| 摘要 |
PROBLEM TO BE SOLVED: To reduce calculation amounts, and to extract even a target topic by partially giving teacher data whose topic has been already known in the case of analyzing the topic of a data group.SOLUTION: The topic analysis device for a data group includes: input means for inputting any of the group of analysis object data whose components are expressed as the vectors of discrete values, the Web browsing history of a user and object data to be recommended to the user; label giving means for giving a label corresponding to topic content to be given as teacher data to the analysis object data; and arithmetic means for, when the top has been already know, and the teacher data given a label are given, calculating a parameter by applying a predetermined probability model to the analysis object data and the teacher data. |
