diff --git a/cml/domain/complexity_reduction.py b/cml/domain/complexity_reduction.py
index 98f0a076e1c1b1c9f89c1763c71663108a729d9a..0aacba2a19783cd7f4b6de0a4e1f6c51731cf0ba 100644
--- a/cml/domain/complexity_reduction.py
+++ b/cml/domain/complexity_reduction.py
@@ -16,9 +16,10 @@ def log_selection(func):
                     str(learnblock.length),
                     str(learnblock.min_timestamp),
                     str(learnblock.max_timestamp),
-                    str(learnblock.relatives),
+                    "{:^20}".format(str(learnblock.relatives)),
                     str(learnblock.n_cluster),
                     str(learnblock.feature_count),
+                    "{:<100}".format(str(learnblock.origin))
                 ])
             )
         return reduced_learnblock
diff --git a/cml/domain/construction.py b/cml/domain/construction.py
index e18032d4a779e1e9847576631caed178650101ca..c39b8484589018edef59e1d5690b8cf06689c1fb 100644
--- a/cml/domain/construction.py
+++ b/cml/domain/construction.py
@@ -18,9 +18,10 @@ def log_construction(func):
                         str(complete_learnblock.length),
                         str(complete_learnblock.min_timestamp),
                         str(complete_learnblock.max_timestamp),
-                        str(complete_learnblock.relatives),
+                        "{:^20}".format(str(learnblock.relatives)),
                         str(complete_learnblock.n_cluster),
-                        str(complete_learnblock.feature_count)
+                        str(complete_learnblock.feature_count),
+                        "{:<100}".format(str(complete_learnblock.origin))
                     ]))
 
             yield complete_learnblock
diff --git a/cml/domain/data_source.py b/cml/domain/data_source.py
index c877ae19febc2205ada345fc7c5ee3d98a298b60..b666d6f30a75450d6cd875da0af7cdd2bc9b4b73 100644
--- a/cml/domain/data_source.py
+++ b/cml/domain/data_source.py
@@ -21,7 +21,7 @@ def log_learnblock_processing(func):
                         str(learnblock.length),
                         str(learnblock.min_timestamp),
                         str(learnblock.max_timestamp),
-                        str(learnblock.relatives),
+                        "{:^20}".format(str(learnblock.relatives)),
                     ])
                 )
             yield learnblock