[Apologies if you received multiple copies of this email] Dear participants, We are delighted to invite you to the *award ceremony of the Graph Neural Networking challenge 2021*, which will be held online on *Friday, November 12 between 14.00–15.30 CET*. Please save the date and feel free to forward this invitation to any colleagues that may be interested. In this event, top-5 teams will present their solutions, and all of you will have the opportunity to ask questions and learn more about these solutions. This will be the agenda (1h 30 mins): 0:00-0:20: Introduction and award announcements (BNN team) 0:20-1:20: Presentations of the top-5 solutions 1:20-1:30: Closing Please, find the Zoom details below: https://us02web.zoom.us/j/81883789056?pwd=cnF4TnJhTlZ2WlVXRTRnS2FZQXBzZz09 Meeting ID: 818 8378 9056 Passcode: 581662 Phone one-tap: +12532158782,,81883789056#,,,,*581662# Estados Unidos (Tacoma) +13017158592,,81883789056#,,,,*581662# Estados Unidos (Washington DC) Looking forward to seeing you there. By the way, for those that may be interested, we have released a version of the test dataset including the labels. You can find it at this link: https://bnn.upc.edu/challenge/gnnet2021/dataset Best regards, José Suárez-Varela Postdoctoral researcher Barcelona Neural Networking center Universitat Politècnica de Catalunya