{"created":"2025-05-15T05:36:55.492054+00:00","id":2000147,"links":{},"metadata":{"_buckets":{"deposit":"14061971-9f0b-4bfe-85e0-7a7975a789eb"},"_deposit":{"created_by":7,"id":"2000147","owner":"7","owners":[7],"pid":{"revision_id":0,"type":"depid","value":"2000147"},"status":"published"},"_oai":{"id":"oai:jin-ai.repo.nii.ac.jp:02000147","sets":["1747121120756:1747126158944"]},"author_link":["3817"],"item_10002_biblio_info_7":{"attribute_name":"bibliographic_information","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2025-03-20","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"1","bibliographicPageEnd":"11","bibliographicPageStart":"1","bibliographic_titles":[{"bibliographic_title":"コミュニケーション学科論集","bibliographic_titleLang":"ja"}]}]},"item_10002_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"近年，SNSを介した重要犯罪の被害児童数が増加傾向にある．本研究ではこれらの社会的背景をふまえ，SNS上の重要犯罪密接関連情報を抽出するアルゴリズムを開発し，サイバー防犯パトロールシステムの構築に向けた検討を行った．XおよびInstagramを対象とし，AI-OCRを活用した画像内文字情報の抽出と，Random Forestを用いたテキスト分類手法を組み合わせることで，高精度な有害情報検出を可能にした．実証実験の結果，重要犯罪密接関連情報の分類精度は99%と高く，SNS上の隠語や暗号的表現を考慮した情報抽出が可能であることが確認された．今後の課題として，新たな犯罪手口への対応，TikTokやDiscordなど他のプラットフォームへの適用，法規制との整合性を考慮した社会実装が挙げられる．本研究の成果は，SNSを悪用した犯罪の早期発見・抑止に寄与し，安全なインターネット環境の実現に貢献することが期待される．","subitem_description_language":"ja","subitem_description_type":"Abstract"}]},"item_10002_identifier_registration":{"attribute_name":"identifier_registration","attribute_value_mlt":[{"subitem_identifier_reg_text":"10.57426/0002000147","subitem_identifier_reg_type":"JaLC"}]},"item_10002_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"仁愛大学人間学部コミュニケーション学科","subitem_publisher_language":"ja"}]},"item_10002_source_id_11":{"attribute_name":"item_10002_source_id_11","attribute_value_mlt":[{"subitem_source_identifier":"AB00068368","subitem_source_identifier_type":"NCID"}]},"item_10002_source_id_9":{"attribute_name":"item_10002_source_id_9","attribute_value_mlt":[{"subitem_source_identifier":"2759887X","subitem_source_identifier_type":"ISSN"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"安彦, 智史","creatorNameLang":"ja"},{"creatorName":"アビコ, サトシ","creatorNameLang":"ja-Kana"}],"familyNames":[{"familyName":"安彦","familyNameLang":"ja"},{"familyName":"アビコ","familyNameLang":"ja-Kana"}],"givenNames":[{"givenName":"智史","givenNameLang":"ja"},{"givenName":"サトシ","givenNameLang":"ja-Kana"}],"nameIdentifiers":[{"nameIdentifier":"3817","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"池辺, 正典","creatorNameLang":"ja"}],"familyNames":[{"familyName":"池辺","familyNameLang":"ja"}],"givenNames":[{"givenName":"正典","givenNameLang":"ja"}]},{"creatorNames":[{"creatorName":"櫻井, 淳","creatorNameLang":"ja"}],"familyNames":[{"familyName":"櫻井","familyNameLang":"ja"}],"givenNames":[{"givenName":"淳","givenNameLang":"ja"}]},{"creatorNames":[{"creatorName":"藤本, 雄紀","creatorNameLang":"ja"}],"familyNames":[{"familyName":"藤本","familyNameLang":"ja"}],"givenNames":[{"givenName":"雄紀","givenNameLang":"ja"}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_access","date":[{"dateType":"Available","dateValue":"2025-05-15"}],"filename":"CMv1-p1-11.pdf","filesize":[{"value":"4.4 MB"}],"format":"application/pdf","url":{"url":"https://jin-ai.repo.nii.ac.jp/record/2000147/files/CMv1-p1-11.pdf"},"version_id":"b7fe2ceb-c874-46ca-8447-2eb931077a30"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"AI","subitem_subject_language":"ja","subitem_subject_scheme":"Other"},{"subitem_subject":"SNS","subitem_subject_language":"ja","subitem_subject_scheme":"Other"},{"subitem_subject":"重要犯罪密接関連情報","subitem_subject_language":"ja","subitem_subject_scheme":"Other"},{"subitem_subject":"違法・有害情報","subitem_subject_language":"ja","subitem_subject_scheme":"Other"},{"subitem_subject":"子ども学","subitem_subject_language":"ja","subitem_subject_scheme":"Other"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_resource_type":{"attribute_name":"item_resource_type","attribute_value_mlt":[{"resourcetype":"departmental bulletin paper","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"サイバー防犯パトロールシステム構築における重要犯罪密接関連情報抽出アルゴリズムの検討","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"サイバー防犯パトロールシステム構築における重要犯罪密接関連情報抽出アルゴリズムの検討","subitem_title_language":"ja"}]},"item_type_id":"10002","owner":"7","path":["1747126158944"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2025-05-15"},"publish_date":"2025-05-15","publish_status":"0","recid":"2000147","relation_version_is_last":true,"title":["サイバー防犯パトロールシステム構築における重要犯罪密接関連情報抽出アルゴリズムの検討"],"weko_creator_id":"7","weko_shared_id":-1},"updated":"2025-05-15T05:50:47.621034+00:00"}