{"created":"2025-01-19T01:15:59.402032+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00215214","sets":["6504:10735:10807"]},"path":["10807"],"owner":"44499","recid":"215214","title":["ブロックチェーンでの条件提示と同意に基づいた位置情報提供システムの提案"],"pubdate":{"attribute_name":"公開日","attribute_value":"2021-03-04"},"_buckets":{"deposit":"6fe0e886-8fbf-4098-96ed-6e8f19a68f03"},"_deposit":{"id":"215214","pid":{"type":"depid","value":"215214","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"ブロックチェーンでの条件提示と同意に基づいた位置情報提供システムの提案","author_link":["554032","554031"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"ブロックチェーンでの条件提示と同意に基づいた位置情報提供システムの提案"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"ネットワーク","subitem_subject_scheme":"Other"}]},"item_type_id":"22","publish_date":"2021-03-04","item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_22_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"千葉工大"},{"subitem_text_value":"千葉工大"}]},"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/215214/files/IPSJ-Z83-2V-03.pdf","label":"IPSJ-Z83-2V-03.pdf"},"date":[{"dateType":"Available","dateValue":"2021-12-29"}],"format":"application/pdf","filename":"IPSJ-Z83-2V-03.pdf","filesize":[{"value":"312.1 kB"}],"mimetype":"application/pdf","accessrole":"open_date","version_id":"f029e109-7c96-4d12-bd25-9d6e047534b9","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2021 by the Information Processing Society of Japan"}]},"item_22_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"伊部, 友貴"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"新井, 浩志"}],"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_22_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN00349328","subitem_source_identifier_type":"NCID"}]},"item_22_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"位置情報を提供する際には，ユーザの同意が必要である．従来研究では，ブロックチェーンを利用して契約と位置情報を管理する手法が提案されている．しかし，ブロックチェーンはデータの消去ができないことから，位置情報を書き込むことはプライバシーの侵害につながる可能性がある．そこで本提案では，位置情報を提供するための条件とその条件に対するユーザの同意をブロックチェーン上に書き込むことで契約を行い，ユーザはその条件に基づいて位置情報を直接利用者に提供する手法を提案する．位置情報を提供する際には暗号化するとともにデジタル署名を付加することで，本人確認とプライバシー保護を両立する．","subitem_description_type":"Other"}]},"item_22_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"232","bibliographic_titles":[{"bibliographic_title":"第83回全国大会講演論文集"}],"bibliographicPageStart":"231","bibliographicIssueDates":{"bibliographicIssueDate":"2021-03-04","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"1","bibliographicVolumeNumber":"2021"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"id":215214,"updated":"2025-01-19T16:16:00.569382+00:00","links":{}}