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  • Thesis defence: Katarina Heimann M├╝hlenbock - I see what you mean

Thesis defence: Katarina Heimann M├╝hlenbock - I see what you mean

EVENT

Katarina Heimann Mühlenbock will defend her PhD thesis: I see what you mean - Assessing readability for specific target groups

Opponent: Eleni Miltsakaki (University of Pennsylvania)

Abstract:

This thesis aims to identify linguistic factors that affect readability and text comprehension, viewed as a function of text complexity. Features at various linguistic levels suggested in existing literature are evaluated, including the Swedish readability formula LIX. Natural language processing methods and resources are employed to investigate characteristics that go beyond traditional superficial measures. A comparable corpus of eay-to-read and ordinary texts from three genres is investigated, and it is shown how features present at various levels of representation differ quantitatively across text types and genres. The findings are confirmed in significance tests as well as principal component analysis. Three machine learning algorithms are employed and evaluated in order to build a statistical model for text classification. The results demonstrate that a proposed language model for Swedish (SVIT), utilizing a combination of linguistic features, actually predicts text complexity and genre with a higher accuracy than LIX. It is suggested that the SVIT language model should be adopted to assess surface language properties, vocabulary load, sentence structure, idea density levels as well as the personal interests of different texts. Specific target groups of readers may then be provided with materials tailored to their level of proficiency.

Full text at GUPEA.

Date: 2013-04-26 10:15 - 13:00

Location: Stora h├Ârsalen, Humanisten, Renstr├Âmsgatan 6

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Page updated: 2013-04-04 14:32

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