{"id":"https://openalex.org/W3127702833","doi":"https://doi.org/10.1007/s00778-021-00652-x","title":"Dragoon: a hybrid and efficient big trajectory management system for offline and online analytics","display_name":"Dragoon: a hybrid and efficient big trajectory management system for offline and online analytics","publication_year":2021,"publication_date":"2021-02-03","ids":{"openalex":"https://openalex.org/W3127702833","doi":"https://doi.org/10.1007/s00778-021-00652-x","mag":"3127702833"},"language":"en","primary_location":{"id":"doi:10.1007/s00778-021-00652-x","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s00778-021-00652-x","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":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5042394655","display_name":"Ziquan Fang","orcid":"https://orcid.org/0009-0009-2034-5501"},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Ziquan Fang","raw_affiliation_strings":["College of Computer Science, Zhejiang University, Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"College of Computer Science, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100432093","display_name":"Lu Chen","orcid":"https://orcid.org/0000-0002-5685-7017"},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lu Chen","raw_affiliation_strings":["College of Computer Science, Zhejiang University, Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"College of Computer Science, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006238145","display_name":"Yunjun Gao","orcid":"https://orcid.org/0000-0003-3816-8450"},"institutions":[{"id":"https://openalex.org/I45928872","display_name":"Alibaba Group (China)","ror":"https://ror.org/00k642b80","country_code":"CN","type":"company","lineage":["https://openalex.org/I45928872"]},{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yunjun Gao","raw_affiliation_strings":["Alibaba\u2013Zhejiang University Joint Institute of Frontier Technologies, Hangzhou, China","College of Computer Science, Zhejiang University, Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"Alibaba\u2013Zhejiang University Joint Institute of Frontier Technologies, Hangzhou, China","institution_ids":["https://openalex.org/I45928872","https://openalex.org/I76130692"]},{"raw_affiliation_string":"College of Computer Science, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008156638","display_name":"Pan Lu","orcid":"https://orcid.org/0000-0002-1640-3598"},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lu Pan","raw_affiliation_strings":["College of Computer Science, Zhejiang University, Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"College of Computer Science, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]}]},{"author_position":"last","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":["Department of Computer Science, Aalborg University, Aalborg, Denmark"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science, Aalborg University, Aalborg, Denmark","institution_ids":["https://openalex.org/I891191580"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5042394655"],"corresponding_institution_ids":["https://openalex.org/I76130692"],"apc_list":{"value":2290,"currency":"EUR","value_usd":2890},"apc_paid":null,"fwci":3.857,"has_fulltext":false,"cited_by_count":31,"citation_normalized_percentile":{"value":0.94207745,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":95,"max":99},"biblio":{"volume":"30","issue":"2","first_page":"287","last_page":"310"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11106","display_name":"Data Management and Algorithms","score":0.9998999834060669,"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":0.9998999834060669,"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/T11344","display_name":"Traffic Prediction and Management Techniques","score":0.9958999752998352,"subfield":{"id":"https://openalex.org/subfields/2215","display_name":"Building and Construction"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10317","display_name":"Advanced Database Systems and Queries","score":0.9922000169754028,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/trajectory","display_name":"Trajectory","score":0.8579977750778198},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7947967052459717},{"id":"https://openalex.org/keywords/online-and-offline","display_name":"Online and offline","score":0.7146928310394287},{"id":"https://openalex.org/keywords/big-data","display_name":"Big data","score":0.6770854592323303},{"id":"https://openalex.org/keywords/spark","display_name":"SPARK (programming language)","score":0.6638147234916687},{"id":"https://openalex.org/keywords/analytics","display_name":"Analytics","score":0.5442980527877808},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.5323097705841064},{"id":"https://openalex.org/keywords/online-algorithm","display_name":"Online algorithm","score":0.5035716891288757},{"id":"https://openalex.org/keywords/pipeline","display_name":"Pipeline (software)","score":0.45687049627304077},{"id":"https://openalex.org/keywords/flexibility","display_name":"Flexibility (engineering)","score":0.43946659564971924},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.4326101541519165},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.4304678738117218},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.3677743971347809},{"id":"https://openalex.org/keywords/data-science","display_name":"Data science","score":0.3369143605232239},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.12759026885032654},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.09900262951850891}],"concepts":[{"id":"https://openalex.org/C13662910","wikidata":"https://www.wikidata.org/wiki/Q193139","display_name":"Trajectory","level":2,"score":0.8579977750778198},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7947967052459717},{"id":"https://openalex.org/C2780102126","wikidata":"https://www.wikidata.org/wiki/Q10928179","display_name":"Online and offline","level":2,"score":0.7146928310394287},{"id":"https://openalex.org/C75684735","wikidata":"https://www.wikidata.org/wiki/Q858810","display_name":"Big data","level":2,"score":0.6770854592323303},{"id":"https://openalex.org/C2781215313","wikidata":"https://www.wikidata.org/wiki/Q3493345","display_name":"SPARK (programming language)","level":2,"score":0.6638147234916687},{"id":"https://openalex.org/C79158427","wikidata":"https://www.wikidata.org/wiki/Q485396","display_name":"Analytics","level":2,"score":0.5442980527877808},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.5323097705841064},{"id":"https://openalex.org/C196921405","wikidata":"https://www.wikidata.org/wiki/Q786431","display_name":"Online algorithm","level":2,"score":0.5035716891288757},{"id":"https://openalex.org/C43521106","wikidata":"https://www.wikidata.org/wiki/Q2165493","display_name":"Pipeline (software)","level":2,"score":0.45687049627304077},{"id":"https://openalex.org/C2780598303","wikidata":"https://www.wikidata.org/wiki/Q65921492","display_name":"Flexibility (engineering)","level":2,"score":0.43946659564971924},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.4326101541519165},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.4304678738117218},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.3677743971347809},{"id":"https://openalex.org/C2522767166","wikidata":"https://www.wikidata.org/wiki/Q2374463","display_name":"Data science","level":1,"score":0.3369143605232239},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.12759026885032654},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.09900262951850891},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"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/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","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":2,"locations":[{"id":"doi:10.1007/s00778-021-00652-x","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s00778-021-00652-x","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:pure.atira.dk:publications/32b28a5e-1eb6-4279-8f6e-bbb83539ba77","is_oa":false,"landing_page_url":"https://vbn.aau.dk/da/publications/32b28a5e-1eb6-4279-8f6e-bbb83539ba77","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":"Fang , Z , Chen , L , Gao , Y , Pan , L & Jensen , C S 2021 , ' Dragoon : a hybrid and efficient big trajectory management system for offline and online analytics ' , VLDB Journal , vol. 30 , no. 2 , pp. 287-310 . https://doi.org/10.1007/s00778-021-00652-x","raw_type":"article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/11","score":0.4300000071525574,"display_name":"Sustainable cities and communities"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":54,"referenced_works":["https://openalex.org/W578585133","https://openalex.org/W1553193704","https://openalex.org/W1566114229","https://openalex.org/W1870538541","https://openalex.org/W1965086648","https://openalex.org/W1969839198","https://openalex.org/W1984525813","https://openalex.org/W1993912146","https://openalex.org/W1997933955","https://openalex.org/W2008503861","https://openalex.org/W2065663378","https://openalex.org/W2077677671","https://openalex.org/W2097241863","https://openalex.org/W2112738128","https://openalex.org/W2114409719","https://openalex.org/W2116135393","https://openalex.org/W2125225176","https://openalex.org/W2125775320","https://openalex.org/W2126194848","https://openalex.org/W2133356318","https://openalex.org/W2135961964","https://openalex.org/W2139445852","https://openalex.org/W2141296717","https://openalex.org/W2144475703","https://openalex.org/W2153207204","https://openalex.org/W2173213060","https://openalex.org/W2247317079","https://openalex.org/W2337280815","https://openalex.org/W2345003201","https://openalex.org/W2436533802","https://openalex.org/W2535805784","https://openalex.org/W2547992514","https://openalex.org/W2548613432","https://openalex.org/W2566456643","https://openalex.org/W2590195079","https://openalex.org/W2751600782","https://openalex.org/W2752345956","https://openalex.org/W2762073793","https://openalex.org/W2794526631","https://openalex.org/W2798578159","https://openalex.org/W2798903611","https://openalex.org/W2799180173","https://openalex.org/W2896241044","https://openalex.org/W2898549067","https://openalex.org/W2901045356","https://openalex.org/W2912802084","https://openalex.org/W2950027563","https://openalex.org/W2951096868","https://openalex.org/W2965977697","https://openalex.org/W3028871849","https://openalex.org/W3030151998","https://openalex.org/W3139032409","https://openalex.org/W4211160169","https://openalex.org/W6638828565"],"related_works":["https://openalex.org/W1975949872","https://openalex.org/W3159871278","https://openalex.org/W2230552005","https://openalex.org/W2905242764","https://openalex.org/W4391094140","https://openalex.org/W3109411864","https://openalex.org/W3017846737","https://openalex.org/W4379407450","https://openalex.org/W3191926225","https://openalex.org/W3042122676"],"abstract_inverted_index":null,"counts_by_year":[{"year":2025,"cited_by_count":6},{"year":2024,"cited_by_count":10},{"year":2023,"cited_by_count":8},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":3}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}