{"updated":"2025-01-20T17:53:35.369594+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00146621","sets":["1:8403:8404"]},"path":["8404"],"owner":"13","recid":"146621","title":["ICT社会を支える時刻同期技術"],"pubdate":{"attribute_name":"公開日","attribute_value":"2015-12-15"},"_buckets":{"deposit":"fbcc795b-0e8f-476c-88fc-0a20ee949393"},"_deposit":{"id":"146621","pid":{"type":"depid","value":"146621","revision_id":0},"owners":[13],"status":"published","created_by":13},"item_title":"ICT社会を支える時刻同期技術","author_link":["229472","229473"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"ICT社会を支える時刻同期技術"},{"subitem_title":"Time Synchronization Supporting ICT Society","subitem_title_language":"en"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"解説","subitem_subject_scheme":"Other"}]},"item_type_id":"1","publish_date":"2015-12-15","item_1_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"国立研究開発法人 情報通信研究機構"}]},"item_1_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"National Institute of Information and Communications 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/146621/files/IPSJ-MGN570124.pdf","label":"IPSJ-MGN570124.pdf"},"date":[{"dateType":"Available","dateValue":"2017-12-15"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-MGN570124.pdf","filesize":[{"value":"1.2 MB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"660","billingrole":"5"},{"tax":["include_tax"],"price":"0","billingrole":"6"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"bc0c0650-73aa-4df5-8675-cab7ba51a6cb","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2015 by the Information Processing Society of Japan"}]},"item_1_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"岩間, 司"}],"nameIdentifiers":[{}]}]},"item_1_creator_6":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"IWAMA, Tsukasa","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"item_1_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN00116625","subitem_source_identifier_type":"NCID"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourceuri":"http://purl.org/coar/resource_type/c_6501","resourcetype":"article"}]},"item_1_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"現在のコンピュータシステムはほぼすべてがネットワークに接続されており相互に情報のやりとりを行っている．また最近は，IoTによりインターネットを介して多くのデータが生成され，ビックデータが構築される．このビックデータを利活用するためにはどのデータが「いつ」生成されたかが重要である．これを正確に維持するためには，それぞれの情報の発信元が正しく時刻同期されている必要がある．本解説記事では，このようなコンピュータ相互の時刻を正しく同期するための時刻同期技術について，実際の導入方法も含め簡単に紹介する．また時刻同期を阻害する要因である「うるう秒」について今後の動向も含めて解説を加える．","subitem_description_type":"Other"}]},"item_1_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"57","bibliographic_titles":[{"bibliographic_title":"情報処理"}],"bibliographicPageStart":"52","bibliographicIssueDates":{"bibliographicIssueDate":"2015-12-15","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"1","bibliographicVolumeNumber":"57"}]},"relation_version_is_last":true,"weko_creator_id":"13"},"created":"2025-01-19T00:22:04.022879+00:00","id":146621,"links":{}}