Identifiability Challenges in Topic Modeling: A Review of NMF and Related Algorithms
Published:Dec 25, 2025 06:41
•1 min read
•ArXiv
Analysis
This ArXiv article provides a valuable review of several latent variable models, highlighting the critical issue of identifiability. Addressing identifiability is crucial for the reliability and interpretability of these models in various applications.
Key Takeaways
Reference
“The article focuses on the identifiability issue within NMF, PLSA, LBA, EMA, and LCA models.”