Below you can find the list of hotels at special rates for ICTCS '09.
You should contact the hotel directly and mention ICTCS '09 and/or Politecnico.
It is recommended that the reservations be made as early as possible (several events take place in Cremona in September)

Hotel delle Arti (****), www.dellearti.com, +39 0372 23131, info@dellearti.com, (rooms have been reserved until 31st July)
Hotel Astoria (***), www.astoriahotel-cremona.it, +39 0372 461616, info@astoriahotel-cremona.it
Hotel Ibis (***), http://www.ibishotel.com/it/hotel-1558-ibis-cremona/index.shtml, +39 0372 452222, (best rates are available booking online until 7th September)
Hotel Visconti (**), www.albergovisconti.it, +39 0372 431891, info@albergovisconti.com, (if you book a room from 7th August to 7th September, please do it by e-mail, the owners are on holiday)

Cheaper accommodations:
Agriturismo Cascina Nuova, www.cascinanuova.it, +39 0372 460433, info@cascinanuova.it, (rooms and apartaments, some bycicles are available for guests)
Palazzo Cattaneo, www.palazzocattaneo.com, +39 06 8078357, info@palazzocattaneo.com, (guest rooms with three-four beds)