{"id":"https://openalex.org/W2143305046","doi":"https://doi.org/10.1109/csa.2009.5404306","title":"Approximation Algorithms for Optimizing Privacy and Utility","display_name":"Approximation Algorithms for Optimizing Privacy and Utility","publication_year":2009,"publication_date":"2009-12-01","ids":{"openalex":"https://openalex.org/W2143305046","doi":"https://doi.org/10.1109/csa.2009.5404306","mag":"2143305046"},"language":"en","primary_location":{"id":"doi:10.1109/csa.2009.5404306","is_oa":false,"landing_page_url":"https://doi.org/10.1109/csa.2009.5404306","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 2nd International Conference on Computer Science and its Applications","raw_type":"proceedings-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/A5086037782","display_name":"Pranav Khaitan","orcid":null},"institutions":[{"id":"https://openalex.org/I97018004","display_name":"Stanford University","ror":"https://ror.org/00f54p054","country_code":"US","type":"education","lineage":["https://openalex.org/I97018004"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Pranav Khaitan","raw_affiliation_strings":["Department of Computer Science, University of Stanford, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science, University of Stanford, USA","institution_ids":["https://openalex.org/I97018004"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5011961429","display_name":"Korra Sathya Babu","orcid":"https://orcid.org/0000-0002-5963-5735"},"institutions":[{"id":"https://openalex.org/I16292982","display_name":"National Institute of Technology Rourkela","ror":"https://ror.org/011gmn932","country_code":"IN","type":"education","lineage":["https://openalex.org/I16292982"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Korra Sathya Babu","raw_affiliation_strings":["Department of Computer Science and Engineering, National Institute of Technology Rourkela, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Engineering, National Institute of Technology Rourkela, India","institution_ids":["https://openalex.org/I16292982"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101666946","display_name":"Sanjay Kumar Jena","orcid":"https://orcid.org/0000-0002-1619-8360"},"institutions":[{"id":"https://openalex.org/I16292982","display_name":"National Institute of Technology Rourkela","ror":"https://ror.org/011gmn932","country_code":"IN","type":"education","lineage":["https://openalex.org/I16292982"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Sanjay Kumar Jena","raw_affiliation_strings":["Department of Computer Science and Engineering, National Institute of Technology Rourkela, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Engineering, National Institute of Technology Rourkela, India","institution_ids":["https://openalex.org/I16292982"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101783559","display_name":"Banshidhar Majhi","orcid":"https://orcid.org/0000-0002-2843-1908"},"institutions":[{"id":"https://openalex.org/I16292982","display_name":"National Institute of Technology Rourkela","ror":"https://ror.org/011gmn932","country_code":"IN","type":"education","lineage":["https://openalex.org/I16292982"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Banshidhar Majhi","raw_affiliation_strings":["Department of Computer Science and Engineering, National Institute of Technology Rourkela, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Engineering, National Institute of Technology Rourkela, India","institution_ids":["https://openalex.org/I16292982"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.13996667,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":96},"biblio":{"volume":"220","issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10764","display_name":"Privacy-Preserving Technologies in Data","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/T10764","display_name":"Privacy-Preserving Technologies in Data","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/T10237","display_name":"Cryptography and Data Security","score":0.9994999766349792,"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/T10720","display_name":"Complexity and Algorithms in Graphs","score":0.984499990940094,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"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":0.7814197540283203},{"id":"https://openalex.org/keywords/k-anonymity","display_name":"k-anonymity","score":0.6217889785766602},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.61635822057724},{"id":"https://openalex.org/keywords/generalization","display_name":"Generalization","score":0.5988481640815735},{"id":"https://openalex.org/keywords/closeness","display_name":"Closeness","score":0.5789569020271301},{"id":"https://openalex.org/keywords/identity","display_name":"Identity (music)","score":0.5221945643424988},{"id":"https://openalex.org/keywords/approximation-algorithm","display_name":"Approximation algorithm","score":0.47056981921195984},{"id":"https://openalex.org/keywords/information-privacy","display_name":"Information privacy","score":0.4577963948249817},{"id":"https://openalex.org/keywords/scheme","display_name":"Scheme (mathematics)","score":0.41462430357933044},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.3876267373561859},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.37631577253341675},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.2616335153579712},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.16652393341064453}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7814197540283203},{"id":"https://openalex.org/C2777706471","wikidata":"https://www.wikidata.org/wiki/Q17061432","display_name":"k-anonymity","level":3,"score":0.6217889785766602},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.61635822057724},{"id":"https://openalex.org/C177148314","wikidata":"https://www.wikidata.org/wiki/Q170084","display_name":"Generalization","level":2,"score":0.5988481640815735},{"id":"https://openalex.org/C2779545769","wikidata":"https://www.wikidata.org/wiki/Q5135364","display_name":"Closeness","level":2,"score":0.5789569020271301},{"id":"https://openalex.org/C2778355321","wikidata":"https://www.wikidata.org/wiki/Q17079427","display_name":"Identity (music)","level":2,"score":0.5221945643424988},{"id":"https://openalex.org/C148764684","wikidata":"https://www.wikidata.org/wiki/Q621751","display_name":"Approximation algorithm","level":2,"score":0.47056981921195984},{"id":"https://openalex.org/C123201435","wikidata":"https://www.wikidata.org/wiki/Q456632","display_name":"Information privacy","level":2,"score":0.4577963948249817},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.41462430357933044},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3876267373561859},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.37631577253341675},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.2616335153579712},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.16652393341064453},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/csa.2009.5404306","is_oa":false,"landing_page_url":"https://doi.org/10.1109/csa.2009.5404306","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 2nd International Conference on Computer Science and its Applications","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/16","score":0.7200000286102295,"display_name":"Peace, Justice and strong institutions"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W76214014","https://openalex.org/W1965555277","https://openalex.org/W1999602050","https://openalex.org/W2024060531","https://openalex.org/W2119047901","https://openalex.org/W2134167315","https://openalex.org/W2136114025","https://openalex.org/W2159024459","https://openalex.org/W2161030490","https://openalex.org/W6603104669"],"related_works":["https://openalex.org/W2156910174","https://openalex.org/W1995054232","https://openalex.org/W2011510925","https://openalex.org/W2061451387","https://openalex.org/W4385403010","https://openalex.org/W2953940317","https://openalex.org/W2975449868","https://openalex.org/W3015404069","https://openalex.org/W4230167012","https://openalex.org/W2774221234"],"abstract_inverted_index":{"There":[0],"are":[1,48,51,72,104],"two":[2],"major":[3],"aspects":[4],"of":[5,15,26,99,120,179],"Data":[6],"Privacy":[7],"-identity":[8],"disclosure":[9,77,109],"and":[10,53,78,101,137],"attribute":[11,36,79,95,108],"disclosure.":[12,23,37,68,80,96],"A":[13,125],"number":[14],"algorithms":[16,28,61,71],"have":[17,29],"been":[18,31,143],"developed":[19],"to":[20,74,93,130,145,189],"protect":[21],"identity":[22,67,76],"However,":[24],"many":[25],"these":[27],"not":[30],"much":[32],"successful":[33],"in":[34,110],"preventing":[35,66],"The":[38,81,97],"standard":[39],"implementation":[40],"techniques":[41],"for":[42,62,85,106,116],"the":[43,59,118,132,147,151,169,173],"commonly":[44],"used":[45,105],"privacy":[46,64,136],"models":[47],"NP-hard.":[49],"They":[50],"time-consuming":[52],"often":[54],"unnecessary.":[55],"This":[56,157],"paper":[57],"investigates":[58],"existing":[60,82,140],"preserving":[63,172],"by":[65,89,160],"Improved":[69],"approximation":[70,83,163],"proposed":[73,162],"prevent":[75],"algorithm":[84,115,141,164],"k-anonymity":[86],"is":[87,122,128,158,176],"extended":[88],"applying":[90],"simulated":[91],"annealing":[92],"reduce":[94],"concepts":[98],"l-diversity":[100],"t-":[102],"closeness":[103],"minimizing":[107],"polynomial":[111],"time.":[112],"An":[113,139],"improved":[114],"calculating":[117],"value":[119],"t-closeness":[121],"also":[123],"proposed.":[124],"new":[126],"parameter":[127],"introduced":[129],"anonymize":[131],"dataset":[133],"considering":[134],"both":[135],"utility.":[138],"has":[142],"modified":[144],"consider":[146],"utility":[148,170],"while":[149,171],"determining":[150],"best":[152],"full":[153],"domain":[154,181],"generalization":[155,182],"scheme.":[156],"followed":[159],"a":[161],"which":[165],"takes":[166],"into":[167],"consideration":[168],"privacy.":[174],"It":[175],"an":[177],"example":[178],"partial":[180],"wherein":[183],"different":[184,190],"tuples":[185],"can":[186],"be":[187],"anonymized":[188],"extents.":[191]},"counts_by_year":[{"year":2019,"cited_by_count":1},{"year":2013,"cited_by_count":2}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}