Lin, Christopher, Ece Kamar, and Eric Horvitz. “Signals in the Silence: Models of Implicit Feedback in a Recommendation System for Crowdsourcing”. Proceedings of the AAAI Conference on Artificial Intelligence 28, no. 1 (June 21, 2014). Accessed May 24, 2024. https://ojs.aaai.org/index.php/AAAI/article/view/8841.