. . . . . . . . "The problem addressed is a rather interesting one, giving first insights in how to adapt crowdsourcing to LDQ issues. From my point of view, I would have liked to see a more concise comparison of the two crowdsourcing approaches also with the sophisticated state-of-the-art automated tools. " . "5"^^ . . . . "2019-11-26T09:05:11+01:00"^^ . .