Package com.semedy.reasoner.api.induction

Class SimilarityTrainer

java.lang.Object

com.semedy.reasoner.api.induction.SimilarityTrainer

public class SimilarityTrainer
extends Object

Adapts similarity built-ins to cover max positives and min negatives

Author:

angele

Constructor Summary

Constructors

Constructor	Description
SimilarityTrainer(Core core)

Method Summary

Modifier and Type	Method	Description
int	numberOfNegatives()	get the number of negatives covered by recently trained rules
int	numberOfPositives()	get the number of positive covered by recently trained rules
void	trainRules(Collection<String> ruleNames, String query4Positives, String query4Negatives, int stepRate)	adapt similarity built-ins in rules to cover max positives and min negatives.

Methods inherited from class java.lang.Object

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

Constructor Details

SimilarityTrainer

public SimilarityTrainer(Core core)
                  throws IOException,
SemReasonerException

Throws:

IOException

SemReasonerException

Method Details

numberOfPositives

public int numberOfPositives()

get the number of positive covered by recently trained rules

Returns:

numberOfNegatives

public int numberOfNegatives()

get the number of negatives covered by recently trained rules

Returns:

trainRules

public void trainRules(Collection<String> ruleNames,
 String query4Positives,
 String query4Negatives,
 int stepRate)
                throws IOException,
SemReasonerException,
InterruptedException

adapt similarity built-ins in rules to cover max positives and min negatives.
Query query4Positives queries the positive covered facts.
Query query4Negatives queries the negative covered facts.
Step rate defines the stepping for the similarity measure.
The rules mentioned in ruleNames are modified

Parameters:

ruleNames - , the names of the rules to adapt

query4Positives - , a query to retrieve all positives, could be null

query4Negatives - , a query to retrieve all negativses, could be null

stepRate - , the step rate for the similarity measure from 0 to 10

Throws:

InterruptedException

SemReasonerException

IOException