| 摘要 |
PROBLEM TO BE SOLVED: To reflect on a metric signal the relation between a user's answer to presented information and a key word given to the information. SOLUTION: This device has an information presenting means which presents information data, an input means for inputting whether or not the presented information data are necessary or not, a vector converting means which converts into a vector signal a key word group signal composed of more than one key word given to the mentioned information, a metric learning means which allocates a value for predicting the necessity of the user to the key word from the input of whether or not the information data are necessary and the mentioned vector information to the metric signal, and a metric storage means which stores the metric signal; and this is effective in extracting information that the user requires, the relation between the user's answer to the presented information and the key word given to the information is reflected, and the metric signal can be obtained. |
