@inproceedings{weko_128710_1, author = "野美山,浩", title = "新聞記事データベースからの話題の抽出II-話題の構造の解析", booktitle = "全国大会講演論文集", year = "1995", volume = "第51回", number = "データベース", pages = "219--220", month = "sep" }