Your favourite booking site will show you a number of accommodation options, but some which might be worth considering are listed here.
Located very close to the meeting venue, inexpensive. Bookable also via booking.com.
Very conveniently located near the railway and also near buses 12 and 20, which will take you to the University.
Inexpensive hotel near the railway station
and also near buses 12 and 20, which will take you to the University.
The hotel nearest the meeting venue, 17 min walking (Google maps). However, not located near anything else.