Media type: E-Article Title: The Hourglass Model Revisited Contributor: Susanto, Yosephine; Livingstone, Andrew G.; Ng, Bee Chin; Cambria, Erik imprint: Institute of Electrical and Electronics Engineers (IEEE), 2020 Published in: IEEE Intelligent Systems Language: Not determined DOI: 10.1109/mis.2020.2992799 ISSN: 1541-1672; 1941-1294 Origination: Footnote: