To register for the challenge, simply send an email to . Please specify if you are interested in the Arabic tasks or the English tasks or both. Feel free contact us at this address with any other queries.

Announcements to participants will be sent to a dedicated mailing list, which you can sign up for at

You can download the MGB-2 here.

You can download the MGB-3 here.

You can download the MGB-5 here.

Due to ongoing licensing issues we are unfortunately unable to supply the MGB-1 data set to any new participants. We plan to release a new data set for a new version of the MGB-1 challenge.