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| Anàlisi de sentiments semisupervisada× | Model de temes LDA× | |
|---|---|---|
| Camp | Aprenentatge profund | Aprenentatge profund |
| Família | Machine learning | Machine learning |
| Any d'origen≠ | 2002–2008 | 2003 |
| Autor original≠ | Zhu, X.; Pang, B. & Lee, L. (foundational works) | Blei, D. M., Ng, A. Y., & Jordan, M. I. |
| Tipus≠ | Semi-supervised classification | Probabilistic generative topic model |
| Font seminal≠ | Zhu, X. (2005). Semi-Supervised Learning Literature Survey. Technical Report 1530, Computer Sciences, University of Wisconsin-Madison. link ↗ | Blei, D. M., Ng, A. Y., & Jordan, M. I. (2003). Latent Dirichlet Allocation. Journal of Machine Learning Research, 3, 993–1022. link ↗ |
| Àlies | SSSA, semi-supervised opinion mining, label-propagation sentiment classification, self-training sentiment analysis | LDA, Latent Dirichlet Allocation, LDA Topic Modeling, Dirichlet Topic Model |
| Relacionats≠ | 4 | 5 |
| Resum≠ | Semi-supervised sentiment analysis combines a small set of manually labeled text samples with a large pool of unlabeled text to train opinion classifiers. By propagating sentiment signals from labeled seeds to unlabeled data through self-training, label propagation, or consistency regularization, the approach achieves competitive accuracy without the cost of labeling large corpora. | Latent Dirichlet Allocation (LDA) is a probabilistic generative model introduced by Blei, Ng, and Jordan in 2003 that discovers hidden thematic structure in large text collections by representing each document as a mixture of latent topics and each topic as a probability distribution over vocabulary words. |
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