diff --git a/yarspg/YARSpg.g4 b/yarspg/YARSpg.g4
index 5d95be0..cb171ac 100644
--- a/yarspg/YARSpg.g4
+++ b/yarspg/YARSpg.g4
@@ -40,7 +40,7 @@ declaration
     ;
 
 nodeDeclaration
-    : node_id '{' node_label (',' node_label)* '}' ( '[' node_prop (',' node_prop)* ']' )?
+    : '<' node_id '>' '{' node_label (',' node_label)* '}' ( '[' node_prop (',' node_prop)* ']' )?
     ;
 
 relationship
diff --git a/yarspg/examples/real-example.yarspg b/yarspg/examples/real-example.yarspg
index 692769b..b548cd6 100644
--- a/yarspg/examples/real-example.yarspg
+++ b/yarspg/examples/real-example.yarspg
@@ -1,9 +1,9 @@
-Author01{"Author"}["fname":"John","lname":"Smith"]
-Author02{"Author"}["fname":"Alice","lname":"Brown"]
-EI01{"Entry","InProc"}["title":"Serialization for...", "numpages":10,"keyword":"Graph database"]
-EA01{"Entry","Article"}["title":"Property Graph...", "numpages":10,"keyword":["Query", "Graph"]]
-Proc01{"Proceedings"}["title":"BDAS","year":2018,"month":"May"]
-Jour01{"Journal"}["title":"J. DB","year":2020,"vol":30]
+<Author01>{"Author"}["fname":"John","lname":"Smith"]
+<Author02>{"Author"}["fname":"Alice","lname":"Brown"]
+<EI01>{"Entry","InProc"}["title":"Serialization for...", "numpages":10,"keyword":"Graph database"]
+<EA01>{"Entry","Article"}["title":"Property Graph...", "numpages":10,"keyword":["Query", "Graph"]]
+<Proc01>{"Proceedings"}["title":"BDAS","year":2018,"month":"May"]
+<Jour01>{"Journal"}["title":"J. DB","year":2020,"vol":30]
 
 (EI01)-{"has_author"}["order":1]->(Author01)
 (EI01)-{"has_author"}["order":2]->(Author02)
diff --git a/yarspg/examples/test-example.yarspg b/yarspg/examples/test-example.yarspg
index 8223072..c464534 100644
--- a/yarspg/examples/test-example.yarspg
+++ b/yarspg/examples/test-example.yarspg
@@ -1,8 +1,8 @@
-a{"a1d","x"}["aa1a":true,"a2aa":"text","aa3aa":null]
-b43b{"label1"}["value":5]
-c{"label333","c"}["value":"male","lang":"en","valid":false]
-d{"label546"}["key":442.1333]
-e{"ef22","y","v"}["key44":[true,false,"some text", null, 11, 11.2231]]
+<a>{"a1d","x"}["aa1a":true,"a2aa":"text","aa3aa":null]
+<b43b>{"label1"}["value":5]
+<c>{"label333","c"}["value":"male","lang":"en","valid":false]
+<d>{"label546"}["key":442.1333]
+<e>{"ef22","y","v"}["key44":[true,false,"some text", null, 11, 11.2231]]
 
 (a)-<ferf>{"aaa1a"}["key":"value", "aab2bc":[44.22,"en",22]]->(c)
 (a)-<id341>{"aaa2a"}->(c)