Endeca MDEX Engine - Documentation

MDEX Engine 6.2.1
http://docs.oracle.com/cd/E35641_01/index.html 

MDEX Engine 6.2.2
http://docs.oracle.com/cd/E28910_01/index.html

MDEX Engine 6.3.0
http://docs.oracle.com/cd/E35825_02/index.html

MDEX Engine 6.4.0
http://docs.oracle.com/cd/E38682_01/index.html

MDEX Engine 6.4.1.2
http://docs.oracle.com/cd/E48636_01/index.html

MDEX Engine 6.5.0
http://docs.oracle.com/cd/E51277_01/index.html

MDEX Engine 6.5.1
http://docs.oracle.com/cd/E55324_01/index.html