Re: [Dbpedia-dutch] Conditional mapping

[Gerard K. <Ger...@bi...>]

OK, I will do that. Thanks! But then, it seems to be wise to repeat the mappings to be done in the 'otherwise' clause in the condition with the other criteria ('templateProperty = xtp4000'). Because, if fired, it will never arrive at the 'otherwise' anymore.

Regards,

Gerard
________________________________
Van: Gerard Kuys [Ger...@bi...]
Verzonden: donderdag 28 februari 2013 22:40
To: Dimitris Kontokostas
Cc: dbp...@li...
Onderwerp: Re: [Dbpedia-dutch] Conditional mapping

Thank you, Dimitris, this documentation really is enlightening. One last question, however. In the example I include below, there is a condition statement with a 'case' clause. As is natural, this ends with an 'otherwise' clause. Will the program when having processed this 'otherwise' clause leave the entire condition section, or can I add another condition, one that is not dependent on the condition (as below: 'templateProperty = tpx10') to be fulfilled for the case...otherwise series?

I mean this:

{{ConditionalMapping
 | cases =
  {{Condition
    | templateProperty = tpx10
    | operator = contains
    | value = 'ABC'
    | mapping = {{TemplateMapping
                   | mapToClass = Class1
                }}
  }}

  {{Condition
    | templateProperty = tpx10
    | operator = contains
    | value = 'DEF'
    | mapping = {{TemplateMapping
                   | mapToClass = Class2
                }}
  }}

  {{Condition
    | operator = otherwise
    | mapping = {{TemplateMapping
                   | mapToClass =Class3
                }}
  }}

  {{Condition
    | templateProperty = xtp4000
    | operator = isSet
    | mapping = {{ConstantMapping
                   | ontologyProperty = opx300 | value = 'GHI'
                }}
  }}

Would this work?

Regards,

Gerard
________________________________
Van: Dimitris Kontokostas [kon...@in...]
Verzonden: donderdag 28 februari 2013 21:48
To: Gerard Kuys
Cc: dbp...@li...
Onderwerp: Re: [Dbpedia-dutch] Conditional mapping

Hi Gerard,

Although so-and-so is kind of ambiguous, for field existence you can use the 'isSet' operator

Complete documentation can be found here
http://mappings.dbpedia.org/index.php/Template:Condition
http://mappings.dbpedia.org/index.php/Template:ConditionalMapping

and examples here:
http://mappings.dbpedia.org/index.php?title=Special%3ASearch&search=isset&go=Go
http://mappings.dbpedia.org/index.php/Special:WhatLinksHere/Template:Condition

Best,
Dimitris




On Thu, Feb 28, 2013 at 9:38 AM, Gerard Kuys <Ger...@bi...<mailto:Ger...@bi...>> wrote:
Hi all,

I looked in the document on the DBpedia mapping language, but didn't find what I looked for:

How can I, in a conditional mapping, express that the condition only fires if for field so-and-so there is a (or no) value?

Thank you for answering!

Regards,

Gerard Kuys

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--
Dimitris Kontokostas
Department of Computer Science, University of Leipzig
Research Group: http://aksw.org
Homepage:http://aksw.org/DimitrisKontokostas