Each record in scientographer/examples/motor_learning_open_access/data/papers.parquet reproduces
the title, author keywords and abstract of an open-access article that its authors
published under a Creative Commons Attribution (CC BY) license. The license version
(CC BY 2.0, 3.0 or 4.0) is that of the individual article, identified by the record's
DOI. Attribution for each work is given in the record itself (title, authors, journal,
year, DOI, PMCID, license); see scientographer/examples/motor_learning_open_access/data/ATTRIBUTION.md.

CC BY 4.0: https://creativecommons.org/licenses/by/4.0/legalcode
CC BY 3.0: https://creativecommons.org/licenses/by/3.0/legalcode
CC BY 2.0: https://creativecommons.org/licenses/by/2.0/legalcode
