{"id":"https://openalex.org/W2112539145","doi":"https://doi.org/10.1007/978-3-540-69848-7_43","title":"Enhancing an Integer Challenge-Response Protocol","display_name":"Enhancing an Integer Challenge-Response Protocol","publication_year":2008,"publication_date":"2008-01-01","ids":{"openalex":"https://openalex.org/W2112539145","doi":"https://doi.org/10.1007/978-3-540-69848-7_43","mag":"2112539145"},"language":"en","primary_location":{"id":"doi:10.1007/978-3-540-69848-7_43","is_oa":false,"landing_page_url":"https://doi.org/10.1007/978-3-540-69848-7_43","pdf_url":null,"source":{"id":"https://openalex.org/S106296714","display_name":"Lecture notes in computer science","issn_l":"0302-9743","issn":["0302-9743","1611-3349"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"book series"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lecture Notes in Computer Science","raw_type":"book-chapter"},"type":"book-chapter","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/A5000009381","display_name":"Robson de Oliveira Albuquerque","orcid":"https://orcid.org/0000-0002-6717-3374"},"institutions":[{"id":"https://openalex.org/I97750245","display_name":"Software (Spain)","ror":"https://ror.org/02ethns06","country_code":"ES","type":"company","lineage":["https://openalex.org/I4210087817","https://openalex.org/I97750245"]},{"id":"https://openalex.org/I121748325","display_name":"Universidad Complutense de Madrid","ror":"https://ror.org/02p0gd045","country_code":"ES","type":"education","lineage":["https://openalex.org/I121748325"]}],"countries":["ES"],"is_corresponding":true,"raw_author_name":"Robson de Oliveira Albuquerque","raw_affiliation_strings":["Grupo de An\u00e1lisis, Seguridad y Sistemas (GASS) Departamento de Ingenier\u00eda del Software e Inteligencia Artificial Facultad de Inform\u00e1tica, Despacho 431, Universidad Complutense de Madrid (UCM), Madrid, Spain","Grupo de An\u00e1lisis, Seguridad y Sistemas (GASS) Departamento de Ingenier\u00eda del Software e Inteligencia Artificial Facultad de Inform\u00e1tica, Despacho 431, Universidad Complutense de Ma "],"affiliations":[{"raw_affiliation_string":"Grupo de An\u00e1lisis, Seguridad y Sistemas (GASS) Departamento de Ingenier\u00eda del Software e Inteligencia Artificial Facultad de Inform\u00e1tica, Despacho 431, Universidad Complutense de Madrid (UCM), Madrid, Spain","institution_ids":["https://openalex.org/I121748325","https://openalex.org/I97750245"]},{"raw_affiliation_string":"Grupo de An\u00e1lisis, Seguridad y Sistemas (GASS) Departamento de Ingenier\u00eda del Software e Inteligencia Artificial Facultad de Inform\u00e1tica, Despacho 431, Universidad Complutense de Ma ","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5086946465","display_name":"Luis Javier Garc\u00eda Villalba","orcid":"https://orcid.org/0000-0001-7573-6272"},"institutions":[{"id":"https://openalex.org/I97750245","display_name":"Software (Spain)","ror":"https://ror.org/02ethns06","country_code":"ES","type":"company","lineage":["https://openalex.org/I4210087817","https://openalex.org/I97750245"]},{"id":"https://openalex.org/I121748325","display_name":"Universidad Complutense de Madrid","ror":"https://ror.org/02p0gd045","country_code":"ES","type":"education","lineage":["https://openalex.org/I121748325"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Luis Javier Garc\u00eda Villalba","raw_affiliation_strings":["Grupo de An\u00e1lisis, Seguridad y Sistemas (GASS) Departamento de Ingenier\u00eda del Software e Inteligencia Artificial Facultad de Inform\u00e1tica, Despacho 431, Universidad Complutense de Madrid (UCM), Madrid, Spain","Grupo de An\u00e1lisis, Seguridad y Sistemas (GASS) Departamento de Ingenier\u00eda del Software e Inteligencia Artificial Facultad de Inform\u00e1tica, Despacho 431, Universidad Complutense de Ma "],"affiliations":[{"raw_affiliation_string":"Grupo de An\u00e1lisis, Seguridad y Sistemas (GASS) Departamento de Ingenier\u00eda del Software e Inteligencia Artificial Facultad de Inform\u00e1tica, Despacho 431, Universidad Complutense de Madrid (UCM), Madrid, Spain","institution_ids":["https://openalex.org/I121748325","https://openalex.org/I97750245"]},{"raw_affiliation_string":"Grupo de An\u00e1lisis, Seguridad y Sistemas (GASS) Departamento de Ingenier\u00eda del Software e Inteligencia Artificial Facultad de Inform\u00e1tica, Despacho 431, Universidad Complutense de Ma ","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5056962045","display_name":"Rafael T. de Sousa","orcid":"https://orcid.org/0000-0003-1101-3029"},"institutions":[{"id":"https://openalex.org/I150729083","display_name":"Universidade de Bras\u00edlia","ror":"https://ror.org/02xfp8v59","country_code":"BR","type":"education","lineage":["https://openalex.org/I150729083"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Rafael Tim\u00f3teo de Sousa","raw_affiliation_strings":["Departamento de Engenharia El\u00e9trica Faculdade de Tecnologia, Universidade de Bras\u00edlia, Asa Norte --- Bras\u00edlia --- DF, Brazil CEP 70.910-900"],"affiliations":[{"raw_affiliation_string":"Departamento de Engenharia El\u00e9trica Faculdade de Tecnologia, Universidade de Bras\u00edlia, Asa Norte --- Bras\u00edlia --- DF, Brazil CEP 70.910-900","institution_ids":["https://openalex.org/I150729083"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5000009381"],"corresponding_institution_ids":["https://openalex.org/I121748325","https://openalex.org/I97750245"],"apc_list":{"value":5000,"currency":"EUR","value_usd":5392},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.17965616,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"526","last_page":"540"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10772","display_name":"Distributed systems and fault tolerance","score":0.9991000294685364,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/T10772","display_name":"Distributed systems and fault tolerance","score":0.9991000294685364,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/T10742","display_name":"Peer-to-Peer Network Technologies","score":0.9980000257492065,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/T10246","display_name":"Mobile Ad Hoc Networks","score":0.9958000183105469,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8249731063842773},{"id":"https://openalex.org/keywords/integer","display_name":"Integer (computer science)","score":0.6251777410507202},{"id":"https://openalex.org/keywords/protocol","display_name":"Protocol (science)","score":0.6060729622840881},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.3780849874019623},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.3528977334499359},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.1937844455242157},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.0543954074382782}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8249731063842773},{"id":"https://openalex.org/C97137487","wikidata":"https://www.wikidata.org/wiki/Q729138","display_name":"Integer (computer science)","level":2,"score":0.6251777410507202},{"id":"https://openalex.org/C2780385302","wikidata":"https://www.wikidata.org/wiki/Q367158","display_name":"Protocol (science)","level":3,"score":0.6060729622840881},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3780849874019623},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.3528977334499359},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.1937844455242157},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0543954074382782},{"id":"https://openalex.org/C204787440","wikidata":"https://www.wikidata.org/wiki/Q188504","display_name":"Alternative medicine","level":2,"score":0.0},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/978-3-540-69848-7_43","is_oa":false,"landing_page_url":"https://doi.org/10.1007/978-3-540-69848-7_43","pdf_url":null,"source":{"id":"https://openalex.org/S106296714","display_name":"Lecture notes in computer science","issn_l":"0302-9743","issn":["0302-9743","1611-3349"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"book series"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lecture Notes in Computer Science","raw_type":"book-chapter"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Peace, Justice and strong institutions","id":"https://metadata.un.org/sdg/16","score":0.49000000953674316}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W1520914943","https://openalex.org/W1891363781","https://openalex.org/W1961623891","https://openalex.org/W2100107987","https://openalex.org/W2107408053","https://openalex.org/W2108475361","https://openalex.org/W2141420453","https://openalex.org/W2150010995","https://openalex.org/W2163498454","https://openalex.org/W2619633776","https://openalex.org/W4248616056"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W4396696052","https://openalex.org/W4402327032","https://openalex.org/W2382290278"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}