You can get a map using ISMAP. You can also use ISMAP to locate your hotel.
Nice's International airport is well-connected to all major european and non-european cities. It can can also be reached by high-speed trains (TGV) from Paris. The conference place is at 20 minute walk from the station in Nice. From the airport, city buses go to the centre of Nice. There is also a direct service by yellow bus every 20 mins, departing from the exit near the information desk (Terminal 1). Taxis to the center of nice will cost around 150F.