Siebert-Evenstone, A. L., G. Arastoopour Irgens, W. Collier, Z. Swiecki, A. R. Ruis, and D. Williamson Shaffer. “In Search of Conversational Grain Size: Modeling Semantic Structure Using Moving Stanza Windows”. Journal of Learning Analytics, vol. 4, no. 3, Dec. 2017, pp. 123–139, doi:10.18608/jla.2017.43.7.