{"id":"https://openalex.org/W1654840742","doi":"https://doi.org/10.1109/tits.2015.2430365","title":"DMAP: Density Map Service in City Environments","display_name":"DMAP: Density Map Service in City Environments","publication_year":2015,"publication_date":"2015-05-25","ids":{"openalex":"https://openalex.org/W1654840742","doi":"https://doi.org/10.1109/tits.2015.2430365","mag":"1654840742"},"language":"en","primary_location":{"id":"doi:10.1109/tits.2015.2430365","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tits.2015.2430365","pdf_url":null,"source":{"id":"https://openalex.org/S144771191","display_name":"IEEE Transactions on Intelligent Transportation Systems","issn_l":"1524-9050","issn":["1524-9050","1558-0016"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Intelligent Transportation Systems","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/A5049483252","display_name":"Pratap Kumar Sahu","orcid":"https://orcid.org/0000-0002-9346-9363"},"institutions":[{"id":"https://openalex.org/I70931966","display_name":"Universit\u00e9 de Montr\u00e9al","ror":"https://ror.org/0161xgx34","country_code":"CA","type":"education","lineage":["https://openalex.org/I70931966"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Pratap Kumar Sahu","raw_affiliation_strings":["Department of Computer Science and Operation Research, University of Montreal, Montreal, QC, Canada","Dept. of Comput. Sci. & Oper. Res., Univ. of Montreal, Montreal, QC, Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Operation Research, University of Montreal, Montreal, QC, Canada","institution_ids":["https://openalex.org/I70931966"]},{"raw_affiliation_string":"Dept. of Comput. Sci. & Oper. Res., Univ. of Montreal, Montreal, QC, Canada","institution_ids":["https://openalex.org/I70931966"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5055329164","display_name":"Abdelhakim Hafid","orcid":"https://orcid.org/0000-0001-8597-7344"},"institutions":[{"id":"https://openalex.org/I70931966","display_name":"Universit\u00e9 de Montr\u00e9al","ror":"https://ror.org/0161xgx34","country_code":"CA","type":"education","lineage":["https://openalex.org/I70931966"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Abdelhakim Hafid","raw_affiliation_strings":["Department of Computer Science and Operation Research, University of Montreal, Montreal, QC, Canada","Dept. of Comput. Sci. & Oper. Res., Univ. of Montreal, Montreal, QC, Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Operation Research, University of Montreal, Montreal, QC, Canada","institution_ids":["https://openalex.org/I70931966"]},{"raw_affiliation_string":"Dept. of Comput. Sci. & Oper. Res., Univ. of Montreal, Montreal, QC, Canada","institution_ids":["https://openalex.org/I70931966"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5011549008","display_name":"Soumaya Cherkaoui","orcid":"https://orcid.org/0000-0001-6140-770X"},"institutions":[{"id":"https://openalex.org/I135117807","display_name":"Universit\u00e9 de Sherbrooke","ror":"https://ror.org/00kybxq39","country_code":"CA","type":"education","lineage":["https://openalex.org/I135117807"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Soumaya Cherkaoui","raw_affiliation_strings":["Department of Electrical and Computer Engineering, University of Sherbrooke, Sherbrooke, JIK 2RI, Canada","Dept. of Electr. & Comput. Eng., Univ. of Sherbrooke, Sherbrooke, QC, Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Sherbrooke, Sherbrooke, JIK 2RI, Canada","institution_ids":["https://openalex.org/I135117807"]},{"raw_affiliation_string":"Dept. of Electr. & Comput. Eng., Univ. of Sherbrooke, Sherbrooke, QC, Canada","institution_ids":["https://openalex.org/I135117807"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.1944,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.56107522,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"16","issue":"5","first_page":"2862","last_page":"2877"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10761","display_name":"Vehicular Ad Hoc Networks (VANETs)","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10761","display_name":"Vehicular Ad Hoc Networks (VANETs)","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"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/T11344","display_name":"Traffic Prediction and Management Techniques","score":0.9983999729156494,"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/T11980","display_name":"Human Mobility and Location-Based Analysis","score":0.996999979019165,"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/node","display_name":"Node (physics)","score":0.6670382022857666},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6659761667251587},{"id":"https://openalex.org/keywords/routing","display_name":"Routing (electronic design automation)","score":0.5454881191253662},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.5305079817771912},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.48606446385383606},{"id":"https://openalex.org/keywords/service","display_name":"Service (business)","score":0.4666096568107605},{"id":"https://openalex.org/keywords/the-internet","display_name":"The Internet","score":0.45797061920166016},{"id":"https://openalex.org/keywords/tree","display_name":"Tree (set theory)","score":0.4519391655921936},{"id":"https://openalex.org/keywords/hierarchy","display_name":"Hierarchy","score":0.4285047650337219},{"id":"https://openalex.org/keywords/task","display_name":"Task (project management)","score":0.4268459975719452},{"id":"https://openalex.org/keywords/aggregate","display_name":"Aggregate (composite)","score":0.4105513393878937},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.3852199614048004},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.19315361976623535},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.16075578331947327},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.13134199380874634}],"concepts":[{"id":"https://openalex.org/C62611344","wikidata":"https://www.wikidata.org/wiki/Q1062658","display_name":"Node (physics)","level":2,"score":0.6670382022857666},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6659761667251587},{"id":"https://openalex.org/C74172769","wikidata":"https://www.wikidata.org/wiki/Q1446839","display_name":"Routing (electronic design automation)","level":2,"score":0.5454881191253662},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.5305079817771912},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.48606446385383606},{"id":"https://openalex.org/C2780378061","wikidata":"https://www.wikidata.org/wiki/Q25351891","display_name":"Service (business)","level":2,"score":0.4666096568107605},{"id":"https://openalex.org/C110875604","wikidata":"https://www.wikidata.org/wiki/Q75","display_name":"The Internet","level":2,"score":0.45797061920166016},{"id":"https://openalex.org/C113174947","wikidata":"https://www.wikidata.org/wiki/Q2859736","display_name":"Tree (set theory)","level":2,"score":0.4519391655921936},{"id":"https://openalex.org/C31170391","wikidata":"https://www.wikidata.org/wiki/Q188619","display_name":"Hierarchy","level":2,"score":0.4285047650337219},{"id":"https://openalex.org/C2780451532","wikidata":"https://www.wikidata.org/wiki/Q759676","display_name":"Task (project management)","level":2,"score":0.4268459975719452},{"id":"https://openalex.org/C4679612","wikidata":"https://www.wikidata.org/wiki/Q866298","display_name":"Aggregate (composite)","level":2,"score":0.4105513393878937},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.3852199614048004},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.19315361976623535},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.16075578331947327},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.13134199380874634},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"score":0.0},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C201995342","wikidata":"https://www.wikidata.org/wiki/Q682496","display_name":"Systems engineering","level":1,"score":0.0},{"id":"https://openalex.org/C136264566","wikidata":"https://www.wikidata.org/wiki/Q159810","display_name":"Economy","level":1,"score":0.0},{"id":"https://openalex.org/C34447519","wikidata":"https://www.wikidata.org/wiki/Q179522","display_name":"Market economy","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/tits.2015.2430365","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tits.2015.2430365","pdf_url":null,"source":{"id":"https://openalex.org/S144771191","display_name":"IEEE Transactions on Intelligent Transportation Systems","issn_l":"1524-9050","issn":["1524-9050","1558-0016"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Intelligent Transportation Systems","raw_type":"journal-article"},{"id":"pmh:oai:publications.polymtl.ca:48243","is_oa":false,"landing_page_url":"https://publications.polymtl.ca/48243/","pdf_url":null,"source":{"id":"https://openalex.org/S4306401013","display_name":"PolyPublie (\u00c9cole Polytechnique de Montr\u00e9al)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I45683168","host_organization_name":"Polytechnique Montr\u00e9al","host_organization_lineage":["https://openalex.org/I45683168"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Article de revue"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Sustainable cities and communities","score":0.7900000214576721,"id":"https://metadata.un.org/sdg/11"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":39,"referenced_works":["https://openalex.org/W1604770736","https://openalex.org/W1965496627","https://openalex.org/W1966150840","https://openalex.org/W1970376385","https://openalex.org/W1979057749","https://openalex.org/W1986203937","https://openalex.org/W1997819656","https://openalex.org/W2008619006","https://openalex.org/W2010315317","https://openalex.org/W2035297662","https://openalex.org/W2035669272","https://openalex.org/W2038622450","https://openalex.org/W2051241238","https://openalex.org/W2052162965","https://openalex.org/W2052451497","https://openalex.org/W2054697154","https://openalex.org/W2055914078","https://openalex.org/W2063920058","https://openalex.org/W2078938638","https://openalex.org/W2093685172","https://openalex.org/W2107846430","https://openalex.org/W2110409892","https://openalex.org/W2123998683","https://openalex.org/W2126644064","https://openalex.org/W2134576786","https://openalex.org/W2142980265","https://openalex.org/W2143374307","https://openalex.org/W2146333962","https://openalex.org/W2153707811","https://openalex.org/W2153897821","https://openalex.org/W2156096712","https://openalex.org/W2161314920","https://openalex.org/W2164192722","https://openalex.org/W2398810887","https://openalex.org/W3124730894","https://openalex.org/W3185458812","https://openalex.org/W4302564868","https://openalex.org/W6676258373","https://openalex.org/W6799142695"],"related_works":["https://openalex.org/W2365264209","https://openalex.org/W2509431957","https://openalex.org/W2026999166","https://openalex.org/W3020924181","https://openalex.org/W2885881666","https://openalex.org/W1992685502","https://openalex.org/W4211007821","https://openalex.org/W2802395037","https://openalex.org/W1996802783","https://openalex.org/W3207031006"],"abstract_inverted_index":{"Vehicle":[0],"density":[1,67,79,99,129,144,147,158,185],"information":[2,21,130,145],"is":[3,22,53,88,100,124,139,149],"crucial":[4],"for":[5,24,44,81],"efficient":[6,155],"functioning":[7],"of":[8,36,64,106,121,157,184],"many":[9],"vehicular":[10],"applications,":[11],"including":[12],"emergency":[13],"notification,":[14],"driver":[15],"assistance,":[16],"and":[17,39,60,97,127],"infotainment":[18],"applications.":[19],"This":[20],"used":[23,101],"evacuation":[25],"planning":[26],"in":[27,33,170],"accident":[28],"scenarios,":[29],"finding":[30],"alternate":[31],"routes":[32],"the":[34,98,104,107,109,113,133,136,142,152,177],"case":[35],"road":[37,95,114],"congestion,":[38],"providing":[40],"stable":[41],"routing":[42],"paths":[43],"uninterrupted":[45],"internet":[46],"connections.":[47],"In":[48,69],"a":[49,54,74,78,91,94],"city":[50,82],"scenario,":[51],"it":[52],"tedious":[55],"task":[56],"to":[57,76,102,125],"continuously":[58],"collect":[59,126],"share":[61],"large":[62],"volumes":[63],"data":[65,167],"containing":[66],"information.":[68],"this":[70,122],"paper,":[71],"we":[72,160],"propose":[73],"mechanism":[75,179],"create":[77],"map":[80,186],"environments.":[83],"A":[84],"hierarchy":[85],"(i.e.,":[86,146],"tree)":[87],"established,":[89],"where":[90,166],"node":[92,111,138],"represents":[93,112],"segment":[96,115],"determine":[103],"height":[105],"node;":[108],"root":[110,137],"having":[116],"highest":[117],"density.":[118],"The":[119],"purpose":[120],"tree":[123],"aggregate":[128],"starting":[131],"from":[132],"leaves":[134],"until":[135],"reached.":[140],"Then,":[141],"aggregated":[143],"map)":[148],"forwarded":[150],"down":[151],"hierarchy.":[153],"For":[154],"aggregation":[156],"information,":[159],"adopt":[161],"an":[162,171],"effective":[163],"curve-fitting":[164],"method":[165],"are":[168],"represented":[169],"equation.":[172],"Simulation":[173],"results":[174],"show":[175],"that":[176],"proposed":[178],"allows":[180],"highly":[181],"accurate":[182],"computing":[183],"while":[187],"generating":[188],"low":[189],"network":[190],"overhead.":[191]},"counts_by_year":[{"year":2016,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}