First you should make sure that the SPIN function is stored in a file
ending with .spin.* so that it will be picked up when the system starts.
To make sure it got registered, a restart also helps.
Also the function must be an instance of spin:Function, not rdf:type
owl:Class (first row of your Turtle snippet below).
Please get back to us if this does not resolve the issue.
Thanks,
Holger
On 1/9/15, 9:23 AM, Rich Keller wrote:
Hi. I am getting the following error when performing inferencing:
WARN [Thread-25] (E_Function.java:89) - URI
<http://INSERT-PATH-HERE/data#dailyWITIcalc> has no registered
function factory
The function data:dailyWITIcalc is SPIN function that I created.
Presumably it is not properly defined. How do I go about debugging
this error?
I am using TBC-SE v.4.5.0 on a Mac.
Thanks, Rich
PS: The function definition is below.
data:dailyWITIcalc a owl:Class ;
rdfs:label "dailyWITIcalc"^^xsd:string ;
rdfs:subClassOf spin:Functions ;
spin:body [ a sp:Select ;
sp:resultVariables ( [ sp:expression [
a sp:Sum ;
sp:expression [ sp:varName "hourlyWITI"^^xsd:string ]
] ;
sp:varName "dailyWITI"^^xsd:string
] ) ;
sp:where ( [ sp:object
data:ASPMhourlyARecord ;
sp:predicate rdf:type ;
sp:subject [
sp:varName "hourlyData"^^xsd:string ]
] [ sp:object [
sp:varName "nasday"^^xsd:string ] ;
sp:predicate data:reportingNday ;
sp:subject spin:_arg1
] [ sp:object
spin:_arg1 ;
sp:predicate data:hasWITIdata ;
sp:subject [ sp:varName "air"^^xsd:string ]
] [ sp:object
[ sp:varName "hourlyData"^^xsd:string ] ;
sp:predicate data:hasASPMhourlyData ;
sp:subject [ sp:varName "air"^^xsd:string ]
] [
sp:object [ sp:varName "nasday"^^xsd:string ] ;
sp:predicate data:reportingNday ;
sp:subject [ sp:varName "hourlyData"^^xsd:string ]
] [
sp:object [ sp:varName "hourlyWITI"^^xsd:string ] ;
sp:predicate spin:_arg2 ;
sp:subject [ sp:varName "hourlyData"^^xsd:string ]
] )
] ;
spin:constraint [ a spl:Argument ;
spl:predicate sp:arg1
] ;
spin:constraint [ a spl:Argument ;
spl:predicate sp:arg2
] .
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