HCOMP-21 Registration


The Ninth AAAI Conference on Human Computation and Crowdsourcing
November 14–18, 2021

Online registration is available at https://aaaiconf.cventevents.com/hcomp21

The HCOMP-21 technical conference registration fee includes admission to all prerecorded and interactive technical sessions, CrowdCamp, and access to the electronic version of the HCOMP-21 Conference Proceedings. While registration will remain open after the early registration deadline, we encourage all to register by October 15 to facilitate organizational planning.

HCOMP-21 Registration Fees

Early Registration Deadline: October 15


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

Registration / Proof of Student Status

To register online, please complete the form at https://aaaiconf.cventevents.com/hcomp21. Students will be required to submit proof of student status during the registration process.

Refund Requests

The deadline for refund requests is October 22, 2021. All refund requests must be made in writing to AAAI at hcomp21@aaai.org. A $50.00 processing fee will be assessed for all technical program refunds.


We welcome everyone who is interested in crowdsourcing and human computation to:

  • Join crowd-hcomp Google Group (mailing list) to post and receive crowdsourcing and human computation email announcements (e.g., calls-for-papers, job openings, etc.) including updates here about the conference. To subscribe send an email to crowd-hcomp+subscribe@googlegroups.com.
  • Check our Google Group webpage to view the archive of past communications on the HCOMP mailing list.
  • Keep track of our twitter hashtag #HCOMP2024.
  • Join the HCOMP Slack Community to be in touch with researchers, industry players, practitioners, and crowd workers around Human Computation and relevant topics.