Package org.aksw.jenax.analytics.core

Class LabelUtils

java.lang.Object

org.aksw.jenax.analytics.core.LabelUtils

public class LabelUtils
extends Object

Constructor Summary

Constructors

Constructor	Description
LabelUtils()

Method Summary

Modifier and Type	Method	Description
static Fragment2	createFragmentPrefLabelsLateral(LiteralPreference config)	Create a Fragment2 of the form (?entity, ?bestLabel) Links each entity to its best label according to simple BestLiteralConfig model: The model simply captures lists of properties and languages in descending priority.
static Fragment3	createRelationLiteralPreference(LiteralPreference literalPreference)
static Fragment3	createRelationPrefLabels(BestLiteralConfig bestLiteralConfig)
static void	main(String[] args)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

LabelUtils

public LabelUtils()

Method Details

createRelationLiteralPreference

public static Fragment3 createRelationLiteralPreference(LiteralPreference literalPreference)

createRelationPrefLabels

public static Fragment3 createRelationPrefLabels(BestLiteralConfig bestLiteralConfig)

createFragmentPrefLabelsLateral

public static Fragment2 createFragmentPrefLabelsLateral(LiteralPreference config)

Create a Fragment2 of the form (?entity, ?bestLabel) Links each entity to its best label according to simple BestLiteralConfig model: The model simply captures lists of properties and languages in descending priority. Always only returns a single lable: If there are multiple labels under the same property with a suitable language then only one of them will be returned.

 ?x ?z | { SELECT
   WHERE
     { VALUES ( ?y ?propertyScore ) {
         ( <http://www.w3.org/2000/01/rdf-schema#label> 0 )
         ( <http://www.w3.org/2000/01/rdf-schema#comment> 1 )
         ( <http://www.w3.org/2000/01/rdf-schema#seeAlso> 2 )
       }
       ?x  ?y  ?z
       LATERAL
         { VALUES ( ?lang ?langScore ) {
             ( "en" 0 )
             ( "de" 1 )
             ( "" 2 )
           }
           FILTER langMatches(lang(?z), ?lang)
         }
     }
   ORDER BY ASC(?langScore) ASC(?propertyScore)
   LIMIT   1
 }
  

main

public static void main(String[] args)