Terms of use
All openly available data and collections should come with terms of use, as it is possible for open data to be harvested and computed over by users, even if it was not intentionally made available for computational access. The terms of use are a guide for users who wish to collect and compute over the material made available. As Krotov and Silva argue, if no terms of use are available, the scraping of sensitive or copyrighted material is left to the discretion of the user.
Here are some examples of terms of use:
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The National Archives (UK)– this document also addresses web crawlers and bulk downloads.
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The University of Edinburgh – information on copyright and e-resources that explicitly includes data miningand text mining.