * FROM > http://www.example.com/ABC where { ?s ?p ?o } LIMIT 100" to Openlink > Virtuoso at localhost. > > The example (below) provided on the OpenLink Virtuoso page is not > sufficient for my needs. > > curl --verbose --url " > http://localhost:8890/sparql-graph-crud?graph-uri=urn:graph:urn:graph:update:test:post > " > > > Allan. > >
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