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 org.aksw.jenax.sparql.fragment.api.Fragment2	createFragmentPrefLabelsLateral(org.aksw.jenax.arq.aggregation.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 org.aksw.jenax.sparql.fragment.api.Fragment3	createRelationLiteralPreference(org.aksw.jenax.arq.aggregation.LiteralPreference literalPreference)
static org.aksw.jenax.sparql.fragment.api.Fragment3	createRelationPrefLabels(org.aksw.jenax.arq.aggregation.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 org.aksw.jenax.sparql.fragment.api.Fragment3 createRelationLiteralPreference(org.aksw.jenax.arq.aggregation.LiteralPreference literalPreference)

createRelationPrefLabels

public static org.aksw.jenax.sparql.fragment.api.Fragment3 createRelationPrefLabels(org.aksw.jenax.arq.aggregation.BestLiteralConfig bestLiteralConfig)

createFragmentPrefLabelsLateral

public static org.aksw.jenax.sparql.fragment.api.Fragment2 createFragmentPrefLabelsLateral(org.aksw.jenax.arq.aggregation.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)