{"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00079789","sets":["6164:6165:6640:6641"]},"path":["6641"],"owner":"10","recid":"79789","title":["階層型DHTにおける効率的な探索手法の提案と評価"],"pubdate":{"attribute_name":"公開日","attribute_value":"2011-06-30"},"_buckets":{"deposit":"5e619e38-230d-4037-9448-29487f4ab4bd"},"_deposit":{"id":"79789","pid":{"type":"depid","value":"79789","revision_id":0},"owners":[10],"status":"published","created_by":10},"item_title":"階層型DHTにおける効率的な探索手法の提案と評価","author_link":["0"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"階層型DHTにおける効率的な探索手法の提案と評価"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"P2P","subitem_subject_scheme":"Other"}]},"item_type_id":"18","publish_date":"2011-06-30","item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_18_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"公立はこだて未来大学大学院"},{"subitem_text_value":"公立はこだて未来大学"},{"subitem_text_value":"公立はこだて未来大学"},{"subitem_text_value":"公立はこだて未来大学"}]},"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/79789/files/IPSJ-DICOMO2011108.pdf"},"date":[{"dateType":"Available","dateValue":"2011-06-30"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-DICOMO2011108.pdf","filesize":[{"value":"629.2 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":"44"}],"accessrole":"open_date","version_id":"2141818b-531c-4671-a91f-be177fef581b","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2011 by the Information Processing Society of Japan"}]},"item_18_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"舟橋知論"},{"creatorName":"中村嘉隆"},{"creatorName":"白石陽"},{"creatorName":"高橋修"}],"nameIdentifiers":[{}]}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourceuri":"http://purl.org/coar/resource_type/c_5794","resourcetype":"conference paper"}]},"item_18_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"DHTにおける探索手法である再帰探索と反復探索は，ノードの離脱といったchurn動作の影響により探索の性能が悪化することがわかっている．churnが少ない場合においては反復探索より再帰探索の方が有効に働き，多くなると再帰探索が不利となり反復探索が有効となる．よって，最適な探索を行うために，churnの頻度により再帰探索と反復探索を使い分けることが必要となる．そこで本研究では，churn率によって再帰探索と反復探索を使い分ける探索手法を提案する．しかし，一般的なDHTでは周囲のchurn率を把握することが困難である．DHTを階層化した階層型DHTがあり，ノードの信頼性を考慮してノードを集約する階層型DHTではchurn率を把握することができる．そこで，信頼性を考慮した階層型DHTに対して再帰探索と反復探索を使い分ける探索手法を適用する．また，再帰探索，反復探索のどちらか一方のみを利用した場合と比較して，両探索手法の利点を活かすことができることをシミュレーション評価により示す．","subitem_description_type":"Other"}]},"item_18_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"805","bibliographic_titles":[{"bibliographic_title":"マルチメディア、分散協調とモバイルシンポジウム2011論文集"}],"bibliographicPageStart":"797","bibliographicIssueDates":{"bibliographicIssueDate":"2011-06-30","bibliographicIssueDateType":"Issued"},"bibliographicVolumeNumber":"2011"}]},"relation_version_is_last":true,"item_18_alternative_title_2":{"attribute_name":"その他タイトル","attribute_value_mlt":[{"subitem_alternative_title":"統一テーマセッション-P2P-"}]},"weko_creator_id":"10"},"id":79789,"updated":"2025-01-21T20:05:44.214185+00:00","links":{},"created":"2025-01-18T23:34:24.570373+00:00"}