The accommodation solutions reported in the following list are all close to the conference venue.
ABITART HOTEL (****)
Via Pellegrino Matteucci ,10/12
OLY HOTEL (****)
Via Santuario Regina degli Apostoli, 36
CASA PER FERIE - VILLA BENEDETTA
Via della Moletta, 10
HOTEL AREA ROMA (****)
Via del Forte Ostiense, snc
HOTEL SAINT PAUL (****)
Via Vito Volterra, 43
TRILUSSA PALACE HOTEL CONGRESS (****)
Piazza Ippolito Nievo, 25
As the conference venue is served by bus lines and Metro B line, several different hotels (connected by these transportation services) could be of interest. A suggestion could be to look for accommodation in the well-served Monti area, near metro stop Cavour.