diff --git a/src/org/ntlab/deltaExtractor/DeltaExtractorJSON.java b/src/org/ntlab/deltaExtractor/DeltaExtractorJSON.java
index d0f63f1..c850afe 100644
--- a/src/org/ntlab/deltaExtractor/DeltaExtractorJSON.java
+++ b/src/org/ntlab/deltaExtractor/DeltaExtractorJSON.java
@@ -71,9 +71,12 @@
 				// �I�u�W�F�N�g���Ăяo���̂Ƃ��݈̂�U�폜���A�Ăяo�����̒T���𑱂���ۂɕ���������
 				removeList.add(thisObjectId);		// ��ň�U�AthisObject ����菜��
 				isTrackingThis = true;				// �Ăяo�����T���O�ɕ���
+				// �I�u�W�F�N�g���Ăяo���̂Ƃ���1�i��3�̋t�j
+				aliasCollector.addAlias(new Alias(Alias.AliasType.RECEIVER, 0, childMethodExecution.getThisObjId(), tracePoint.duplicate()));
+			} else if (!childMethodExecution.isConstructor()) {
+				// �I�u�W�F�N�g�ԌĂяo���ŌĂяo���悪�R���X�g���N�^�łȂ��ꍇ��2�i��3�̋t�j
+				aliasCollector.addAlias(new Alias(Alias.AliasType.RECEIVER, 0, childMethodExecution.getThisObjId(), tracePoint.duplicate()));
 			}
-			
-			aliasCollector.addAlias(new Alias(Alias.AliasType.RECEIVER, 0, childMethodExecution.getThisObjId(), tracePoint.duplicate()));
 		}
 		
 		if (childMethodExecution != null) {
@@ -92,6 +95,11 @@
 				removeList.add(childMethodExecution.getThisObjId());
 				existsInFields++;
 				removeList.add(thisObjectId);		// ��ň�U�AthisObject ����菜��
+				if (!thisObjectId.equals(childMethodExecution.getThisObjId())) {
+					// �Ăяo���悪�R���X�g���N�^�ŁA�I�u�W�F�N�g�ԌĂяo���̎���3�i��1�A��2�̋t�j
+//					aliasList.put(childMethodExecution.getThisObjId(), new Alias(Alias.AliasType.RECEIVER, 0, childMethodExecution.getThisObjId(), tracePoint.duplicate()));
+					aliasList.put(childMethodExecution.getThisObjId(), new Alias(Alias.AliasType.CONSTRACTOR_INVOCATION, 0, childMethodExecution.getThisObjId(), tracePoint.duplicate()));
+				}
 			}
 		}