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Podstawienie leksykalne×Analiza sentymentu×
DziedzinaEksploracja tekstuEksploracja tekstu
RodzinaProcess / pipelineProcess / pipeline
Rok powstania2007
TwórcaMcCarthy & Navigli (SemEval shared task, 2007/2009)
TypNLP lexical-level text transformationNLP text-classification task
Źródło pierwotneMcCarthy, D. & Navigli, R. (2009). The English Lexical Substitution Task. Language Resources and Evaluation, 43(2), 139-159. link ↗Pang, B. & Lee, L. (2008). Opinion Mining and Sentiment Analysis. Foundations and Trends in Information Retrieval, 2(1-2), 1-135. DOI ↗
Inne nazwysözcüksel ikame, Sözcüksel İkame (Lexical Substitution), context-aware synonym replacement, word-level paraphrasingopinion mining, polarity detection, duygu analizi
Pokrewne43
PodsumowanieLexical substitution is a natural-language-processing task — formalised by McCarthy and Navigli through the SemEval shared task series starting in 2007 — that replaces a target word in a sentence with a semantically equivalent alternative that preserves the meaning of the surrounding context. It draws on synonym resources such as WordNet or on distributional word embeddings and masked language models to generate and rank candidate replacements, and is used for text robustness testing, style adaptation, and training-data augmentation.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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ScholarGatePorównaj metody: Lexical Substitution · Sentiment Analysis. Pobrano 2026-06-18 z https://scholargate.app/pl/compare