| 摘要 |
PROBLEM TO BE SOLVED: To provide a text summarization device capable of generating an appropriate summary corresponding to an input text at a low cost.SOLUTION: A microblog collection part 22 collects texts describing an input text from a microblog site. A partial collection selection part 26 selects, on the basis of the collected texts, a partial collection in which a score of the partial collection calculated using frequencies of words that are contained in the partial collection, appearing in each of the collected texts, is maximized and that has the length of an upper limit K or less of prescribed length, from each of partial collections obtained from a collection of sentences included in the input text. A summary generation part 28 connects sentences contained in the selected partial collections to generate a summary corresponding to the input text. |
