{"id":"https://openalex.org/W2943420531","doi":"https://doi.org/10.1109/tkde.2019.2914449","title":"Reference-Based Framework for Spatio-Temporal Trajectory Compression and Query Processing","display_name":"Reference-Based Framework for Spatio-Temporal Trajectory Compression and Query Processing","publication_year":2019,"publication_date":"2019-05-02","ids":{"openalex":"https://openalex.org/W2943420531","doi":"https://doi.org/10.1109/tkde.2019.2914449","mag":"2943420531"},"language":"en","primary_location":{"id":"doi:10.1109/tkde.2019.2914449","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tkde.2019.2914449","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/A5100603979","display_name":"Kai Zheng","orcid":"https://orcid.org/0000-0002-0217-3998"},"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"]},{"id":"https://openalex.org/I4210123185","display_name":"Zhejiang Lab","ror":"https://ror.org/02m2h7991","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210123185"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Kai Zheng","raw_affiliation_strings":["School of Computer Science and Engineering, University of Electronic Science and Technology of China, Chengdu, China","Zhejiang Lab, Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"School of Computer Science and Engineering, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]},{"raw_affiliation_string":"Zhejiang Lab, Hangzhou, China","institution_ids":["https://openalex.org/I4210123185"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060365518","display_name":"Yan Zhao","orcid":"https://orcid.org/0000-0002-0242-3707"},"institutions":[{"id":"https://openalex.org/I3923682","display_name":"Soochow University","ror":"https://ror.org/05t8y2r12","country_code":"CN","type":"education","lineage":["https://openalex.org/I3923682"]},{"id":"https://openalex.org/I4210123185","display_name":"Zhejiang Lab","ror":"https://ror.org/02m2h7991","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210123185"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yan Zhao","raw_affiliation_strings":["Institute of Artificial Intelligence, School of Computer Science and Technology, Soochow University, Suzhou, China","Zhejiang Lab, Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"Institute of Artificial Intelligence, School of Computer Science and Technology, Soochow University, Suzhou, China","institution_ids":["https://openalex.org/I3923682"]},{"raw_affiliation_string":"Zhejiang Lab, Hangzhou, China","institution_ids":["https://openalex.org/I4210123185"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085254654","display_name":"Defu Lian","orcid":"https://orcid.org/0000-0002-3507-9607"},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Defu Lian","raw_affiliation_strings":["School of Computer Science and Technology and School of Data Science, University of Science and Technology of China, Hefei, China"],"affiliations":[{"raw_affiliation_string":"School of Computer Science and Technology and School of Data Science, University of Science and Technology of China, Hefei, China","institution_ids":["https://openalex.org/I126520041"]}]},{"author_position":"middle","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":false,"raw_author_name":"Bolong Zheng","raw_affiliation_strings":["School of Computer Science and Technology, Huazhong University of Science and Technology, Wuhan, China"],"affiliations":[{"raw_affiliation_string":"School of Computer Science and Technology, Huazhong University of Science and Technology, Wuhan, China","institution_ids":["https://openalex.org/I47720641"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5070515519","display_name":"Guanfeng Liu","orcid":"https://orcid.org/0000-0001-8980-4950"},"institutions":[{"id":"https://openalex.org/I99043593","display_name":"Macquarie University","ror":"https://ror.org/01sf06y89","country_code":"AU","type":"education","lineage":["https://openalex.org/I99043593"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Guanfeng Liu","raw_affiliation_strings":["Department of Computing, Macquarie University, Sydney, Australia"],"affiliations":[{"raw_affiliation_string":"Department of Computing, Macquarie University, Sydney, Australia","institution_ids":["https://openalex.org/I99043593"]}]},{"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"]},{"id":"https://openalex.org/I4210123185","display_name":"Zhejiang Lab","ror":"https://ror.org/02m2h7991","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210123185"]}],"countries":["AU","CN"],"is_corresponding":false,"raw_author_name":"Xiaofang Zhou","raw_affiliation_strings":["University of Queensland, Brisbane, Australia","Zhejiang Lab, Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"University of Queensland, Brisbane, Australia","institution_ids":["https://openalex.org/I165143802"]},{"raw_affiliation_string":"Zhejiang Lab, Hangzhou, China","institution_ids":["https://openalex.org/I4210123185"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5100603979"],"corresponding_institution_ids":["https://openalex.org/I150229711","https://openalex.org/I4210123185"],"apc_list":null,"apc_paid":null,"fwci":6.5113,"has_fulltext":false,"cited_by_count":66,"citation_normalized_percentile":{"value":0.97394851,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":98,"max":99},"biblio":{"volume":"32","issue":"11","first_page":"2227","last_page":"2240"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11106","display_name":"Data Management and Algorithms","score":0.9998000264167786,"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":0.9998000264167786,"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/T11269","display_name":"Algorithms and Data Compression","score":0.984000027179718,"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/T11980","display_name":"Human Mobility and Location-Based Analysis","score":0.9800000190734863,"subfield":{"id":"https://openalex.org/subfields/3313","display_name":"Transportation"},"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":0.8299431204795837},{"id":"https://openalex.org/keywords/trajectory","display_name":"Trajectory","score":0.7875217199325562},{"id":"https://openalex.org/keywords/search-engine-indexing","display_name":"Search engine indexing","score":0.6046285033226013},{"id":"https://openalex.org/keywords/data-compression","display_name":"Data compression","score":0.536523699760437},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.4781023859977722},{"id":"https://openalex.org/keywords/compression","display_name":"Compression (physics)","score":0.433419793844223},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.40955954790115356},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.3475332260131836},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.23374325037002563}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8299431204795837},{"id":"https://openalex.org/C13662910","wikidata":"https://www.wikidata.org/wiki/Q193139","display_name":"Trajectory","level":2,"score":0.7875217199325562},{"id":"https://openalex.org/C75165309","wikidata":"https://www.wikidata.org/wiki/Q2258979","display_name":"Search engine indexing","level":2,"score":0.6046285033226013},{"id":"https://openalex.org/C78548338","wikidata":"https://www.wikidata.org/wiki/Q2493","display_name":"Data compression","level":2,"score":0.536523699760437},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.4781023859977722},{"id":"https://openalex.org/C180016635","wikidata":"https://www.wikidata.org/wiki/Q2712821","display_name":"Compression (physics)","level":2,"score":0.433419793844223},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.40955954790115356},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.3475332260131836},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.23374325037002563},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.0},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/tkde.2019.2914449","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tkde.2019.2914449","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:98a46ab","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:repository.ust.hk:1783.1-107976","is_oa":false,"landing_page_url":"http://gateway.isiknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=LinksAMR&SrcApp=PARTNER_APP&DestLinkType=FullRecord&DestApp=WOS&KeyUT=000576417000013","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"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/11","score":0.4099999964237213,"display_name":"Sustainable cities and communities"}],"awards":[{"id":"https://openalex.org/G1651723138","display_name":null,"funder_award_id":"61772356","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"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/G7342200561","display_name":null,"funder_award_id":"61872258","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"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/F4320323292","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92"},{"id":"https://openalex.org/F4320324720","display_name":"Soochow University","ror":"https://ror.org/05t8y2r12"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":40,"referenced_works":["https://openalex.org/W86213483","https://openalex.org/W116902681","https://openalex.org/W149117090","https://openalex.org/W1552383713","https://openalex.org/W1567097384","https://openalex.org/W1597504361","https://openalex.org/W1600482701","https://openalex.org/W1701831467","https://openalex.org/W1915771221","https://openalex.org/W1973355601","https://openalex.org/W1975946664","https://openalex.org/W1981934656","https://openalex.org/W1982300822","https://openalex.org/W1989788599","https://openalex.org/W2029052362","https://openalex.org/W2049626361","https://openalex.org/W2065663378","https://openalex.org/W2077386495","https://openalex.org/W2086020653","https://openalex.org/W2097597750","https://openalex.org/W2098292500","https://openalex.org/W2100946521","https://openalex.org/W2107633943","https://openalex.org/W2112129327","https://openalex.org/W2118269922","https://openalex.org/W2118371392","https://openalex.org/W2138044257","https://openalex.org/W2147880780","https://openalex.org/W2158454296","https://openalex.org/W2213374841","https://openalex.org/W2460617452","https://openalex.org/W2611385105","https://openalex.org/W2612068780","https://openalex.org/W2809553093","https://openalex.org/W2963151671","https://openalex.org/W4241186228","https://openalex.org/W6604828220","https://openalex.org/W6674645168","https://openalex.org/W6675130837","https://openalex.org/W6736924125"],"related_works":["https://openalex.org/W3024364549","https://openalex.org/W4206019083","https://openalex.org/W1976265003","https://openalex.org/W2054476758","https://openalex.org/W2370378377","https://openalex.org/W2048865712","https://openalex.org/W4210535024","https://openalex.org/W4237510188","https://openalex.org/W1967080779","https://openalex.org/W2612632602"],"abstract_inverted_index":{"The":[0],"pervasiveness":[1],"of":[2,53,56,92,116,121,133,135,156,258,267],"GPS-enabled":[3],"devices":[4],"and":[5,20,159,196,198,219,271],"wireless":[6],"communication":[7],"technologies":[8],"results":[9],"in":[10,27,118,153,243,265],"massive":[11],"trajectory":[12,37,42,48,66,79,175,253],"data,":[13,38],"incurring":[14],"expensive":[15],"cost":[16],"for":[17,35,141],"storage,":[18],"transmission,":[19],"query":[21],"processing.":[22],"To":[23,123],"relieve":[24],"this":[25,28],"problem,":[26],"paper":[29],"we":[30,88,146,229],"propose":[31,89,147],"a":[32,46,54,68,77,100,143,188,250],"novel":[33],"framework":[34,178,260],"compressing":[36],"REST":[39],"(Reference-based":[40],"Spatio-temporal":[41],"compression),":[43],"by":[44,51,129,209],"which":[45],"raw":[47,224],"is":[49,109],"represented":[50],"concatenation":[52],"series":[55],"historical":[57],"(sub-)trajectories":[58],"(called":[59],"reference":[60,78,96,107,136,212],"trajectories)":[61],"that":[62,81,104,138,151,163,235],"form":[63],"the":[64,85,105,119,125,130,154,166,211,223,256],"compressed":[65,245],"within":[67,187],"given":[69,144],"spatio-temporal":[70,205,238],"deviation":[71],"threshold.":[72],"In":[73,207],"order":[74],"to":[75,94,171,222],"construct":[76],"set":[80,108],"can":[82,164,236],"most":[83,114],"benefit":[84],"subsequent":[86],"compression,":[87,176],"three":[90],"kinds":[91],"techniques":[93],"select":[95],"trajectories":[97,117,137,213,225,242],"wisely":[98],"from":[99],"large":[101,131],"dataset":[102,254],"such":[103,184],"resulting":[106],"more":[110],"compact":[111],"yet":[112],"covering":[113],"footprints":[115],"area":[120],"interest.":[122],"address":[124],"computational":[126],"issue":[127],"caused":[128],"number":[132],"combinations":[134],"may":[139],"exist":[140],"resembling":[142],"trajectory,":[145],"efficient":[148,233],"greedy":[149],"algorithms":[150,162],"run":[152],"blink":[155],"an":[157,216,231],"eye":[158],"dynamic":[160],"programming":[161],"achieve":[165],"optimal":[167],"compression":[168,200,269],"ratio.":[169],"Compared":[170],"existing":[172,262],"work":[173],"on":[174,249],"our":[177,259],"has":[179],"few":[180],"assumptions":[181],"about":[182],"data":[183],"as":[185],"moving":[186,192],"road":[189],"network":[190],"or":[191],"with":[193,202,215,226],"constant":[194],"direction":[195],"speed,":[197],"better":[199],"performance":[201],"fairly":[203],"small":[204],"loss.":[206],"addition,":[208],"indexing":[210],"directly":[214],"in-memory":[217],"R-tree":[218],"building":[220],"connections":[221],"inverted":[227],"index,":[228],"develop":[230],"extremely":[232],"algorithm":[234],"answer":[237],"range":[239],"queries":[240],"over":[241,261],"their":[244],"form.":[246],"Extensive":[247],"experiments":[248],"real":[251],"taxi":[252],"demonstrate":[255],"superiority":[257],"representative":[263],"approaches":[264],"terms":[266],"both":[268],"ratio":[270],"efficiency.":[272]},"counts_by_year":[{"year":2025,"cited_by_count":9},{"year":2024,"cited_by_count":11},{"year":2023,"cited_by_count":7},{"year":2022,"cited_by_count":8},{"year":2021,"cited_by_count":13},{"year":2020,"cited_by_count":6},{"year":2019,"cited_by_count":12}],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}
