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Authorship Attribution of Poetic Texts
Plecháč, Petr ; Cvrček, Václav (advisor) ; Milička, Jiří (referee) ; Mačutek, Ján (referee)
Title: Authorship Attribution of Poetic Texts Author: Mgr. Petr Plecháč, Ph.D. Department: Institute of Czech National Corpus Supervisor: doc. Mgr. Václav Cvrček, Ph.D. ABSTRACT Contemporary stylometry offers a number of methods for authorship recognition of po- etic texts based on a variety of textual features (e.g. word frequencies, frequencies of character n-grams). However, it seems that one important aspect of these texts has been rather left aside - this aspect is versification. The thesis uses four corpora of poetic texts (Czech, German, Spanish, and English) in order to analyze to what extent versification features - such as frequencies of rhythmic patterns or frequencies of various types of rhymes - may be used as an indicator of authorship. We show that (1) versification-based models significantly outperform the random baseline, (2) in some cases versification- based models even outperform the traditionally used lexical models, (3) in most of the cases combination of both types of models outperforms the given models alone. Versifi- cation features are consequently employed for the purpose of attribution of two texts of doubted authorship: (1) the versified play The Famous History of the Life of King Henry the Eigth which was originally published under the name of William Shakespeare, but where...
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