{"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00226081","sets":["1164:4061:11136:11254"]},"path":["11254"],"owner":"44499","recid":"226081","title":["混雑の生起・継続・終了を考慮した状態認識型RNNに基づく早期群衆混雑予報"],"pubdate":{"attribute_name":"公開日","attribute_value":"2023-05-17"},"_buckets":{"deposit":"0a32edce-f5a1-461e-a55a-e0bcad344327"},"_deposit":{"id":"226081","pid":{"type":"depid","value":"226081","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"混雑の生起・継続・終了を考慮した状態認識型RNNに基づく早期群衆混雑予報","author_link":["599554","599556","599555"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"混雑の生起・継続・終了を考慮した状態認識型RNNに基づく早期群衆混雑予報"}]},"item_type_id":"4","publish_date":"2023-05-17","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"東京工業大学情報理工学院情報工学系"},{"subitem_text_value":"Yahoo! JAPAN研究所"},{"subitem_text_value":"東京工業大学情報理工学院情報工学系"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Department of Computer Science, School of Computing, Tokyo Institute of Technology","subitem_text_language":"en"},{"subitem_text_value":"Yahoo Japan Corporation","subitem_text_language":"en"},{"subitem_text_value":"Department of Computer Science, School of Computing, Tokyo Institute 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/226081/files/IPSJ-UBI23078016.pdf","label":"IPSJ-UBI23078016.pdf"},"date":[{"dateType":"Available","dateValue":"2025-05-17"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-UBI23078016.pdf","filesize":[{"value":"1.7 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":"36"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"564e8519-de7b-4ebe-9ba6-04cf9e93b8ac","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2023 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"安納, 爽響"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"坪内, 孝太"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"下坂, 正倫"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AA11838947","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":"2188-8698","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"本研究では，社会イベントに起因して発生する異常な群衆混雑を，その発生のみならず，いつ終わるのかまでを早期予報する枠組みを提案する．群衆混雑の早期予報は，快適なモビリティやタクシー需要予測など社会的ニーズが強く重要な話題である．しかし，既存手法は主に群衆混雑の発生時点の予報に焦点を当てている．また公示されるイベント開催時刻情報からの類推も，混雑のような非日常的なパターンの元では，参照する過去データが希少であり困難なタスクとなる．そこで本研究では，群衆混雑を発生から終了までの ”ライフサイクル” を捉えるための手法である，Cascading-based Hybrid Recurrent Network Incorporating Crowding Life cyclEs (CHRoNICLE) を提案する．提案手法では，群衆混雑の発生過程を生起期・継続期・終了期といった ”状態” に分割する．また，各状態における人口変化の傾向を捕捉するため，各状態の時系列性，時間長や，活動人口の増加を明示的に学習し，活動人口の回帰器にカスケードする．人工データ及び実イベントデータを用いた性能評価実験により，提案手法が既存手法と比較して，混雑を発生から終了までをより正確に捉えられることを示す．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"8","bibliographic_titles":[{"bibliographic_title":"研究報告ユビキタスコンピューティングシステム（UBI）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2023-05-17","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"16","bibliographicVolumeNumber":"2023-UBI-78"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"updated":"2025-01-19T12:35:12.160966+00:00","created":"2025-01-19T01:25:34.140607+00:00","links":{},"id":226081}