Writing support for revising texts based on discourse analysis

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In this research project, we developed a technique of supporting to revise texts for writing persuasive and informative texts. We first proposed a procedure for revising a text from a discourse perspective. Following the procedure six revisers who have enough experience in either teaching Japanese or scoring Japanese essays revised 120 Japanese essays written by Japanese native speakers. We then decomposed the text revision task into the following three subtasks: (1) evaluating text coherence, (2) reordering discourse units in a text and (3) modifying expressions for improving local coherence. We achieved supporting text revision by automatically solving each subtask.