Online registration is available at

The ICWSM-16 technical conference registration fee includes admission to all technical sessions, invited talks, lunch each day of the main conference, the opening reception, the poster/demo reception, and access to the electronic version of the ICWSM-16 Conference Proceedings.

Registration Fees (all in USD)

(by April 1)
(by April 22)
(after April 22)
AAAI Member 550$ 590$ 650$
AAAI Student Member 310$ 345$ 390$
Nonmember 655$ 695$ 750$
Student Nonmember 360$ 395$ 440$

Silver Membership

Includes discounted conference registration, plus a one-year online new membership in AAAI.

(by April 1)
(by April 22)
(after April 22)
Regular Silver 649$ 689$ 749$
Student Silver 359$ 394$ 439$

Workshop/Tutorial Day Fee

ICWSM-16 workshops and tutorials will be held May 17, just prior to the technical conference. The Workshop/Tutorial Day fee includes participation in any combination of workshops and/or tutorials on May 17. Participants should not sign up for concurrent events, so please consult the schedule carefully before making your selections. There is no additional fee for Workshop 9, the Science Slam.
Tutorial Information:
Workshop Information:

Workshop / Tutorial fees:
Regular 100$
Student 75$

Opening Reception Guest

The ICWSM-16 Opening Reception will be held on Wednesday, May 18. Hearty Hors d'oeuvres, wine, beer, and soft drinks will be available. Your admittance to the Opening Reception is included in your conference registration. Guests are welcome to attend for an additional fee.

Opening Reception Guest 55.00$

Poster/Demo Session Guest

The ICWSM-16 evening poster/demo session will be held Thursday, May 19. Light refreshments, and a choice of beer or soft drinks will be available. Your admittance to the Poster/Demo Session is included in your conference registration. Guests are welcome to attend for an additional fee.

Poster/Demo Session Guest 50.00$

ICWSM-16 Hard Copy Proceedings

Preregistrants may reserve a hard copy of the ICWSM-16 proceedings, which will be mailed after the conference. The preconference discounted price will be determined in early summer. Shipping and handling will be added. Individuals who select this option will be contacted regarding the final cost after the conference.

Registration / Proof of Student Status

To register online, please complete the form at If you qualify for student rates, please submit your proof of student status to AAAI by email attachment to or by fax to +1-650-321-4457.

Refund Requests

The deadline for refund requests is April 29, 2016. All refund requests must be made in writing to AAAI at A $100.00 processing fee will be assessed for all refunds.

Visa Information

Letters of invitation can be requested by accepted ICWSM-16 authors or registrants with a completed registration with payment. If you are attending ICWSM-16 and require a letter of invitation, please send the following information to

  • First/Given Name:
  • Family/Last Name:
  • Position:
  • Organization:
  • Department:
  • City:
  • Zip/Postal Code:
  • Country:
  • Email:
  • Are you an author of a paper?
  • Paper title:
  • If not accepted author, Registration Confirmation ID#:
  • Email address where the letter should be sent (if different from above):

Onsite Registration

Preregistration is strongly encouraged via the online form due to limited facilities onsite. Onsite registration will be held in the foyer of Maternushaus - Tagungszentrum des Erzbistums Köln, Kardinal-Frings-Str. 1-3, 50668 Cologne, Germany, ( All attendees must pick up their registration packets for admittance to programs.

Registration hours are scheduled for Tuesday, May 17, 8:00am - 2:00pm, and Wednesday and Thursday, 8:30am - 5:00pm, and Friday, May 20, 8:30am - 11:00am. These hours are subject to change depending on the final program.