Workbench with Authoring Tools for Collaborative Multi-lingual Ontological Knowledge Construction and Maintenance. - Mukda Suktarachan; Dussadee Thamvijit; Sachit Rajbhandari; Daoyos Noikongka; Puwarat Pavaputanont Na Mahasarakham; Panita Yongyuth; Asanee Kawtrakul; Margherita Sini (LREC, 2008)