org.aksw.qa.commons.measure

Class SPARQLBasedEvaluation

java.lang.Object

org.aksw.qa.commons.measure.SPARQLBasedEvaluation

public class SPARQLBasedEvaluation
extends Object

This class uses the dbpedia.org/sparql endpoint to check two given sparql queries whether they return the same result and calculate precision, recall and f-measure out of it

Author:

ricardousbeck

Field Summary

Fields

Modifier and Type	Field and Description
private static org.slf4j.Logger	logger

Constructor Summary

Constructors

Constructor and Description
SPARQLBasedEvaluation()

Method Summary

Modifier and Type	Method and Description
static double	fMeasure(String sparqlQuery, String targetSPARQLQuery, String endpoint)
private static boolean	hasAggregations(String query)
private static boolean	isAskType(String sparqlQuery)
private static boolean	isSelectType(String sparqlQuery)
static double	precision(String sparqlQueryString, String targetSPARQLQueryString, String endpoint)
static double	recall(String sparqlQueryString, String targetSPARQLQueryString, String endpoint)

Methods inherited from class java.lang.Object

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

Field Detail

logger

private static org.slf4j.Logger logger

Constructor Detail

SPARQLBasedEvaluation

public SPARQLBasedEvaluation()

Method Detail

precision

public static double precision(String sparqlQueryString,
                               String targetSPARQLQueryString,
                               String endpoint)

recall

public static double recall(String sparqlQueryString,
                            String targetSPARQLQueryString,
                            String endpoint)

fMeasure

public static double fMeasure(String sparqlQuery,
                              String targetSPARQLQuery,
                              String endpoint)

isAskType

private static boolean isAskType(String sparqlQuery)

isSelectType

private static boolean isSelectType(String sparqlQuery)

hasAggregations

private static boolean hasAggregations(String query)