Answers are grounded in this paper and cite their sources.
Aditya Joshi, Pushpak Bhattacharyya, Mark Carman, Jaya Saraswati, Rajita Shukla. Proceedings of the 10th SIGHUM Workshop on Language Technology for Cultural Heritage, Social Sciences, and Humanities. 2016.
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Joshi et al. (2016) studied this question.