D3js, Clustering, Naturallanguageprocessing, Machine Learning, Topic Modeling.
(2017)The Beginner’s Guide to Text Vectorization https://monkeylearn.com/blog/beginners-guide-text-vectorization/ van der Maaten, Laurens; Postma, Eric; van den Herik, Jaap (2009) Dimensionality Reduction: A Comparative Review