Countermeasure case information registration / retrieval device, keyword determination method

摘要

PROBLEM TO BE SOLVED: To make it possible to determine a key word in accordance with content of each example information file automatically.SOLUTION: A plurality of keyword candidates are stored in advance for each of the plurality of items in a keyword candidate storage unit 11. A text mining unit 13 partitions a sentence in a measure example file into words and phrases through text mining processing. An appearance frequency discrimination unit 14 obtains the appearance frequency of each keyword candidate related to the item in a sentence in a measure example file for each item. A keyword determination unit 15 determines a keyword candidate having high appearance frequency among each keyword candidate related to the item for each item as a key word.SELECTED DRAWING: Figure 1