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Esamina i metodi selezionati fianco a fianco; le righe che differiscono sono evidenziate.
| Analisi della Struttura Retorica× | Analisi del Sentimento× | |
|---|---|---|
| Campo | Text mining | Text mining |
| Famiglia | Process / pipeline | Process / pipeline |
| Anno di origine≠ | 1988 (RST); 2008 (PDTB 2.0) | — |
| Ideatore≠ | Mann & Thompson (RST); Prasad et al. (PDTB) | — |
| Tipo≠ | NLP discourse-structure analysis task | NLP text-classification task |
| Fonte seminale≠ | Mann, W. C. & Thompson, S. A. (1988). Rhetorical Structure Theory: Toward a functional theory of text organization. Text, 8(3), 243-281. DOI ↗ | Pang, B. & Lee, L. (2008). Opinion Mining and Sentiment Analysis. Foundations and Trends in Information Retrieval, 2(1-2), 1-135. DOI ↗ |
| Alias≠ | rhetorical structure analysis, RST parsing, PDTB parsing, Söylem Ayrıştırma (Discourse Parsing) | opinion mining, polarity detection, duygu analizi |
| Correlati | 3 | 3 |
| Sintesi≠ | Discourse parsing is a natural-language-processing task that models the rhetorical relations between sentences and paragraphs of a text — relations such as cause, contrast, and elaboration — and represents them as a tree structure. It works within established frameworks, principally Rhetorical Structure Theory (RST), introduced by Mann and Thompson in 1988, and the Penn Discourse TreeBank (PDTB), released by Prasad and colleagues in 2008. | Sentiment analysis, also called opinion mining, is a natural-language-processing task that detects the emotional tone of text — typically classifying it as positive, negative, or neutral. It turns unstructured opinion text into structured, quantifiable polarity signals using one of three families of approaches: sentiment lexicons, trained machine-learning classifiers, or pretrained transformer models. |
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