About SAKAI HIROYUKI
About MASUYAMA SHIGERU
About 電子情報通信学会論文誌 D
About corporate performance
About performance appraisal
About factor analysis
About Web(information system)
About data mining
About knowledge acquisition
About degree
About text mining
About importance
About Management engineering in general
About Retrieval technology
About 企業
About 業績
About 記事
About 要因