{"id":"https://openalex.org/W2899793917","doi":"https://doi.org/10.1109/tkde.2018.2879819","title":"Answering Why-Not Group Spatial Keyword Queries","display_name":"Answering Why-Not Group Spatial Keyword Queries","publication_year":2018,"publication_date":"2018-11-06","ids":{"openalex":"https://openalex.org/W2899793917","doi":"https://doi.org/10.1109/tkde.2018.2879819","mag":"2899793917"},"language":"en","primary_location":{"id":"doi:10.1109/tkde.2018.2879819","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tkde.2018.2879819","pdf_url":null,"source":{"id":"https://openalex.org/S30698027","display_name":"IEEE Transactions on Knowledge and Data Engineering","issn_l":"1041-4347","issn":["1041-4347","1558-2191","2326-3865"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320439","host_organization_name":"IEEE Computer Society","host_organization_lineage":["https://openalex.org/P4310320439","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Computer Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Knowledge and Data Engineering","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5031485610","display_name":"Bolong Zheng","orcid":"https://orcid.org/0000-0001-8639-4570"},"institutions":[{"id":"https://openalex.org/I47720641","display_name":"Huazhong University of Science and Technology","ror":"https://ror.org/00p991c53","country_code":"CN","type":"education","lineage":["https://openalex.org/I47720641"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Bolong Zheng","raw_affiliation_strings":["Huazhong University of Science and Technology, Wuhan, China"],"affiliations":[{"raw_affiliation_string":"Huazhong University of Science and Technology, Wuhan, China","institution_ids":["https://openalex.org/I47720641"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101619839","display_name":"Kai Zheng","orcid":"https://orcid.org/0000-0003-1996-1699"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Kai Zheng","raw_affiliation_strings":["Big Data Research Center, University of Electronic Science and Technology of China, Chengdu, China"],"affiliations":[{"raw_affiliation_string":"Big Data Research Center, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029380368","display_name":"Christian S. Jensen","orcid":"https://orcid.org/0000-0002-9697-7670"},"institutions":[{"id":"https://openalex.org/I891191580","display_name":"Aalborg University","ror":"https://ror.org/04m5j1k67","country_code":"DK","type":"education","lineage":["https://openalex.org/I891191580"]}],"countries":["DK"],"is_corresponding":false,"raw_author_name":"Christian S. Jensen","raw_affiliation_strings":["Aalborg University, Aalborg, Denmark"],"affiliations":[{"raw_affiliation_string":"Aalborg University, Aalborg, Denmark","institution_ids":["https://openalex.org/I891191580"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5051219382","display_name":"Quoc Viet Hung Nguyen","orcid":"https://orcid.org/0000-0002-9687-1315"},"institutions":[{"id":"https://openalex.org/I11701301","display_name":"Griffith University","ror":"https://ror.org/02sc3r913","country_code":"AU","type":"education","lineage":["https://openalex.org/I11701301"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Nguyen Quoc Viet Hung","raw_affiliation_strings":["Griffith University, Nathan, Australia"],"affiliations":[{"raw_affiliation_string":"Griffith University, Nathan, Australia","institution_ids":["https://openalex.org/I11701301"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103029832","display_name":"Han Su","orcid":"https://orcid.org/0000-0001-5579-0378"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Han Su","raw_affiliation_strings":["Big Data Research Center, University of Electronic Science and Technology of China, Chengdu, China"],"affiliations":[{"raw_affiliation_string":"Big Data Research Center, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100337866","display_name":"Guohui Li","orcid":"https://orcid.org/0000-0001-6984-1914"},"institutions":[{"id":"https://openalex.org/I47720641","display_name":"Huazhong University of Science and Technology","ror":"https://ror.org/00p991c53","country_code":"CN","type":"education","lineage":["https://openalex.org/I47720641"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Guohui Li","raw_affiliation_strings":["Huazhong University of Science and Technology, Wuhan, China"],"affiliations":[{"raw_affiliation_string":"Huazhong University of Science and Technology, Wuhan, China","institution_ids":["https://openalex.org/I47720641"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5011384237","display_name":"Xiaofang Zhou","orcid":"https://orcid.org/0000-0001-6343-1455"},"institutions":[{"id":"https://openalex.org/I165143802","display_name":"The University of Queensland","ror":"https://ror.org/00rqy9422","country_code":"AU","type":"education","lineage":["https://openalex.org/I165143802"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Xiaofang Zhou","raw_affiliation_strings":["University of Queensland, St Lucia, Australia"],"affiliations":[{"raw_affiliation_string":"University of Queensland, St Lucia, Australia","institution_ids":["https://openalex.org/I165143802"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5031485610"],"corresponding_institution_ids":["https://openalex.org/I47720641"],"apc_list":null,"apc_paid":null,"fwci":3.6484,"has_fulltext":false,"cited_by_count":38,"citation_normalized_percentile":{"value":0.94165854,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":95,"max":99},"biblio":{"volume":"32","issue":"1","first_page":"26","last_page":"39"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11106","display_name":"Data Management and Algorithms","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T11106","display_name":"Data Management and Algorithms","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T10317","display_name":"Advanced Database Systems and Queries","score":0.9987999796867371,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/T10757","display_name":"Geographic Information Systems Studies","score":0.9922000169754028,"subfield":{"id":"https://openalex.org/subfields/3305","display_name":"Geography, Planning and Development"},"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":0.8032352924346924},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.583461344242096},{"id":"https://openalex.org/keywords/group","display_name":"Group (periodic table)","score":0.5713375806808472},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.34698957204818726}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8032352924346924},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.583461344242096},{"id":"https://openalex.org/C2781311116","wikidata":"https://www.wikidata.org/wiki/Q83306","display_name":"Group (periodic table)","level":2,"score":0.5713375806808472},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.34698957204818726},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0}],"mesh":[],"locations_count":6,"locations":[{"id":"doi:10.1109/tkde.2018.2879819","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tkde.2018.2879819","pdf_url":null,"source":{"id":"https://openalex.org/S30698027","display_name":"IEEE Transactions on Knowledge and Data Engineering","issn_l":"1041-4347","issn":["1041-4347","1558-2191","2326-3865"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320439","host_organization_name":"IEEE Computer Society","host_organization_lineage":["https://openalex.org/P4310320439","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Computer Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Knowledge and Data Engineering","raw_type":"journal-article"},{"id":"pmh:oai:espace.library.uq.edu.au:UQ:3708eaa","is_oa":false,"landing_page_url":null,"pdf_url":null,"source":{"id":"https://openalex.org/S4306402388","display_name":"Queensland's institutional digital repository (The University of Queensland)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I165143802","host_organization_name":"The University of Queensland","host_organization_lineage":["https://openalex.org/I165143802"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Journal Article"},{"id":"pmh:oai:pure.atira.dk:publications/ab42edce-fe08-43b3-a02b-db363febc2c7","is_oa":false,"landing_page_url":"https://vbn.aau.dk/da/publications/ab42edce-fe08-43b3-a02b-db363febc2c7","pdf_url":null,"source":{"id":"https://openalex.org/S4306401731","display_name":"VBN Forskningsportal (Aalborg Universitet)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I891191580","host_organization_name":"Aalborg University","host_organization_lineage":["https://openalex.org/I891191580"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Zheng , B , Zheng , K , Jensen , C S , Nguyen , Q V H , Su , H , Li , G &amp; Zhou , X 2020 , ' Answering Why-Not Group Spatial Keyword Queries ' , I E E E Transactions on Knowledge &amp; Data Engineering , vol. 32 , no. 1 , 8525350 , pp. 26-39 . https://doi.org/10.1109/TKDE.2018.2879819","raw_type":"article"},{"id":"pmh:oai:repository.hkust.edu.hk:1783.1-108045","is_oa":false,"landing_page_url":"http://lbdiscover.ust.hk/uresolver?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rfr_id=info:sid/HKUST:SPI&rft.genre=article&rft.issn=1041-4347&rft.volume=v. 32&rft.issue=(1)&rft.date=2020&rft.spage=26&rft.aulast=Zheng&rft.aufirst=B.&rft.atitle=Answering+Why-Not+Group+Spatial+Keyword+Queries&rft.title=IEEE+Transactions+on+Knowledge+and+Data+Engineering","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:repository.ust.hk:1783.1-108045","is_oa":false,"landing_page_url":"http://repository.ust.hk/ir/Record/1783.1-108045","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":"","raw_type":"Article"},{"id":"pmh:oai:research-repository.griffith.edu.au:10072/383890","is_oa":false,"landing_page_url":"http://hdl.handle.net/10072/383890","pdf_url":null,"source":{"id":"https://openalex.org/S4306402548","display_name":"Griffith Research Online (Griffith University, Queensland, Australia)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I11701301","host_organization_name":"Griffith University","host_organization_lineage":["https://openalex.org/I11701301"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Journal article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Peace, Justice and strong institutions","score":0.46000000834465027,"id":"https://metadata.un.org/sdg/16"}],"awards":[{"id":"https://openalex.org/G3561341673","display_name":null,"funder_award_id":"61836007","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3605299792","display_name":null,"funder_award_id":"61532018","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3634295602","display_name":null,"funder_award_id":"61832017","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G440802283","display_name":null,"funder_award_id":"61572215","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320309327","display_name":"Google","ror":"https://ror.org/00njsd438"},{"id":"https://openalex.org/F4320309928","display_name":"Aarhus Universitet","ror":"https://ror.org/01aj84f44"},{"id":"https://openalex.org/F4320320984","display_name":"University of Queensland","ror":"https://ror.org/00rqy9422"},{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320321409","display_name":"Aalborg Universitet","ror":"https://ror.org/04m5j1k67"},{"id":"https://openalex.org/F4320321883","display_name":"Huazhong University of Science and Technology","ror":"https://ror.org/00p991c53"},{"id":"https://openalex.org/F4320324292","display_name":"Det Obelske Familiefond","ror":"https://ror.org/032wd7d36"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":39,"referenced_works":["https://openalex.org/W1785837166","https://openalex.org/W1971750544","https://openalex.org/W1991128947","https://openalex.org/W2006307108","https://openalex.org/W2008806832","https://openalex.org/W2009688537","https://openalex.org/W2035599448","https://openalex.org/W2048372226","https://openalex.org/W2068094808","https://openalex.org/W2090821537","https://openalex.org/W2093156090","https://openalex.org/W2098292500","https://openalex.org/W2102319056","https://openalex.org/W2106936040","https://openalex.org/W2110261118","https://openalex.org/W2111971349","https://openalex.org/W2126571825","https://openalex.org/W2131796944","https://openalex.org/W2135054391","https://openalex.org/W2139273822","https://openalex.org/W2140048308","https://openalex.org/W2143709779","https://openalex.org/W2151345349","https://openalex.org/W2165735734","https://openalex.org/W2166709576","https://openalex.org/W2167275936","https://openalex.org/W2170188482","https://openalex.org/W2189475755","https://openalex.org/W2221780114","https://openalex.org/W2244863692","https://openalex.org/W2403572391","https://openalex.org/W2426860188","https://openalex.org/W2514063571","https://openalex.org/W2520953423","https://openalex.org/W2761825298","https://openalex.org/W4246215794","https://openalex.org/W6680420541","https://openalex.org/W6713176763","https://openalex.org/W6726984634"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W4391913857","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W4396696052"],"abstract_inverted_index":{"With":[0],"the":[1,7,16,36,51,79,85,105,138,151,157,164,194,201,205,217,220,243,251,256,270],"proliferation":[2],"of":[3,18,40,49,53,63,87,178,212,219,235,245],"geo-textual":[4],"objects":[5,69,98,213],"on":[6,34],"web,":[8],"extensive":[9],"efforts":[10],"have":[11],"been":[12,32],"devoted":[13],"to":[14,66,78,102,128,145,156,174,278],"improving":[15],"efficiency":[17],"top-k":[19,55,158],"spatial":[20,57,160],"keyword":[21,58,161],"queries":[22],"in":[23,104,108,143,154],"different":[24],"settings.":[25],"However,":[26],"comparatively":[27],"much":[28],"less":[29],"work":[30],"has":[31],"reported":[33],"enhancing":[35,50],"quality":[37],"and":[38,75,111,249,264,281],"usability":[39,52],"such":[41,88],"queries.":[42,238],"In":[43],"this":[44,118],"context,":[45],"we":[46,120,149],"propose":[47,187],"means":[48],"a":[54,61,89,122,134,176,181,188,210],"group":[56,62,159,177],"query,":[59,90,162],"where":[60],"users":[64,83,179],"aim":[65],"find":[67,93],"k":[68],"that":[70,94,99,125,136,171,214,231,269],"contain":[71],"given":[72],"query":[73,132,135,153,184,248],"keywords":[74],"are":[76,107],"nearest":[77],"users.":[80],"Specifically,":[81,148],"when":[82],"receive":[84],"result":[86,106],"they":[91,100,112],"may":[92,113,215],"one":[95],"or":[96],"more":[97,182,236],"expect":[101],"be":[103],"fact":[109],"missing,":[110,141],"wonder":[114],"why.":[115],"To":[116],"address":[117],"situation,":[119],"develop":[121],"so-called":[123],"why-notquery":[124],"is":[126,172],"able":[127,173],"minimally":[129,257],"modifythe":[130],"original":[131],"into":[133],"returns":[137,250],"expected,":[139],"but":[140],"objects,":[142],"addition":[144],"other":[146],"objects.":[147,222],"formalize":[150],"why-not":[152],"relation":[155],"called":[163],"Why-not":[165],"Group":[166],"Spatial":[167],"Keyword":[168],"Query":[169],"(WGSK)":[170],"provide":[175],"with":[180,262,276],"satisfactory":[183],"result.":[185],"We":[186],"three-phase":[189],"framework":[190],"for":[191,204],"efficiently":[192],"computing":[193],"WGSK.":[195],"The":[196,223,239],"first":[197],"phase":[198,225,241],"substantially":[199],"reduces":[200],"search":[202],"space":[203],"subsequent":[206],"phases":[207],"by":[208],"retrieving":[209],"set":[211],"affect":[216],"ranking":[218],"user-expected":[221],"second":[224],"provides":[226],"an":[227],"incremental":[228],"sampling":[229],"algorithm":[230],"generates":[232],"candidate":[233],"weightings":[234],"promising":[237],"third":[240],"determines":[242],"penalty":[244],"each":[246],"refined":[247],"querywith":[252],"minimal":[253],"penalty,":[254],"i.e.,":[255],"modified":[258],"query.":[259],"Extensive":[260],"experiments":[261],"real":[263],"synthetic":[265],"data":[266],"offer":[267],"evidence":[268],"proposed":[271],"solution":[272],"excels":[273],"over":[274],"baselines":[275],"respect":[277],"both":[279],"effectiveness":[280],"efficiency.":[282]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":7},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":10},{"year":2020,"cited_by_count":6},{"year":2019,"cited_by_count":6}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}
