| 摘要 |
PROBLEM TO BE SOLVED: To more accurately extract a title representing a hierarchical structure of a document from text data corresponding to the document.SOLUTION: An information processor includes a title candidate extraction part for extracting title candidates being a text pattern to be a candidate for a title from text data corresponding to a document on the basis of a title pattern being a text pattern corresponding to a title representing a hierarchical structure of the document, and a title selection part for selecting titles among the title candidates by performing sequential number checking for confirming the sequence of the title candidates on the basis of sequence information representing the sequence of the titles included in the title candidates. |
