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@delmoi: The real problem though is: How do you query? Or rather How do you query in linear time?Maybe you can look at the query code examples outlined for example here. Does that answer your question about how you query a graph db? We also support declarative pattern-matching queries through SPARQL.
@delmoi: The real problem though is: How do you query? Or rather How do you query in linear time?
As a side note, queries in "linear time" as you speak about are only usable with trivial data sets. (A query in O(n) is the equivalent of an RDBMS table scan or traversing a linked list, i.e. unusable with real data.) What we want is sub-linear times, like indexed lookups which typically run in O(log n) or better. You seem very interested in theory and throwing around CS lingo so maybe that's interesting for you to know.
Actually, that's not an ontology. You're confusing meta level and instance level.
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