diff --git a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/Alias.java b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/Alias.java
index cf4ce7c..568a561 100644
--- a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/Alias.java
+++ b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/Alias.java
@@ -55,8 +55,28 @@
 		String indent = "  ";
 		str.append("objId: " + objectId + "\n");
 		str.append("tp: " + occurrencePoint + "\n");
-		str.append(indent + "signature: " + occurrencePoint.getMethodExecution().getSignature() + "\n");
-		str.append(indent + "lineNo: " + occurrencePoint.getStatement().getLineNo() + "\n");
+		str.append(indent + "signature: " + occurrencePoint.getMethodExecution().getCallerSideSignature() + "\n");
+//		str.append(indent + "signature: " + occurrencePoint.getMethodExecution().getSignature() + "\n");
+		Statement statement = occurrencePoint.getStatement();
+		String statementType = "";
+		if (statement instanceof FieldAccess) {
+			statementType = "FieldAccess";
+		} else if (statement instanceof FieldUpdate) {
+			statementType = "FieldUpdate";
+		} else if (statement instanceof ArrayAccess) {
+			statementType = "ArrayAccess";
+		} else if (statement instanceof ArrayUpdate) {
+			statementType = "ArrayUpdate";
+		} else if (statement instanceof ArrayCreate) {
+			statementType = "ArrayCreate";
+		} else if (statement instanceof MethodInvocation) {
+			statementType = "MethodInvocation";
+			if(((MethodInvocation)statement).getCalledMethodExecution().isConstructor()) {
+				statementType += " (Constructor)";
+			}
+		}
+		str.append(indent + "statementType: " + statementType + "\n");
+		str.append(indent + "lineNo: " + statement.getLineNo() + "\n");
 		str.append("occurrenceExp: " + occurrenceExp + "\n");
 		return str.toString();
 	}
diff --git a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/TraceJSON.java b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/TraceJSON.java
index 43f1ff9..103d1d7 100644
--- a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/TraceJSON.java
+++ b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/TraceJSON.java
@@ -1001,8 +1001,20 @@
 	public static ArrayList<ArrayList<Alias>> getObjectFlow(Alias alias) {
 		ArrayList<ArrayList<Alias>> aliasLists = new ArrayList<>();
 		ArrayList<Alias> aliasList = new ArrayList<>();
-		aliasList.add(alias);
-		return getObjectFlow(aliasLists, alias.getObjectId(), alias.getOccurrencePoint(), 0);
+		aliasLists.add(aliasList);
+//		aliasList.add(alias);
+		String objId = alias.getObjectId();
+		TracePoint tp = alias.getOccurrencePoint().duplicate();
+		ArrayList<ArrayList<Alias>> result = getObjectFlow(aliasLists, objId, tp, 0);
+		// �ȉ���for���[�v�͊m�F�p
+		for (ArrayList<Alias> list : result) {
+			System.out.println("-------------------------------------------");
+			for (Alias element : list) {
+				System.out.println(element);
+			}
+		}
+		return result;
+//		return getObjectFlow(aliasLists, alias.getObjectId(), alias.getOccurrencePoint(), 0);
 	}
 
 	private static ArrayList<ArrayList<Alias>> getObjectFlow(ArrayList<ArrayList<Alias>> aliasLists, 
@@ -1053,7 +1065,7 @@
 					aliasList = aliasLists.get(aliasLists.size() - 1);
 				}
 			}
-		} while (tp.stepBackOver());
+		} while (tp.stepBackOver()); // �Ăяo�����ɖ߂邩����ȏ�H��Ȃ��Ȃ�܂Ń��[�v
 		if (!tp.isValid()) {
 			return aliasLists; // ����ȏチ�\�b�h���s��k��Ȃ��ꍇ(main���\�b�h�̂���ɑO�Ȃ�)�͂��̎��_�ŏI��
 		}
@@ -1068,7 +1080,7 @@
 					// �T���J�n���\�b�h���s�܂��̓t�B�[���h��z��v�f�̍ŏI�X�V�T���Ŕ�񂾐�̃��\�b�h���s����, �X�^�b�N�g���[�X�ł��ǂ��S���\�b�h���s�̏ꍇ
 					TracePoint previousTp = tp.duplicate();
 					previousTp.stepBackOver();
-					aliasLists = getObjectFlow(aliasLists, objId, previousTp, 0); // �Ăяo�����̃��\�b�h���s�ɐ���
+					aliasLists = getObjectFlow(aliasLists, objId, previousTp, 0); // �Ăяo�����̃��\�b�h���s�ɖ߂�
 				}				
 			}
 		}