{"created":"2025-01-18T23:40:28.030165+00:00","updated":"2025-01-21T15:42:16.964402+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00091104","sets":["1164:2836:7121:7122"]},"path":["7122"],"owner":"11","recid":"91104","title":["ファイルのエントロピー測定による類似度評価の新手法に関する提案"],"pubdate":{"attribute_name":"公開日","attribute_value":"2013-03-07"},"_buckets":{"deposit":"25a1ff17-e37f-4776-80a6-107189fed925"},"_deposit":{"id":"91104","pid":{"type":"depid","value":"91104","revision_id":0},"owners":[11],"status":"published","created_by":11},"item_title":"ファイルのエントロピー測定による類似度評価の新手法に関する提案","author_link":["0","0"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"ファイルのエントロピー測定による類似度評価の新手法に関する提案"},{"subitem_title":"A new method for similarity evaluation by measuring partitioned entropy","subitem_title_language":"en"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"フォレンジックと生体認証","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2013-03-07","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"NTTセキュアプラットフォーム研究所"},{"subitem_text_value":"NTTセキュアプラットフォーム研究所"},{"subitem_text_value":"NTTセキュアプラットフォーム研究所"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"NTT Secure Platform Laboratories","subitem_text_language":"en"},{"subitem_text_value":"NTT Secure Platform Laboratories","subitem_text_language":"en"},{"subitem_text_value":"NTT Secure Platform Laboratories","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/91104/files/IPSJ-DPS13154013.pdf"},"date":[{"dateType":"Available","dateValue":"2015-03-07"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-DPS13154013.pdf","filesize":[{"value":"1.5 MB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"660","billingrole":"5"},{"tax":["include_tax"],"price":"330","billingrole":"6"},{"tax":["include_tax"],"price":"0","billingrole":"34"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"6a42e92b-f68e-4738-98a7-ff780513b2fa","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2013 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"高田, 慎也"},{"creatorName":"元田, 敏浩"},{"creatorName":"中原, 慎一"}],"nameIdentifiers":[{}]}]},"item_4_creator_6":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Shinya, Takada","creatorNameLang":"en"},{"creatorName":"Toshihiro, Motoda","creatorNameLang":"en"},{"creatorName":"Shinichi, Nakahara","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN10116224","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_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"類似するファイルを PC やサーバの中から高速かつ高精度に見つけ出すことに対するニーズは高く、ファジーハッシュ測定法、エントロピー測定法といった様々な研究が行われている。本稿では特に、エントロピーを使った類似度測定法に着目する。従来のエントロピー測定法では、ファイル全体のエントロピー値を比較するため、無関係のファイル対について偶然類似度を高く評価してしまう事例が散見される。これを解決するためにファイルを区分に分け、個々の区分でのエントロピー値を求め、そのスペクトルを比較することで類似度評価を行う新手法を提案し、その有効性を評価実験により示す。","subitem_description_type":"Other"}]},"item_4_description_8":{"attribute_name":"論文抄録(英)","attribute_value_mlt":[{"subitem_description":"The needs to detect similar files from PCs and servers are high, and to achieve this many methods are reported like fuzzy hashing, entropy evaluation. In this paper we focus on entropy evaluation. In conventional method entropy of entire file is measured and for this in some case is failed to detect unrelated files similar. To improve this we suggest new method separating files and measuring partitioned entropy and comparing spectrum of partitioned entropy. We also report the experimental results of new method.","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"8","bibliographic_titles":[{"bibliographic_title":"研究報告マルチメディア通信と分散処理（DPS）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2013-03-07","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"13","bibliographicVolumeNumber":"2013-DPS-154"}]},"relation_version_is_last":true,"weko_creator_id":"11"},"id":91104,"links":{}}