There are plenty of Hotels in Torino, especially in the center of the city. You can look on booking.com or any other web site to find good deals.
In the following you will find a list of some hotels used by guests of Torino University & INFN. Such hotels are within walking distance from the meeting venue.
See the map here.
BW Plus HOTEL GENOVA ****
Via Sacchi, 14/b
Tel. 011/5629400
https://www.albergogenova.it
BW HOTEL GENIO ***
C.so Vittorio Emanuele II, 47
Tel. 011/6505771 fax 011/6508264
https://www.hotelgenio.it
HOTEL LANCASTER ****
C.so Filippo Turati, 8
Tel. 011/5681982
http://www.lancasterhoteltorino.com
HOTEL GIOTTO ***
Via Giotto, 27
Tel. 011/6637172
http://www.hotelgiottotorino.com
HOTEL PLAZA ***
Via Petitti, 18
Tel. 011/6632424
http://www.hotelplazatorino.it
HOTEL URBANI ***
Via Saluzzo, 7
Tel. 011/6699047
http://www.hotelurbani.it
HOTEL EDEN **
Via Donizetti, 22
Tel. 011/6699545
http://www.hoteledentorino.it