Código QR (código de barras bidimensional)

Quality indices for topic model selection and evaluation: a literature review and case study

Abstract Background Topic models are a class of unsupervised machine learning models, which facilitate summarization, browsing and retrieval from large unstructured document collections. This study reviews several methods for assessing the quality of unsupervised topic models estimated using non-neg...

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Principais autores: Christopher Meaney, Therese A. Stukel, Peter C. Austin, Rahim Moineddin, Michelle Greiver, Michael Escobar
Formato: Artigo
Idioma:Inglês
Publicado em: BMC 2023-07-01
coleção:BMC Medical Informatics and Decision Making
Assuntos:
Non-negative matrix factorization
Topic model
Internal validation
Cross-validation
Stability analysis
Clinical text data
Acesso em linha:https://doi.org/10.1186/s12911-023-02216-1
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