The conference will take place in the Simard Building (just behind the Arts Building at 70 Laurier Ave. East) at the University of Ottawa. The room will be 129. Here is a campus map (search for the Simard Building).
It is possible to take a direct bus from the train station (VIA Rail): Bus 95. It takes approx. 15 min. total. Get off at the Laurier bus stop.
Information about public transport in Ottawa (OC Transpo) can be found here (including a travel planner).