diff --git a/pig-twt-e1.pig b/pig-twt-e1.pig
new file mode 100644
index 0000000000000000000000000000000000000000..2335567784bfec24e49eac727a7a84b568c28d7b
--- /dev/null
+++ b/pig-twt-e1.pig
@@ -0,0 +1,13 @@
+dataset = LOAD '/laboratory/twitter-small.txt' AS (id: long, fr: long);
+
+-- TODO: check if user IDs are valid (e.g. not null) and clean the dataset
+B = FILTER dataset BY (id>0);
+
+-- TODO: organize data such that each node ID is associated to a list of neighbors
+C = FOREACH B GENERATE fr;
+
+D = GROUP C BY fr;
+
+friends = FOREACH D GENERATE group, COUNT(C);
+
+STORE friends INTO '/twitter/results-e1';
diff --git a/pig-twt-e1.pig~ b/pig-twt-e1.pig~
new file mode 100644
index 0000000000000000000000000000000000000000..c0a84371e46061ee02498af6a8a4990e7738a026
--- /dev/null
+++ b/pig-twt-e1.pig~
@@ -0,0 +1,13 @@
+dataset = LOAD '/laboratory/twitter-small.txt' AS (id: long, fr: long);
+
+-- TODO: check if user IDs are valid (e.g. not null) and clean the dataset
+B = FILTER dataset BY (id>0);
+
+-- TODO: organize data such that each node ID is associated to a list of neighbors
+C = FOREACH B GENERATE fr;
+
+D = GROUP C BY fr;
+
+friends = FOREACH D GENERATE group, COUNT(C);
+
+STORE friends INTO '/twitter/results1';
diff --git a/pig-twt-e2.pig b/pig-twt-e2.pig
new file mode 100644
index 0000000000000000000000000000000000000000..d59d1cc01ed0037dfb5f8ea03940165f13c082ed
--- /dev/null
+++ b/pig-twt-e2.pig
@@ -0,0 +1,15 @@
+dataset = LOAD '/laboratory/twitter-small.txt' AS (id: long, fr: long);
+
+-- TODO: check if user IDs are valid (e.g. not null) and clean the dataset
+B = FILTER dataset BY (id>0);
+
+-- TODO: organize data such that each node ID is associated to a list of neighbors
+C = FOREACH B GENERATE id;
+
+D = GROUP C BY id;
+
+friends = FOREACH D GENERATE group, COUNT(C) AS count;
+
+friends2 = FILTER friends BY (count > 2)
+
+STORE friends2 INTO '/twitter/results-e2';
diff --git a/pig-twt-e2.pig~ b/pig-twt-e2.pig~
new file mode 100644
index 0000000000000000000000000000000000000000..184fddcfd89cff06c604f6d08807861f1c4c7038
--- /dev/null
+++ b/pig-twt-e2.pig~
@@ -0,0 +1,15 @@
+dataset = LOAD '/laboratory/twitter-small.txt' AS (id: long, fr: long);
+
+-- TODO: check if user IDs are valid (e.g. not null) and clean the dataset
+B = FILTER dataset BY (id>0);
+
+-- TODO: organize data such that each node ID is associated to a list of neighbors
+C = FOREACH B GENERATE id;
+
+D = GROUP C BY id;
+
+friends = FOREACH D GENERATE group, COUNT(C) AS count;
+
+friends2 = FILTER friends BY (count > 2)
+
+STORE friends2 INTO '/twitter/results1';
diff --git a/pig-twt.pig b/pig-twt.pig
index 54c8b86f85aa721616f3aeefeab2627df1825a37..9af9fc4c8ebb3ffb6b50b06177a1d664509dbc0e 100644
--- a/pig-twt.pig
+++ b/pig-twt.pig
@@ -10,4 +10,4 @@ D = GROUP C BY id;
 
 friends = FOREACH D GENERATE group, COUNT(C);
 
-STORE friends INTO '/twitter/results';
+STORE friends INTO '/twitter/results1';
diff --git a/pig-twt.pig~ b/pig-twt.pig~
index cf8863c2669afcdbfadc1757ca2c698a0d373192..54c8b86f85aa721616f3aeefeab2627df1825a37 100644
--- a/pig-twt.pig~
+++ b/pig-twt.pig~
@@ -1,4 +1,4 @@
-dataset = LOAD 'tw.txt' AS (id: long, fr: long);
+dataset = LOAD '/laboratory/twitter-small.txt' AS (id: long, fr: long);
 
 -- TODO: check if user IDs are valid (e.g. not null) and clean the dataset
 B = FILTER dataset BY (id>0);
@@ -10,4 +10,4 @@ D = GROUP C BY id;
 
 friends = FOREACH D GENERATE group, COUNT(C);
 
-STORE friends INTO './local-output/OSN/twc/';
+STORE friends INTO '/twitter/results';