[Virtuoso-users] Problem with MAX function in SPARQL

2015-11-11 Thread Francesco Balzu
Excuse me if I submit again the same question, but it is important to me to know where I am mistaken. I have a problem with the MAX aggregate function in SPARQL. I provide the data and the query that generates the wrong (according to me) result. The query is slightly different from the one that

[Virtuoso-users] Problem with MAX function in SPARQL

2015-11-03 Thread Francesco Balzu
Hi all! I have the following problem with the MAX aggregate function in SPARQL. If I run the query PREFIX foaf: PREFIX km4c: PREFIX rdf: SELECT ?ride (max(?avmr) AS ?avmrLast) FROM

[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. }

Re: [Virtuoso-users] Problem generating views from Virtuoso Conductor

2015-08-24 Thread Francesco Balzu
LinkGoogle+ -- http://plus.google.com/100570109519069333827/Facebook -- http://www.facebook.com/OpenLinkSoftwareUniversal Data Access, Integration, and Management Technology Providers On 19 Aug 2015, at 21:01, Francesco Balzu wrote:Hi Hugh, thanks for your help and your time

[Virtuoso-users] Problem generating views from Virtuoso Conductor

2015-08-17 Thread Francesco Balzu
Hi !I have the following problem with Virtuoso: when I open the "Views" tab from Conductor and generate a mapping using the default mapping, I get the following log 22023SR528: Uninitialized property qmvcColumnName in JSO instance of type