training data freeze

Bo Liu

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Jun 9, 2021, 11:40:45 AM6/9/21

to recsys-challenge2021

Hi,

When will the training data be froze? Currently there are 202 parts in the training data. Is this final version, or will there be more removed IDs? I want to wait for the frozen version to train my final models.

Thanks,

Bo

Alexandre Lung-Yut-Fong

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Jun 10, 2021, 3:29:56 AM6/10/21

to Bo Liu, recsys-challenge2021

Hi,

Twitter is legally required to keep updating the dataset so as to remove data related to deleted tweets or users, so we're not going to freeze the dataset during the challenge.

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Bo Liu

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Jun 11, 2021, 9:44:59 AM6/11/21

to recsys-challenge2021

Hi Alexandre,

Could we know when will the last update before competition deadline be?

It would take some time to download and preprocess all data, and train final models. Hence, it would be unrealistic to update the data very close to (say 1-2 days before) deadline and expect teams to use it.