{"id":"https://openalex.org/W2090617894","doi":"https://doi.org/10.1057/palgrave.jors.2602389","title":"A three-phase algorithm for the cell suppression problem in two-dimensional statistical tables","display_name":"A three-phase algorithm for the cell suppression problem in two-dimensional statistical tables","publication_year":2007,"publication_date":"2007-03-01","ids":{"openalex":"https://openalex.org/W2090617894","doi":"https://doi.org/10.1057/palgrave.jors.2602389","mag":"2090617894"},"language":"en","primary_location":{"id":"doi:10.1057/palgrave.jors.2602389","is_oa":false,"landing_page_url":"https://doi.org/10.1057/palgrave.jors.2602389","pdf_url":null,"source":{"id":"https://openalex.org/S169988927","display_name":"Journal of the Operational Research Society","issn_l":"0160-5682","issn":["0160-5682","1476-9360"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319703","host_organization_name":"Palgrave Macmillan","host_organization_lineage":["https://openalex.org/P4310319703","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Palgrave Macmillan","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of the Operational Research Society","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://hdl.handle.net/10400.5/29162","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5021288791","display_name":"Filipa D. Carvalho","orcid":"https://orcid.org/0000-0003-4669-6392"},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"F D Carvalho","raw_affiliation_strings":["ISEG, Universidade T\u00e9cnica de Lisboa, Lisbon, Portugal and CIO \u2013 Centro de Investiga\u00e7\u00e3o Operacional"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"ISEG, Universidade T\u00e9cnica de Lisboa, Lisbon, Portugal and CIO \u2013 Centro de Investiga\u00e7\u00e3o Operacional","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5050483821","display_name":"Maria Teresa Almeida","orcid":"https://orcid.org/0000-0002-9303-4407"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"M T Almeida","raw_affiliation_strings":["ISEG, Universidade T\u00e9cnica de Lisboa, Lisbon, Portugal and CIO \u2013 Centro de Investiga\u00e7\u00e3o Operacional"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"ISEG, Universidade T\u00e9cnica de Lisboa, Lisbon, Portugal and CIO \u2013 Centro de Investiga\u00e7\u00e3o Operacional","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5021288791"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.09782609,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"59","issue":"4","first_page":"556","last_page":"562"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.9986000061035156,"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":0.9986000061035156,"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":0.9879000186920166,"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"}},{"id":"https://openalex.org/T11612","display_name":"Stochastic Gradient Optimization Techniques","score":0.9837999939918518,"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/computer-science","display_name":"Computer science","score":0.713206946849823},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.6962671875953674},{"id":"https://openalex.org/keywords/confidentiality","display_name":"Confidentiality","score":0.6064966320991516},{"id":"https://openalex.org/keywords/relaxation","display_name":"Relaxation (psychology)","score":0.5720647573471069},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.5044616460800171},{"id":"https://openalex.org/keywords/integer","display_name":"Integer (computer science)","score":0.4964941143989563},{"id":"https://openalex.org/keywords/integer-programming","display_name":"Integer programming","score":0.46998491883277893},{"id":"https://openalex.org/keywords/column","display_name":"Column (typography)","score":0.44925224781036377},{"id":"https://openalex.org/keywords/binary-number","display_name":"Binary number","score":0.44886529445648193},{"id":"https://openalex.org/keywords/statistical-analysis","display_name":"Statistical analysis","score":0.4252910017967224},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.21567031741142273},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.12250399589538574},{"id":"https://openalex.org/keywords/arithmetic","display_name":"Arithmetic","score":0.10300430655479431},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.07697230577468872}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.713206946849823},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6962671875953674},{"id":"https://openalex.org/C71745522","wikidata":"https://www.wikidata.org/wiki/Q2476929","display_name":"Confidentiality","level":2,"score":0.6064966320991516},{"id":"https://openalex.org/C2776029896","wikidata":"https://www.wikidata.org/wiki/Q3935810","display_name":"Relaxation (psychology)","level":2,"score":0.5720647573471069},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.5044616460800171},{"id":"https://openalex.org/C97137487","wikidata":"https://www.wikidata.org/wiki/Q729138","display_name":"Integer (computer science)","level":2,"score":0.4964941143989563},{"id":"https://openalex.org/C56086750","wikidata":"https://www.wikidata.org/wiki/Q6042592","display_name":"Integer programming","level":2,"score":0.46998491883277893},{"id":"https://openalex.org/C2780551164","wikidata":"https://www.wikidata.org/wiki/Q2306599","display_name":"Column (typography)","level":3,"score":0.44925224781036377},{"id":"https://openalex.org/C48372109","wikidata":"https://www.wikidata.org/wiki/Q3913","display_name":"Binary number","level":2,"score":0.44886529445648193},{"id":"https://openalex.org/C2986587452","wikidata":"https://www.wikidata.org/wiki/Q938438","display_name":"Statistical analysis","level":2,"score":0.4252910017967224},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.21567031741142273},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.12250399589538574},{"id":"https://openalex.org/C94375191","wikidata":"https://www.wikidata.org/wiki/Q11205","display_name":"Arithmetic","level":1,"score":0.10300430655479431},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.07697230577468872},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.0},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0},{"id":"https://openalex.org/C126042441","wikidata":"https://www.wikidata.org/wiki/Q1324888","display_name":"Frame (networking)","level":2,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C77805123","wikidata":"https://www.wikidata.org/wiki/Q161272","display_name":"Social psychology","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1057/palgrave.jors.2602389","is_oa":false,"landing_page_url":"https://doi.org/10.1057/palgrave.jors.2602389","pdf_url":null,"source":{"id":"https://openalex.org/S169988927","display_name":"Journal of the Operational Research Society","issn_l":"0160-5682","issn":["0160-5682","1476-9360"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319703","host_organization_name":"Palgrave Macmillan","host_organization_lineage":["https://openalex.org/P4310319703","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Palgrave Macmillan","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of the Operational Research Society","raw_type":"journal-article"},{"id":"pmh:oai:RePEc:pal:jorsoc:v:59:y:2008:i:4:d:10.1057_palgrave.jors.2602389","is_oa":false,"landing_page_url":"http://link.springer.com/10.1057/palgrave.jors.2602389","pdf_url":null,"source":{"id":"https://openalex.org/S4306401271","display_name":"RePEc: Research Papers in Economics","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I77793887","host_organization_name":"Federal Reserve Bank of St. Louis","host_organization_lineage":["https://openalex.org/I77793887"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article"},{"id":"pmh:oai:repositorio.ul.pt:10400.5/29162","is_oa":true,"landing_page_url":"http://hdl.handle.net/10400.5/29162","pdf_url":null,"source":{"id":"https://openalex.org/S4306402433","display_name":"Portuguese National Funding Agency for Science, Research and Technology (RCAAP Project by FCT)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"journal article"}],"best_oa_location":{"id":"pmh:oai:repositorio.ul.pt:10400.5/29162","is_oa":true,"landing_page_url":"http://hdl.handle.net/10400.5/29162","pdf_url":null,"source":{"id":"https://openalex.org/S4306402433","display_name":"Portuguese National Funding Agency for Science, Research and Technology (RCAAP Project by FCT)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"journal article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/17","display_name":"Partnerships for the goals","score":0.4099999964237213}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W162880586","https://openalex.org/W1524446290","https://openalex.org/W1578810938","https://openalex.org/W1977545325","https://openalex.org/W1979109784","https://openalex.org/W1984454396","https://openalex.org/W1998601950","https://openalex.org/W2003463148","https://openalex.org/W2020111942","https://openalex.org/W2067372123","https://openalex.org/W2074208183","https://openalex.org/W2104543956","https://openalex.org/W2171104722","https://openalex.org/W4213060235","https://openalex.org/W4299137992"],"related_works":["https://openalex.org/W3183948672","https://openalex.org/W3173606202","https://openalex.org/W3110381201","https://openalex.org/W1531601525","https://openalex.org/W1925942709","https://openalex.org/W2047683846","https://openalex.org/W2044902158","https://openalex.org/W2082154838","https://openalex.org/W2109912052","https://openalex.org/W1711527768"],"abstract_inverted_index":{"To":[0,96],"obtain":[1],"full":[2],"cooperation":[3],"from":[4,90],"respondents,":[5],"statistical":[6,35],"offices":[7],"must":[8],"guarantee":[9,44],"that":[10,136,148],"confidential":[11,40],"data":[12,47],"will":[13],"not":[14,43],"be":[15],"disclosed":[16],"when":[17],"their":[18],"reports":[19],"are":[20,104],"published.":[21],"For":[22],"tabular":[23],"data,":[24,134],"cell":[25,71,100],"suppression":[26,72],"is":[27,50,139],"one":[28,154],"of":[29,63,68,132,145,155],"the":[30,45,55,82,107,137],"preferred":[31],"techniques":[32],"to":[33,53,106,119,128],"control":[34],"disclosure.":[36],"When":[37],"suppressing":[38],"only":[39],"values":[41,56],"does":[42],"desired":[46],"protection,":[48],"it":[49,149],"also":[51],"necessary":[52],"suppress":[54],"in":[57,114],"some":[58],"non-confidential":[59],"cells.":[60],"The":[61,110],"problem":[62,73],"finding":[64],"an":[65],"optimal":[66],"set":[67],"complementary":[69],"suppressions\u2014the":[70],"(CSP)\u2014is":[74],"NP-hard.":[75],"We":[76],"present":[77],"a":[78,86],"three-phase":[79],"algorithm":[80,138],"for":[81,142,153],"CSP":[83,108],"based":[84],"on":[85],"binary":[87],"relaxation":[88],"derived":[89],"row":[91],"and":[92,147],"column":[93],"protection":[94],"conditions.":[95],"enforce":[97],"violated":[98],"single":[99],"conditions,":[101],"integer":[102],"cuts":[103],"added":[105],"relaxation.":[109],"numerical":[111],"results":[112],"obtained":[113],"1410":[115],"instances":[116,146],"with":[117],"up":[118],"more":[120],"than":[121],"250":[122],"000":[123],"cells,":[124],"which":[125],"were":[126],"generated":[127],"reproduce":[129],"two":[130],"classes":[131,144],"real-world":[133],"indicate":[135],"quite":[140],"effective":[141],"both":[143],"outperforms":[150],"state-of-the-art":[151],"algorithms":[152],"them.":[156]},"counts_by_year":[],"updated_date":"2026-08-08T01:25:22.217667","created_date":"2025-10-10T00:00:00"}