{"id":"https://openalex.org/W2081721999","doi":"https://doi.org/10.1145/2093973.2093989","title":"What you are is when you are","display_name":"What you are is when you are","publication_year":2011,"publication_date":"2011-11-01","ids":{"openalex":"https://openalex.org/W2081721999","doi":"https://doi.org/10.1145/2093973.2093989","mag":"2081721999"},"language":"en","primary_location":{"id":"doi:10.1145/2093973.2093989","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2093973.2093989","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 19th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems","raw_type":"proceedings-article"},"type":"conference-paper","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/A5100682787","display_name":"Mao Ye","orcid":"https://orcid.org/0000-0002-8825-8326"},"institutions":[{"id":"https://openalex.org/I130769515","display_name":"Pennsylvania State University","ror":"https://ror.org/04p491231","country_code":"US","type":"education","lineage":["https://openalex.org/I130769515"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Mao Ye","raw_affiliation_strings":["Pennsylvania State University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Pennsylvania State University","institution_ids":["https://openalex.org/I130769515"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110930512","display_name":"Krzysztof Janowicz","orcid":null},"institutions":[{"id":"https://openalex.org/I154570441","display_name":"University of California, Santa Barbara","ror":"https://ror.org/02t274463","country_code":"US","type":"education","lineage":["https://openalex.org/I154570441"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Krzysztof Janowicz","raw_affiliation_strings":["University of California, Santa, Barbara"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of California, Santa, Barbara","institution_ids":["https://openalex.org/I154570441"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5042670143","display_name":"Christoph M\u00fclligann","orcid":null},"institutions":[{"id":"https://openalex.org/I22465464","display_name":"University of M\u00fcnster","ror":"https://ror.org/00pd74e08","country_code":"DE","type":"education","lineage":["https://openalex.org/I22465464"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Christoph M\u00fclligann","raw_affiliation_strings":["University of M\u00fcnster, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of M\u00fcnster, Germany","institution_ids":["https://openalex.org/I22465464"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5091716232","display_name":"Wang-Chien Lee","orcid":"https://orcid.org/0000-0002-8949-489X"},"institutions":[{"id":"https://openalex.org/I130769515","display_name":"Pennsylvania State University","ror":"https://ror.org/04p491231","country_code":"US","type":"education","lineage":["https://openalex.org/I130769515"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Wang-Chien Lee","raw_affiliation_strings":["Pennsylvania State University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Pennsylvania State University","institution_ids":["https://openalex.org/I130769515"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":110,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"102","last_page":"111"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10757","display_name":"Geographic Information Systems Studies","score":0.9994000196456909,"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"}},"topics":[{"id":"https://openalex.org/T10757","display_name":"Geographic Information Systems Studies","score":0.9994000196456909,"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"}},{"id":"https://openalex.org/T11106","display_name":"Data Management and Algorithms","score":0.9983000159263611,"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":0.9973999857902527,"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/volunteered-geographic-information","display_name":"Volunteered geographic information","score":0.8609442114830017},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7477550506591797},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.5884556770324707},{"id":"https://openalex.org/keywords/schema","display_name":"Schema (genetic algorithms)","score":0.5395580530166626},{"id":"https://openalex.org/keywords/point-of-interest","display_name":"Point of interest","score":0.528535783290863},{"id":"https://openalex.org/keywords/feature","display_name":"Feature (linguistics)","score":0.46524131298065186},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.4090326726436615},{"id":"https://openalex.org/keywords/data-science","display_name":"Data science","score":0.39551854133605957},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.32410919666290283},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.2387775480747223}],"concepts":[{"id":"https://openalex.org/C57380593","wikidata":"https://www.wikidata.org/wiki/Q933625","display_name":"Volunteered geographic information","level":2,"score":0.8609442114830017},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7477550506591797},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.5884556770324707},{"id":"https://openalex.org/C52146309","wikidata":"https://www.wikidata.org/wiki/Q7431116","display_name":"Schema (genetic algorithms)","level":2,"score":0.5395580530166626},{"id":"https://openalex.org/C150140777","wikidata":"https://www.wikidata.org/wiki/Q960648","display_name":"Point of interest","level":2,"score":0.528535783290863},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.46524131298065186},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.4090326726436615},{"id":"https://openalex.org/C2522767166","wikidata":"https://www.wikidata.org/wiki/Q2374463","display_name":"Data science","level":1,"score":0.39551854133605957},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.32410919666290283},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.2387775480747223},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/2093973.2093989","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2093973.2093989","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 19th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":42,"referenced_works":["https://openalex.org/W7143572","https://openalex.org/W84959656","https://openalex.org/W1532946010","https://openalex.org/W1563699022","https://openalex.org/W1568922413","https://openalex.org/W1580568969","https://openalex.org/W1580639819","https://openalex.org/W1599541430","https://openalex.org/W1802453754","https://openalex.org/W1846997392","https://openalex.org/W1900895789","https://openalex.org/W1945144656","https://openalex.org/W1970768670","https://openalex.org/W1977170904","https://openalex.org/W1982397092","https://openalex.org/W1988127235","https://openalex.org/W1995103535","https://openalex.org/W2001344462","https://openalex.org/W2009420325","https://openalex.org/W2018277822","https://openalex.org/W2031573294","https://openalex.org/W2032101051","https://openalex.org/W2045079727","https://openalex.org/W2050497243","https://openalex.org/W2051802549","https://openalex.org/W2054610764","https://openalex.org/W2059512573","https://openalex.org/W2087692915","https://openalex.org/W2126895033","https://openalex.org/W2127246734","https://openalex.org/W2130755909","https://openalex.org/W2151378814","https://openalex.org/W2168346693","https://openalex.org/W2170528992","https://openalex.org/W2171775221","https://openalex.org/W2187835492","https://openalex.org/W2294749418","https://openalex.org/W2549412929","https://openalex.org/W3121542555","https://openalex.org/W6631830930","https://openalex.org/W6634616096","https://openalex.org/W6663026491"],"related_works":["https://openalex.org/W2748952813","https://openalex.org/W2357241418","https://openalex.org/W2086064646","https://openalex.org/W2119135658","https://openalex.org/W2115485936","https://openalex.org/W1971919964","https://openalex.org/W3022131925","https://openalex.org/W2994777392","https://openalex.org/W2349174110","https://openalex.org/W1597238586"],"abstract_inverted_index":{"Feature":[0],"types":[1,14,39,69],"play":[2],"a":[3,47,75],"crucial":[4],"role":[5],"in":[6,83],"understanding":[7],"and":[8,18,23,81,94,110],"analyzing":[9],"geographic":[10,25],"information.":[11],"Usually,":[12],"these":[13],"are":[15,70],"defined,":[16],"standardized,":[17],"controlled":[19],"by":[20,74,108],"domain":[21],"experts":[22],"cover":[24],"features":[26],"on":[27],"the":[28,141],"mesoscale":[29],"level,":[30],"e.g.,":[31,163],"populated":[32],"places,":[33,156],"forests,":[34],"or":[35,114],"lakes.":[36],"While":[37,148],"feature":[38],"also":[40],"underlie":[41],"most":[42],"Location-Based":[43],"Services":[44],"(LBS),":[45],"assigning":[46],"consistent":[48],"typing":[49],"schema":[50],"for":[51],"Points":[52,145],"Of":[53,146],"Interest":[54],"(POI)":[55],"across":[56],"different":[57,79,152],"data":[58,92,133],"sets":[59],"is":[60,88],"challenging.":[61],"In":[62],"case":[63],"of":[64,144],"Volunteered":[65],"Geographic":[66],"Information":[67],"(VGI),":[68],"assigned":[71,107],"as":[72,97],"tags":[73,104,122,154],"heterogeneous":[76],"community":[77],"with":[78],"backgrounds":[80],"applications":[82],"mind.":[84],"Consequently,":[85],"VGI":[86],"research":[87],"shifting":[89],"away":[90],"from":[91,130,135],"completeness":[93],"positional":[95],"accuracy":[96],"quality":[98],"measures":[99],"towards":[100],"attribute":[101],"accuracy.":[102],"As":[103],"can":[105],"be":[106],"everybody":[109],"have":[111],"no":[112],"formal":[113],"stable":[115],"definition,":[116],"we":[117,157],"propose":[118],"to":[119,139,155],"study":[120],"category":[121,153],"via":[123],"indirect":[124],"observations.":[125],"We":[126],"extract":[127],"user":[128],"check-ins":[129],"massive":[131],"real-world":[132],"crawled":[134],"Location-based":[136],"Social":[137],"Networks":[138],"understand":[140],"temporal":[142,161],"dimension":[143],"Interest.":[147],"users":[149],"may":[150],"assign":[151],"argue":[158],"that":[159],"their":[160],"characteristics,":[162],"opening":[164],"times,":[165],"will":[166],"show":[167],"distinguishable":[168],"patterns.":[169]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":7},{"year":2019,"cited_by_count":7},{"year":2018,"cited_by_count":16},{"year":2017,"cited_by_count":14},{"year":2016,"cited_by_count":12},{"year":2015,"cited_by_count":18},{"year":2014,"cited_by_count":11},{"year":2013,"cited_by_count":14},{"year":2012,"cited_by_count":4}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}