{"id":196888,"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00196888","sets":["6504:9795:9801"]},"path":["9801"],"owner":"6748","recid":"196888","title":["株式掲示板における投稿の信頼度予測"],"pubdate":{"attribute_name":"公開日","attribute_value":"2019-02-28"},"_buckets":{"deposit":"f3223622-ea43-4520-8560-4d0fc5eca1fa"},"_deposit":{"id":"196888","pid":{"type":"depid","value":"196888","revision_id":0},"owners":[6748],"status":"published","created_by":6748},"item_title":"株式掲示板における投稿の信頼度予測","author_link":["471785","471784"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"株式掲示板における投稿の信頼度予測"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"人工知能と認知科学","subitem_subject_scheme":"Other"}]},"item_type_id":"22","publish_date":"2019-02-28","item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_22_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"北陸先端大"},{"subitem_text_value":"北陸先端大"}]},"item_publisher":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"情報処理学会","subitem_publisher_language":"ja"}]},"publish_status":"0","weko_shared_id":-1,"item_file_price":{"attribute_name":"Billing file","attribute_type":"file","attribute_value_mlt":[{"url":{"url":"https://ipsj.ixsq.nii.ac.jp/record/196888/files/IPSJ-Z81-7S-04.pdf","label":"IPSJ-Z81-7S-04.pdf"},"date":[{"dateType":"Available","dateValue":"2019-05-28"}],"format":"application/pdf","filename":"IPSJ-Z81-7S-04.pdf","filesize":[{"value":"351.2 kB"}],"mimetype":"application/pdf","accessrole":"open_date","version_id":"8824c082-9c1d-4f5a-8730-e12f62e4b188","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2019 by the Information Processing Society of Japan"}]},"item_22_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"靱, 勝彦"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Hieu, Chi Dam"}],"nameIdentifiers":[{}]}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourceuri":"http://purl.org/coar/resource_type/c_5794","resourcetype":"conference paper"}]},"item_22_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN00349328","subitem_source_identifier_type":"NCID"}]},"item_22_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"従来，定性情報からの株価の予測においては，その定性情報の信頼度を考慮することなく，テキストマイニング等の手法により行われてきた。本研究では，定性情報の信頼性に着目し，株式掲示板における投稿の信頼性を予測する手法を提案し，定性情報の信頼性を踏まえた株価動向の分析への手かがりとすることを目的とする。信頼度を株式掲示板の投稿への評価から定義し，投稿の属性(投稿者，銘柄，投稿内容）及び株価などを説明変数とし，信頼度を推測するモデルの構築を行った。モデルには決定木を用いた学習を行い，その決定木の構造から投稿の信頼度は投稿者の信頼度に大きく影響されることがわかった。","subitem_description_type":"Other"}]},"item_22_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"326","bibliographic_titles":[{"bibliographic_title":"第81回全国大会講演論文集"}],"bibliographicPageStart":"325","bibliographicIssueDates":{"bibliographicIssueDate":"2019-02-28","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"1","bibliographicVolumeNumber":"2019"}]},"relation_version_is_last":true,"weko_creator_id":"6748"},"updated":"2025-01-19T22:32:52.439475+00:00","created":"2025-01-19T01:01:23.142536+00:00","links":{}}