Conference Registration Information

Link to registration website:

The registration options include full access to the conference, meaning admission to the main conference, to all workshops, all tutorials, the Doctoral Consortium, and the Industry Day.

For questions or concerns regarding registration, please contact the organizers at:

Entry Regulations and Visa

Use the sites of the foreign ministry of Germany to determine what travel documents you require.

If you need a Visa – please note that processing times vary, but may be substantial. Please apply as early as possible! Find information and instructions here.

Visa Support Letters: ACM is able to provide visa support letters to attendees as well as authors with accepted papers, posters, or members of the conference committee.

For visa support letters, refer all requests to Please allow up to 10 business days to receive a letter. All requests are handled in the order they are received. The information below should be included with the request:

Student Travel Grant Information

The SIGIR Student Travel Grant Program provides funding for students to help cover the cost of travel and lodging to the following SIGIR-sponsored conferences: SIGIR, CIKM, CHIIR, ICTIR, JCDL and WSDM.

To be eligible, the student applicant must:

  1. be an author of a full, short, demo, or DC paper,
  2. be the one presenting the work at the conference.

The application process involves two steps:

  1. the student must submit an application, which requires the student to explain what they wish to gain from attending CHIIR 2022,
  2. independently, the academic advisor will be required to submit a statement of support.

Both application forms will be available on the SIGIR website during the live application period (information on the period will be available here).

Refunds and Cancellations Policy

Detailed information on the schedule according to which refunds are made will be available here.

Please email requests for registration fee refunds (email address will be available here).

Steinerne Brücke