There are multiple definitions:
linear discriminant analysis(English)
length-dependent activation(English)
latent Dirichlet allocation(English)
- a three-level hierarchical Bayesian model, in which each item of a collection is modeled as a finite mixture over an underlying set of topics
 - Machine learning, Statistics
 - https://jmlr.or…03a/blei03a.pdf
 - https://doi.org…pen-2020-039759
 
low dose aspirin(English)
- LMWH therapy is more effective in improving the live birth rate when given after ovulation than after pregnancy confirmation
 - BPL, LMWH, RM
 - Pregnancy, Preventive medicine
 - https://doi.org…Lab.2019.190637