Visa Information

If you need a support letter for funding (e.g. letter of acceptance), please contact with Ki-Joune Li, general co-chair via e-mail (

If you need a visa support letter for VISA to Hong Kong, please fill in the online form at ( ). After you fill in the online form, we will verify your information given and will send a visa support letter to you. If you do not receive any email from us after a week, please contact Raymond Chi-Wing Wong via e-mail ( Attendees must be registered in order to request a visa support letter.
For those people who could not access the online form (due to some internet access restriction) (e.g., participants from China), please send an email titled with "SSTD15: HK Visa Support Letter Application" to Raymond Chi-Wing Wong via e-mail ( with the following information.
(You don't need to send the following information if you can access the online form and have submitted your information in the online form.)

  • Name
  • Affiliation
  • Email
  • Date of Birth (DD/MM/YYYY)
  • Your passport/ID Number
  • Confirmation Number of SSTD Registration
  • Postal Address
  • Phone Number
  • Nationality
  • Do you want to receive the visa support letter from us via email? (Yes/No)
  • Do you want to receive the visa support letter from us via postal mail? (Yes/No)
  • Title of Accepted Paper (if any)
  • Author List of Accepted Paper (if any)

Sponsors (*Sponsorship Package)


Realtimetech co.

Pusan National University





Gaia3D Inc.

QBS System Limited

Research Institute of Computers, Information, and Communication
Pusan National University


LNCS, Springer


Korea Spatial Information Society

KIISE Database Society of Korea