Method for evaluating text

A system (1) for evaluating a text by a computer, comprising:

• a text input unit (3) for inputting a text to be evaluated;
• an in-text word extracting unit (5) for extracting an in-text word as a word included in the text to be evaluated;
• a key sentence extracting unit (7) for extracting a key sentence included in the text to be evaluated, the key sentence including one or more in-text words and one or more postpositional particles;
• and
• a text evaluating unit (9) for reading evaluation information relating to the key sentence from a storage unit to evaluate the text to be evaluated either on a basis of or using the key sentence, wherein
• the evaluation information is information relating to whether the key sentence is correct as the text to be evaluated, or information relating to which category the key sentence belongs to.

A program for causing a computer to execute a method for evaluating a text, the method comprising:

• a text input step in which a text to be evaluated is input into the computer;
• an in-text word extracting step of extracting an in-text word as a word included in the text to be evaluated by the computer;
• a key sentence extracting step of extracting a key sentence included in the text to be evaluated by the computer, the key sentence including one or more in-text words and one or more postpositional particles;
• and
• a text evaluating step of evaluating the text to be evaluated on a basis of the key sentence by the computer, wherein
• the text evaluating step includes a step of reading evaluation information relating to the key sentence from a storage unit, and
• the evaluation information is information relating to whether the key sentence is correct as the text to be evaluated, or information relating to which category the key sentence belongs to.