Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) YOKOI Kentaro and KAWAHARA Tatsuya and DOSHITA Shuji,Topic Identification of News Speech using Word Cooccurrence Statistics,IEICE technical report. Speech,,"The Institute of Electronics, Information and Communication Engineers",1997-01-17,96,449,71-78,https://cir.nii.ac.jp/crid/1573105977177347072,