{"id":"https://openalex.org/W4406848516","doi":"https://doi.org/10.1007/s00778-024-00896-3","title":"Hu-Fu: efficient and secure spatial queries over data federation","display_name":"Hu-Fu: efficient and secure spatial queries over data federation","publication_year":2025,"publication_date":"2025-01-27","ids":{"openalex":"https://openalex.org/W4406848516","doi":"https://doi.org/10.1007/s00778-024-00896-3"},"language":"en","primary_location":{"id":"doi:10.1007/s00778-024-00896-3","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s00778-024-00896-3","pdf_url":null,"source":{"id":"https://openalex.org/S78926909","display_name":"The VLDB Journal","issn_l":"0949-877X","issn":["0949-877X","1066-8888"],"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":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The VLDB Journal","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://ink.library.smu.edu.sg/cgi/viewcontent.cgi?article=8223&amp;amp;context=sis_research","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5051874566","display_name":"Yongxin Tong","orcid":"https://orcid.org/0000-0002-5598-0312"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Yongxin Tong","raw_affiliation_strings":["State Key Laboratory of Complex & Critical Software Environment and Beijing Advanced Innovation Center for Future Blockchain and Privacy Computing, Beihang University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Complex & Critical Software Environment and Beijing Advanced Innovation Center for Future Blockchain and Privacy Computing, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101310689","display_name":"Yuxiang Zeng","orcid":"https://orcid.org/0000-0003-0126-3083"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuxiang Zeng","raw_affiliation_strings":["State Key Laboratory of Complex & Critical Software Environment and Beijing Advanced Innovation Center for Future Blockchain and Privacy Computing, Beihang University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Complex & Critical Software Environment and Beijing Advanced Innovation Center for Future Blockchain and Privacy Computing, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5083873109","display_name":"Yang Song","orcid":"https://orcid.org/0000-0002-1714-5527"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yang Song","raw_affiliation_strings":["State Key Laboratory of Complex & Critical Software Environment and Beijing Advanced Innovation Center for Future Blockchain and Privacy Computing, Beihang University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Complex & Critical Software Environment and Beijing Advanced Innovation Center for Future Blockchain and Privacy Computing, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5019384385","display_name":"Xuchen Pan","orcid":null},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xuchen Pan","raw_affiliation_strings":["State Key Laboratory of Complex & Critical Software Environment and Beijing Advanced Innovation Center for Future Blockchain and Privacy Computing, Beihang University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Complex & Critical Software Environment and Beijing Advanced Innovation Center for Future Blockchain and Privacy Computing, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069028088","display_name":"Zhimin Fan","orcid":"https://orcid.org/0000-0003-1996-6414"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zeheng Fan","raw_affiliation_strings":["State Key Laboratory of Complex & Critical Software Environment and Beijing Advanced Innovation Center for Future Blockchain and Privacy Computing, Beihang University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Complex & Critical Software Environment and Beijing Advanced Innovation Center for Future Blockchain and Privacy Computing, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5026637166","display_name":"Chunbo Xue","orcid":null},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chunbo Xue","raw_affiliation_strings":["State Key Laboratory of Complex & Critical Software Environment and Beijing Advanced Innovation Center for Future Blockchain and Privacy Computing, Beihang University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Complex & Critical Software Environment and Beijing Advanced Innovation Center for Future Blockchain and Privacy Computing, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5011140675","display_name":"Zimu Zhou","orcid":"https://orcid.org/0000-0002-5457-6967"},"institutions":[{"id":"https://openalex.org/I168719708","display_name":"City University of Hong Kong","ror":"https://ror.org/03q8dnn23","country_code":"HK","type":"education","lineage":["https://openalex.org/I168719708"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Zimu Zhou","raw_affiliation_strings":["Department of Data Science, City University of Hong Kong, Hong Kong SAR, China"],"affiliations":[{"raw_affiliation_string":"Department of Data Science, City University of Hong Kong, Hong Kong SAR, China","institution_ids":["https://openalex.org/I168719708"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5001241928","display_name":"Xiaofei Zhang","orcid":"https://orcid.org/0000-0003-2633-9929"},"institutions":[{"id":"https://openalex.org/I94658018","display_name":"University of Memphis","ror":"https://ror.org/01cq23130","country_code":"US","type":"education","lineage":["https://openalex.org/I94658018"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Xiaofei Zhang","raw_affiliation_strings":["The University of Memphis, Memphis, USA"],"affiliations":[{"raw_affiliation_string":"The University of Memphis, Memphis, USA","institution_ids":["https://openalex.org/I94658018"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100333516","display_name":"Lei Chen","orcid":"https://orcid.org/0000-0002-8257-5806"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]},{"id":"https://openalex.org/I4210096887","display_name":"HKUST Shenzhen Research Institute","ror":"https://ror.org/00sz56h79","country_code":"CN","type":"facility","lineage":["https://openalex.org/I200769079","https://openalex.org/I20231570","https://openalex.org/I4210096887","https://openalex.org/I4210147811"]}],"countries":["CN","HK"],"is_corresponding":false,"raw_author_name":"Lei Chen","raw_affiliation_strings":["HKUST Shenzhen-Hong Kong Collaborative Innovation Research Institute, Shenzhen, China","Hong Kong University of Science and Technology (GZ), Guangzhou, China","The Hong Kong University of Science and Technology, Hong Kong SAR, China"],"affiliations":[{"raw_affiliation_string":"HKUST Shenzhen-Hong Kong Collaborative Innovation Research Institute, Shenzhen, China","institution_ids":["https://openalex.org/I4210096887"]},{"raw_affiliation_string":"Hong Kong University of Science and Technology (GZ), Guangzhou, China","institution_ids":[]},{"raw_affiliation_string":"The Hong Kong University of Science and Technology, Hong Kong SAR, China","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101403202","display_name":"Yi Xu","orcid":"https://orcid.org/0000-0002-2709-3652"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yi Xu","raw_affiliation_strings":["State Key Laboratory of Complex & Critical Software Environment and Beijing Advanced Innovation Center for Future Blockchain and Privacy Computing, Beihang University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Complex & Critical Software Environment and Beijing Advanced Innovation Center for Future Blockchain and Privacy Computing, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101752744","display_name":"Ke Xu","orcid":"https://orcid.org/0000-0001-5693-3959"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ke Xu","raw_affiliation_strings":["State Key Laboratory of Complex & Critical Software Environment and Beijing Advanced Innovation Center for Future Blockchain and Privacy Computing, Beihang University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Complex & Critical Software Environment and Beijing Advanced Innovation Center for Future Blockchain and Privacy Computing, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5109299440","display_name":"Weifeng Lv","orcid":"https://orcid.org/0000-0002-7061-9509"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Weifeng Lv","raw_affiliation_strings":["State Key Laboratory of Complex & Critical Software Environment and Beijing Advanced Innovation Center for Future Blockchain and Privacy Computing, Beihang University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Complex & Critical Software Environment and Beijing Advanced Innovation Center for Future Blockchain and Privacy Computing, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":12,"corresponding_author_ids":["https://openalex.org/A5051874566"],"corresponding_institution_ids":["https://openalex.org/I82880672"],"apc_list":{"value":2290,"currency":"EUR","value_usd":2890},"apc_paid":null,"fwci":9.4273,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.97170041,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":98},"biblio":{"volume":"34","issue":"2","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.9998000264167786,"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"}},"topics":[{"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/T10237","display_name":"Cryptography and Data Security","score":0.9995999932289124,"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/T10927","display_name":"Access Control and Trust","score":0.9865000247955322,"subfield":{"id":"https://openalex.org/subfields/3312","display_name":"Sociology and Political Science"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6614549160003662},{"id":"https://openalex.org/keywords/russian-federation","display_name":"Russian federation","score":0.44118648767471313},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.32612472772598267},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.1844203770160675},{"id":"https://openalex.org/keywords/regional-science","display_name":"Regional science","score":0.06624817848205566}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6614549160003662},{"id":"https://openalex.org/C3019953208","wikidata":"https://www.wikidata.org/wiki/Q159","display_name":"Russian federation","level":2,"score":0.44118648767471313},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.32612472772598267},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.1844203770160675},{"id":"https://openalex.org/C148383697","wikidata":"https://www.wikidata.org/wiki/Q1781695","display_name":"Regional science","level":1,"score":0.06624817848205566}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1007/s00778-024-00896-3","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s00778-024-00896-3","pdf_url":null,"source":{"id":"https://openalex.org/S78926909","display_name":"The VLDB Journal","issn_l":"0949-877X","issn":["0949-877X","1066-8888"],"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":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The VLDB Journal","raw_type":"journal-article"},{"id":"pmh:oai:ink.library.smu.edu.sg:sis_research-8223","is_oa":true,"landing_page_url":"https://ink.library.smu.edu.sg/cgi/viewcontent.cgi?article=8223&amp;amp;context=sis_research","pdf_url":null,"source":{"id":"https://openalex.org/S4377196871","display_name":"Institutional Knowledge (InK) - Institutional Knowledge at Singapore Management University (Singapore Management University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I79891267","host_organization_name":"Singapore Management University","host_organization_lineage":["https://openalex.org/I79891267"],"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":"http://doi.org/10.14778/3514061.3514064","raw_type":"Journal Article"},{"id":"pmh:oai:repository.hkust.edu.hk:1783.1-149456","is_oa":false,"landing_page_url":"http://repository.hkust.edu.hk/ir/Record/1783.1-149456","pdf_url":null,"source":{"id":"https://openalex.org/S4306401796","display_name":"Rare & Special e-Zone (The Hong Kong University of Science and Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I200769079","host_organization_name":"Hong Kong University of Science and Technology","host_organization_lineage":["https://openalex.org/I200769079"],"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:pure.atira.dk:publications/9757b2d6-8445-4a5a-b2ba-9cc3db353174","is_oa":true,"landing_page_url":"https://hdl.handle.net/2031/9757b2d6-8445-4a5a-b2ba-9cc3db353174","pdf_url":null,"source":{"id":"https://openalex.org/S7407055387","display_name":"CityU Scholars","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":"Tong, Y, Zeng, Y, Song, Y, Pan, X, Fan, Z, Xue, C, Zhou, Z, Zhang, X, Chen, L, Xu, Y, Xu, K & Lv, W 2025, 'Hu-Fu : efficient and secure spatial queries over data federation', VLDB Journal, vol. 34, no. 2, 19. https://doi.org/10.1007/s00778-024-00896-3","raw_type":"article"}],"best_oa_location":{"id":"pmh:oai:ink.library.smu.edu.sg:sis_research-8223","is_oa":true,"landing_page_url":"https://ink.library.smu.edu.sg/cgi/viewcontent.cgi?article=8223&amp;amp;context=sis_research","pdf_url":null,"source":{"id":"https://openalex.org/S4377196871","display_name":"Institutional Knowledge (InK) - Institutional Knowledge at Singapore Management University (Singapore Management University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I79891267","host_organization_name":"Singapore Management University","host_organization_lineage":["https://openalex.org/I79891267"],"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":"http://doi.org/10.14778/3514061.3514064","raw_type":"Journal Article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1719103645","display_name":null,"funder_award_id":"No. U22B2060","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2018475111","display_name":null,"funder_award_id":"No. 62336003","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2429891451","display_name":null,"funder_award_id":"62425202","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4624503","display_name":null,"funder_award_id":"No. U21A20516","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":36,"referenced_works":["https://openalex.org/W1485800369","https://openalex.org/W1502629466","https://openalex.org/W1520270249","https://openalex.org/W1538715284","https://openalex.org/W1568832590","https://openalex.org/W1974392920","https://openalex.org/W2041480327","https://openalex.org/W2043508455","https://openalex.org/W2047008042","https://openalex.org/W2074356711","https://openalex.org/W2078401527","https://openalex.org/W2082894754","https://openalex.org/W2436533802","https://openalex.org/W2542416522","https://openalex.org/W2744999500","https://openalex.org/W2794827452","https://openalex.org/W2903850320","https://openalex.org/W2911758285","https://openalex.org/W2946336793","https://openalex.org/W2950674756","https://openalex.org/W2965866615","https://openalex.org/W3013215798","https://openalex.org/W3031450565","https://openalex.org/W3101952409","https://openalex.org/W3108672920","https://openalex.org/W3176023616","https://openalex.org/W4289866482","https://openalex.org/W4293159253","https://openalex.org/W4365795558","https://openalex.org/W4365795770","https://openalex.org/W4389258307","https://openalex.org/W4390144548","https://openalex.org/W4392719567","https://openalex.org/W4393184003","https://openalex.org/W6737838444","https://openalex.org/W6766880082"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W3023161109","https://openalex.org/W4403043108","https://openalex.org/W2906254466","https://openalex.org/W4295936756","https://openalex.org/W2390279801","https://openalex.org/W4384164303","https://openalex.org/W4250862983"],"abstract_inverted_index":null,"counts_by_year":[{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":2}],"updated_date":"2026-04-09T08:11:56.329763","created_date":"2025-10-10T00:00:00"}
