Re: [Virtuoso-users] Problem with federated query

2015-09-08 Thread Hugh Williams
Hi Francesco, So you are saying if 2 D2R servers are using the initial ( or both ) query run fine, but with Virtuoso initiating the federated query it fails querying against the D2R server instance ? If so is this D2R server instance accessible remotely such that we can try from here ? Also, y

[Virtuoso-users] Problem with federated query

2015-09-07 Thread Francesco Balzu
Hi !! I have a problem with the following query : select *where { ?sensor rdf:type km4c:SensorSite. ?sensor dcterms:identifier 'FI055ZTL00901'. SERVICE { SELECT ?sensor ?obs { ?obs km4c:isObservationOf ?sensor. }