{"created":"2023-06-19T10:30:07.548576+00:00","id":10303,"links":{},"metadata":{"_buckets":{"deposit":"f270c44c-e6bf-4ad2-acc0-c0d0bba53a25"},"_deposit":{"created_by":18,"id":"10303","owners":[18],"pid":{"revision_id":0,"type":"depid","value":"10303"},"status":"published"},"_oai":{"id":"oai:muroran-it.repo.nii.ac.jp:00010303","sets":["216:221","216:442","46"]},"author_link":["57930","11996","54336"],"item_79_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2018","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"5","bibliographicPageEnd":"I_554","bibliographicPageStart":"I_547","bibliographicVolumeNumber":"74","bibliographic_titles":[{"bibliographic_title":"土木学会論文集D3(土木計画学)","bibliographic_titleLang":"ja"}]}]},"item_79_description_23":{"attribute_name":"フォーマット","attribute_value_mlt":[{"subitem_description":"application/pdf","subitem_description_type":"Other"}]},"item_79_description_7":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"本研究では,北海道新幹線開業前後におけるTwitterデータを用いて,地域・拠点ワードの発生増加やそれらの関連性を分析し,人々の関心構造の変化を明らかにした.まず,ワード個別に発生数を求め,開業後に関心が増加した地域や拠点を抽出した.次に,函館や道内外に関するワードの発生増減の類似性からユーザを関心増加層,関心低下層,無変化層の3つの層に類型化した.最後に,ユーザ層毎に,地域・拠点ワードの共起構造を分析し,次数中心性指標から,関心先の関連性を定量的に評価した.その結果,個別の発生数では抽出困難であったワードが浮上し,特に,関心増加層ではそれが顕著であること,開業後にユーザの関心先が大きく広がることを明らかにした.","subitem_description_language":"ja","subitem_description_type":"Abstract"}]},"item_79_link_17":{"attribute_name":"出版者版へのリンク","attribute_value_mlt":[{"subitem_link_text":"10.2208/jscejipm.74.I_547","subitem_link_url":"https://doi.org/10.2208/jscejipm.74.I_547"}]},"item_79_link_5":{"attribute_name":"室蘭工業大学研究者データベースへのリンク","attribute_value_mlt":[{"subitem_link_text":"浅田 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