{"id":"https://openalex.org/W2090481808","doi":"https://doi.org/10.1016/s1571-0661(04)80334-7","title":"Fast and Secure Recommendation Protocols among Members of a Community of Agents","display_name":"Fast and Secure Recommendation Protocols among Members of a Community of Agents","publication_year":2002,"publication_date":"2002-05-01","ids":{"openalex":"https://openalex.org/W2090481808","doi":"https://doi.org/10.1016/s1571-0661(04)80334-7","mag":"2090481808"},"language":"en","primary_location":{"id":"doi:10.1016/s1571-0661(04)80334-7","is_oa":true,"landing_page_url":"https://doi.org/10.1016/s1571-0661(04)80334-7","pdf_url":null,"source":{"id":"https://openalex.org/S50368787","display_name":"Electronic Notes in Theoretical Computer Science","issn_l":"1571-0661","issn":["1571-0661"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Electronic Notes in Theoretical Computer Science","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://doi.org/10.1016/s1571-0661(04)80334-7","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5009751930","display_name":"Javier Carb\u00f3","orcid":"https://orcid.org/0000-0001-7794-3398"},"institutions":[{"id":"https://openalex.org/I50357001","display_name":"Universidad Carlos III de Madrid","ror":"https://ror.org/03ths8210","country_code":"ES","type":"education","lineage":["https://openalex.org/I50357001"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Javier Carbo","raw_affiliation_strings":["Computer Science Department, University Carlos III, Madrid, Spain","Comput. Sci. Dept., Univ. Carlos III Madrid, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Computer Science Department, University Carlos III, Madrid, Spain","institution_ids":["https://openalex.org/I50357001"]},{"raw_affiliation_string":"Comput. Sci. Dept., Univ. Carlos III Madrid, Spain","institution_ids":["https://openalex.org/I50357001"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5031423617","display_name":"Jos\u00e9 M. Gir\u00f3n-Sierra","orcid":"https://orcid.org/0000-0002-6119-5257"},"institutions":[{"id":"https://openalex.org/I50357001","display_name":"Universidad Carlos III de Madrid","ror":"https://ror.org/03ths8210","country_code":"ES","type":"education","lineage":["https://openalex.org/I50357001"]}],"countries":["ES"],"is_corresponding":true,"raw_author_name":"Jose M. Sierra","raw_affiliation_strings":["Computer Science Department, University Carlos III, Madrid, Spain","Comput. Sci. Dept., Univ. Carlos III Madrid, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Computer Science Department, University Carlos III, Madrid, Spain","institution_ids":["https://openalex.org/I50357001"]},{"raw_affiliation_string":"Comput. Sci. Dept., Univ. Carlos III Madrid, Spain","institution_ids":["https://openalex.org/I50357001"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5031423617"],"corresponding_institution_ids":["https://openalex.org/I50357001"],"apc_list":null,"apc_paid":null,"fwci":0.4226,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.68994816,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"63","issue":null,"first_page":"17","last_page":"28"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10237","display_name":"Cryptography and Data Security","score":0.9995999932289124,"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":0.9995999932289124,"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/T10927","display_name":"Access Control and Trust","score":0.9987999796867371,"subfield":{"id":"https://openalex.org/subfields/3312","display_name":"Sociology and Political Science"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T11504","display_name":"Advanced Authentication Protocols Security","score":0.9987000226974487,"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":0.7540814876556396},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.7440863847732544},{"id":"https://openalex.org/keywords/reputation","display_name":"Reputation","score":0.6850394010543823},{"id":"https://openalex.org/keywords/the-internet","display_name":"The Internet","score":0.6192640066146851},{"id":"https://openalex.org/keywords/encryption","display_name":"Encryption","score":0.5891067981719971},{"id":"https://openalex.org/keywords/internet-privacy","display_name":"Internet privacy","score":0.5775749087333679},{"id":"https://openalex.org/keywords/hacker","display_name":"Hacker","score":0.5709708333015442},{"id":"https://openalex.org/keywords/hash-function","display_name":"Hash function","score":0.5430017113685608},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.43899235129356384},{"id":"https://openalex.org/keywords/order","display_name":"Order (exchange)","score":0.43632039427757263},{"id":"https://openalex.org/keywords/asset","display_name":"Asset (computer security)","score":0.4134209454059601},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.25762441754341125},{"id":"https://openalex.org/keywords/business","display_name":"Business","score":0.24485132098197937}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7540814876556396},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.7440863847732544},{"id":"https://openalex.org/C48798503","wikidata":"https://www.wikidata.org/wiki/Q877546","display_name":"Reputation","level":2,"score":0.6850394010543823},{"id":"https://openalex.org/C110875604","wikidata":"https://www.wikidata.org/wiki/Q75","display_name":"The Internet","level":2,"score":0.6192640066146851},{"id":"https://openalex.org/C148730421","wikidata":"https://www.wikidata.org/wiki/Q141090","display_name":"Encryption","level":2,"score":0.5891067981719971},{"id":"https://openalex.org/C108827166","wikidata":"https://www.wikidata.org/wiki/Q175975","display_name":"Internet privacy","level":1,"score":0.5775749087333679},{"id":"https://openalex.org/C86844869","wikidata":"https://www.wikidata.org/wiki/Q2798820","display_name":"Hacker","level":2,"score":0.5709708333015442},{"id":"https://openalex.org/C99138194","wikidata":"https://www.wikidata.org/wiki/Q183427","display_name":"Hash function","level":2,"score":0.5430017113685608},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.43899235129356384},{"id":"https://openalex.org/C182306322","wikidata":"https://www.wikidata.org/wiki/Q1779371","display_name":"Order (exchange)","level":2,"score":0.43632039427757263},{"id":"https://openalex.org/C76178495","wikidata":"https://www.wikidata.org/wiki/Q4808784","display_name":"Asset (computer security)","level":2,"score":0.4134209454059601},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.25762441754341125},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.24485132098197937},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"score":0.0},{"id":"https://openalex.org/C10138342","wikidata":"https://www.wikidata.org/wiki/Q43015","display_name":"Finance","level":1,"score":0.0},{"id":"https://openalex.org/C36289849","wikidata":"https://www.wikidata.org/wiki/Q34749","display_name":"Social science","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/s1571-0661(04)80334-7","is_oa":true,"landing_page_url":"https://doi.org/10.1016/s1571-0661(04)80334-7","pdf_url":null,"source":{"id":"https://openalex.org/S50368787","display_name":"Electronic Notes in Theoretical Computer Science","issn_l":"1571-0661","issn":["1571-0661"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Electronic Notes in Theoretical Computer Science","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1016/s1571-0661(04)80334-7","is_oa":true,"landing_page_url":"https://doi.org/10.1016/s1571-0661(04)80334-7","pdf_url":null,"source":{"id":"https://openalex.org/S50368787","display_name":"Electronic Notes in Theoretical Computer Science","issn_l":"1571-0661","issn":["1571-0661"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Electronic Notes in Theoretical Computer Science","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":19,"referenced_works":["https://openalex.org/W1511407600","https://openalex.org/W1567197833","https://openalex.org/W1585665690","https://openalex.org/W1601001795","https://openalex.org/W1603581447","https://openalex.org/W1639145229","https://openalex.org/W1674363625","https://openalex.org/W1966992441","https://openalex.org/W1986147097","https://openalex.org/W1997136459","https://openalex.org/W2015895253","https://openalex.org/W2026755693","https://openalex.org/W2040084153","https://openalex.org/W2087082024","https://openalex.org/W2098685442","https://openalex.org/W2116273573","https://openalex.org/W2132303913","https://openalex.org/W6630629517","https://openalex.org/W6633899233"],"related_works":["https://openalex.org/W2921504876","https://openalex.org/W1982580243","https://openalex.org/W2183730421","https://openalex.org/W2551868243","https://openalex.org/W2348153269","https://openalex.org/W4205613068","https://openalex.org/W3112956360","https://openalex.org/W4286284259","https://openalex.org/W1507118973","https://openalex.org/W2004781009"],"abstract_inverted_index":{"In":[0,136,194],"recent":[1],"years,":[2],"the":[3,15,46,51,57,73,96,128,140,143,192,238,248],"number":[4],"of":[5,14,28,38,45,50,67,77,98,101,130,134,142,145,211,227,233,250],"Internet":[6,16,29],"users":[7,30,80,107],"has":[8,33],"increased":[9],"very":[10],"significantly.":[11],"The":[12],"utilization":[13],"for":[17,94],"business":[18],"purposes":[19],"is":[20,167,229],"everyday":[21],"more":[22],"factual.":[23],"However":[24],"this":[25,99,137,195,225],"exponential":[26],"growth":[27],"and":[31,53,75,79,85,224,231,253],"networks":[32],"provoked":[34],"an":[35,82,131],"equivalent":[36],"augment":[37],"malicious":[39],"users.":[40],"Hackers":[41],"can":[42],"take":[43],"advantage":[44],"low":[47],"security":[48,90,200],"level":[49],"network,":[52],"hence,":[54],"access":[55,151],"to":[56,115,150,152,162,169,190,202],"valuable":[58],"information":[59],"exchanged":[60],"through":[61],"it.":[62],"As":[63,217],"a":[64,244],"huge":[65],"amount":[66],"electronic":[68,132,209,222],"shopping":[69],"choices":[70],"become":[71],"available,":[72],"reputation":[74],"interest":[76],"merchants":[78],"have":[81],"economic":[83],"value":[84],"probable":[86],"costly":[87],"consequences.":[88],"Therefore,":[89],"mechanisms":[91,201],"are":[92,105,113],"needed":[93],"protecting":[95],"exchange":[97],"type":[100],"information.":[102],"When":[103],"agents":[104,120,146,212,228],"representing":[106],"in":[108,172,188,205],"Electronic":[109],"Commerce":[110],"scenarios,":[111],"they":[112],"intended":[114],"cooperate":[116],"with":[117],"their":[118],"trusted":[119],"sharing":[121,213],"recommendations":[122,214],"about":[123,215],"third":[124],"parties,":[125],"which":[126],"represents":[127],"implementation":[129],"\u2018word":[133],"mouth\u2019.":[135],"way,":[138],"only":[139],"members":[141],"group":[144,226],"should":[147],"be":[148,170,186,203],"authorized":[149],"its":[153,221],"recommendations.":[154],"This":[155],"particular":[156],"problem":[157],"requires":[158],"sharp":[159],"responses":[160],"according":[161],"computer":[163],"performance,":[164],"since":[165],"it":[166],"supposed":[168],"executed":[171],"real":[173],"time.":[174],"So":[175],"typical":[176],"approach":[177],"\u2013communications":[178],"protection":[179,245],"based":[180,246],"on":[181,247],"public":[182],"key":[183],"encryption-":[184],"will":[185,235],"avoided":[187],"order":[189],"improve":[191],"efficiency.":[193],"paper,":[196],"we":[197,242],"propose":[198,243],"some":[199],"applied":[204],"such":[206],"specific":[207],"domain:":[208],"communities":[210],"merchants.":[216],"each":[218],"agent":[219],"establishes":[220],"community":[223],"short-lived":[230],"all":[232],"them":[234],"receive":[236],"exactly":[237],"same":[239],"messages,":[240],"then":[241],"combination":[249],"hash":[251],"chains":[252],"symmetric":[254],"encryption.":[255]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}