diff --git a/demo/rank/runexp.sh b/demo/rank/runexp.sh
index cb15f1dd0..fc751a69d 100644
--- a/demo/rank/runexp.sh
+++ b/demo/rank/runexp.sh
@@ -1,11 +1,17 @@
-python trans_data.py train.txt mq2008.train mq2008.train.group
+#Download the dataset from web site
+wget http://research.microsoft.com/en-us/um/beijing/projects/letor/LETOR4.0/Data/MQ2008.rar
 
-python trans_data.py test.txt mq2008.test mq2008.test.group
+#please first install the unrar package
+unrar x MQ2008
 
-python trans_data.py vali.txt mq2008.vali mq2008.vali.group
+python MQ2008/Fold1/trans_data.py train.txt mq2008.train mq2008.train.group
+
+python MQ2008/Fold1/trans_data.py test.txt mq2008.test mq2008.test.group
+
+python MQ2008/Fold1/trans_data.py vali.txt mq2008.vali mq2008.vali.group
 
 ../../xgboost mq2008.conf
 
 ../../xgboost mq2008.conf task=pred model_in=0002.model
 
-../../xgboost mq2008.conf task=dump model_in=0002.model name_dump=dump.raw.txt
\ No newline at end of file
+../../xgboost mq2008.conf task=dump model_in=0002.model name_dump=dump.raw.txt
diff --git a/demo/rank/train b/demo/rank/train
deleted file mode 100644
index e69de29bb..000000000