{"id":"https://openalex.org/W2096003837","doi":"https://doi.org/10.1007/s00200-010-0125-1","title":"Extensions of access structures and their cryptographic applications","display_name":"Extensions of access structures and their cryptographic applications","publication_year":2010,"publication_date":"2010-04-19","ids":{"openalex":"https://openalex.org/W2096003837","doi":"https://doi.org/10.1007/s00200-010-0125-1","mag":"2096003837"},"language":"en","primary_location":{"id":"doi:10.1007/s00200-010-0125-1","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s00200-010-0125-1","pdf_url":null,"source":{"id":"https://openalex.org/S44535979","display_name":"Applicable Algebra in Engineering Communication and Computing","issn_l":"0938-1279","issn":["0938-1279","1432-0622"],"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":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Applicable Algebra in Engineering, Communication and Computing","raw_type":"journal-article"},"type":"article","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/A5045619039","display_name":"Vanesa Daza","orcid":"https://orcid.org/0000-0003-0583-7929"},"institutions":[{"id":"https://openalex.org/I170486558","display_name":"Universitat Pompeu Fabra","ror":"https://ror.org/04n0g0b29","country_code":"ES","type":"education","lineage":["https://openalex.org/I170486558"]}],"countries":["ES"],"is_corresponding":true,"raw_author_name":"Vanesa Daza","raw_affiliation_strings":["Dept. Tecnologies de la Informaci\u00f3 i les Comunicacions, Universitat Pompeu Fabra, C. T\u00e0nger, 122-140, Barcelona, Spain","Universitat Pompeu Fabra, Dept. Tecnologies de la Informaci\u00f3 i les Comunicacions, C. T\u00e0nger, 122-140, Barcelona, Spain#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. Tecnologies de la Informaci\u00f3 i les Comunicacions, Universitat Pompeu Fabra, C. T\u00e0nger, 122-140, Barcelona, Spain","institution_ids":["https://openalex.org/I170486558"]},{"raw_affiliation_string":"Universitat Pompeu Fabra, Dept. Tecnologies de la Informaci\u00f3 i les Comunicacions, C. T\u00e0nger, 122-140, Barcelona, Spain#TAB#","institution_ids":["https://openalex.org/I170486558"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5040360709","display_name":"Javier Herranz","orcid":"https://orcid.org/0000-0001-5141-7234"},"institutions":[{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Javier Herranz","raw_affiliation_strings":["Dept. Matem\u00e0tica Aplicada IV, Universitat Polit\u00e8cnica de Catalunya, C. Jordi Girona, 1-3, M\u00f2dul C3, Barcelona, Spain","Universitat Polit\u00e8cnica de Catalunya, Dept. Matem\u00e0tica Aplicada IV, C. Jordi Girona, 1-3, M\u00f2dul C3, Barcelona, Spain#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. Matem\u00e0tica Aplicada IV, Universitat Polit\u00e8cnica de Catalunya, C. Jordi Girona, 1-3, M\u00f2dul C3, Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]},{"raw_affiliation_string":"Universitat Polit\u00e8cnica de Catalunya, Dept. Matem\u00e0tica Aplicada IV, C. Jordi Girona, 1-3, M\u00f2dul C3, Barcelona, Spain#TAB#","institution_ids":["https://openalex.org/I9617848"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036197940","display_name":"Paz Morillo","orcid":"https://orcid.org/0000-0002-0063-2716"},"institutions":[{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Paz Morillo","raw_affiliation_strings":["Dept. Matem\u00e0tica Aplicada IV, Universitat Polit\u00e8cnica de Catalunya, C. Jordi Girona, 1-3, M\u00f2dul C3, Barcelona, Spain","Universitat Polit\u00e8cnica de Catalunya, Dept. Matem\u00e0tica Aplicada IV, C. Jordi Girona, 1-3, M\u00f2dul C3, Barcelona, Spain#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. Matem\u00e0tica Aplicada IV, Universitat Polit\u00e8cnica de Catalunya, C. Jordi Girona, 1-3, M\u00f2dul C3, Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]},{"raw_affiliation_string":"Universitat Polit\u00e8cnica de Catalunya, Dept. Matem\u00e0tica Aplicada IV, C. Jordi Girona, 1-3, M\u00f2dul C3, Barcelona, Spain#TAB#","institution_ids":["https://openalex.org/I9617848"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5033708425","display_name":"Carla R\u00e0fols","orcid":"https://orcid.org/0000-0002-7035-9049"},"institutions":[{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Carla R\u00e0fols","raw_affiliation_strings":["Dept. Matem\u00e0tica Aplicada IV, Universitat Polit\u00e8cnica de Catalunya, C. Jordi Girona, 1-3, M\u00f2dul C3, Barcelona, Spain","Universitat Polit\u00e8cnica de Catalunya, Dept. Matem\u00e0tica Aplicada IV, C. Jordi Girona, 1-3, M\u00f2dul C3, Barcelona, Spain#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. Matem\u00e0tica Aplicada IV, Universitat Polit\u00e8cnica de Catalunya, C. Jordi Girona, 1-3, M\u00f2dul C3, Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]},{"raw_affiliation_string":"Universitat Polit\u00e8cnica de Catalunya, Dept. Matem\u00e0tica Aplicada IV, C. Jordi Girona, 1-3, M\u00f2dul C3, Barcelona, Spain#TAB#","institution_ids":["https://openalex.org/I9617848"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5045619039"],"corresponding_institution_ids":["https://openalex.org/I170486558"],"apc_list":{"value":2290,"currency":"EUR","value_usd":2890},"apc_paid":null,"fwci":3.2637,"has_fulltext":false,"cited_by_count":15,"citation_normalized_percentile":{"value":0.92481737,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"21","issue":"4","first_page":"257","last_page":"284"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10237","display_name":"Cryptography and Data Security","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T10237","display_name":"Cryptography and Data Security","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T10951","display_name":"Cryptographic Implementations and Security","score":0.9943000078201294,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T11504","display_name":"Advanced Authentication Protocols Security","score":0.9943000078201294,"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/access-structure","display_name":"Access structure","score":0.8023518919944763},{"id":"https://openalex.org/keywords/extension","display_name":"Extension (predicate logic)","score":0.6511486768722534},{"id":"https://openalex.org/keywords/prime","display_name":"Prime (order theory)","score":0.633211612701416},{"id":"https://openalex.org/keywords/monotone-polygon","display_name":"Monotone polygon","score":0.6136924624443054},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.5846593379974365},{"id":"https://openalex.org/keywords/encryption","display_name":"Encryption","score":0.5750182867050171},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.5309550166130066},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.5124238133430481},{"id":"https://openalex.org/keywords/secret-sharing","display_name":"Secret sharing","score":0.4721629321575165},{"id":"https://openalex.org/keywords/vector-space","display_name":"Vector space","score":0.4520452320575714},{"id":"https://openalex.org/keywords/cryptography","display_name":"Cryptography","score":0.4303117096424103},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.2992855906486511},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.17106902599334717},{"id":"https://openalex.org/keywords/pure-mathematics","display_name":"Pure mathematics","score":0.10244384407997131}],"concepts":[{"id":"https://openalex.org/C2778950925","wikidata":"https://www.wikidata.org/wiki/Q4672474","display_name":"Access structure","level":4,"score":0.8023518919944763},{"id":"https://openalex.org/C2778029271","wikidata":"https://www.wikidata.org/wiki/Q5421931","display_name":"Extension (predicate logic)","level":2,"score":0.6511486768722534},{"id":"https://openalex.org/C184992742","wikidata":"https://www.wikidata.org/wiki/Q7243229","display_name":"Prime (order theory)","level":2,"score":0.633211612701416},{"id":"https://openalex.org/C2834757","wikidata":"https://www.wikidata.org/wiki/Q4925424","display_name":"Monotone polygon","level":2,"score":0.6136924624443054},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.5846593379974365},{"id":"https://openalex.org/C148730421","wikidata":"https://www.wikidata.org/wiki/Q141090","display_name":"Encryption","level":2,"score":0.5750182867050171},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.5309550166130066},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.5124238133430481},{"id":"https://openalex.org/C3087436","wikidata":"https://www.wikidata.org/wiki/Q1386603","display_name":"Secret sharing","level":3,"score":0.4721629321575165},{"id":"https://openalex.org/C13336665","wikidata":"https://www.wikidata.org/wiki/Q125977","display_name":"Vector space","level":2,"score":0.4520452320575714},{"id":"https://openalex.org/C178489894","wikidata":"https://www.wikidata.org/wiki/Q8789","display_name":"Cryptography","level":2,"score":0.4303117096424103},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.2992855906486511},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.17106902599334717},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.10244384407997131},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/s00200-010-0125-1","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s00200-010-0125-1","pdf_url":null,"source":{"id":"https://openalex.org/S44535979","display_name":"Applicable Algebra in Engineering Communication and Computing","issn_l":"0938-1279","issn":["0938-1279","1432-0622"],"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":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Applicable Algebra in Engineering, Communication and Computing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":30,"referenced_works":["https://openalex.org/W1498316612","https://openalex.org/W1498769097","https://openalex.org/W1507039798","https://openalex.org/W1510795740","https://openalex.org/W1558116972","https://openalex.org/W1576572940","https://openalex.org/W1752398301","https://openalex.org/W1776561851","https://openalex.org/W1805062869","https://openalex.org/W1905774212","https://openalex.org/W2015101688","https://openalex.org/W2047488429","https://openalex.org/W2052267638","https://openalex.org/W2083952939","https://openalex.org/W2086042811","https://openalex.org/W2097638666","https://openalex.org/W2101330985","https://openalex.org/W2108072891","https://openalex.org/W2108834246","https://openalex.org/W2111781167","https://openalex.org/W2116556172","https://openalex.org/W2116881075","https://openalex.org/W2117184772","https://openalex.org/W2117685508","https://openalex.org/W2138001464","https://openalex.org/W2141420453","https://openalex.org/W2178407497","https://openalex.org/W2223862429","https://openalex.org/W2970097841","https://openalex.org/W4285719527"],"related_works":["https://openalex.org/W1520180051","https://openalex.org/W1426154471","https://openalex.org/W2442468934","https://openalex.org/W2147096936","https://openalex.org/W1989428224","https://openalex.org/W1574922502","https://openalex.org/W2366423588","https://openalex.org/W2102302508","https://openalex.org/W3158616655","https://openalex.org/W2390955717"],"abstract_inverted_index":null,"counts_by_year":[{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":3},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":5}],"updated_date":"2026-06-19T15:47:20.252518","created_date":"2025-10-10T00:00:00"}