Robuta

https://pubmed.ncbi.nlm.nih.gov/26526221/
Latent variable mixture modeling represents a flexible approach to investigating population heterogeneity by sorting cases into latent but non-arbitrary...
latent variablemixture modelingpsychiatric researchreview
https://aclanthology.org/O95-1005/
Kenji Kita, Tatsuya Iwasa. Proceedings of Rocling VIII Computational Linguistics Conference VIII. 1995.
context free grammarlanguage modelingprobabilisticbasedmixture