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	Lexical Substitution	Detekcia parafráz
Odbor	Dolovanie textu	Dolovanie textu
Rodina	Process / pipeline	Process / pipeline
Rok vzniku	2007	—
Tvorca	McCarthy & Navigli (SemEval shared task, 2007/2009)	—
Typ	NLP lexical-level text transformation	NLP sentence-pair classification task
Pôvodný zdroj	McCarthy, D. & Navigli, R. (2009). The English Lexical Substitution Task. Language Resources and Evaluation, 43(2), 139-159.	Dolan, W. B. & Brockett, C. (2005). Automatically Constructing a Corpus of Sentential Paraphrases. Proceedings of the Third International Workshop on Paraphrasing (IWP).
Ďalšie názvy	sözcüksel ikame, Sözcüksel İkame (Lexical Substitution), context-aware synonym replacement, word-level paraphrasing	Parafroz Tespiti (Paraphrase Detection), paraphrase identification, semantic equivalence detection
Príbuzné	4	4
Zhrnutie	Lexical 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.	Paraphrase detection is a natural-language-processing task that decides whether two sentences expressed in different wordings carry the same meaning. The task and its benchmark resources were established by Dolan and Brockett (2005), and it underpins plagiarism detection, question matching, and data deduplication.