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Virtuoso supports reification as youâve exemplified, which is just a bunch of additional triples.
Virtuoso also supports named graphs, which may be as small as one triple (or one quad, when you include the graph column).
Virtuoso does not support labeled property graphs, as such.
Virtuoso does support connections to and queries against other data stores, when those other stores support ODBC (and JDBC, via ODBC-to-JDBC Bridge) and SQL.
Virtuoso also supports Federated SPARQL (a/k/a SPARQL-FED), such that subqueries may be executed on remote SPARQL endpoints, and their results incorporated into queries being executed on Virtuoso.
Some idea of what you want to achieve, and what youâre starting with, will help us provide answers that are more specifically relevant to you.
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