MEDICAL SYNONYM DICTIONARY CREATING DEVICE AND MEDICAL SYNONYM DICTIONARY CREATING METHOD

摘要

PROBLEM TO BE SOLVED: To provide a synonym dictionary creating device capable of correctly extracting a pair of synonym keywords from a medical document including plural kinds of disease names with a small processing load.SOLUTION: The synonym dictionary creating device includes: a keyword obtaining section 104 that obtains keywords from a reading report; a co-occurrence disease name obtaining section 105 that obtains disease names which co-occur with the obtained keywords; a keyword pair selecting section 106 that selects a pair of keywords from the obtained keywords; a common disease name document extraction section 107 that (i) selects disease names which co-occur with keywords forming the keyword pair from the obtained disease names, (ii) extracts disease names which are commonly found among the keywords forming the keyword pair from the selected disease names, and (iii) extracts a reading report which includes the extracted disease names from pieces of case data stored in a case database 101; and a synonym determination part 108 that determines if the keyword pair is a pair of synonyms using the extracted reading report.