To attend this workshop, you need to register for PAKDD 2013 and then ask for an invitation letter from PAKDD chairs. There is no separate registration for this workshop only.
Please follow the instructions on webpages "PAKDD Registration" and "Visa Information" at the PAKDD 2013 website for registration, invitation letters and visa.
Enquiries and questions about registration and invitation letters should go to the contacts provided in the above two webpages of PAKDD 2013. Sorry that we, as DMApps workshop chairs, do not look after registration or invitation letters.