CAA 2018 conference will be organised in Tübingen, Germany. The web site has gone live at http://2018.caaconference.org/ giving you the information you need of the conference.
The call for sessions will be open between now and September 3, 2017.
You can find out more and log in your session proposal at http://2018.caaconference.org/2017/07/14/call-sessions-open/