From 4b689a74e3088cdc58efcc7b37bf9bc6486bfdef Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=B4me=20Euzenat?= <Jerome.Euzenat@inria.fr>
Date: Tue, 18 Aug 2009 20:29:21 +0000
Subject: [PATCH] - add dropAlignments
---
.../align/util/OntologyNetworkWeakener.java | 24 ++++++++++++++++++-
1 file changed, 23 insertions(+), 1 deletion(-)
diff --git a/src/fr/inrialpes/exmo/align/util/OntologyNetworkWeakener.java b/src/fr/inrialpes/exmo/align/util/OntologyNetworkWeakener.java
index 80e0d275..ca809d3d 100644
--- a/src/fr/inrialpes/exmo/align/util/OntologyNetworkWeakener.java
+++ b/src/fr/inrialpes/exmo/align/util/OntologyNetworkWeakener.java
@@ -55,7 +55,7 @@ public class OntologyNetworkWeakener {
* suppress n% of the correspondences at random in all alignments
* n is a number between 0. and 1.
* Returns a brand new BasicOntologyNetwork (with new alignments and cells)
- * the @threshold parameter tells if the corrrespondences are suppressed at random of by suppressing the n% of lower confidence
+ * the @threshold parameter tells if the corrrespondences are suppressed at random (false) of by suppressing the n% of lower confidence (true)
*/
public static OntologyNetwork weakenAlignments( OntologyNetwork on, double n, boolean threshold ) throws AlignmentException {
if ( n < 0. || n > 1. )
@@ -95,4 +95,26 @@ public class OntologyNetworkWeakener {
}
return newon;
}
+
+ /**
+ * randomly drops n% of all alignments
+ * n is a number between 0. and 1.
+ * Returns a brand new BasicOntologyNetwork (with the initial alignments)
+ */
+ public static OntologyNetwork dropAlignments( OntologyNetwork on, double n ) throws AlignmentException {
+ if ( n < 0. || n > 1. )
+ throw new AlignmentException( "Argument must be between 0 and 1.: "+n );
+ OntologyNetwork newon = new BasicOntologyNetwork();
+ for ( URI ontouri : on.getOntologies() ){
+ newon.addOntology( ontouri );
+ }
+ Set<Alignment> alignments = on.getAlignments();
+ int size = alignments.size();
+ ArrayList<Alignment> array = new ArrayList<Alignment>( size );
+ Collections.shuffle( array );
+ for ( int i = size - (int)(n*size); i > 0; i-- ) {
+ on.addAlignment( array.get( i ) );
+ }
+ return newon;
+ }
}
--
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