Crowdsourcing Module part 2 (Crossword app)
Developed by: Roberto Navigli, Federico Martelli, Marzia Riso, Antonio Musolino and many others, with contributions from the Babelscape Sapienza spinoff company (http://babelscape.com).
License: CC-BY-SA-NC 4.0 https://creativecommons.org/licenses/by-nc-sa/4.0/