{"id":"https://openalex.org/W1998451808","doi":"https://doi.org/10.1145/2505821.2505830","title":"Inferring human activities from GPS tracks","display_name":"Inferring human activities from GPS tracks","publication_year":2013,"publication_date":"2013-08-11","ids":{"openalex":"https://openalex.org/W1998451808","doi":"https://doi.org/10.1145/2505821.2505830","mag":"1998451808"},"language":"en","primary_location":{"id":"doi:10.1145/2505821.2505830","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2505821.2505830","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2nd ACM SIGKDD International Workshop on Urban Computing","raw_type":"proceedings-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/A5071808346","display_name":"Barbara Furletti","orcid":null},"institutions":[{"id":"https://openalex.org/I122991210","display_name":"Istituto di Scienza e Tecnologie dell'Informazione \"Alessandro Faedo\"","ror":"https://ror.org/05kacka20","country_code":"IT","type":"facility","lineage":["https://openalex.org/I122991210","https://openalex.org/I4210155236"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Barbara Furletti","raw_affiliation_strings":["KDDLAB - ISTI CNR, Pisa, Italy","KddLab ISTI-CNR, Pisa, Italy#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"KDDLAB - ISTI CNR, Pisa, Italy","institution_ids":["https://openalex.org/I122991210"]},{"raw_affiliation_string":"KddLab ISTI-CNR, Pisa, Italy#TAB#","institution_ids":["https://openalex.org/I122991210"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059674609","display_name":"Paolo Cintia","orcid":"https://orcid.org/0000-0002-8085-9338"},"institutions":[{"id":"https://openalex.org/I122991210","display_name":"Istituto di Scienza e Tecnologie dell'Informazione \"Alessandro Faedo\"","ror":"https://ror.org/05kacka20","country_code":"IT","type":"facility","lineage":["https://openalex.org/I122991210","https://openalex.org/I4210155236"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Paolo Cintia","raw_affiliation_strings":["KDDLAB - ISTI CNR, Pisa, Italy","KddLab ISTI-CNR, Pisa, Italy#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"KDDLAB - ISTI CNR, Pisa, Italy","institution_ids":["https://openalex.org/I122991210"]},{"raw_affiliation_string":"KddLab ISTI-CNR, Pisa, Italy#TAB#","institution_ids":["https://openalex.org/I122991210"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5054358438","display_name":"Chiara Renso","orcid":"https://orcid.org/0000-0002-1763-2966"},"institutions":[{"id":"https://openalex.org/I122991210","display_name":"Istituto di Scienza e Tecnologie dell'Informazione \"Alessandro Faedo\"","ror":"https://ror.org/05kacka20","country_code":"IT","type":"facility","lineage":["https://openalex.org/I122991210","https://openalex.org/I4210155236"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Chiara Renso","raw_affiliation_strings":["KDDLAB - ISTI CNR, Pisa, Italy","KddLab ISTI-CNR, Pisa, Italy#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"KDDLAB - ISTI CNR, Pisa, Italy","institution_ids":["https://openalex.org/I122991210"]},{"raw_affiliation_string":"KddLab ISTI-CNR, Pisa, Italy#TAB#","institution_ids":["https://openalex.org/I122991210"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5010879670","display_name":"Laura Spinsanti","orcid":null},"institutions":[{"id":"https://openalex.org/I4210118689","display_name":"Joint Research Centre","ror":"https://ror.org/02qezmz13","country_code":"IT","type":"government","lineage":["https://openalex.org/I1320481043","https://openalex.org/I2800387288","https://openalex.org/I4210118689","https://openalex.org/I4210161702"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Laura Spinsanti","raw_affiliation_strings":["JRC, Ispra, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"JRC, Ispra, Italy","institution_ids":["https://openalex.org/I4210118689"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":16.5012,"has_fulltext":false,"cited_by_count":119,"citation_normalized_percentile":{"value":0.98753998,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":97,"max":100},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"8"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11980","display_name":"Human Mobility and Location-Based Analysis","score":0.9998999834060669,"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"}},"topics":[{"id":"https://openalex.org/T11980","display_name":"Human Mobility and Location-Based Analysis","score":0.9998999834060669,"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/T11106","display_name":"Data Management and Algorithms","score":0.9908000230789185,"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/T10757","display_name":"Geographic Information Systems Studies","score":0.9873999953269958,"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":0.8239110708236694},{"id":"https://openalex.org/keywords/global-positioning-system","display_name":"Global Positioning System","score":0.7554464340209961},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.5732381939888},{"id":"https://openalex.org/keywords/raw-data","display_name":"Raw data","score":0.5557274222373962},{"id":"https://openalex.org/keywords/point","display_name":"Point (geometry)","score":0.5544756650924683},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.48545342683792114},{"id":"https://openalex.org/keywords/ranging","display_name":"Ranging","score":0.4289020597934723},{"id":"https://openalex.org/keywords/data-science","display_name":"Data science","score":0.36202794313430786},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.3609827756881714},{"id":"https://openalex.org/keywords/human\u2013computer-interaction","display_name":"Human\u2013computer interaction","score":0.3451027274131775}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8239110708236694},{"id":"https://openalex.org/C60229501","wikidata":"https://www.wikidata.org/wiki/Q18822","display_name":"Global Positioning System","level":2,"score":0.7554464340209961},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.5732381939888},{"id":"https://openalex.org/C132964779","wikidata":"https://www.wikidata.org/wiki/Q2110223","display_name":"Raw data","level":2,"score":0.5557274222373962},{"id":"https://openalex.org/C28719098","wikidata":"https://www.wikidata.org/wiki/Q44946","display_name":"Point (geometry)","level":2,"score":0.5544756650924683},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.48545342683792114},{"id":"https://openalex.org/C115051666","wikidata":"https://www.wikidata.org/wiki/Q6522493","display_name":"Ranging","level":2,"score":0.4289020597934723},{"id":"https://openalex.org/C2522767166","wikidata":"https://www.wikidata.org/wiki/Q2374463","display_name":"Data science","level":1,"score":0.36202794313430786},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.3609827756881714},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.3451027274131775},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"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/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1145/2505821.2505830","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2505821.2505830","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2nd ACM SIGKDD International Workshop on Urban Computing","raw_type":"proceedings-article"},{"id":"pmh:oai:arpi.unipi.it:11568/501679","is_oa":false,"landing_page_url":"http://hdl.handle.net/11568/501679","pdf_url":null,"source":{"id":"https://openalex.org/S4377196265","display_name":"CINECA IRIS Institutial research information system (University of Pisa)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I108290504","host_organization_name":"University of Pisa","host_organization_lineage":["https://openalex.org/I108290504"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/conferenceObject"},{"id":"pmh:oai:dnet:people______::9d472353761627d3f641f0c1d5e59b21","is_oa":false,"landing_page_url":"https://openportal.isti.cnr.it/doc?id=people______::9d472353761627d3f641f0c1d5e59b21","pdf_url":null,"source":{"id":"https://openalex.org/S7407055261","display_name":"ISTI Open Portal","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":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"UrbComp'13 - 2nd ACM SIGKDD International Workshop on Urban Computing, pp. 5\u20138, Chicago, USA, 11-14 August 2013","raw_type":"Conference article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/16","display_name":"Peace, Justice and strong institutions","score":0.5899999737739563}],"awards":[],"funders":[{"id":"https://openalex.org/F4320327336","display_name":"Vlaamse regering","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W81303767","https://openalex.org/W1588204506","https://openalex.org/W1839622556","https://openalex.org/W2004602565","https://openalex.org/W2028031999","https://openalex.org/W2081518548","https://openalex.org/W2086961842","https://openalex.org/W2090702599","https://openalex.org/W2094227382","https://openalex.org/W2106858492","https://openalex.org/W2136317921","https://openalex.org/W2143394441","https://openalex.org/W2146299864","https://openalex.org/W2153207204"],"related_works":["https://openalex.org/W2783354812","https://openalex.org/W4384112194","https://openalex.org/W2103009189","https://openalex.org/W4312958259","https://openalex.org/W4308259661","https://openalex.org/W4390813131","https://openalex.org/W2349383066","https://openalex.org/W4328132048","https://openalex.org/W1969901537","https://openalex.org/W2119768059"],"abstract_inverted_index":{"The":[0],"collection":[1],"of":[2,5,14,20,49,86,103,107,151,179],"huge":[3],"amount":[4,106],"tracking":[6],"data":[7,22,54],"made":[8],"possible":[9],"by":[10,45,78,124,184],"the":[11,18,37,64,70,95,101,121,125,132,138,143,149,152,160,165,172],"widespread":[12],"use":[13],"GPS":[15,46],"devices,":[16,47],"enabled":[17],"analysis":[19],"such":[21],"for":[23,115],"several":[24],"applications":[25],"domains,":[26],"ranging":[27],"from":[28],"traffic":[29],"management":[30],"to":[31,90,136],"advertisement":[32],"and":[33,154,170,193],"social":[34],"studies.":[35],"However,":[36],"raw":[38,118],"positioning":[39],"data,":[40],"as":[41],"it":[42],"is":[43,76],"detected":[44],"lacks":[48],"semantic":[50],"information":[51,62,75],"since":[52],"this":[53,74],"does":[55],"not":[56],"natively":[57],"provide":[58],"any":[59],"additional":[60],"contextual":[61],"like":[63],"places":[65],"that":[66],"people":[67],"visited":[68],"or":[69],"activities":[71,96,122],"performed.":[72,167],"Traditionally,":[73],"collected":[77],"hand":[79],"filled":[80],"questionnaire":[81],"where":[82],"a":[83,155,175],"limited":[84],"number":[85],"users":[87,185],"are":[88,191],"asked":[89],"annotate":[91],"their":[92,187],"tracks":[93],"with":[94,120,186],"they":[97],"have":[98],"done.":[99],"With":[100],"purpose":[102],"getting":[104],"large":[105],"semantically":[108],"rich":[109],"trajectories,":[110,181],"we":[111,130,163],"propose":[112],"an":[113],"algorithm":[114],"automatically":[116],"annotating":[117],"trajectories":[119],"performed":[123],"users.":[126],"To":[127],"do":[128],"this,":[129],"analyse":[131],"stops":[133],"points":[134],"trying":[135],"infer":[137,164],"Point":[139],"Of":[140],"Interest":[141],"(POI)":[142],"user":[144],"has":[145],"visited.":[146],"Based":[147],"on":[148,159],"category":[150],"POI":[153],"probability":[156],"measure":[157],"based":[158],"gravity":[161],"law,":[162],"activity":[166],"We":[168],"experimented":[169],"evaluated":[171],"method":[173],"in":[174],"real":[176],"case":[177],"study":[178],"car":[180],"manually":[182],"annotated":[183],"activities.":[188],"Experimental":[189],"results":[190],"encouraging":[192],"will":[194],"drive":[195],"our":[196],"future":[197],"works.":[198]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":6},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":7},{"year":2022,"cited_by_count":8},{"year":2021,"cited_by_count":13},{"year":2020,"cited_by_count":16},{"year":2019,"cited_by_count":14},{"year":2018,"cited_by_count":11},{"year":2017,"cited_by_count":12},{"year":2016,"cited_by_count":9},{"year":2015,"cited_by_count":7},{"year":2014,"cited_by_count":9}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
