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Posted to dev@jena.apache.org by "Natan Cox (JIRA)" <ji...@apache.org> on 2017/03/02 16:17:45 UTC

[jira] [Updated] (JENA-1300) Using alternative path in Fuseki runs forever

     [ https://issues.apache.org/jira/browse/JENA-1300?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Natan Cox updated JENA-1300:
----------------------------
    Description: 
When doing a query with alternative paths like in this example 'isOwnedBy' and 'exploitatie' then Fuseki seems to run forever.
If I remove on of the 2 the response is immediate.

{code:none}
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX protontop: <http://www.ontotext.com/protontop#>
PREFIX milieu: <http://id.milieuinfo.be/def#>

SELECT (count(*) as ?total)
WHERE {
  GRAPH <http://id.milieuinfo.be/graph/imjv#id> {
    ?x protontop:isOwnedBy|milieu:exploitatie ?site. 
    ?site rdfs:label ?label.
  }
}

{code}

  was:
When doing a query like

{{
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX protontop: <http://www.ontotext.com/protontop#>
PREFIX milieu: <http://id.milieuinfo.be/def#>

SELECT (count(*) as ?total)
WHERE {
  GRAPH <http://id.milieuinfo.be/graph/imjv#id> {
    ?x protontop:isOwnedBy|milieu:exploitatie ?site. #protontop:isOwnedBy|milieu:exploitatie
    ?site rdfs:label ?label.
  }
}

}}


> Using alternative path in Fuseki runs forever
> ---------------------------------------------
>
>                 Key: JENA-1300
>                 URL: https://issues.apache.org/jira/browse/JENA-1300
>             Project: Apache Jena
>          Issue Type: Bug
>          Components: Fuseki, TDB
>            Reporter: Natan Cox
>
> When doing a query with alternative paths like in this example 'isOwnedBy' and 'exploitatie' then Fuseki seems to run forever.
> If I remove on of the 2 the response is immediate.
> {code:none}
> PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
> PREFIX protontop: <http://www.ontotext.com/protontop#>
> PREFIX milieu: <http://id.milieuinfo.be/def#>
> SELECT (count(*) as ?total)
> WHERE {
>   GRAPH <http://id.milieuinfo.be/graph/imjv#id> {
>     ?x protontop:isOwnedBy|milieu:exploitatie ?site. 
>     ?site rdfs:label ?label.
>   }
> }
> {code}



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