Maier, D., Niekler, A., Wiedemann, G. and Stoltenberg, D. (2020) “How Document Sampling and Vocabulary Pruning Affect the Results of Topic Models”, Computational Communication Research (old website), 2(2), pp. 139–152. Available at: http://bubble.labs.vu.nl/ccr/article/view/32 (Accessed: 12 June 2025).