The Call for papers for the RC21 Conference in Antwerp next July is now open. We have more than 80 different sessions, with different research topics. We hope you send a paper proposal and we can meet in Antwerp. The deadline for abstract submission is March 15th. In the Conference website you will find information on the sessions and the procedure for abstracts submission. Abstracts must be sent through the following online abstract submission module. the selection of the abstracts will be done by the session organisers. They will contact you from the 15th of April onwards to let you know whether your abstract is selected or not. Please contact the session organisers directly with queries about the selection of abstracts and other session-related issues. We hope to meet you in Antwerp next summer!