{"_buckets": {"deposit": "2d8ead18-8cf4-443a-b924-42b5f07a3f62"}, "_deposit": {"id": "21363", "owners": [], "pid": {"revision_id": 0, "type": "depid", "value": "21363"}, "status": "published"}, "_oai": {"id": "oai:nagoya.repo.nii.ac.jp:00021363", "sets": ["490"]}, "author_link": ["61685", "61686", "61687", "61688", "61689", "61690", "61691", "61692", "61693", "61694"], "item_10_alternative_title_19": {"attribute_name": "その他のタイトル", "attribute_value_mlt": [{"subitem_alternative_title": "Picture-authentication system (1) : How users select registration pictures ?", "subitem_alternative_title_language": "en"}]}, "item_10_biblio_info_6": {"attribute_name": "書誌情報", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "2012-05", "bibliographicIssueDateType": "Issued"}, "bibliographicIssueNumber": "35", "bibliographicPageEnd": "8", "bibliographicPageStart": "1", "bibliographicVolumeNumber": "112", "bibliographic_titles": [{"bibliographic_title": "電子情報通信学会技術研究報告. LOIS, ライフインテリジェンスとオフィス情報システム", "bibliographic_titleLang": "ja"}]}]}, "item_10_description_4": {"attribute_name": "抄録", "attribute_value_mlt": [{"subitem_description": "画像認証は,新しい電子的本人認証システムの1つである.このシステムの利用者は,思い出の写真やイラスト等を予め登録しておき,認証時に登録画像をディストラクタ画像の中から正しく選び出すことによって本人認証を行う.画像認証は従来のパスワード等と比べて,容易かつ強固な本人認証を実現できるものとして期待されている.画像認証のシステムの強度は登録画像の特性に大きく依存する.しかし,実際にどのような画像が登録されうるか,また,画像選択にどのような心理的要因が影響を及ぼすかについては未だ明らかにされていない.そこで本研究では,大学生47名に擬似的に認証画像の登録を求め,その後,個別の画像について登録の意思や登録への抵抗感を尋ね,画像への思い入れや認証画像としての適切性を自己評価させる質問紙調査を行った.その結果,画像を登録する意思には,登録画像の認証画像としての主観的な適切性,登録への抵抗感,画像への愛着,自分の登録画像であることの認識容易性といった要因が影響することが示された.したがって,画像認証システムの強度を向上させるためには,登録への抵抗感の低減させる必要があると考えられる.また,どのような画像が認証に適しているかについて,利用者への周知を行うべきであろう.", "subitem_description_language": "ja", "subitem_description_type": "Abstract"}, {"subitem_description": "The picture-authentication system is a new system that users can identify themselves in cyberspace by correctly picking out pictures registered by themselves. The picture-authentication is safer and easier to use than systems using a password because memorable photos and illustrations can be used instead of a letter string that are likely to be forgotten. However, no studies have revealed features of the pictures and psychological variables that may influence users\u0027 decision to choose the pictures. Thus, we asked participants (47 undergraduate students) to register their own pictures to a trial picture-authentication system, and examined their willingness to actually resister the pictures on the system after a two-months-interval. Results indicated that their willingness was positively related to the feelings of appropriateness, attachment, and identifiability of the pictures, and was negatively related to the feeling of resistance for the system. We suggest that it is important to reduce the resistance for registration and to popularize what kind of pictures are appropriate for the authentication.", "subitem_description_language": "en", "subitem_description_type": "Abstract"}]}, "item_10_description_5": {"attribute_name": "内容記述", "attribute_value_mlt": [{"subitem_description": "情報処理学会研究報告Vol.2012-GN-84 No.1, Vol.2012-SPT-3 No.1", "subitem_description_language": "ja", "subitem_description_type": "Other"}]}, "item_10_identifier_60": {"attribute_name": "URI", "attribute_value_mlt": [{"subitem_identifier_type": "URI", "subitem_identifier_uri": "http://ci.nii.ac.jp/naid/110009569118/"}, {"subitem_identifier_type": "HDL", "subitem_identifier_uri": "http://hdl.handle.net/2237/23507"}]}, "item_10_publisher_32": {"attribute_name": "出版者", "attribute_value_mlt": [{"subitem_publisher": "一般社団法人電子情報通信学会", "subitem_publisher_language": "ja"}]}, "item_10_relation_43": {"attribute_name": "関連情報", "attribute_value_mlt": [{"subitem_relation_type": 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