{"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00231867","sets":["1164:2592:11452:11453"]},"path":["11453"],"owner":"44499","recid":"231867","title":["木幅計算の実用アルゴリズム"],"pubdate":{"attribute_name":"公開日","attribute_value":"2024-01-13"},"_buckets":{"deposit":"1dc9b50f-d78d-4642-9341-c22cea5142c2"},"_deposit":{"id":"231867","pid":{"type":"depid","value":"231867","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"木幅計算の実用アルゴリズム","author_link":["627091"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"木幅計算の実用アルゴリズム"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"招待講演","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2024-01-13","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"明治大学"}]},"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/231867/files/IPSJ-AL24196004.pdf","label":"IPSJ-AL24196004.pdf"},"date":[{"dateType":"Available","dateValue":"2026-01-13"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-AL24196004.pdf","filesize":[{"value":"762.7 kB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"0","billingrole":"5"},{"tax":["include_tax"],"price":"0","billingrole":"6"},{"tax":["include_tax"],"price":"0","billingrole":"9"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"e0da58f1-054e-4823-9348-2c3c98b71250","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2024 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"玉木, 久夫"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN1009593X","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":"2188-8566","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"木幅はグラフアルゴリズムの設計に重要な役割を果たすグラフパラメーターであり，Robertson と Seymour のグラフマイナー理論における中心概念のひとつでもある．グラフ上の計算困難な問題のなかには，木幅をパラメータとして固定パラメータ容易なアルゴリズムを持つ問題が数多く存在する．そのような固定パラメータアルゴリズムを実行するためには，ほとんどの場合まず木幅を計算することが必要となる．木幅を計算する問題は NP 完全であるが，これは実用的な木幅アルゴリズムの開発を断念する理由とはならない．実際，木幅の実用計算をテーマとしたアルゴリズム実装コンテスト PACE2016，PACE2017 を契機として，ここ数年で実用木幅計算の最先端アルゴリズムの性能は飛躍的に向上している．これらの進展の基礎となる理論および技術的なアイディアについて述べ，最新のアルゴリズム [1] について概説する．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"1","bibliographic_titles":[{"bibliographic_title":"研究報告アルゴリズム（AL）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2024-01-13","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"4","bibliographicVolumeNumber":"2024-AL-196"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"updated":"2025-01-19T10:37:09.889821+00:00","created":"2025-01-19T01:32:25.216321+00:00","links":{},"id":231867}