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Readability-Based Sentence Ranking For Evaluating Text Simplification, Sowmya Vajjala, Detmar Meurers Jan 2015

Readability-Based Sentence Ranking For Evaluating Text Simplification, Sowmya Vajjala, Detmar Meurers

English Technical Reports and White Papers

We propose a new method for evaluating the readability of simplified sentences through pair-wise ranking. The validity of the method is established through in-corpus and cross-corpus evaluation experiments. The approach correctly identifies the ranking of simplified and unsimplified sentences in terms of their reading level with an accuracy of over 80%, significantly outperforming previous results. To gain qualitative insights into the nature of simplification at the sentence level, we studied the impact of specific linguistic features. We empirically confirm that both word-level and syntactic features play a role in comparing the degree of simplification of authentic data. To carry out ...