Complex sentence: Traction is a hypertext platform built to support working communication within and between group and is modeled on Doug Engelbart's On-Line_System (the first hypertext journaling system) and influenced by the work of other hypertext pioneers including Andy_van_Dam's HES and Ted_Nelson's Xanadu.
Split into simpler sentences: Traction is a hypertext platform built to support working communication within and between groups. It was modeled after Doug Engelbart's On-Line_System (the first hypertext journaling system) and the work of other hypertext pioneers including Andy_van_Dam's HES and Ted_Nelson's Xanadu.