{"created":"2023-07-27T04:51:08.753234+00:00","id":53779,"links":{},"metadata":{"_buckets":{"deposit":"575d875c-ea9e-46ce-8c9d-afbcb177c32f"},"_deposit":{"created_by":3,"id":"53779","owners":[3],"pid":{"revision_id":0,"type":"depid","value":"53779"},"status":"published"},"_oai":{"id":"oai:tohoku.repo.nii.ac.jp:00053779","sets":["60:331"]},"author_link":["139208","139209","139203","139204","139205","139207","139206"],"item_4_biblio_info_6":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2002-07","bibliographicIssueDateType":"Issued"},"bibliographicPageEnd":"42","bibliographicPageStart":"33","bibliographicVolumeNumber":"2","bibliographic_titles":[{"bibliographic_title":"年報"}]}]},"item_4_date_62":{"attribute_name":"登録日","attribute_value_mlt":[{"subitem_date_issued_datetime":"2008-05-02","subitem_date_issued_type":"Created"}]},"item_4_date_63":{"attribute_name":"公開日（投稿完了日）","attribute_value_mlt":[{"subitem_date_issued_datetime":"2008-05-02","subitem_date_issued_type":"Created"}]},"item_4_date_65":{"attribute_name":"発行日","attribute_value_mlt":[{"subitem_date_issued_datetime":"2002-07","subitem_date_issued_type":"Created"}]},"item_4_date_80":{"attribute_name":"更新日","attribute_value_mlt":[{"subitem_date_issued_datetime":"2010-01-27","subitem_date_issued_type":"Created"}]},"item_4_description_15":{"attribute_name":"フォーマット","attribute_value_mlt":[{"subitem_description":"application/pdf","subitem_description_type":"Other"}]},"item_4_description_4":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"ベクトル量子化は高効率なデータ圧縮手法であり、データの保存や転送において核となる技術である。これまでに、誤差の少ない量子化のための最適コードブックを生成する様々な手法が提案されており、中でもアルゴリズムの改良によってコードブック生成処理時間の短縮を図るLaw-of-the-Jungle(LOJ)アルゴリズムが注目を集めている。しかし、大きなデータセットを単一のCPUで処理する場合、アルゴリズムの改良による処理時間短縮には限界があり、並列処理によるさらなる速度向上が求められている。本論文では、メモリ分散型並列計算機に適した並列LOJアルゴリズムを提案する。IBM SP2、NEC AzusA、PCクラスタを用いて並列LOJアルゴリズムの性能評価を行なった結果、いずれもプロセッサ台数に対する高い速度向上率が得られた。","subitem_description_type":"Abstract"}]},"item_4_description_41":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"subitem_description":"紀要類(bulletin)","subitem_description_type":"Other"}]},"item_4_description_66":{"attribute_name":"フォーマット","attribute_value_mlt":[{"subitem_description":"1001778 bytes","subitem_description_type":"Other"}]},"item_4_publisher_34":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"東北大学情報シナジーセンター"}]},"item_4_radio_69":{"attribute_name":"公開範囲","attribute_value_mlt":[{"subitem_radio_item":"学外"}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AA11673927","subitem_source_identifier_type":"NCID"}]},"item_4_version_type_16":{"attribute_name":"著者版フラグ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_970fb48d4fbd8a85","subitem_version_type":"VoR"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"百瀬, 真太郎"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"佐野, 健太郎"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"滝沢, 寛之"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"中島, 平"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Lima, Clecio Donizete"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"小林, 広明"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"中村, 維男"}],"nameIdentifiers":[{}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2017-02-20"}],"displaytype":"detail","filename":"KJ00000739002.pdf","filesize":[{"value":"1.0 MB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"KJ00000739002.pdf","url":"https://tohoku.repo.nii.ac.jp/record/53779/files/KJ00000739002.pdf"},"version_id":"8dd03540-8253-4e39-8401-b17653cc431e"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"departmental bulletin paper","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"ベクトル量子化のための並列コードブック生成アルゴリズムの性能評価(2.<特集>第1回情報シナジー研究会)","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"ベクトル量子化のための並列コードブック生成アルゴリズムの性能評価(2.<特集>第1回情報シナジー研究会)"}]},"item_type_id":"4","owner":"3","path":["331"],"pubdate":{"attribute_name":"公開日","attribute_value":"2008-05-02"},"publish_date":"2008-05-02","publish_status":"0","recid":"53779","relation_version_is_last":true,"title":["ベクトル量子化のための並列コードブック生成アルゴリズムの性能評価(2.<特集>第1回情報シナジー研究会)"],"weko_creator_id":"3","weko_shared_id":3},"updated":"2023-07-27T16:22:37.745969+00:00"}