{"id":"https://openalex.org/W3001338242","doi":"https://doi.org/10.1145/3372454.3372468","title":"Urban Function Identification Based on POI and Taxi Trajectory Data","display_name":"Urban Function Identification Based on POI and Taxi Trajectory Data","publication_year":2019,"publication_date":"2019-11-20","ids":{"openalex":"https://openalex.org/W3001338242","doi":"https://doi.org/10.1145/3372454.3372468","mag":"3001338242"},"language":"en","primary_location":{"id":"doi:10.1145/3372454.3372468","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3372454.3372468","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2019 3rd International Conference on Big Data Research","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/A5078515232","display_name":"Xiaohui Mou","orcid":null},"institutions":[{"id":"https://openalex.org/I44445938","display_name":"Shandong Jianzhu University","ror":"https://ror.org/01gbfax37","country_code":"CN","type":"education","lineage":["https://openalex.org/I44445938"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Xiaohui Mou","raw_affiliation_strings":["College of Surveying and Geo-Informatics, Shandong Jianzhu University"],"affiliations":[{"raw_affiliation_string":"College of Surveying and Geo-Informatics, Shandong Jianzhu University","institution_ids":["https://openalex.org/I44445938"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066699855","display_name":"Fei Cai","orcid":"https://orcid.org/0000-0002-5709-1682"},"institutions":[{"id":"https://openalex.org/I44445938","display_name":"Shandong Jianzhu University","ror":"https://ror.org/01gbfax37","country_code":"CN","type":"education","lineage":["https://openalex.org/I44445938"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Fei Cai","raw_affiliation_strings":["College of Surveying and Geo-Informatics, Shandong Jianzhu University"],"affiliations":[{"raw_affiliation_string":"College of Surveying and Geo-Informatics, Shandong Jianzhu University","institution_ids":["https://openalex.org/I44445938"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100327451","display_name":"Xin Zhang","orcid":"https://orcid.org/0000-0002-4133-6964"},"institutions":[{"id":"https://openalex.org/I44445938","display_name":"Shandong Jianzhu University","ror":"https://ror.org/01gbfax37","country_code":"CN","type":"education","lineage":["https://openalex.org/I44445938"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xin Zhang","raw_affiliation_strings":["College of Surveying and Geo-Informatics, Shandong Jianzhu University"],"affiliations":[{"raw_affiliation_string":"College of Surveying and Geo-Informatics, Shandong Jianzhu University","institution_ids":["https://openalex.org/I44445938"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100332951","display_name":"Jie Chen","orcid":"https://orcid.org/0000-0002-6937-8090"},"institutions":[{"id":"https://openalex.org/I44445938","display_name":"Shandong Jianzhu University","ror":"https://ror.org/01gbfax37","country_code":"CN","type":"education","lineage":["https://openalex.org/I44445938"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jie Chen","raw_affiliation_strings":["College of Surveying and Geo-Informatics, Shandong Jianzhu University"],"affiliations":[{"raw_affiliation_string":"College of Surveying and Geo-Informatics, Shandong Jianzhu University","institution_ids":["https://openalex.org/I44445938"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5083337110","display_name":"Rongrong Zhu","orcid":"https://orcid.org/0000-0002-3955-5965"},"institutions":[{"id":"https://openalex.org/I44445938","display_name":"Shandong Jianzhu University","ror":"https://ror.org/01gbfax37","country_code":"CN","type":"education","lineage":["https://openalex.org/I44445938"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Rongrong Zhu","raw_affiliation_strings":["College of Surveying and Geo-Informatics, Shandong Jianzhu University"],"affiliations":[{"raw_affiliation_string":"College of Surveying and Geo-Informatics, Shandong Jianzhu University","institution_ids":["https://openalex.org/I44445938"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5078515232"],"corresponding_institution_ids":["https://openalex.org/I44445938"],"apc_list":null,"apc_paid":null,"fwci":1.8314,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.86448093,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"152","last_page":"156"},"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":0.9914000034332275,"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":0.9914000034332275,"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/T10698","display_name":"Transportation Planning and Optimization","score":0.9190999865531921,"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/T13729","display_name":"Korean Urban and Social Studies","score":0.9143000245094299,"subfield":{"id":"https://openalex.org/subfields/2308","display_name":"Management, Monitoring, Policy and Law"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/trajectory","display_name":"Trajectory","score":0.7609426975250244},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6860724687576294},{"id":"https://openalex.org/keywords/function","display_name":"Function (biology)","score":0.6127188801765442},{"id":"https://openalex.org/keywords/identification","display_name":"Identification (biology)","score":0.5770164132118225},{"id":"https://openalex.org/keywords/kernel","display_name":"Kernel (algebra)","score":0.5581893920898438},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.5515624284744263},{"id":"https://openalex.org/keywords/decomposition","display_name":"Decomposition","score":0.49480050802230835},{"id":"https://openalex.org/keywords/sensitivity","display_name":"Sensitivity (control systems)","score":0.45019885897636414},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4306921064853668},{"id":"https://openalex.org/keywords/function-model","display_name":"Function model","score":0.4203943908214569},{"id":"https://openalex.org/keywords/data-modeling","display_name":"Data modeling","score":0.42036837339401245},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.3896447420120239},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1643897294998169},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1470898985862732}],"concepts":[{"id":"https://openalex.org/C13662910","wikidata":"https://www.wikidata.org/wiki/Q193139","display_name":"Trajectory","level":2,"score":0.7609426975250244},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6860724687576294},{"id":"https://openalex.org/C14036430","wikidata":"https://www.wikidata.org/wiki/Q3736076","display_name":"Function (biology)","level":2,"score":0.6127188801765442},{"id":"https://openalex.org/C116834253","wikidata":"https://www.wikidata.org/wiki/Q2039217","display_name":"Identification (biology)","level":2,"score":0.5770164132118225},{"id":"https://openalex.org/C74193536","wikidata":"https://www.wikidata.org/wiki/Q574844","display_name":"Kernel (algebra)","level":2,"score":0.5581893920898438},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.5515624284744263},{"id":"https://openalex.org/C124681953","wikidata":"https://www.wikidata.org/wiki/Q339062","display_name":"Decomposition","level":2,"score":0.49480050802230835},{"id":"https://openalex.org/C21200559","wikidata":"https://www.wikidata.org/wiki/Q7451068","display_name":"Sensitivity (control systems)","level":2,"score":0.45019885897636414},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4306921064853668},{"id":"https://openalex.org/C162798781","wikidata":"https://www.wikidata.org/wiki/Q5508775","display_name":"Function model","level":5,"score":0.4203943908214569},{"id":"https://openalex.org/C67186912","wikidata":"https://www.wikidata.org/wiki/Q367664","display_name":"Data modeling","level":2,"score":0.42036837339401245},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.3896447420120239},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1643897294998169},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1470898985862732},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.0},{"id":"https://openalex.org/C85345410","wikidata":"https://www.wikidata.org/wiki/Q851587","display_name":"Business process","level":3,"score":0.0},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","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/C2778648169","wikidata":"https://www.wikidata.org/wiki/Q967768","display_name":"Compatibility (geochemistry)","level":2,"score":0.0},{"id":"https://openalex.org/C78458016","wikidata":"https://www.wikidata.org/wiki/Q840400","display_name":"Evolutionary biology","level":1,"score":0.0},{"id":"https://openalex.org/C42360764","wikidata":"https://www.wikidata.org/wiki/Q83588","display_name":"Chemical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C207505557","wikidata":"https://www.wikidata.org/wiki/Q4374012","display_name":"Business process modeling","level":4,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.0},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3372454.3372468","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3372454.3372468","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2019 3rd International Conference on Big Data Research","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Sustainable cities and communities","id":"https://metadata.un.org/sdg/11","score":0.8500000238418579}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":5,"referenced_works":["https://openalex.org/W1487561966","https://openalex.org/W2042687444","https://openalex.org/W2070912321","https://openalex.org/W2160754518","https://openalex.org/W4239504437"],"related_works":["https://openalex.org/W1941703695","https://openalex.org/W3131574667","https://openalex.org/W4323768008","https://openalex.org/W4248382324","https://openalex.org/W4360995134","https://openalex.org/W2039473718","https://openalex.org/W2387529410","https://openalex.org/W2405042200","https://openalex.org/W2108012191","https://openalex.org/W4385335406"],"abstract_inverted_index":{"In":[0,59],"order":[1],"to":[2,55],"effectively":[3],"implement":[4],"urban":[5,9,36,57,66],"planning":[6],"decision-making":[7],"behavior,":[8],"function":[10],"analysis":[11],"is":[12,81],"necessary.":[13],"Based":[14],"on":[15],"POI":[16],"data":[17,31],"which":[18,32,101],"can":[19,33],"reflect":[20,34],"the":[21,35,60,65,73,76,79,84,88,96,103],"static":[22],"characteristics":[23],"of":[24,62,75,87,95,105],"regional":[25],"functions":[26],"and":[27,51,72],"taxi":[28],"spatio-temporal":[29],"trajectory":[30],"functional":[37,67],"activity,":[38],"this":[39,53],"study":[40],"proposes":[41],"a":[42],"non-negative":[43],"matrix":[44],"decomposition":[45],"(KNMF)":[46],"model":[47,54,80],"with":[48,93],"kernel":[49],"function,":[50],"uses":[52],"identify":[56],"functions.":[58],"framework":[61],"KNMF":[63],"algorithm,":[64],"areas":[68],"are":[69,91],"identified":[70],"quantitatively,":[71],"sensitivity":[74],"parameters":[77],"in":[78],"analyzed.":[82],"Finally,":[83],"recognition":[85],"results":[86],"proposed":[89],"method":[90],"compared":[92],"those":[94],"DMR":[97],"topic":[98],"discovery":[99],"model,":[100],"proves":[102],"effectiveness":[104],"our":[106],"algorithm.":[107]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}