Categorizing keywords

A computer program product for categorizing keywords, the computer program product comprising:

• one or more computer-readable storage devices and program instructions stored on the one or more computer-readable storage devices, the program instructions comprising:
• program instructions to receive, based on user input to a keyboard connected to a computer, a keyword to be categorized;
• program instructions to receive, from a storage device communicatively coupled to the computer, a medical category dictionary including categories having associated respective pluralities of registered keywords;
• program instructions to receive, from the storage device communicatively coupled to the computer, a text corpus comprising medical texts;
• program instructions to identify one or more registered keywords in the medical category dictionary having a degree of similarity to the keyword to be categorized that is equal to or greater than a predetermined value, and to extract the categories associated with the identified registered keywords;
• program instructions to identify one or more registered keywords co-occurring in the text corpus with the keyword to be categorized, and to extract the categories associated with the identified co-occurring registered keywords;
• program instructions to determine a degree of importance of each extracted category based on a function of the identified registered keywords in the category dictionary and a function of the identified co-occurring registered keywords;
• and
• program instructions to output, to a display screen communicatively coupled to the computer, the extracted categories, with at least an indication of each category's relative importance, as category candidates for categorizing the keyword to be categorized, wherein the display screen presents a table comprising a respective row for respective categories from the category dictionary, a respective column for respective registered keywords, and a respective indication of a search method associated with respective registered keywords.

A computer system for categorizing keywords, the computer system comprising:

• one or more computer processors, one or more computer-readable storage devices, and program instructions stored on one or more of the computer-readable storage devices for execution by at least one of the one or more processors, the program instructions comprising:
• program instructions to receive, based on user input to a keyboard connected to the computer system, a keyword to be categorized;
• program instructions to receive, from the one or more computer readable storage devices, a medical category dictionary including categories having associated respective pluralities of registered keywords;
• program instructions to receive, from the one or more computer readable storage devices, a text corpus comprising medical texts;
• program instructions to identify one or more registered keywords in the medical category dictionary having a degree of similarity to the keyword to be categorized that is equal to or greater than a predetermined value, and to extract the categories associated with the identified registered keywords;
• program instructions to identify one or more registered keywords co-occurring in the text corpus with the keyword to be categorized, and to extract the categories associated with the identified co-occurring registered keywords;
• program instructions to determine a degree of importance of each extracted category based on a function of the identified registered keywords in the category dictionary and a function of the identified co-occurring registered keywords;
• and
• program instructions to output, to a display screen communicatively coupled to the computer system, the extracted categories, with at least an indication of each category's relative importance, as category candidates for categorizing the keyword to be categorized, wherein the display screen presents a table comprising a respective row for respective categories from the category dictionary, a respective column for respective registered keywords, and a respective indication of a search method associated with respective registered keywords.