{"id":214558,"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00214558","sets":["1164:1165:10664:10758"]},"path":["10758"],"owner":"44499","recid":"214558","title":["転置インデクスを用いた動的なテキスト集合に対する類似検索の高速化"],"pubdate":{"attribute_name":"公開日","attribute_value":"2021-12-20"},"_buckets":{"deposit":"8bbdd039-3da3-474e-9f4f-fc467f1e8935"},"_deposit":{"id":"214558","pid":{"type":"depid","value":"214558","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"転置インデクスを用いた動的なテキスト集合に対する類似検索の高速化","author_link":["551474","551473"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"転置インデクスを用いた動的なテキスト集合に対する類似検索の高速化"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"テキスト処理","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":"電気通信大学情報理工学域"},{"subitem_text_value":"電気通信大学大学院情報理工学研究科"}]},"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/214558/files/IPSJ-DBS21174001.pdf","label":"IPSJ-DBS21174001.pdf"},"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-DBS21174001.pdf","filesize":[{"value":"2.6 MB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"0","billingrole":"13"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_login","version_id":"a36b610f-0165-4062-bfc1-0753be4a80e0","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":"土田, 祐将"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"古賀, 久志"}],"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":"本研究では SNS から投稿内容が似た類似ユーザを見つける状況を想定し，ユーザをテキストストリームでモデル化し動的に変化するテキスト集合を対象とする類似検索を取り扱う．とくにこの問題に対する既存アルゴリズムを転置インデクスを使って高速化することを目指す．転置インデクスはテキスト検索における標準的な要素技術である．しかし，テキスト集合が動的に変化する場合，転置インデクスを更新するオーバーヘッドが生じるため，その適用は自明ではない．本研究では転置インデクスを使用するか否かをアルゴリズム内のテキスト照合パターンに応じて選択することにより，既存アルゴリズムを高速化できることを示す．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"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":"1","bibliographicVolumeNumber":"2021-DBS-174"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"updated":"2025-01-19T16:34:42.122451+00:00","created":"2025-01-19T01:15:22.201067+00:00","links":{}}