{"updated":"2025-01-20T11:41:30.244798+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00162536","sets":["6504:8672:8736"]},"path":["8736"],"owner":"6748","recid":"162536","title":["東日本大震災時における首都圏の混雑状況に関するTweetの特徴"],"pubdate":{"attribute_name":"公開日","attribute_value":"2016-03-10"},"_buckets":{"deposit":"c56c4047-b951-429d-b41a-634f49e95ed1"},"_deposit":{"id":"162536","pid":{"type":"depid","value":"162536","revision_id":0},"owners":[6748],"status":"published","created_by":6748},"item_title":"東日本大震災時における首都圏の混雑状況に関するTweetの特徴","author_link":["317220"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"東日本大震災時における首都圏の混雑状況に関するTweetの特徴"}]},"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":"2016-03-10","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":"東工大"}]},"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/162536/files/IPSJ-Z78-5B-03.pdf","label":"IPSJ-Z78-5B-03.pdf"},"date":[{"dateType":"Available","dateValue":"2016-05-19"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-Z78-5B-03.pdf","filesize":[{"value":"789.7 kB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"0","billingrole":"6"},{"tax":["include_tax"],"price":"0","billingrole":"8"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"520f0bd8-3064-402b-ae7e-341722000e7f","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2016 by the Information Processing Society of Japan"}]},"item_22_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"沖, 拓弥"}],"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":"東日本大震災時，首都圏では，地震による直接的な被害は軽微であったにもかかわらず，徒歩帰宅者や交通機関の運行再開を待つ人々によって，主要道路や一時滞在施設，鉄道ターミナル駅等は大きく混雑した。この反省を生かし，大地震時に生じる混雑の抑制策について検討することは，将来の首都直下地震や南海トラフ地震に備える上で重要である。しかし，東日本大震災時に，いつ，どこで，どの程度の混雑が生じたかを具体的に示している既往研究やデータは少ない。本稿では，東日本大震災時における首都圏の混雑状況に関するtweet（混雑ツイート）から，共起する地名・固有名詞・ジオタグ情報・時系列情報等を抽出し，混雑ツイートの頻度や時空間的特徴について基礎的な分析を行う。さらに，平常時の混雑ツイートとの比較や，他の入手可能なデータを用いた検証も試みる。","subitem_description_type":"Other"}]},"item_22_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"6","bibliographic_titles":[{"bibliographic_title":"第78回全国大会講演論文集"}],"bibliographicPageStart":"5","bibliographicIssueDates":{"bibliographicIssueDate":"2016-03-10","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"1","bibliographicVolumeNumber":"2016"}]},"relation_version_is_last":true,"weko_creator_id":"6748"},"created":"2025-01-19T00:34:34.737276+00:00","id":162536,"links":{}}