{"id":"https://openalex.org/W6941835769","doi":"https://doi.org/10.14279/depositonce-18456","title":"Privacy-preserving geofencing","display_name":"Privacy-preserving geofencing","publication_year":2023,"publication_date":"2023-01-01","ids":{"openalex":"https://openalex.org/W6941835769","doi":"https://doi.org/10.14279/depositonce-18456"},"language":"en","primary_location":{"id":"pmh:oai:depositonce.tu-berlin.de:11303/19657","is_oa":false,"landing_page_url":"https://depositonce.tu-berlin.de/handle/11303/19657","pdf_url":null,"source":{"id":"https://openalex.org/S4406922277","display_name":"DepositOnce","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":"public-domain","license_id":"https://openalex.org/licenses/public-domain","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Doctoral Thesis"},"type":"dissertation","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.14279/depositonce-18456","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":null,"display_name":"Zickau, Sebastian","orcid":null},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Zickau, Sebastian","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"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":true,"primary_topic":{"id":"https://openalex.org/T10451","display_name":"Mycorrhizal Fungi and Plant Interactions","score":0.5497999787330627,"subfield":{"id":"https://openalex.org/subfields/1110","display_name":"Plant Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},"topics":[{"id":"https://openalex.org/T10451","display_name":"Mycorrhizal Fungi and Plant Interactions","score":0.5497999787330627,"subfield":{"id":"https://openalex.org/subfields/1110","display_name":"Plant Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10015","display_name":"Genomics and Phylogenetic Studies","score":0.13490000367164612,"subfield":{"id":"https://openalex.org/subfields/1312","display_name":"Molecular Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10825","display_name":"Plant Pathogens and Fungal Diseases","score":0.040699999779462814,"subfield":{"id":"https://openalex.org/subfields/1307","display_name":"Cell Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/service-provider","display_name":"Service provider","score":0.6726999878883362},{"id":"https://openalex.org/keywords/focus","display_name":"Focus (optics)","score":0.5443999767303467},{"id":"https://openalex.org/keywords/service","display_name":"Service (business)","score":0.4964999854564667},{"id":"https://openalex.org/keywords/toolbox","display_name":"Toolbox","score":0.4505999982357025},{"id":"https://openalex.org/keywords/homomorphic-encryption","display_name":"Homomorphic encryption","score":0.4431999921798706},{"id":"https://openalex.org/keywords/mobile-device","display_name":"Mobile device","score":0.41200000047683716},{"id":"https://openalex.org/keywords/access-control","display_name":"Access control","score":0.39259999990463257},{"id":"https://openalex.org/keywords/cryptography","display_name":"Cryptography","score":0.37229999899864197},{"id":"https://openalex.org/keywords/location-based-service","display_name":"Location-based service","score":0.3569999933242798}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7800999879837036},{"id":"https://openalex.org/C116537","wikidata":"https://www.wikidata.org/wiki/Q2169973","display_name":"Service provider","level":3,"score":0.6726999878883362},{"id":"https://openalex.org/C192209626","wikidata":"https://www.wikidata.org/wiki/Q190909","display_name":"Focus (optics)","level":2,"score":0.5443999767303467},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.5386999845504761},{"id":"https://openalex.org/C2780378061","wikidata":"https://www.wikidata.org/wiki/Q25351891","display_name":"Service (business)","level":2,"score":0.4964999854564667},{"id":"https://openalex.org/C2777655017","wikidata":"https://www.wikidata.org/wiki/Q1501161","display_name":"Toolbox","level":2,"score":0.4505999982357025},{"id":"https://openalex.org/C158338273","wikidata":"https://www.wikidata.org/wiki/Q2154943","display_name":"Homomorphic encryption","level":3,"score":0.4431999921798706},{"id":"https://openalex.org/C186967261","wikidata":"https://www.wikidata.org/wiki/Q5082128","display_name":"Mobile device","level":2,"score":0.41200000047683716},{"id":"https://openalex.org/C527821871","wikidata":"https://www.wikidata.org/wiki/Q228502","display_name":"Access control","level":2,"score":0.39259999990463257},{"id":"https://openalex.org/C178489894","wikidata":"https://www.wikidata.org/wiki/Q8789","display_name":"Cryptography","level":2,"score":0.37229999899864197},{"id":"https://openalex.org/C155292070","wikidata":"https://www.wikidata.org/wiki/Q1198122","display_name":"Location-based service","level":2,"score":0.3569999933242798},{"id":"https://openalex.org/C137822555","wikidata":"https://www.wikidata.org/wiki/Q2587068","display_name":"Information sensitivity","level":2,"score":0.3521000146865845},{"id":"https://openalex.org/C527648132","wikidata":"https://www.wikidata.org/wiki/Q189900","display_name":"Information security","level":2,"score":0.3407999873161316},{"id":"https://openalex.org/C198082294","wikidata":"https://www.wikidata.org/wiki/Q3399648","display_name":"Position (finance)","level":2,"score":0.3402999937534332},{"id":"https://openalex.org/C2780992000","wikidata":"https://www.wikidata.org/wiki/Q17016113","display_name":"Generator (circuit theory)","level":3,"score":0.33980000019073486},{"id":"https://openalex.org/C144543869","wikidata":"https://www.wikidata.org/wiki/Q2738570","display_name":"Mobile computing","level":2,"score":0.3199000060558319},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.31029999256134033},{"id":"https://openalex.org/C2776543384","wikidata":"https://www.wikidata.org/wiki/Q593289","display_name":"Information access","level":2,"score":0.3100999891757965},{"id":"https://openalex.org/C184337299","wikidata":"https://www.wikidata.org/wiki/Q1437428","display_name":"Semantics (computer science)","level":2,"score":0.3077000081539154},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.2992999851703644},{"id":"https://openalex.org/C93996380","wikidata":"https://www.wikidata.org/wiki/Q44127","display_name":"Server","level":2,"score":0.2872999906539917},{"id":"https://openalex.org/C180198813","wikidata":"https://www.wikidata.org/wiki/Q121182","display_name":"Information system","level":2,"score":0.28130000829696655},{"id":"https://openalex.org/C78780964","wikidata":"https://www.wikidata.org/wiki/Q7233193","display_name":"Position paper","level":2,"score":0.2678999900817871},{"id":"https://openalex.org/C169093310","wikidata":"https://www.wikidata.org/wiki/Q3702971","display_name":"Personally identifiable information","level":2,"score":0.2533000111579895}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:depositonce.tu-berlin.de:11303/19657","is_oa":false,"landing_page_url":"https://depositonce.tu-berlin.de/handle/11303/19657","pdf_url":null,"source":{"id":"https://openalex.org/S4406922277","display_name":"DepositOnce","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":"public-domain","license_id":"https://openalex.org/licenses/public-domain","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Doctoral Thesis"},{"id":"doi:10.14279/depositonce-18456","is_oa":true,"landing_page_url":"https://doi.org/10.14279/depositonce-18456","pdf_url":null,"source":{"id":"https://openalex.org/S7407052985","display_name":"Technische Universit\u00e4t Berlin \u2013 Universit\u00e4tsbibliothek","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":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"article-journal"}],"best_oa_location":{"id":"doi:10.14279/depositonce-18456","is_oa":true,"landing_page_url":"https://doi.org/10.14279/depositonce-18456","pdf_url":null,"source":{"id":"https://openalex.org/S7407052985","display_name":"Technische Universit\u00e4t Berlin \u2013 Universit\u00e4tsbibliothek","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":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article-journal"},"sustainable_development_goals":[{"score":0.7645872831344604,"display_name":"Peace, Justice and strong institutions","id":"https://metadata.un.org/sdg/16"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Mobile":[0],"applications":[1,21],"that":[2,18,55,71,84],"use":[3,28,169,221,231],"reactive":[4],"and":[5,15,78,96,114,125,149,262],"proactive":[6],"location-based":[7,186,225,238],"services":[8],"evaluate":[9,118],"location":[10,32],"information":[11,33,44,92,121,172],"from":[12,224],"target":[13,50,128],"devices":[14],"users.":[16],"Services":[17],"offer":[19],"these":[20,123,210],"collect":[22],"user-specific":[23],"data.":[24],"Providers":[25],"tend":[26],"to":[27,37,40,76,87,168,177,243,257],"the":[29,49,102,127,132,137,146,208,215,233,265],"most":[30],"accurate":[31],"they":[34],"can":[35,45,98],"acquire":[36],"add":[38],"value":[39],"their":[41,69,259],"services.":[42,239],"This":[43],"be":[46,73,88,99],"sensitive":[47],"if":[48],"user":[51],"is":[52,159],"in":[53,101],"locations":[54,81],"are":[56,180,212],"considered":[57],"private.":[58],"There":[59],"have":[60],"been":[61],"incidents":[62],"where":[63],"service":[64,249],"providers":[65,117,250],"published":[66],"data":[67],"of":[68,82,93,139,152,185],"users":[70],"could":[72],"directly":[74],"linked":[75],"individuals":[77],"revealed":[79],"secret":[80],"areas":[83],"were":[85],"supposed":[86],"kept":[89],"confidential.":[90],"Territory":[91],"different":[94,216],"types":[95],"semantics":[97],"expressed":[100],"digital":[103],"world":[104],"by":[105],"so-called":[106],"geofences,":[107],"i.e.,":[108],"virtual":[109],"boundaries":[110],"around":[111],"specific":[112],"places":[113],"locations.":[115],"Service":[116],"precise":[119,150],"position":[120,171],"against":[122,154],"geofences":[124,164],"notify":[126],"device":[129],"depending":[130],"on":[131,136,160,219,236,253],"evaluation":[133,138,151],"result.":[134],"Based":[135],"various":[140,220],"geofencing":[141,179],"services,":[142],"this":[143],"dissertation":[144,234],"addresses":[145],"creation,":[147],"representation,":[148],"positions":[153],"geofence":[155],"areas.":[156],"The":[157,240],"focus":[158],"constructing":[161],"arbitrarily":[162],"shaped":[163],"with":[165,183,214,264],"high":[166],"accuracy":[167],"exact":[170],"for":[173,248],"evaluation.":[174],"Novel":[175],"approaches":[176,190,211],"privacy-preserving":[178,237],"presented":[181],"together":[182],"aspects":[184],"access":[187,226],"control.":[188],"These":[189],"include":[191],"state-of-the-art":[192],"mechanisms":[193],"such":[194],"as":[195,228],"zero-knowledge":[196],"proofs,":[197],"homomorphic":[198],"encryption,":[199,203],"multi-party":[200],"computations,":[201],"attribute-based":[202],"cryptographic":[204],"hashing,":[205],"etc.":[206],"In":[207],"evaluation,":[209],"matched":[213],"requirements":[217],"based":[218],"cases.":[222],"Starting":[223],"control":[227],"a":[229,245],"security":[230],"case,":[232],"focuses":[235],"topic":[241],"aims":[242],"provide":[244],"toolbox":[246],"approach":[247],"not":[251],"relying":[252],"trusted":[254],"third":[255],"parties":[256],"increase":[258],"users\u2019":[260],"privacy":[261],"comply":[263],"latest":[266],"regulations.":[267]},"counts_by_year":[],"updated_date":"2026-07-15T18:14:33.161393","created_date":"2025-10-10T00:00:00"}