PRAGMA 20^th Workshop cum HKU Centennial IT Conference on Grid Applications and Research collaboration was held in Hong Kong and hosted by Computer Centre, The University of Hong Kong on March 2-4, 2011. It is not only an important event to bridge and collaborate the eResearch communities among Asia Pacific Rim, Hong Kong and Pearl River Delta region, but also a remarkable Centenary Celebration activity for The University of Hong Kong 100th anniversary.

The Organizing Committee would like to give our thanks to all involved for your support and participation in making the workshop a great success. We sincerely hope you all enjoyed the event.

The University of Hong Kong, as a leading international institution of higher learning in Asia, strives to attract and nurture outstanding scholars from around the world through excellence and innovation in teaching and learning, research and knowledge exchange, contributing to the advancement of society and the development of leaders through a global presence, regional significance and engagement with the rest of China.

The University of Hong Kong hope you enjoyed your visit to Kong Kong and that this was a fruitful workshop for all attendees. We look forward to meeting you at future PRAGMA workshops.