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| Mielipiteen louhinta× | Sentiment Analysis× | |
|---|---|---|
| Tieteenala | Tekstinlouhinta | Tekstinlouhinta |
| Menetelmäperhe | Process / pipeline | Process / pipeline |
| Syntyvuosi≠ | 2012 | — |
| Kehittäjä≠ | Bing Liu | — |
| Tyyppi≠ | NLP information-extraction task | NLP text-classification task |
| Alkuperäislähde≠ | Liu, B. (2012). Sentiment Analysis and Opinion Mining. Morgan & Claypool. DOI ↗ | Pang, B. & Lee, L. (2008). Opinion Mining and Sentiment Analysis. Foundations and Trends in Information Retrieval, 2(1-2), 1-135. DOI ↗ |
| Rinnakkaisnimet | aspect-based sentiment analysis, opinion extraction, Görüş Madenciliği (Opinion Mining) | opinion mining, polarity detection, duygu analizi |
| Liittyvät | 3 | 3 |
| Tiivistelmä≠ | Opinion mining is a natural-language-processing task that systematically extracts and analyses user opinions about a product, service, or topic — identifying the specific features (aspects) being discussed, the sentiment expressed toward each, and the opinion holders. Consolidated by Bing Liu (2012), it goes beyond a single document-level label to produce structured aspect–opinion–holder records. | 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. |
| ScholarGateAineisto ↗ |
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