dm.cs.tu-dortmund.de/en/mlbits/topic-modeling-lsi/
Latent Semantic Indexing – Lecture Notes
\nolimits _k \underbrace{ \theta _{i,k} }_{\mathclap {\text{``topic distribution'' of document $i$}}} = 1 \end{align*}\]
Every word \(w_{i,j}\) is drawn from one of the documents’ topics:
\[\begin{align*} P(w_{i [...] semantic analysis. JASIS . 41, 6 (1990), 391–407. DOI: 10.1002/(SICI)1097-4571(199009)41:6<391::AID-ASI1>3.0.CO;2-9
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Furnas, G.W., Deerwester, S.C., Dumais, S.T., Landauer, T.K., Harshman, R.A. …