Note that the rooms reserved by Marriott have been released, i.e. the booking link below does not work any more. You can still contact the hotel directly and ask for the special conference rate.
A block of rooms has been reserved for conference attendees at the Pairing 2012 venue. Single rooms can be booked at a special rate of € 119,- per night for two nights starting 16 May 2012.
Please make your arrangements directly with Marriott and use the following booking link. The booking page shows the special conference rate and a group code for bookings related to Pairing 2012.
For those who arrive earlier than May 16 or wish to stay longer than May 18, please contact the hotel directly for arranging your booking.
There is a range of differently priced hotels in Cologne's city center, even within walking distance to the conference venue. You can use the KölnTourismus accomodation page or the koeln.de hotel search to find a suitable room. Also check out hotels-in-cologne.