Charbel Rahhal Hala Skaf-Molli Pascal Molli Nishadi De Silva SemCW: Semantic collaborative writing using RST. 484-493 2007 CollaborateCom http://dx.doi.org/10.1109/COLCOM.2007.4553879 conf/colcom/2007 db/conf/colcom/colcom2007.html#RahhalSMS07