{"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00191445","sets":["1164:4179:9477:9562"]},"path":["9562"],"owner":"11","recid":"191445","title":["文脈自由文法とニューラルネットワークを用いた並列構造木のCKY構文解析"],"pubdate":{"attribute_name":"公開日","attribute_value":"2018-09-18"},"_buckets":{"deposit":"0ab8ee3f-3b31-4f98-a13a-2b8d0bd7ccce"},"_deposit":{"id":"191445","pid":{"type":"depid","value":"191445","revision_id":0},"owners":[11],"status":"published","created_by":11},"item_title":"文脈自由文法とニューラルネットワークを用いた並列構造木のCKY構文解析","author_link":["441675","441673","441674"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"文脈自由文法とニューラルネットワークを用いた並列構造木のCKY構文解析"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"深層学習","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2018-09-18","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"奈良先端科学技術大学院大学"},{"subitem_text_value":"奈良先端科学技術大学院大学"},{"subitem_text_value":"奈良先端科学技術大学院大学"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Nara Institute of Science and Technology","subitem_text_language":"en"},{"subitem_text_value":"Nara Institute of Science and Technology","subitem_text_language":"en"},{"subitem_text_value":"Nara Institute of Science and 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/191445/files/IPSJ-NL18237009.pdf","label":"IPSJ-NL18237009.pdf"},"date":[{"dateType":"Available","dateValue":"2020-09-18"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-NL18237009.pdf","filesize":[{"value":"605.4 kB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"660","billingrole":"5"},{"tax":["include_tax"],"price":"330","billingrole":"6"},{"tax":["include_tax"],"price":"0","billingrole":"23"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"02d3ff5d-544b-40fc-b8fc-2a2b8f66d456","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2018 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"寺西, 裕紀"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"進藤, 裕之"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"松本, 裕治"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN10115061","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":"2188-8779","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"本研究は文脈自由文法を用いて並列構造を木として導出する手法を提案する.現在の最高精度の解析性能を達成しているニューラルネットワークによる並列構造解析の手法は,文中の複数の並列構造や三つ以上の並列句を陽に扱っておらず,解析結果を他のタスク等に利用することが難しい.複数の並列構造や三つ以上の並列句の解析を行う場合,並列構造となりうる句のスパンの組み合わせが指数的に増加するため膨大な計算コストを要するという問題がある.そこで本研究では並列構造を木として導出できる文脈自由文法を定義し,CKY アルゴリズムの適用により計算量を抑えながら並列構造の木をボトムアップで構築する.実験の結果,提案手法によって文中の複雑な並列構造の範囲が競合せず導出できることを保証しながら,個々の並列構造ごとの評価において既存手法と同等以上の解析性能を得た.","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"11","bibliographic_titles":[{"bibliographic_title":"研究報告自然言語処理(NL)"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2018-09-18","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"9","bibliographicVolumeNumber":"2018-NL-237"}]},"relation_version_is_last":true,"weko_creator_id":"11"},"id":191445,"updated":"2025-01-20T00:40:17.512381+00:00","links":{},"created":"2025-01-19T00:57:19.923882+00:00"}