{"links":{},"id":238496,"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00238496","sets":["1164:4179:11560:11760"]},"path":["11760"],"owner":"44499","recid":"238496","title":["情報発信は人々の行動を変容させるか: 記者会見テキストを用いた情報発信の指数化と人流抑制への影響"],"pubdate":{"attribute_name":"公開日","attribute_value":"2024-08-27"},"_buckets":{"deposit":"4696daa3-7b73-4551-852e-e22d6fcfca8d"},"_deposit":{"id":"238496","pid":{"type":"depid","value":"238496","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"情報発信は人々の行動を変容させるか: 記者会見テキストを用いた情報発信の指数化と人流抑制への影響","author_link":["653067","653068"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"情報発信は人々の行動を変容させるか: 記者会見テキストを用いた情報発信の指数化と人流抑制への影響"},{"subitem_title":"Dynamic Relationship between Information Dissemination by Local Governors and Mobility during the COVID-19 Pandemic","subitem_title_language":"en"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"言語処理応用","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2024-08-27","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"財務省財務総合政策研究所"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Ministry of Finance, Policy Research Institute","subitem_text_language":"en"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"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/238496/files/IPSJ-NL24261003.pdf","label":"IPSJ-NL24261003.pdf"},"date":[{"dateType":"Available","dateValue":"2026-08-27"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-NL24261003.pdf","filesize":[{"value":"1.6 MB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"660","billingrole":"5"},{"tax":["include_tax"],"price":"330","billingrole":"6"},{"tax":["include_tax"],"price":"0","billingrole":"23"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"e95e2e29-2191-441d-ad10-63e68a462e1c","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2024 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"原, 康熙"}],"nameIdentifiers":[{}]}]},"item_4_creator_6":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Yasuhiro, Hara","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN10115061","subitem_source_identifier_type":"NCID"}]},"item_4_textarea_12":{"attribute_name":"Notice","attribute_value_mlt":[{"subitem_textarea_value":"SIG Technical Reports are nonrefereed and hence may later appear in any journals, conferences, symposia, etc."}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourceuri":"http://purl.org/coar/resource_type/c_18gh","resourcetype":"technical report"}]},"item_4_source_id_11":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"2188-8779","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"新型コロナウイルスの感染拡大を抑制するため，その有力な手段の一つとして人流抑制施策が各国で実施されてきた．こうした中，日本では，緊急事態宣言の発令による外出自粛の要請を含め，多様な情報発信によって人流抑制施策が実施されてきた．本研究では，各都道府県で発信される人流抑制に関する情報を指数化し，人流との変化との動的関係を分析する．具体的には，中央政府による日々の記者会見における情報発信のテキストと人流抑制政策の厳格度合いに関するデータを用いてモデルを学習させ，地方政府による記者会見テキストを入力する．モデルの学習には，近年自然言語処理タスクで広く利用されている Bidirectional Encoder Representation from Transformers（BERT）をファインチューニングして用いる．さらに，算出された都道府県別の情報発信指数を基に，情報発信と人流の動的関係を，計量経済学的な手法に基づいて分析する．分析から，外出抑制を促す情報発信には人流を有意に押し下げる効果があり，またその人流抑制効果は，感染拡大初期と比較し，デルタ株流行期以降になると小さくなることが確認された．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"14","bibliographic_titles":[{"bibliographic_title":"研究報告自然言語処理（NL）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2024-08-27","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"3","bibliographicVolumeNumber":"2024-NL-261"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"created":"2025-01-19T01:41:45.700886+00:00","updated":"2025-01-19T08:32:59.646493+00:00"}