I get an error. If I specify a prefix will I have to update all my data? Currently the model just has (blank node, column_name, test) for each triplet.
On Thu, Jun 27, 2013 at 10:48 AM, David Jordan <[email protected]> wrote: > > When you say it does not work, what do you mean? You get no results, or > you get an error? > Your column_name in the where clause should be a predicate. > For example, rdfs:subClassOf > > -----Original Message----- > From: Kurt Landen [mailto:[email protected]] > Sent: Thursday, June 27, 2013 11:35 AM > To: [email protected] > Subject: Do query predicates require a prefix? > > I can execute this command using QueryFactory: > > SELECT ?x ?y ?z WHERE {?x ?y ?z } > > but if I want to specify the predicate > > SELECT ?x ?y ?z WHERE {?x column_name ?z } > > it does not work. > > Does the predicate and/or subject require a prefix? > > If I specify a prefix I don't get an error, but I will have to change all > my data so that the query will work. Is this even a correct query? > >
