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Policies

Refund and cancellation.

Registration fees for WSDM 2026 are not refundable. Registrations may be transferred, and the conditions are below.

Call for abstracts

Abstract submissions open on 15 October 2026. Abstract submissions are open.

Abstracts are invited for the technical sessions and the poster hall. Submissions close on 10 November 2026, with acceptances on 15 November.