XMAS VI
  XMAS V
 
    Jan 9th to 12th, 2023
    1200 attendees from 35 countries and regions
    6 Keynote Speakers
30 Sessions, 3 Workshops, 1 Town Hall and 1 Tutorials
    Jan 11th to 14th, 2021
    7200 attendees online and in person from 40 countries and regions
    6 Keynote Speakers
1 Special Forum
 
  XMAS IV
  XMAS III
 
    Jan 6th to 9th, 2019
    890 participants from 24 countries and regions
    5 Keynote & Invited Speakers
    33 sessions and 4 workshops
   

Jan 9th to 11th, 2017
    620 participants from more than 140 institutions across 21 countries and regions
    5 Keynote & Invited Speakers
    4 General Sessions, 9 Special Sessions and 2 Workshops
 
  XMAS II
  XMAS I
 
   

Jan 7th to 9th, 2015
   

500 participants from about 100 institutions all over the world
    5 Keynote & Invited Speakers
    4 General Sessions, 1 Student Session and 2 Workshops
   

Jan 9th to 11th, 2014
   

270 participants from 5 countries and regions joined the event
    35 Invited Guests
    6 Tentative Sessions, 1 Student Session and 1 Special Session