diff --git a/src/org/ntlab/traceDebugger/DeltaMarkerView.java b/src/org/ntlab/traceDebugger/DeltaMarkerView.java
index 01948d6..2d5c9f8 100644
--- a/src/org/ntlab/traceDebugger/DeltaMarkerView.java
+++ b/src/org/ntlab/traceDebugger/DeltaMarkerView.java
@@ -177,7 +177,7 @@
 		if (analyzer instanceof DeltaExtractionAnalyzer) {
 			DeltaExtractionAnalyzer deltaAnalyzer = (DeltaExtractionAnalyzer)analyzer;
 			if (deltaMarkerManager == null) deltaMarkerManager = new DeltaMarkerManager();
-			deltaMarkerManager.setDeltaInformation(deltaAnalyzer.extractDeltaForContainerToComponent(variable));
+			deltaMarkerManager.setDeltaInfo(deltaAnalyzer.extractDeltaForContainerToComponent(variable));
 			deltaMarkerManager.createMarkerAndOpenJavaFileForAll(); // �f���^���o�̌��ʂ����Ƀ\�[�X�R�[�h�𔽓]�\������
 			updateAfterExtractingDelta();			
 		}
@@ -188,7 +188,7 @@
 		if (analyzer instanceof DeltaExtractionAnalyzer) {
 			DeltaExtractionAnalyzer deltaAnalyzer = (DeltaExtractionAnalyzer)analyzer;
 			if (deltaMarkerManager == null) deltaMarkerManager = new DeltaMarkerManager();
-			deltaMarkerManager.setDeltaInformation(deltaAnalyzer.extractDeltaForThisToAnother(thisId, thisClassName, anotherId, anotherClassName, before));
+			deltaMarkerManager.setDeltaInfo(deltaAnalyzer.extractDeltaForThisToAnother(thisId, thisClassName, anotherId, anotherClassName, before));
 			deltaMarkerManager.createMarkerAndOpenJavaFileForAll(); // �f���^���o�̌��ʂ����Ƀ\�[�X�R�[�h�𔽓]�\������
 			updateAfterExtractingDelta();	
 		}
diff --git a/src/org/ntlab/traceDebugger/analyzerProvider/DeltaExtractionAnalyzer.java b/src/org/ntlab/traceDebugger/analyzerProvider/DeltaExtractionAnalyzer.java
index 72a64b1..a353ac8 100644
--- a/src/org/ntlab/traceDebugger/analyzerProvider/DeltaExtractionAnalyzer.java
+++ b/src/org/ntlab/traceDebugger/analyzerProvider/DeltaExtractionAnalyzer.java
@@ -39,7 +39,7 @@
 		return extractedStructure;
 	}
 
-	public DeltaInformation extractDeltaForContainerToComponent(Variable variable) {
+	public DeltaInfo extractDeltaForContainerToComponent(Variable variable) {
 		String srcId = variable.getContainerId();
 		String srcClassName = variable.getContainerClassName();
 		String dstId = variable.getValueId();
@@ -60,10 +60,10 @@
 		MethodExecution creationCallTree = extractedStructure.getCreationCallTree();
 		MethodExecution coordinator = extractedStructure.getCoordinator();
 		TracePoint bottomPoint = findTracePoint(reference, creationCallTree, before.getStatement().getTimeStamp());
-		return new DeltaInformation(coordinator, bottomPoint, reference, aliasCollector);
+		return new DeltaInfo(coordinator, bottomPoint, reference, aliasCollector);
 	}
 
-	public DeltaInformation extractDeltaForThisToAnother(String thisId, String thisClassName, String anotherId, String anotherClassName, TracePoint before) {
+	public DeltaInfo extractDeltaForThisToAnother(String thisId, String thisClassName, String anotherId, String anotherClassName, TracePoint before) {
 		MethodExecution me = before.getMethodExecution();
 		Map<ObjectReference, TracePoint> references = me.getObjectReferences(anotherClassName);
 		ObjectReference objectReference = null;
@@ -83,7 +83,7 @@
 		extractedStructure = deltaExtractor.extract(tp, objectReference, aliasCollector);
 		MethodExecution coordinator = extractedStructure.getCoordinator();
 		Reference reference = new Reference(thisId, anotherId, thisClassName, anotherClassName);
-		return new DeltaInformation(coordinator, bottomPoint, reference, aliasCollector);
+		return new DeltaInfo(coordinator, bottomPoint, reference, aliasCollector);
 	}
 
 	private TracePoint findTracePoint(Reference reference, MethodExecution methodExecution, long beforeTime) {
diff --git a/src/org/ntlab/traceDebugger/analyzerProvider/DeltaInfo.java b/src/org/ntlab/traceDebugger/analyzerProvider/DeltaInfo.java
index f85d2c8..2156168 100644
--- a/src/org/ntlab/traceDebugger/analyzerProvider/DeltaInfo.java
+++ b/src/org/ntlab/traceDebugger/analyzerProvider/DeltaInfo.java
@@ -4,13 +4,13 @@
 import org.ntlab.traceAnalysisPlatform.tracer.trace.Reference;
 import org.ntlab.traceAnalysisPlatform.tracer.trace.TracePoint;
 
-public class DeltaInformation {
+public class DeltaInfo {
 	private MethodExecution coordinator;
 	private TracePoint relatedPoint;
 	private Reference relatedPointReference;
 	private DeltaRelatedAliasCollector aliasCollector;
 
-	public DeltaInformation(MethodExecution coordinator, TracePoint relatedPoint, Reference relatedPointReference, DeltaRelatedAliasCollector aliasCollector) {
+	public DeltaInfo(MethodExecution coordinator, TracePoint relatedPoint, Reference relatedPointReference, DeltaRelatedAliasCollector aliasCollector) {
 		this.coordinator = coordinator;
 		this.relatedPoint = relatedPoint;
 		this.relatedPointReference = relatedPointReference;
diff --git a/src/org/ntlab/traceDebugger/analyzerProvider/DeltaMarkerManager.java b/src/org/ntlab/traceDebugger/analyzerProvider/DeltaMarkerManager.java
index f3bb83f..9c274cc 100644
--- a/src/org/ntlab/traceDebugger/analyzerProvider/DeltaMarkerManager.java
+++ b/src/org/ntlab/traceDebugger/analyzerProvider/DeltaMarkerManager.java
@@ -60,14 +60,14 @@
 	public DeltaMarkerManager() {
 	}
 	
-	public DeltaMarkerManager(DeltaInformation deltaInform) {
+	public DeltaMarkerManager(DeltaInfo deltaInform) {
 		this.coordinator = deltaInform.getCoordinator();
 		this.relatedPoint = deltaInform.getRelatedPoint();
 		this.relatedPointReference = deltaInform.getRelatedPointReference();
 		this.aliasCollector = deltaInform.getAliasCollector();
 	}
 	
-	public void setDeltaInformation(DeltaInformation deltaInform) {
+	public void setDeltaInfo(DeltaInfo deltaInform) {
 		this.coordinator = deltaInform.getCoordinator();
 		this.relatedPoint = deltaInform.getRelatedPoint();
 		this.relatedPointReference = deltaInform.getRelatedPointReference();