{"id":"https://openalex.org/W2113866205","doi":"https://doi.org/10.1109/tit.2010.2095194","title":"Identifying Traitors Using the Koetter\u2013Vardy Algorithm","display_name":"Identifying Traitors Using the Koetter\u2013Vardy Algorithm","publication_year":2011,"publication_date":"2011-01-21","ids":{"openalex":"https://openalex.org/W2113866205","doi":"https://doi.org/10.1109/tit.2010.2095194","mag":"2113866205"},"language":"en","primary_location":{"id":"doi:10.1109/tit.2010.2095194","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tit.2010.2095194","pdf_url":null,"source":{"id":"https://openalex.org/S4502562","display_name":"IEEE Transactions on Information Theory","issn_l":"0018-9448","issn":["0018-9448","1557-9654"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Information Theory","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/A5100370706","display_name":"Marcel Fern\u00e1ndez","orcid":"https://orcid.org/0000-0001-7655-135X"},"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":true,"raw_author_name":"Marcel Fernandez","raw_affiliation_strings":["Department of Telematics Engineering, Universitat Polit\u00e8cnica de Catalunya (UPC), Barcelona, Spain"],"affiliations":[{"raw_affiliation_string":"Department of Telematics Engineering, Universitat Polit\u00e8cnica de Catalunya (UPC), Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025248429","display_name":"Jos\u00e9 Moreira","orcid":"https://orcid.org/0000-0002-3210-4504"},"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":"Jos\u00e9 Moreira","raw_affiliation_strings":["Department of Telematics Engineering, Universitat Polit\u00e8cnica de Catalunya (UPC), Barcelona, Spain"],"affiliations":[{"raw_affiliation_string":"Department of Telematics Engineering, Universitat Polit\u00e8cnica de Catalunya (UPC), Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5016493866","display_name":"Miguel Soriano","orcid":"https://orcid.org/0000-0003-0457-8531"},"institutions":[{"id":"https://openalex.org/I4210087295","display_name":"Centre Tecnologic de Telecomunicacions de Catalunya","ror":"https://ror.org/001cwea56","country_code":"ES","type":"nonprofit","lineage":["https://openalex.org/I4210087295","https://openalex.org/I4387153040"]},{"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":"Miguel Soriano","raw_affiliation_strings":["Centre Tecnol\u00f2gic de Telecomunicacions de Catalunya (CTTC), Barcelona, Castelldefels, Spain","Department of Telematics Engineering, Universitat Polit\u00e8cnica de Catalunya (UPC), Barcelona, Spain"],"affiliations":[{"raw_affiliation_string":"Centre Tecnol\u00f2gic de Telecomunicacions de Catalunya (CTTC), Barcelona, Castelldefels, Spain","institution_ids":["https://openalex.org/I4210087295"]},{"raw_affiliation_string":"Department of Telematics Engineering, Universitat Polit\u00e8cnica de Catalunya (UPC), Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5100370706"],"corresponding_institution_ids":["https://openalex.org/I9617848"],"apc_list":null,"apc_paid":null,"fwci":0.2576,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.59756894,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"57","issue":"2","first_page":"692","last_page":"704"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10388","display_name":"Advanced Steganography and Watermarking Techniques","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/T10388","display_name":"Advanced Steganography and Watermarking Techniques","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/T11797","display_name":"graph theory and CDMA systems","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11130","display_name":"Coding theory and cryptography","score":0.9994000196456909,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/traitor-tracing","display_name":"Traitor tracing","score":0.8165294528007507},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6830209493637085},{"id":"https://openalex.org/keywords/concatenated-error-correction-code","display_name":"Concatenated error correction code","score":0.6174267530441284},{"id":"https://openalex.org/keywords/tracing","display_name":"Tracing","score":0.5929372906684875},{"id":"https://openalex.org/keywords/list-decoding","display_name":"List decoding","score":0.552407443523407},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.522874116897583},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.4639408588409424},{"id":"https://openalex.org/keywords/sequential-decoding","display_name":"Sequential decoding","score":0.451049268245697},{"id":"https://openalex.org/keywords/block-code","display_name":"Block code","score":0.43237513303756714},{"id":"https://openalex.org/keywords/reed\u2013solomon-error-correction","display_name":"Reed\u2013Solomon error correction","score":0.42526814341545105},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.4236370921134949},{"id":"https://openalex.org/keywords/encryption","display_name":"Encryption","score":0.22537267208099365},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.15121617913246155},{"id":"https://openalex.org/keywords/public-key-cryptography","display_name":"Public-key cryptography","score":0.1463817059993744}],"concepts":[{"id":"https://openalex.org/C2781411299","wikidata":"https://www.wikidata.org/wiki/Q7833043","display_name":"Traitor tracing","level":4,"score":0.8165294528007507},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6830209493637085},{"id":"https://openalex.org/C78944582","wikidata":"https://www.wikidata.org/wiki/Q5158264","display_name":"Concatenated error correction code","level":4,"score":0.6174267530441284},{"id":"https://openalex.org/C138673069","wikidata":"https://www.wikidata.org/wiki/Q322229","display_name":"Tracing","level":2,"score":0.5929372906684875},{"id":"https://openalex.org/C204397858","wikidata":"https://www.wikidata.org/wiki/Q4437907","display_name":"List decoding","level":5,"score":0.552407443523407},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.522874116897583},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.4639408588409424},{"id":"https://openalex.org/C193969084","wikidata":"https://www.wikidata.org/wiki/Q7452500","display_name":"Sequential decoding","level":4,"score":0.451049268245697},{"id":"https://openalex.org/C157125643","wikidata":"https://www.wikidata.org/wiki/Q884707","display_name":"Block code","level":3,"score":0.43237513303756714},{"id":"https://openalex.org/C78065487","wikidata":"https://www.wikidata.org/wiki/Q1061598","display_name":"Reed\u2013Solomon error correction","level":5,"score":0.42526814341545105},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.4236370921134949},{"id":"https://openalex.org/C148730421","wikidata":"https://www.wikidata.org/wiki/Q141090","display_name":"Encryption","level":2,"score":0.22537267208099365},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.15121617913246155},{"id":"https://openalex.org/C203062551","wikidata":"https://www.wikidata.org/wiki/Q201339","display_name":"Public-key cryptography","level":3,"score":0.1463817059993744},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tit.2010.2095194","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tit.2010.2095194","pdf_url":null,"source":{"id":"https://openalex.org/S4502562","display_name":"IEEE Transactions on Information Theory","issn_l":"0018-9448","issn":["0018-9448","1557-9654"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Information Theory","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.7400000095367432,"id":"https://metadata.un.org/sdg/16","display_name":"Peace, Justice and strong institutions"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":30,"referenced_works":["https://openalex.org/W135534675","https://openalex.org/W1580365030","https://openalex.org/W1606480398","https://openalex.org/W1639643357","https://openalex.org/W1772200850","https://openalex.org/W1970997983","https://openalex.org/W2031722321","https://openalex.org/W2032431003","https://openalex.org/W2089272132","https://openalex.org/W2100852839","https://openalex.org/W2101487722","https://openalex.org/W2103012681","https://openalex.org/W2106215079","https://openalex.org/W2109994901","https://openalex.org/W2111233756","https://openalex.org/W2119380689","https://openalex.org/W2130460454","https://openalex.org/W2134195444","https://openalex.org/W2148575324","https://openalex.org/W2165902826","https://openalex.org/W2166059096","https://openalex.org/W2167215016","https://openalex.org/W2167577564","https://openalex.org/W2168932491","https://openalex.org/W2295616646","https://openalex.org/W2911546054","https://openalex.org/W2949558696","https://openalex.org/W4229826396","https://openalex.org/W4233413206","https://openalex.org/W4234370216"],"related_works":["https://openalex.org/W2121777163","https://openalex.org/W2061476814","https://openalex.org/W2247418595","https://openalex.org/W2359973017","https://openalex.org/W2157055070","https://openalex.org/W2050784748","https://openalex.org/W2534707225","https://openalex.org/W99853930","https://openalex.org/W2127999627","https://openalex.org/W2010879611"],"abstract_inverted_index":{"This":[0],"paper":[1,102],"deals":[2],"with":[3,36],"the":[4,7,52,68,101,117,123,127],"use":[5],"of":[6,15,33,58,63,70,77,100,126,161],"Koetter-Vardy":[8,118],"soft-decision":[9,119],"decoding":[10,120],"algorithm":[11,121],"to":[12,94,105],"perform":[13],"identification":[14,57],"guilty":[16],"users":[17,79,168],"in":[18,43,67,136,140,147],"traitor":[19,106],"tracing":[20,107,128,135,139,146],"and":[21,50,108,145],"fingerprinting":[22,109,150],"schemes.":[23],"In":[24],"these":[25,64],"schemes,":[26],"each":[27,47,59],"user":[28],"is":[29,103,153],"assigned":[30],"a":[31,71,75,89,158,162],"copy":[32,48,91],"an":[34,37],"object":[35],"embedded":[38],"codeword.":[39],"Placing":[40],"different":[41,44,131],"codewords":[42],"copies":[45],"makes":[46],"unique":[49,56],"at":[51],"same":[53],"time":[54],"allows":[55],"user.":[60],"The":[61,98],"weakness":[62],"schemes":[65,110],"comes":[66],"form":[69],"collusion":[72],"attack,":[73],"where":[74],"group":[76],"dishonest":[78],"get":[80],"together":[81],"and,":[82],"by":[83,157],"comparing":[84],"their":[85,96],"copies,":[86],"they":[87],"create":[88],"pirate":[90],"that":[92],"tries":[93],"hide":[95],"identities.":[97],"concern":[99],"restricted":[104],"based":[111],"on":[112],"Reed-Solomon":[113],"codes.":[114,151],"By":[115],"using":[116],"as":[122],"core":[124],"part":[125],"process,":[129],"three":[130],"settings":[132],"are":[133],"approached:":[134],"traceability":[137],"codes,":[138],"identifiable":[141,167],"parent":[142],"property":[143],"codes":[144],"binary":[148],"concatenated":[149],"It":[152],"also":[154],"discussed":[155],"how":[156],"careful":[159],"setting":[160],"reliability":[163],"matrix":[164],"all":[165],"possibly":[166],"can":[169],"be":[170],"found.":[171]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":3},{"year":2013,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}