{"id":"https://openalex.org/W1592672490","doi":"https://doi.org/10.1007/978-3-540-75551-7_6","title":"Efficient Oblivious Augmented Maps: Location-Based Services with a Payment Broker","display_name":"Efficient Oblivious Augmented Maps: Location-Based Services with a Payment Broker","publication_year":2007,"publication_date":"2007-09-28","ids":{"openalex":"https://openalex.org/W1592672490","doi":"https://doi.org/10.1007/978-3-540-75551-7_6","mag":"1592672490"},"language":"en","primary_location":{"id":"doi:10.1007/978-3-540-75551-7_6","is_oa":false,"landing_page_url":"https://doi.org/10.1007/978-3-540-75551-7_6","pdf_url":null,"source":{"id":"https://openalex.org/S106296714","display_name":"Lecture notes in computer science","issn_l":"0302-9743","issn":["0302-9743","1611-3349"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"book series"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lecture Notes in Computer Science","raw_type":"book-chapter"},"type":"book-chapter","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://lirias.kuleuven.be/handle/123456789/228679","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5082774652","display_name":"Markulf Kohlweiss","orcid":"https://orcid.org/0000-0002-8660-9663"},"institutions":[{"id":"https://openalex.org/I99464096","display_name":"KU Leuven","ror":"https://ror.org/05f950310","country_code":"BE","type":"education","lineage":["https://openalex.org/I99464096"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Markulf Kohlweiss","raw_affiliation_strings":["K.U. Leuven ESAT/COSIC, Kasteelpark Arenberg 10, 3001 Leuven, Belgium","K.U. Leuven, ESAT, COSIC, Leuven, Belgium#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"K.U. Leuven ESAT/COSIC, Kasteelpark Arenberg 10, 3001 Leuven, Belgium","institution_ids":["https://openalex.org/I99464096"]},{"raw_affiliation_string":"K.U. Leuven, ESAT, COSIC, Leuven, Belgium#TAB#","institution_ids":["https://openalex.org/I99464096"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066436044","display_name":"Sebastian Faust","orcid":"https://orcid.org/0000-0002-8625-4639"},"institutions":[{"id":"https://openalex.org/I99464096","display_name":"KU Leuven","ror":"https://ror.org/05f950310","country_code":"BE","type":"education","lineage":["https://openalex.org/I99464096"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Sebastian Faust","raw_affiliation_strings":["K.U. Leuven ESAT/COSIC, Kasteelpark Arenberg 10, 3001 Leuven, Belgium","K.U. Leuven, ESAT, COSIC, Leuven, Belgium#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"K.U. Leuven ESAT/COSIC, Kasteelpark Arenberg 10, 3001 Leuven, Belgium","institution_ids":["https://openalex.org/I99464096"]},{"raw_affiliation_string":"K.U. Leuven, ESAT, COSIC, Leuven, Belgium#TAB#","institution_ids":["https://openalex.org/I99464096"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5072779567","display_name":"Lothar Fritsch","orcid":"https://orcid.org/0000-0002-0418-4121"},"institutions":[{"id":"https://openalex.org/I114090438","display_name":"Goethe University Frankfurt","ror":"https://ror.org/04cvxnb49","country_code":"DE","type":"education","lineage":["https://openalex.org/I114090438"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Lothar Fritsch","raw_affiliation_strings":["Johann Wolfgang Goethe-Universit\u00e4t, 60054 Frankfurt am Main, Germany","Johann-Wolfgang-Goethe-Universit\u00e4t, Frankfurt am Main, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Johann Wolfgang Goethe-Universit\u00e4t, 60054 Frankfurt am Main, Germany","institution_ids":["https://openalex.org/I114090438"]},{"raw_affiliation_string":"Johann-Wolfgang-Goethe-Universit\u00e4t, Frankfurt am Main, Germany","institution_ids":["https://openalex.org/I114090438"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5072033119","display_name":"Bartek Gedrojc","orcid":null},"institutions":[{"id":"https://openalex.org/I98358874","display_name":"Delft University of Technology","ror":"https://ror.org/02e2c7k09","country_code":"NL","type":"education","lineage":["https://openalex.org/I98358874"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"Bartek Gedrojc","raw_affiliation_strings":["TU Delf ICT, Mekelweg 4, 2628 CD Delft, The Netherlands","TU Delft, ICT, Delft, The Nederlands#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"TU Delf ICT, Mekelweg 4, 2628 CD Delft, The Netherlands","institution_ids":["https://openalex.org/I98358874"]},{"raw_affiliation_string":"TU Delft, ICT, Delft, The Nederlands#TAB#","institution_ids":["https://openalex.org/I98358874"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5039506639","display_name":"Bart Preneel","orcid":"https://orcid.org/0000-0003-2005-9651"},"institutions":[{"id":"https://openalex.org/I99464096","display_name":"KU Leuven","ror":"https://ror.org/05f950310","country_code":"BE","type":"education","lineage":["https://openalex.org/I99464096"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Bart Preneel","raw_affiliation_strings":["K.U. Leuven ESAT/COSIC, Kasteelpark Arenberg 10, 3001 Leuven, Belgium","K.U. Leuven, ESAT, COSIC, Leuven, Belgium#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"K.U. Leuven ESAT/COSIC, Kasteelpark Arenberg 10, 3001 Leuven, Belgium","institution_ids":["https://openalex.org/I99464096"]},{"raw_affiliation_string":"K.U. Leuven, ESAT, COSIC, Leuven, Belgium#TAB#","institution_ids":["https://openalex.org/I99464096"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":5000,"currency":"EUR","value_usd":5392},"apc_paid":null,"fwci":1.3948,"has_fulltext":false,"cited_by_count":23,"citation_normalized_percentile":{"value":0.83633971,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"77","last_page":"94"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10237","display_name":"Cryptography and Data Security","score":0.9998999834060669,"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":0.9998999834060669,"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/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.9998000264167786,"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/T11598","display_name":"Internet Traffic Analysis and Secure E-voting","score":0.9983000159263611,"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/homomorphic-encryption","display_name":"Homomorphic encryption","score":0.7167168855667114},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7092298269271851},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.6699924468994141},{"id":"https://openalex.org/keywords/location-based-service","display_name":"Location-based service","score":0.6326601505279541},{"id":"https://openalex.org/keywords/proxy","display_name":"Proxy (statistics)","score":0.6195184588432312},{"id":"https://openalex.org/keywords/payment","display_name":"Payment","score":0.5255835652351379},{"id":"https://openalex.org/keywords/oblivious-transfer","display_name":"Oblivious transfer","score":0.4857121407985687},{"id":"https://openalex.org/keywords/cryptography","display_name":"Cryptography","score":0.47808074951171875},{"id":"https://openalex.org/keywords/service-provider","display_name":"Service provider","score":0.4706149697303772},{"id":"https://openalex.org/keywords/internet-privacy","display_name":"Internet privacy","score":0.4083848297595978},{"id":"https://openalex.org/keywords/encryption","display_name":"Encryption","score":0.3804565668106079},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.36700305342674255},{"id":"https://openalex.org/keywords/service","display_name":"Service (business)","score":0.36618947982788086},{"id":"https://openalex.org/keywords/business","display_name":"Business","score":0.2709522843360901},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.21208667755126953}],"concepts":[{"id":"https://openalex.org/C158338273","wikidata":"https://www.wikidata.org/wiki/Q2154943","display_name":"Homomorphic encryption","level":3,"score":0.7167168855667114},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7092298269271851},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.6699924468994141},{"id":"https://openalex.org/C155292070","wikidata":"https://www.wikidata.org/wiki/Q1198122","display_name":"Location-based service","level":2,"score":0.6326601505279541},{"id":"https://openalex.org/C2780148112","wikidata":"https://www.wikidata.org/wiki/Q1432581","display_name":"Proxy (statistics)","level":2,"score":0.6195184588432312},{"id":"https://openalex.org/C145097563","wikidata":"https://www.wikidata.org/wiki/Q1148747","display_name":"Payment","level":2,"score":0.5255835652351379},{"id":"https://openalex.org/C53076038","wikidata":"https://www.wikidata.org/wiki/Q2915383","display_name":"Oblivious transfer","level":3,"score":0.4857121407985687},{"id":"https://openalex.org/C178489894","wikidata":"https://www.wikidata.org/wiki/Q8789","display_name":"Cryptography","level":2,"score":0.47808074951171875},{"id":"https://openalex.org/C116537","wikidata":"https://www.wikidata.org/wiki/Q2169973","display_name":"Service provider","level":3,"score":0.4706149697303772},{"id":"https://openalex.org/C108827166","wikidata":"https://www.wikidata.org/wiki/Q175975","display_name":"Internet privacy","level":1,"score":0.4083848297595978},{"id":"https://openalex.org/C148730421","wikidata":"https://www.wikidata.org/wiki/Q141090","display_name":"Encryption","level":2,"score":0.3804565668106079},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.36700305342674255},{"id":"https://openalex.org/C2780378061","wikidata":"https://www.wikidata.org/wiki/Q25351891","display_name":"Service (business)","level":2,"score":0.36618947982788086},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.2709522843360901},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.21208667755126953},{"id":"https://openalex.org/C162853370","wikidata":"https://www.wikidata.org/wiki/Q39809","display_name":"Marketing","level":1,"score":0.0},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1007/978-3-540-75551-7_6","is_oa":false,"landing_page_url":"https://doi.org/10.1007/978-3-540-75551-7_6","pdf_url":null,"source":{"id":"https://openalex.org/S106296714","display_name":"Lecture notes in computer science","issn_l":"0302-9743","issn":["0302-9743","1611-3349"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"book series"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lecture Notes in Computer Science","raw_type":"book-chapter"},{"id":"pmh:oai:lirias2repo.kuleuven.be:123456789/228679","is_oa":true,"landing_page_url":"https://lirias.kuleuven.be/handle/123456789/228679","pdf_url":null,"source":{"id":"https://openalex.org/S7407055369","display_name":"Lirias","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":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"PET 2007, CANADA, Ottawa, 20-22 June 2007","raw_type":"info:eu-repo/semantics/conferenceObject"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.140.7890","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.140.7890","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.freehaven.net/anonbib/cache/faust-pet2007.pdf","raw_type":"text"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.572.244","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.572.244","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.cosic.esat.kuleuven.be/publications/article-902.pdf","raw_type":"text"}],"best_oa_location":{"id":"pmh:oai:lirias2repo.kuleuven.be:123456789/228679","is_oa":true,"landing_page_url":"https://lirias.kuleuven.be/handle/123456789/228679","pdf_url":null,"source":{"id":"https://openalex.org/S7407055369","display_name":"Lirias","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":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"PET 2007, CANADA, Ottawa, 20-22 June 2007","raw_type":"info:eu-repo/semantics/conferenceObject"},"sustainable_development_goals":[{"score":0.5199999809265137,"id":"https://metadata.un.org/sdg/17","display_name":"Partnerships for the goals"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":33,"referenced_works":["https://openalex.org/W7869533","https://openalex.org/W1493667639","https://openalex.org/W1501894674","https://openalex.org/W1503304944","https://openalex.org/W1515669336","https://openalex.org/W1544327602","https://openalex.org/W1549300373","https://openalex.org/W1550910269","https://openalex.org/W1589034595","https://openalex.org/W1601001795","https://openalex.org/W1608862252","https://openalex.org/W1752677809","https://openalex.org/W1754500122","https://openalex.org/W1848256488","https://openalex.org/W1995320371","https://openalex.org/W2056773559","https://openalex.org/W2080666024","https://openalex.org/W2095708839","https://openalex.org/W2103647628","https://openalex.org/W2106283793","https://openalex.org/W2113599658","https://openalex.org/W2116347193","https://openalex.org/W2132172731","https://openalex.org/W2149389044","https://openalex.org/W2201681885","https://openalex.org/W2484860292","https://openalex.org/W2488547546","https://openalex.org/W2490195800","https://openalex.org/W2490520464","https://openalex.org/W2494421621","https://openalex.org/W2506201965","https://openalex.org/W2561675875","https://openalex.org/W2770583616"],"related_works":["https://openalex.org/W2539930818","https://openalex.org/W2950359121","https://openalex.org/W4390664647","https://openalex.org/W3012147850","https://openalex.org/W2023951105","https://openalex.org/W2152299064","https://openalex.org/W2951391113","https://openalex.org/W103476166","https://openalex.org/W2017617306","https://openalex.org/W4386260070"],"abstract_inverted_index":null,"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":4},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":1}],"updated_date":"2026-07-02T09:51:11.867554","created_date":"2025-10-10T00:00:00"}
