File management system and work support system

A file management system that manages a data file including a character string, the file management system comprising:

• an indication target type determination unit configured to determine a type of a target indicated by the character string in accordance with a character type determination rule describing a rule for determining the type of the target based on the character string;
• a character string comparison processing unit configured to compare a first character string included in a first data file with a second character string included in a second data file;
• a link rule recognition processing unit configured to acquire a link rule describing a rule for setting a link between the data files;
• and
• a link setting processing unit configured to set a link between the first character string and the second data file in accordance with the link rule, wherein
• the link rule defines a link between the second data file and a type of a target indicated by the first character string,
• the link setting processing unit specifies the second data file as a link destination data file of the first character string in accordance with the link rule,
• the character string comparison processing unit determines, by comparing a type of a target indicated by the second character string in the specified second data file with the type of the target indicated by the first character string, whether the target indicated by the first character string matches the target indicated by the second character string, and
• the link setting processing unit assigns a link between the first character string and the second data file when the character string comparison processing unit determines that the target indicated by the first character string matches the target indicated by the second character string.