| 摘要 |
The present invention relates to an abstract generation method of generating an abstract from document information, such as an electronic patient chart, and a program product that implements the abstract generation method, and has an object to make it possible to display only main parts of sentences concisely and effectively. When document information (electronic patient chart, for instance) is inputted into a system, morphological analysis is performed on the document information and it is judged whether a part of a sentence matches the whole of another sentence. When a matching result is obtained, a partially matching character string is set as a simplified sentence candidate. On the other hand, when a matching result is not obtained, the sentence is set as a simplification candidate as it is. Note that even when the partially matching result is obtained, when the number of characters of the matching character string is less than M or when the number of morphemes thereof is less than N, the partially matching character string is not set as the simplified sentence candidate but the sentence is set as the simplification candidate as it is. Next, each simplification candidate containing a keyword is extracted from among generated simplification candidates and is set as a summary candidate. Then, an abstract is generated by marking each part of the input document corresponding to the summary candidate.
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