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Machine learningDeep learning / NLP / CV

Semiveiledetet NMF-emnemodell

Semiveiledetet ikke-negativ matrisefaktorisering (NMF) emnemodell utvider uveiledet NMF ved å inkorporere brukerdefinerte såord eller etikettbegrensninger for å styre oppdagede emner mot domene-relevante temaer. Den faktoriserer en dokument-term-matrise til tolkbare ikke-negative komponenter, samtidig som den respekterer leksikalske forhåndskunnskaper, noe som gir koherente, applikasjonsjusterte emner selv fra beskjedne korpora.

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Kilder

  1. Lee, D. D., & Seung, H. S. (2001). Algorithms for non-negative matrix factorization. Advances in Neural Information Processing Systems, 13, 556–562. link
  2. Jagarlamudi, J., Daume, H., & Udupa, R. (2012). Incorporating lexical priors into topic models. Proceedings of the 13th Conference of the European Chapter of the Association for Computational Linguistics (EACL 2012), 204–213. link

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ScholarGate. (2026, June 3). Semi-supervised Non-negative Matrix Factorization Topic Model. ScholarGate. https://scholargate.app/no/deep-learning/semi-supervised-nmf-topic-model

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ScholarGateSemi-supervised NMF Topic Model (Semi-supervised Non-negative Matrix Factorization Topic Model). Hentet 2026-06-15 fra https://scholargate.app/no/deep-learning/semi-supervised-nmf-topic-model · Datasett: https://doi.org/10.5281/zenodo.20539026