{"id":214564,"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00214564","sets":["1164:1165:10664:10758"]},"path":["10758"],"owner":"44499","recid":"214564","title":["GPUを用いた高次元データにおける逆 ???? 最近傍検索の高速化"],"pubdate":{"attribute_name":"公開日","attribute_value":"2021-12-20"},"_buckets":{"deposit":"e8e318e4-3109-4e80-a8e7-3bcd9b7470f8"},"_deposit":{"id":"214564","pid":{"type":"depid","value":"214564","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"GPUを用いた高次元データにおける逆 ???? 最近傍検索の高速化","author_link":["551497","551495","551496","551498"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"GPUを用いた高次元データにおける逆 ???? 最近傍検索の高速化"},{"subitem_title":"GPU-accelerated reverse ????-nearest neighbor search for high dimensional data","subitem_title_language":"en"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"データベース処理","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2021-12-20","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"筑波大学大学院情報理工学位プログラム"},{"subitem_text_value":"筑波大学計算科学センター"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Master’s Program in Computer Science, University of Tsukuba","subitem_text_language":"en"},{"subitem_text_value":"Center for Computational Sciences, University of Tsukuba","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/214564/files/IPSJ-DBS21174007.pdf","label":"IPSJ-DBS21174007.pdf"},"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-DBS21174007.pdf","filesize":[{"value":"1.6 MB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"0","billingrole":"13"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_login","version_id":"2eab3f67-b954-418c-95db-3d2dfc0ea118","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2021 by the Institute of Electronics, Information and Communication Engineers This SIG report is only available to those in membership of the SIG."}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"対比地, 恭平"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"天笠, 俊之"}],"nameIdentifiers":[{}]}]},"item_4_creator_6":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Kyohei, Tsuihiji","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Toshiyuki, Amagasa","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN10112482","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":"2188-871X","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"逆 ???? 最近傍検索とは，あるクエリ点が与えられたときに，それを ???? 最近傍に持つようなすべてのデータ点を検索する処理である．逆 ???? 最近傍検索は意思決定支援システムや地理情報システム（GIS），外れ値検出など，幅広い分野で応用されており，近年注目を集めている．しかし，既存の手法は低次元のデータや小規模なデータにのみ対応しているものが多く，高次元のデータや大規模なデータを扱えないという問題がある．そこで本研究では，高次元の大規模データを対象とし，GPU を用いて逆 ???? 最近傍検索の高速化を図る．評価実験により，提案手法は\n CPU のみで問合せ処理を行うベースライン手法に比べ，約 23.4 倍の高速化が可能であることを示した．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"6","bibliographic_titles":[{"bibliographic_title":"研究報告データベースシステム（DBS）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2021-12-20","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"7","bibliographicVolumeNumber":"2021-DBS-174"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"updated":"2025-01-19T16:34:34.261852+00:00","created":"2025-01-19T01:15:22.536348+00:00","links":{}}