{"created":"2025-01-19T01:20:03.744737+00:00","updated":"2025-01-19T14:41:59.714157+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00220010","sets":["1164:3500:10803:10983"]},"path":["10983"],"owner":"44499","recid":"220010","title":["地理的距離を用いたTwitterユーザ間での活動場所のHomophilyの算出"],"pubdate":{"attribute_name":"公開日","attribute_value":"2022-09-02"},"_buckets":{"deposit":"8553b003-cf5a-495d-9932-3bbd76bc6ced"},"_deposit":{"id":"220010","pid":{"type":"depid","value":"220010","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"地理的距離を用いたTwitterユーザ間での活動場所のHomophilyの算出","author_link":["574711","574713","574712","574714"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"地理的距離を用いたTwitterユーザ間での活動場所のHomophilyの算出"}]},"item_type_id":"4","publish_date":"2022-09-02","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"豊橋技術科学大学"},{"subitem_text_value":"豊橋技術科学大学"},{"subitem_text_value":"筑波大学"},{"subitem_text_value":"豊橋技術科学大学"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Toyohashi University of Technology","subitem_text_language":"en"},{"subitem_text_value":"Toyohashi University of Technology","subitem_text_language":"en"},{"subitem_text_value":"University of Tsukuba","subitem_text_language":"en"},{"subitem_text_value":"Toyohashi University of Technology","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/220010/files/IPSJ-IFAT22148012.pdf","label":"IPSJ-IFAT22148012.pdf"},"date":[{"dateType":"Available","dateValue":"2024-09-02"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-IFAT22148012.pdf","filesize":[{"value":"1.9 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":"39"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"1f0efe6a-48fc-4bf0-8560-c2b262e498dc","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2022 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"牛場, 正敏"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"廣中, 詩織"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"吉田, 光男"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"梅村, 恭司"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN10114171","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":"2188-8884","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"似た属性や価値観を持つユーザ同士がつながる傾向のことを Homophily という．ある人の周りのつながりの平均的な強さを Homophily の大きさとした場合，特定の属性の Homophily の大きさが測定できれば，ユーザ同士のつながりの広さや，特定の属性の重要度の高さがわかると考えられる．本論文では，活動場所 Homophily の大きさを算出する手法として，相互フォロー関係にあるユーザの活動場所の離散確率分布との一致度をもとに算出する手法と，相互フォロー関係にあるユーザとの地理的距離を考慮して算出する手法の 2 つを提案する．そして，先行研究と同様に，フォロー比（フォロー数のフォロワー数に対する比）が高いユーザの活動場所 Homophily の大きさが小さく算出されているかを確認する．その結果，提案した 2 つの手法とも既存手法と同じようにふるまうことが確認できた．また，提案手法は既存手法よりも幅広い Homophily の大きさを表現できるため，今後の分析に有用であると考えられる．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"6","bibliographic_titles":[{"bibliographic_title":"研究報告情報基礎とアクセス技術（IFAT）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2022-09-02","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"12","bibliographicVolumeNumber":"2022-IFAT-148"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"id":220010,"links":{}}