Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) IRIBE Yurie,A Method for Keyword Extraction Using Retrieval Information from Students in Lectures (In Japanese),"Transactions of the Japanese Society for Artificial Intelligence Vol. 22, No. 6",,,2007,,,604-611,https://cir.nii.ac.jp/crid/1010282256956444169,