On-line registration is open at

During the registration you can make a hotel reservation for one of the hotels indicated on this map.

Registration fees

Early registration (on or before May 10)
ACM and/or SIGWEB member: 400 euro
non-member: 500 euro
student: 200 euro
Late registration (after May 10)
ACM and/or SIGWEB member: 450 euro
non-member: 550 euro
250 euro
On-site or after May 29
ACM and/or SIGWEB member: 500 euro
non-member: 600 euro
student: 300 euro

Registration includes all conference activities, *including the workshop/tutorial day*.

People who wish to attend only a workshop and not the conference should contact the conference organization at wsinfsys(at) You cannot register for only the workshop day through the conference registration site but should do this directly with the organizers. There is a 100 euro fee for attending just the workshop day. The organizer (at wsinfsys(at) will provide details about payment. Note that single-day registration is not possible for any day other than the workshop day.

PhD students of the research school SIKS should request to be billed (not pay by credit card) and indicate in the "comment" field that they are a SIKS PhD student. SIKS will pay the registration fee of 200 euro for all SIKS PhD students.