Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Samejima Masaki and Gen Mayu and Nakazaki Takeshi and Akiyoshi Masanori and Komoda Norihisa,An Extraction Method of Time-Series Numerical Data from Press Releases Using Co-Occurrence Conditions of Numbers and Time Stamps Related to Target Business Keyword,"IEEJ Transactions on Electronics, Information and Systems",03854221,The Institute of Electrical Engineers of Japan,2007,127,6,957-963,https://cir.nii.ac.jp/crid/1390282679583001472,https://doi.org/10.1541/ieejeiss.127.957