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| Phân tích diễn ngôn× | Phân tích Cảm xúc× | |
|---|---|---|
| Lĩnh vực | Khai phá văn bản | Khai phá văn bản |
| Họ | Process / pipeline | Process / pipeline |
| Năm ra đời≠ | 1988 (RST); 2008 (PDTB 2.0) | — |
| Người khởi xướng≠ | Mann & Thompson (RST); Prasad et al. (PDTB) | — |
| Loại≠ | NLP discourse-structure analysis task | NLP text-classification task |
| Công trình gốc≠ | 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 ↗ |
| Tên gọi khác≠ | rhetorical structure analysis, RST parsing, PDTB parsing, Söylem Ayrıştırma (Discourse Parsing) | opinion mining, polarity detection, duygu analizi |
| Liên quan | 3 | 3 |
| Tóm tắt≠ | 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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