@article{oai:tsukuba.repo.nii.ac.jp:00022363,
 author = {吉岡, 真治 and Yoshioka, Masaharu},
 issue = {29},
 journal = {ディジタル図書館},
 month = {Nov},
 pages = {55--62},
 title = {情報検索における検索語拡張手法の有用性分析手法の提案},
 year = {2005}
}