{"id":"https://openalex.org/W2086708463","doi":"https://doi.org/10.1145/1869790.1869879","title":"Automatic construction and multi-level visualization of semantic trajectories","display_name":"Automatic construction and multi-level visualization of semantic trajectories","publication_year":2010,"publication_date":"2010-11-02","ids":{"openalex":"https://openalex.org/W2086708463","doi":"https://doi.org/10.1145/1869790.1869879","mag":"2086708463"},"language":"en","primary_location":{"id":"doi:10.1145/1869790.1869879","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1869790.1869879","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 18th SIGSPATIAL International Conference on Advances in Geographic Information Systems","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://infoscience.epfl.ch/record/154141","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5073680671","display_name":"Zhixian Yan","orcid":null},"institutions":[{"id":"https://openalex.org/I174424907","display_name":"Laboratoire d'Informatique Fondamentale de Lille","ror":"https://ror.org/05rhg0h08","country_code":"FR","type":"facility","lineage":["https://openalex.org/I174424907"]},{"id":"https://openalex.org/I5124864","display_name":"\u00c9cole Polytechnique F\u00e9d\u00e9rale de Lausanne","ror":"https://ror.org/02s376052","country_code":"CH","type":"education","lineage":["https://openalex.org/I2799323385","https://openalex.org/I5124864"]}],"countries":["CH","FR"],"is_corresponding":false,"raw_author_name":"Zhixian Yan","raw_affiliation_strings":["EPFL, Switzerland","EPFL, SWITZERLAND"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"EPFL, Switzerland","institution_ids":["https://openalex.org/I5124864"]},{"raw_affiliation_string":"EPFL, SWITZERLAND","institution_ids":["https://openalex.org/I174424907","https://openalex.org/I5124864"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5079938565","display_name":"Lazar Spremic","orcid":null},"institutions":[{"id":"https://openalex.org/I174424907","display_name":"Laboratoire d'Informatique Fondamentale de Lille","ror":"https://ror.org/05rhg0h08","country_code":"FR","type":"facility","lineage":["https://openalex.org/I174424907"]},{"id":"https://openalex.org/I5124864","display_name":"\u00c9cole Polytechnique F\u00e9d\u00e9rale de Lausanne","ror":"https://ror.org/02s376052","country_code":"CH","type":"education","lineage":["https://openalex.org/I2799323385","https://openalex.org/I5124864"]}],"countries":["CH","FR"],"is_corresponding":false,"raw_author_name":"Lazar Spremic","raw_affiliation_strings":["EPFL, Switzerland","EPFL, SWITZERLAND"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"EPFL, Switzerland","institution_ids":["https://openalex.org/I5124864"]},{"raw_affiliation_string":"EPFL, SWITZERLAND","institution_ids":["https://openalex.org/I174424907","https://openalex.org/I5124864"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007887893","display_name":"Dipanjan Chakraborty","orcid":"https://orcid.org/0000-0001-6202-2342"},"institutions":[{"id":"https://openalex.org/I4210103279","display_name":"IBM Research - India","ror":"https://ror.org/014wt7r80","country_code":"IN","type":"facility","lineage":["https://openalex.org/I1341412227","https://openalex.org/I4210103279","https://openalex.org/I4210114115"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Dipanjan Chakraborty","raw_affiliation_strings":["IBM Research, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"IBM Research, India","institution_ids":["https://openalex.org/I4210103279"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087380340","display_name":"Christine Parent","orcid":"https://orcid.org/0000-0002-4378-6715"},"institutions":[{"id":"https://openalex.org/I97565354","display_name":"University of Lausanne","ror":"https://ror.org/019whta54","country_code":"CH","type":"education","lineage":["https://openalex.org/I97565354"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Christine Parent","raw_affiliation_strings":["University of Lausanne"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Lausanne","institution_ids":["https://openalex.org/I97565354"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5105789548","display_name":"Stefano Spaccapietra","orcid":null},"institutions":[{"id":"https://openalex.org/I174424907","display_name":"Laboratoire d'Informatique Fondamentale de Lille","ror":"https://ror.org/05rhg0h08","country_code":"FR","type":"facility","lineage":["https://openalex.org/I174424907"]},{"id":"https://openalex.org/I5124864","display_name":"\u00c9cole Polytechnique F\u00e9d\u00e9rale de Lausanne","ror":"https://ror.org/02s376052","country_code":"CH","type":"education","lineage":["https://openalex.org/I2799323385","https://openalex.org/I5124864"]}],"countries":["CH","FR"],"is_corresponding":false,"raw_author_name":"Stefano Spaccapietra","raw_affiliation_strings":["EPFL, Switzerland","EPFL, SWITZERLAND"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"EPFL, Switzerland","institution_ids":["https://openalex.org/I5124864"]},{"raw_affiliation_string":"EPFL, SWITZERLAND","institution_ids":["https://openalex.org/I174424907","https://openalex.org/I5124864"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5001443156","display_name":"Karl Aberer","orcid":"https://orcid.org/0000-0003-3005-7342"},"institutions":[{"id":"https://openalex.org/I174424907","display_name":"Laboratoire d'Informatique Fondamentale de Lille","ror":"https://ror.org/05rhg0h08","country_code":"FR","type":"facility","lineage":["https://openalex.org/I174424907"]},{"id":"https://openalex.org/I5124864","display_name":"\u00c9cole Polytechnique F\u00e9d\u00e9rale de Lausanne","ror":"https://ror.org/02s376052","country_code":"CH","type":"education","lineage":["https://openalex.org/I2799323385","https://openalex.org/I5124864"]}],"countries":["CH","FR"],"is_corresponding":false,"raw_author_name":"Karl Aberer","raw_affiliation_strings":["EPFL, Switzerland","EPFL, SWITZERLAND"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"EPFL, Switzerland","institution_ids":["https://openalex.org/I5124864"]},{"raw_affiliation_string":"EPFL, SWITZERLAND","institution_ids":["https://openalex.org/I174424907","https://openalex.org/I5124864"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.6004,"has_fulltext":false,"cited_by_count":16,"citation_normalized_percentile":{"value":0.84082373,"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":"524","last_page":"525"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11106","display_name":"Data Management and Algorithms","score":0.9997000098228455,"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":0.9997000098228455,"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/T11980","display_name":"Human Mobility and Location-Based Analysis","score":0.9915000200271606,"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"}},{"id":"https://openalex.org/T10757","display_name":"Geographic Information Systems Studies","score":0.9878000020980835,"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":0.821448028087616},{"id":"https://openalex.org/keywords/visualization","display_name":"Visualization","score":0.7343867421150208},{"id":"https://openalex.org/keywords/trajectory","display_name":"Trajectory","score":0.7105684280395508},{"id":"https://openalex.org/keywords/trace","display_name":"TRACE (psycholinguistics)","score":0.6502009630203247},{"id":"https://openalex.org/keywords/abstraction","display_name":"Abstraction","score":0.5781334638595581},{"id":"https://openalex.org/keywords/global-positioning-system","display_name":"Global Positioning System","score":0.5693480968475342},{"id":"https://openalex.org/keywords/representation","display_name":"Representation (politics)","score":0.556825578212738},{"id":"https://openalex.org/keywords/raw-data","display_name":"Raw data","score":0.4790405035018921},{"id":"https://openalex.org/keywords/data-visualization","display_name":"Data visualization","score":0.46786952018737793},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.45406386256217957},{"id":"https://openalex.org/keywords/exploit","display_name":"Exploit","score":0.42901700735092163},{"id":"https://openalex.org/keywords/interface","display_name":"Interface (matter)","score":0.41592320799827576},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.35419702529907227},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.13724514842033386}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.821448028087616},{"id":"https://openalex.org/C36464697","wikidata":"https://www.wikidata.org/wiki/Q451553","display_name":"Visualization","level":2,"score":0.7343867421150208},{"id":"https://openalex.org/C13662910","wikidata":"https://www.wikidata.org/wiki/Q193139","display_name":"Trajectory","level":2,"score":0.7105684280395508},{"id":"https://openalex.org/C75291252","wikidata":"https://www.wikidata.org/wiki/Q1315756","display_name":"TRACE (psycholinguistics)","level":2,"score":0.6502009630203247},{"id":"https://openalex.org/C124304363","wikidata":"https://www.wikidata.org/wiki/Q673661","display_name":"Abstraction","level":2,"score":0.5781334638595581},{"id":"https://openalex.org/C60229501","wikidata":"https://www.wikidata.org/wiki/Q18822","display_name":"Global Positioning System","level":2,"score":0.5693480968475342},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.556825578212738},{"id":"https://openalex.org/C132964779","wikidata":"https://www.wikidata.org/wiki/Q2110223","display_name":"Raw data","level":2,"score":0.4790405035018921},{"id":"https://openalex.org/C172367668","wikidata":"https://www.wikidata.org/wiki/Q6504956","display_name":"Data visualization","level":3,"score":0.46786952018737793},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.45406386256217957},{"id":"https://openalex.org/C165696696","wikidata":"https://www.wikidata.org/wiki/Q11287","display_name":"Exploit","level":2,"score":0.42901700735092163},{"id":"https://openalex.org/C113843644","wikidata":"https://www.wikidata.org/wiki/Q901882","display_name":"Interface (matter)","level":4,"score":0.41592320799827576},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.35419702529907227},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.13724514842033386},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C157915830","wikidata":"https://www.wikidata.org/wiki/Q2928001","display_name":"Bubble","level":2,"score":0.0},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.0},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","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/C94625758","wikidata":"https://www.wikidata.org/wiki/Q7163","display_name":"Politics","level":2,"score":0.0},{"id":"https://openalex.org/C129307140","wikidata":"https://www.wikidata.org/wiki/Q6795880","display_name":"Maximum bubble pressure method","level":3,"score":0.0},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/1869790.1869879","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1869790.1869879","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 18th SIGSPATIAL International Conference on Advances in Geographic Information Systems","raw_type":"proceedings-article"},{"id":"pmh:oai:infoscience.epfl.ch:154141","is_oa":true,"landing_page_url":"http://infoscience.epfl.ch/record/154141","pdf_url":null,"source":{"id":"https://openalex.org/S4306400487","display_name":"Infoscience (Ecole Polytechnique F\u00e9d\u00e9rale de Lausanne)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Text"}],"best_oa_location":{"id":"pmh:oai:infoscience.epfl.ch:154141","is_oa":true,"landing_page_url":"http://infoscience.epfl.ch/record/154141","pdf_url":null,"source":{"id":"https://openalex.org/S4306400487","display_name":"Infoscience (Ecole Polytechnique F\u00e9d\u00e9rale de Lausanne)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Text"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":5,"referenced_works":["https://openalex.org/W1626398438","https://openalex.org/W1985447527","https://openalex.org/W2086961842","https://openalex.org/W2099743760","https://openalex.org/W2110320970"],"related_works":["https://openalex.org/W17155033","https://openalex.org/W3207760230","https://openalex.org/W1496222301","https://openalex.org/W1590307681","https://openalex.org/W2536018345","https://openalex.org/W4312814274","https://openalex.org/W4285370786","https://openalex.org/W2296488620","https://openalex.org/W2358353312","https://openalex.org/W126139558"],"abstract_inverted_index":{"With":[0],"the":[1,16,64,126,135],"prevalence":[2],"of":[3,9,18,23,29,59,70,109,118,137],"GPS-embedded":[4],"mobile":[5],"devices,":[6],"enormous":[7],"amounts":[8],"mobility":[10],"data":[11,44,96,119],"are":[12,28],"being":[13],"collected":[14],"in":[15],"form":[17],"trajectory":[19,43],"-":[20,32,72],"a":[21,53,73],"stream":[22],"(x,y,t)":[24],"points.":[25],"Such":[26],"trajectories":[27,124,133],"heterogeneous":[30,110],"entities":[31],"vehicles,":[33],"people,":[34],"animals,":[35],"parcels":[36],"etc.":[37],"Most":[38],"applications":[39,50],"primarily":[40],"analyze":[41],"raw":[42,123],"and":[45,67,98,104],"extract":[46],"geometric":[47],"patterns.":[48],"Real-life":[49],"however,":[51],"need":[52],"far":[54],"more":[55],"comprehensive,":[56],"semantic":[57,132],"representation":[58],"trajectories.":[60,89,111],"This":[61],"paper":[62],"demonstrates":[63],"automatic":[65],"construction":[66,91],"visualization":[68,113],"capabilities":[69],"SeMiTri":[71],"system":[74],"we":[75],"built":[76],"that":[77],"exploits":[78],"3rd":[79],"party":[80],"information":[81],"sources":[82],"containing":[83],"geographic":[84],"information,":[85],"to":[86,101,130],"semantically":[87],"enrich":[88],"The":[90,112],"stack":[92],"encapsulates":[93],"several":[94],"spatio-temporal":[95],"integration":[97],"mining":[99],"techniques":[100],"automatically":[102],"compute":[103],"annotate":[105],"all":[106],"meaningful":[107],"parts":[108],"interface":[114],"exhibits":[115],"different":[116],"levels":[117],"abstraction,":[120],"from":[121],"low-level":[122],"(i.e.":[125,134],"initial":[127],"GPS":[128],"trace)":[129],"high-level":[131],"sequence":[136],"interesting":[138],"places":[139],"where":[140],"moving":[141],"objects":[142],"have":[143],"passed":[144],"and/or":[145],"stayed).":[146]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2017,"cited_by_count":3},{"year":2015,"cited_by_count":5},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":2}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
