Virtual Graph Materialization

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1

Here are some observations on querying and materializing the triples received from a Postgres DB (these all use the same graph and the same WHERE clause in the body):

  • Query (select) output was pretty quick (I didn't note the time but it was pretty fast)
  • CONSTRUCT output was much slower but still ok (3 minutes)
  • INSERT timed out with a 20min timeout!

Just want to let you know ...

Andrea

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Thanks Andrea. Were any of these run with reasoning? How many triples were returned from these queries? How many triples were in the database before the INSERT?

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Jess, In reply ...

No reasoning.
CONSTRUCT returned about 100K triples, as I recall.
The base ontology was in the DB (13K triples) before the INSERT.

Andrea

4

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