{"id":"https://openalex.org/W3035232787","doi":"https://doi.org/10.4233/uuid:2332e125-c9c4-443c-9a18-0f8fd1c2f85e","title":"Preserving Confidentiality in Data Analytics-as-a-Service","display_name":"Preserving Confidentiality in Data Analytics-as-a-Service","publication_year":2020,"publication_date":"2020-05-11","ids":{"openalex":"https://openalex.org/W3035232787","doi":"https://doi.org/10.4233/uuid:2332e125-c9c4-443c-9a18-0f8fd1c2f85e","mag":"3035232787"},"language":"en","primary_location":{"id":"pmh:oai:tudelft.nl:uuid:2332e125-c9c4-443c-9a18-0f8fd1c2f85e","is_oa":true,"landing_page_url":"http://resolver.tudelft.nl/uuid:2332e125-c9c4-443c-9a18-0f8fd1c2f85e","pdf_url":"http://resolver.tudelft.nl/uuid:2332e125-c9c4-443c-9a18-0f8fd1c2f85e","source":{"id":"https://openalex.org/S4306400906","display_name":"Research Repository (Delft University of Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I98358874","host_organization_name":"Delft University of Technology","host_organization_lineage":["https://openalex.org/I98358874"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"doctoral thesis"},"type":"dissertation","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://resolver.tudelft.nl/uuid:2332e125-c9c4-443c-9a18-0f8fd1c2f85e","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5015646430","display_name":"Gamze Tillem","orcid":null},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Tillem, G.","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5015646430"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10237","display_name":"Cryptography and Data Security","score":0.9901000261306763,"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":0.9901000261306763,"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/T10270","display_name":"Blockchain Technology Applications and Security","score":0.98580002784729,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.9830999970436096,"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/analytics","display_name":"Analytics","score":0.7606750726699829},{"id":"https://openalex.org/keywords/outsourcing","display_name":"Outsourcing","score":0.6890238523483276},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5657160878181458},{"id":"https://openalex.org/keywords/data-analysis","display_name":"Data analysis","score":0.5481340289115906},{"id":"https://openalex.org/keywords/confidentiality","display_name":"Confidentiality","score":0.5293555855751038},{"id":"https://openalex.org/keywords/business-intelligence","display_name":"Business intelligence","score":0.48675537109375},{"id":"https://openalex.org/keywords/service-provider","display_name":"Service provider","score":0.4649810492992401},{"id":"https://openalex.org/keywords/service","display_name":"Service (business)","score":0.4601150155067444},{"id":"https://openalex.org/keywords/data-science","display_name":"Data science","score":0.4583098888397217},{"id":"https://openalex.org/keywords/web-analytics","display_name":"Web analytics","score":0.4464016258716583},{"id":"https://openalex.org/keywords/big-data","display_name":"Big data","score":0.44283485412597656},{"id":"https://openalex.org/keywords/information-privacy","display_name":"Information privacy","score":0.4101046025753021},{"id":"https://openalex.org/keywords/business","display_name":"Business","score":0.29888272285461426},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.2898455262184143},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.22712144255638123},{"id":"https://openalex.org/keywords/knowledge-management","display_name":"Knowledge management","score":0.21886155009269714},{"id":"https://openalex.org/keywords/the-internet","display_name":"The Internet","score":0.16507920622825623},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.1649188995361328},{"id":"https://openalex.org/keywords/web-intelligence","display_name":"Web intelligence","score":0.10607859492301941},{"id":"https://openalex.org/keywords/marketing","display_name":"Marketing","score":0.08766508102416992}],"concepts":[{"id":"https://openalex.org/C79158427","wikidata":"https://www.wikidata.org/wiki/Q485396","display_name":"Analytics","level":2,"score":0.7606750726699829},{"id":"https://openalex.org/C46934059","wikidata":"https://www.wikidata.org/wiki/Q61515","display_name":"Outsourcing","level":2,"score":0.6890238523483276},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5657160878181458},{"id":"https://openalex.org/C175801342","wikidata":"https://www.wikidata.org/wiki/Q1988917","display_name":"Data analysis","level":2,"score":0.5481340289115906},{"id":"https://openalex.org/C71745522","wikidata":"https://www.wikidata.org/wiki/Q2476929","display_name":"Confidentiality","level":2,"score":0.5293555855751038},{"id":"https://openalex.org/C2767350","wikidata":"https://www.wikidata.org/wiki/Q6662173","display_name":"Business intelligence","level":2,"score":0.48675537109375},{"id":"https://openalex.org/C116537","wikidata":"https://www.wikidata.org/wiki/Q2169973","display_name":"Service provider","level":3,"score":0.4649810492992401},{"id":"https://openalex.org/C2780378061","wikidata":"https://www.wikidata.org/wiki/Q25351891","display_name":"Service (business)","level":2,"score":0.4601150155067444},{"id":"https://openalex.org/C2522767166","wikidata":"https://www.wikidata.org/wiki/Q2374463","display_name":"Data science","level":1,"score":0.4583098888397217},{"id":"https://openalex.org/C516187249","wikidata":"https://www.wikidata.org/wiki/Q10719477","display_name":"Web analytics","level":5,"score":0.4464016258716583},{"id":"https://openalex.org/C75684735","wikidata":"https://www.wikidata.org/wiki/Q858810","display_name":"Big data","level":2,"score":0.44283485412597656},{"id":"https://openalex.org/C123201435","wikidata":"https://www.wikidata.org/wiki/Q456632","display_name":"Information privacy","level":2,"score":0.4101046025753021},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.29888272285461426},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.2898455262184143},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.22712144255638123},{"id":"https://openalex.org/C56739046","wikidata":"https://www.wikidata.org/wiki/Q192060","display_name":"Knowledge management","level":1,"score":0.21886155009269714},{"id":"https://openalex.org/C110875604","wikidata":"https://www.wikidata.org/wiki/Q75","display_name":"The Internet","level":2,"score":0.16507920622825623},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.1649188995361328},{"id":"https://openalex.org/C544335954","wikidata":"https://www.wikidata.org/wiki/Q2553348","display_name":"Web intelligence","level":4,"score":0.10607859492301941},{"id":"https://openalex.org/C162853370","wikidata":"https://www.wikidata.org/wiki/Q39809","display_name":"Marketing","level":1,"score":0.08766508102416992},{"id":"https://openalex.org/C79373723","wikidata":"https://www.wikidata.org/wiki/Q386275","display_name":"Web development","level":3,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"pmh:oai:tudelft.nl:uuid:2332e125-c9c4-443c-9a18-0f8fd1c2f85e","is_oa":true,"landing_page_url":"http://resolver.tudelft.nl/uuid:2332e125-c9c4-443c-9a18-0f8fd1c2f85e","pdf_url":"http://resolver.tudelft.nl/uuid:2332e125-c9c4-443c-9a18-0f8fd1c2f85e","source":{"id":"https://openalex.org/S4306400906","display_name":"Research Repository (Delft University of Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I98358874","host_organization_name":"Delft University of Technology","host_organization_lineage":["https://openalex.org/I98358874"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"doctoral thesis"},{"id":"doi:10.4233/uuid:2332e125-c9c4-443c-9a18-0f8fd1c2f85e","is_oa":true,"landing_page_url":"https://doi.org/10.4233/uuid:2332e125-c9c4-443c-9a18-0f8fd1c2f85e","pdf_url":null,"source":{"id":"https://openalex.org/S4306400906","display_name":"Research Repository (Delft University of Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I98358874","host_organization_name":"Delft University of Technology","host_organization_lineage":["https://openalex.org/I98358874"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"thesis"},{"id":"mag:3035232787","is_oa":false,"landing_page_url":"https://repository.tudelft.nl/islandora/object/uuid:2332e125-c9c4-443c-9a18-0f8fd1c2f85e/datastream/OBJ/download","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":null}],"best_oa_location":{"id":"pmh:oai:tudelft.nl:uuid:2332e125-c9c4-443c-9a18-0f8fd1c2f85e","is_oa":true,"landing_page_url":"http://resolver.tudelft.nl/uuid:2332e125-c9c4-443c-9a18-0f8fd1c2f85e","pdf_url":"http://resolver.tudelft.nl/uuid:2332e125-c9c4-443c-9a18-0f8fd1c2f85e","source":{"id":"https://openalex.org/S4306400906","display_name":"Research Repository (Delft University of Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I98358874","host_organization_name":"Delft University of Technology","host_organization_lineage":["https://openalex.org/I98358874"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"doctoral thesis"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3035232787.pdf","grobid_xml":"https://content.openalex.org/works/W3035232787.grobid-xml"},"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2774723118","https://openalex.org/W2798743856","https://openalex.org/W2946227116","https://openalex.org/W2517346953","https://openalex.org/W3094115317","https://openalex.org/W2890928591","https://openalex.org/W2216811320","https://openalex.org/W2564805461","https://openalex.org/W3007507555","https://openalex.org/W2507383779","https://openalex.org/W2914196801","https://openalex.org/W3000143929","https://openalex.org/W2402070603","https://openalex.org/W2994472101","https://openalex.org/W2617729075","https://openalex.org/W3012439620","https://openalex.org/W2054356884","https://openalex.org/W2946146962","https://openalex.org/W2015428700","https://openalex.org/W3191799130"],"abstract_inverted_index":{"The":[0],"enhancements":[1],"in":[2,5,65,88,166,179,202,225,291,324],"computation":[3,266,307],"technologies":[4],"the":[6,13,41,75,92,95,107,111,162,211,222,249,258,287,294,306,325],"last":[7],"decades":[8],"enabled":[9],"businesses":[10],"to":[11,23,40,74,208,240],"analyze":[12],"data":[14,28,57,66,80,147,167,181,204,235,261,313,322],"that":[15,62,175,198,285,304],"is":[16,63,90,239],"collected":[17],"through":[18],"their":[19,25,83],"systems":[20],"which":[21,78,98,183,268],"helps":[22],"improve":[24],"services.<br/>However,":[26],"performing":[27],"analytics":[29,67,81,142,173,220,227,254,323],"remains":[30],"a":[31,60,138],"challenging":[32],"task":[33],"for":[34,82,122,320],"small-":[35],"and":[36,46,71,124,134,154,189,218,247,251,272,308],"medium-scale":[37],"companies":[38,55,127],"due":[39],"lack":[42],"of":[43,94,110,115,132,164,213,253,260,289,296,311],"in-house":[44],"experience":[45],"computational":[47,72],"resources.":[48],"<br/>Data":[49],"Analytics-as-a-Service":[50],"(DAaaS)":[51],"paradigm":[52],"provides":[53],"such":[54,150],"outsourced":[56,96,141,180,203,326],"analytics,":[58,182,186,205,215],"where":[59],"company":[61],"specialized":[64],"serves":[68],"its":[69],"knowledge":[70],"resources":[73],"other":[76,196],"companies,":[77],"need":[79],"businesses.":[84],"<br/><br/>A":[85],"major":[86],"challenge":[87],"DAaaS":[89],"preserving":[91],"privacy":[93,223,246,259],"data,":[97],"might":[99],"contain":[100],"sensitive":[101,116],"customer":[102],"or":[103,106],"employee":[104],"information":[105,117],"intellectual":[108],"property":[109],"outsourcing":[112,123],"company.":[113],"Leakage":[114],"has":[118],"several":[119,146,195,281,301],"consequences":[120],"both":[121],"service":[125,143],"provider":[126],"as":[128,151],"legal":[129],"obligations,":[130],"loss":[131,288],"reputation,":[133],"financial":[135],"loss.":[136],"Therefore,":[137],"well":[139],"functioning":[140],"should":[144],"achieve":[145,241],"protection":[148],"measures":[149],"confidentiality,":[152],"integrity,":[153],"availability.":[155],"<br/><br/>In":[156,233],"this":[157],"thesis,":[158],"we":[159,206,262,279,299],"focus":[160,209],"on":[161,210],"preservation":[163],"confidentiality":[165,242],"analytics-as-a-service":[168],"applications.":[169],"We":[170],"select":[171],"three":[172],"applications":[174],"are":[176,184,199,269],"becoming":[177],"popular":[178],"process":[185,214],"machine":[187,216],"learning,":[188,217],"marketing":[190,219],"analytics.":[191,314],"Despite":[192],"there":[193],"exist":[194],"techniques":[197,303],"commonly":[200],"used":[201],"decide":[207],"algorithms":[212],"since":[221],"concerns":[224],"these":[226],"have":[228],"not":[229],"been":[230],"investigated":[231],"thoroughly.":[232],"confidential":[234,321],"analytics-as-a-service,":[236],"our":[237,297],"goal":[238],"by":[243],"protecting":[244],"input/output":[245],"maintaining":[248],"correctness":[250],"efficiency":[252,295],"computations.":[255,292],"To":[256,276],"protect":[257],"use":[263,300],"two":[264],"secure":[265,273],"techniques,":[267],"homomorphic":[270],"encryption":[271],"multiparty":[274],"computation.":[275],"assure":[277],"correctness,":[278],"propose":[280],"hybrid":[282],"protocol":[283],"designs":[284],"minimize":[286],"accuracy":[290],"For":[293],"protocols,":[298],"optimization":[302],"reduce":[305],"communication":[309],"costs":[310],"private":[312],"Our":[315],"protocols":[316],"show":[317],"promising":[318],"results":[319],"setting.":[327]},"counts_by_year":[],"updated_date":"2026-07-15T18:14:33.161393","created_date":"2025-10-10T00:00:00"}