{"id":"https://openalex.org/W2765958640","doi":"https://doi.org/10.1007/978-3-319-69811-3_45","title":"Directcha-maze: A Study of CAPTCHA Configuration with Machine Learning and Brute-Force Attack Defensibility Along with User Convenience Consideration","display_name":"Directcha-maze: A Study of CAPTCHA Configuration with Machine Learning and Brute-Force Attack Defensibility Along with User Convenience Consideration","publication_year":2017,"publication_date":"2017-11-01","ids":{"openalex":"https://openalex.org/W2765958640","doi":"https://doi.org/10.1007/978-3-319-69811-3_45","mag":"2765958640"},"language":"en","primary_location":{"id":"doi:10.1007/978-3-319-69811-3_45","is_oa":false,"landing_page_url":"https://doi.org/10.1007/978-3-319-69811-3_45","pdf_url":null,"source":{"id":"https://openalex.org/S4210216571","display_name":"Lecture notes on data engineering and communications technologies","issn_l":"2367-4512","issn":["2367-4512","2367-4520"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319972","host_organization_name":"Springer International Publishing","host_organization_lineage":["https://openalex.org/P4310319972","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer International Publishing","Springer Nature"],"type":"book series"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lecture Notes on Data Engineering and Communications Technologies","raw_type":"book-chapter"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5062809101","display_name":"Ayane Sano","orcid":"https://orcid.org/0000-0002-6938-2970"},"institutions":[{"id":"https://openalex.org/I1298590031","display_name":"Shizuoka University","ror":"https://ror.org/01w6wtk13","country_code":"JP","type":"education","lineage":["https://openalex.org/I1298590031"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Ayane Sano","raw_affiliation_strings":["Shizuoka University, Hamamatsu, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Shizuoka University, Hamamatsu, Japan","institution_ids":["https://openalex.org/I1298590031"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5027837299","display_name":"Masahiro Fujita","orcid":"https://orcid.org/0000-0002-6516-4175"},"institutions":[{"id":"https://openalex.org/I1298590031","display_name":"Shizuoka University","ror":"https://ror.org/01w6wtk13","country_code":"JP","type":"education","lineage":["https://openalex.org/I1298590031"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Masahiro Fujita","raw_affiliation_strings":["Shizuoka University, Hamamatsu, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Shizuoka University, Hamamatsu, Japan","institution_ids":["https://openalex.org/I1298590031"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5044555670","display_name":"Masakatsu Nishigaki","orcid":"https://orcid.org/0000-0001-6048-3495"},"institutions":[{"id":"https://openalex.org/I1298590031","display_name":"Shizuoka University","ror":"https://ror.org/01w6wtk13","country_code":"JP","type":"education","lineage":["https://openalex.org/I1298590031"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Masakatsu Nishigaki","raw_affiliation_strings":["Shizuoka University, Hamamatsu, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Shizuoka University, Hamamatsu, Japan","institution_ids":["https://openalex.org/I1298590031"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I1298590031"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"489","last_page":"501"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11800","display_name":"User Authentication and Security Systems","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11800","display_name":"User Authentication and Security Systems","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10803","display_name":"Innovative Human-Technology Interaction","score":0.991100013256073,"subfield":{"id":"https://openalex.org/subfields/1709","display_name":"Human-Computer Interaction"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10709","display_name":"Social Robot Interaction and HRI","score":0.9804999828338623,"subfield":{"id":"https://openalex.org/subfields/3207","display_name":"Social Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/captcha","display_name":"CAPTCHA","score":0.9885324835777283},{"id":"https://openalex.org/keywords/turing-test","display_name":"Turing test","score":0.7098626494407654},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.705600380897522},{"id":"https://openalex.org/keywords/task","display_name":"Task (project management)","score":0.6427474021911621},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4527885317802429},{"id":"https://openalex.org/keywords/turing","display_name":"Turing","score":0.42745858430862427},{"id":"https://openalex.org/keywords/human\u2013computer-interaction","display_name":"Human\u2013computer interaction","score":0.38480648398399353},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.11843672394752502},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.08889192342758179}],"concepts":[{"id":"https://openalex.org/C163339463","wikidata":"https://www.wikidata.org/wiki/Q484598","display_name":"CAPTCHA","level":2,"score":0.9885324835777283},{"id":"https://openalex.org/C577917","wikidata":"https://www.wikidata.org/wiki/Q189223","display_name":"Turing test","level":2,"score":0.7098626494407654},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.705600380897522},{"id":"https://openalex.org/C2780451532","wikidata":"https://www.wikidata.org/wiki/Q759676","display_name":"Task (project management)","level":2,"score":0.6427474021911621},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4527885317802429},{"id":"https://openalex.org/C9870796","wikidata":"https://www.wikidata.org/wiki/Q490481","display_name":"Turing","level":2,"score":0.42745858430862427},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.38480648398399353},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.11843672394752502},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.08889192342758179},{"id":"https://openalex.org/C201995342","wikidata":"https://www.wikidata.org/wiki/Q682496","display_name":"Systems engineering","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/978-3-319-69811-3_45","is_oa":false,"landing_page_url":"https://doi.org/10.1007/978-3-319-69811-3_45","pdf_url":null,"source":{"id":"https://openalex.org/S4210216571","display_name":"Lecture notes on data engineering and communications technologies","issn_l":"2367-4512","issn":["2367-4512","2367-4520"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319972","host_organization_name":"Springer International Publishing","host_organization_lineage":["https://openalex.org/P4310319972","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer International Publishing","Springer Nature"],"type":"book series"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lecture Notes on Data Engineering and Communications Technologies","raw_type":"book-chapter"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/10","score":0.7400000095367432,"display_name":"Reduced inequalities"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W1434764788","https://openalex.org/W1969670714","https://openalex.org/W1970243262","https://openalex.org/W2029182003","https://openalex.org/W2065343501","https://openalex.org/W2113321599","https://openalex.org/W2138992572","https://openalex.org/W2156749117","https://openalex.org/W2609696675","https://openalex.org/W4231610351"],"related_works":["https://openalex.org/W4312500010","https://openalex.org/W2965099444","https://openalex.org/W2086464669","https://openalex.org/W1999034556","https://openalex.org/W1998496804","https://openalex.org/W1991242267","https://openalex.org/W3144744384","https://openalex.org/W3015118614","https://openalex.org/W2019322056","https://openalex.org/W33990236"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
