{"id":"https://openalex.org/W2969463638","doi":"https://doi.org/10.1109/jurse.2019.8809066","title":"Do we underestimate the global slum population?","display_name":"Do we underestimate the global slum population?","publication_year":2019,"publication_date":"2019-05-01","ids":{"openalex":"https://openalex.org/W2969463638","doi":"https://doi.org/10.1109/jurse.2019.8809066","mag":"2969463638"},"language":"en","primary_location":{"id":"doi:10.1109/jurse.2019.8809066","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jurse.2019.8809066","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 Joint Urban Remote Sensing Event (JURSE)","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://research.utwente.nl/en/publications/505ab31e-1d41-4289-8e69-8153c001388b","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5059871347","display_name":"Monika Kuffer","orcid":null},"institutions":[{"id":"https://openalex.org/I94624287","display_name":"University of Twente","ror":"https://ror.org/006hf6230","country_code":"NL","type":"education","lineage":["https://openalex.org/I94624287"]}],"countries":["NL"],"is_corresponding":true,"raw_author_name":"Monika Kuffer","raw_affiliation_strings":["ITC, University of Twente, Enschede, NL"],"affiliations":[{"raw_affiliation_string":"ITC, University of Twente, Enschede, NL","institution_ids":["https://openalex.org/I94624287"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029035818","display_name":"Claudio Persello","orcid":"https://orcid.org/0000-0003-3742-5398"},"institutions":[{"id":"https://openalex.org/I94624287","display_name":"University of Twente","ror":"https://ror.org/006hf6230","country_code":"NL","type":"education","lineage":["https://openalex.org/I94624287"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"Claudio Persello","raw_affiliation_strings":["ITC, University of Twente, Enschede, NL"],"affiliations":[{"raw_affiliation_string":"ITC, University of Twente, Enschede, NL","institution_ids":["https://openalex.org/I94624287"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5078575135","display_name":"Karin Pfeffer","orcid":"https://orcid.org/0000-0002-6080-1323"},"institutions":[{"id":"https://openalex.org/I94624287","display_name":"University of Twente","ror":"https://ror.org/006hf6230","country_code":"NL","type":"education","lineage":["https://openalex.org/I94624287"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"Karin Pfeffer","raw_affiliation_strings":["ITC, University of Twente, Enschede, NL"],"affiliations":[{"raw_affiliation_string":"ITC, University of Twente, Enschede, NL","institution_ids":["https://openalex.org/I94624287"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035397566","display_name":"Richard Sliuzas","orcid":"https://orcid.org/0000-0001-5243-4431"},"institutions":[{"id":"https://openalex.org/I94624287","display_name":"University of Twente","ror":"https://ror.org/006hf6230","country_code":"NL","type":"education","lineage":["https://openalex.org/I94624287"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"Richard Sliuzas","raw_affiliation_strings":["ITC, University of Twente, Enschede, NL"],"affiliations":[{"raw_affiliation_string":"ITC, University of Twente, Enschede, NL","institution_ids":["https://openalex.org/I94624287"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5001853531","display_name":"Vinodkumar Rao","orcid":"https://orcid.org/0000-0002-8317-5759"},"institutions":[{"id":"https://openalex.org/I4210135484","display_name":"Sun Pharma Advanced Research (India)","ror":"https://ror.org/03ymf7q07","country_code":"IN","type":"company","lineage":["https://openalex.org/I4210135484"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Vinodkumar Rao","raw_affiliation_strings":["SPARC - (SDI affiliate), Mumbai, India"],"affiliations":[{"raw_affiliation_string":"SPARC - (SDI affiliate), Mumbai, India","institution_ids":["https://openalex.org/I4210135484"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5059871347"],"corresponding_institution_ids":["https://openalex.org/I94624287"],"apc_list":null,"apc_paid":null,"fwci":1.1808,"has_fulltext":false,"cited_by_count":17,"citation_normalized_percentile":{"value":0.7868988,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"4"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11963","display_name":"Impact of Light on Environment and Health","score":0.9925000071525574,"subfield":{"id":"https://openalex.org/subfields/2306","display_name":"Global and Planetary Change"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11963","display_name":"Impact of Light on Environment and Health","score":0.9925000071525574,"subfield":{"id":"https://openalex.org/subfields/2306","display_name":"Global and Planetary Change"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10226","display_name":"Land Use and Ecosystem Services","score":0.9904999732971191,"subfield":{"id":"https://openalex.org/subfields/2306","display_name":"Global and Planetary Change"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12147","display_name":"Urban and Rural Development Challenges","score":0.9884999990463257,"subfield":{"id":"https://openalex.org/subfields/3322","display_name":"Urban Studies"},"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/slum","display_name":"Slum","score":0.9742573499679565},{"id":"https://openalex.org/keywords/census","display_name":"Census","score":0.7831244468688965},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.7328701019287109},{"id":"https://openalex.org/keywords/tanzania","display_name":"Tanzania","score":0.7249627113342285},{"id":"https://openalex.org/keywords/human-settlement","display_name":"Human settlement","score":0.7105396389961243},{"id":"https://openalex.org/keywords/informal-settlements","display_name":"Informal settlements","score":0.6573238372802734},{"id":"https://openalex.org/keywords/population","display_name":"Population","score":0.6439791321754456},{"id":"https://openalex.org/keywords/socioeconomics","display_name":"Socioeconomics","score":0.5171577334403992},{"id":"https://openalex.org/keywords/settlement","display_name":"Settlement (finance)","score":0.5058159828186035},{"id":"https://openalex.org/keywords/dar-es-salaam","display_name":"Dar es salaam","score":0.48286157846450806},{"id":"https://openalex.org/keywords/environmental-planning","display_name":"Environmental planning","score":0.280566930770874},{"id":"https://openalex.org/keywords/economic-growth","display_name":"Economic growth","score":0.24598264694213867},{"id":"https://openalex.org/keywords/business","display_name":"Business","score":0.1857554018497467},{"id":"https://openalex.org/keywords/environmental-health","display_name":"Environmental health","score":0.16134381294250488},{"id":"https://openalex.org/keywords/economics","display_name":"Economics","score":0.08572378754615784},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.06302431225776672}],"concepts":[{"id":"https://openalex.org/C2778631157","wikidata":"https://www.wikidata.org/wiki/Q201759","display_name":"Slum","level":3,"score":0.9742573499679565},{"id":"https://openalex.org/C52130261","wikidata":"https://www.wikidata.org/wiki/Q39825","display_name":"Census","level":3,"score":0.7831244468688965},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.7328701019287109},{"id":"https://openalex.org/C2779357621","wikidata":"https://www.wikidata.org/wiki/Q655495","display_name":"Tanzania","level":2,"score":0.7249627113342285},{"id":"https://openalex.org/C16678853","wikidata":"https://www.wikidata.org/wiki/Q486972","display_name":"Human settlement","level":2,"score":0.7105396389961243},{"id":"https://openalex.org/C2992462627","wikidata":"https://www.wikidata.org/wiki/Q96382144","display_name":"Informal settlements","level":2,"score":0.6573238372802734},{"id":"https://openalex.org/C2908647359","wikidata":"https://www.wikidata.org/wiki/Q2625603","display_name":"Population","level":2,"score":0.6439791321754456},{"id":"https://openalex.org/C45355965","wikidata":"https://www.wikidata.org/wiki/Q1643441","display_name":"Socioeconomics","level":1,"score":0.5171577334403992},{"id":"https://openalex.org/C2777063073","wikidata":"https://www.wikidata.org/wiki/Q1553237","display_name":"Settlement (finance)","level":3,"score":0.5058159828186035},{"id":"https://openalex.org/C3019135560","wikidata":"https://www.wikidata.org/wiki/Q1960","display_name":"Dar es salaam","level":3,"score":0.48286157846450806},{"id":"https://openalex.org/C91375879","wikidata":"https://www.wikidata.org/wiki/Q15473274","display_name":"Environmental planning","level":1,"score":0.280566930770874},{"id":"https://openalex.org/C50522688","wikidata":"https://www.wikidata.org/wiki/Q189833","display_name":"Economic growth","level":1,"score":0.24598264694213867},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.1857554018497467},{"id":"https://openalex.org/C99454951","wikidata":"https://www.wikidata.org/wiki/Q932068","display_name":"Environmental health","level":1,"score":0.16134381294250488},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.08572378754615784},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.06302431225776672},{"id":"https://openalex.org/C145097563","wikidata":"https://www.wikidata.org/wiki/Q1148747","display_name":"Payment","level":2,"score":0.0},{"id":"https://openalex.org/C10138342","wikidata":"https://www.wikidata.org/wiki/Q43015","display_name":"Finance","level":1,"score":0.0},{"id":"https://openalex.org/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/jurse.2019.8809066","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jurse.2019.8809066","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 Joint Urban Remote Sensing Event (JURSE)","raw_type":"proceedings-article"},{"id":"pmh:oai:ris.utwente.nl:openaire/505ab31e-1d41-4289-8e69-8153c001388b","is_oa":true,"landing_page_url":"https://research.utwente.nl/en/publications/505ab31e-1d41-4289-8e69-8153c001388b","pdf_url":null,"source":{"id":"https://openalex.org/S4406922991","display_name":"University of Twente Research Information","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":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Kuffer, M, Persello, C, Pfeffer, K, Sliuzas, R & Rao, V 2019, Do we underestimate the global slum population? in 2019 Joint Urban Remote Sensing Event, JURSE 2019., 8809066, IEEE, Piscataway, NJ, pp. 1-4, Joint Urban Remote Sensing Event, JURSE 2019, Vannes, France, 22/05/19. https://doi.org/10.1109/JURSE.2019.8809066","raw_type":"info:eu-repo/semantics/publishedVersion"},{"id":"pmh:oai:ris.utwente.nl:publications/505ab31e-1d41-4289-8e69-8153c001388b","is_oa":true,"landing_page_url":"https://ezproxy2.utwente.nl/login?url=https://webapps.itc.utwente.nl/library/2018/chap/kuffer_do.pdf","pdf_url":null,"source":null,"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Kuffer , M , Persello , C , Pfeffer , K , Sliuzas , R &amp; Rao , V 2019 , Do we underestimate the global slum population? in 2019 Joint Urban Remote Sensing Event, JURSE 2019 . , 8809066 , IEEE , pp. 1-4 , Joint Urban Remote Sensing Event, JURSE 2019 , Vannes , France , 22/05/19 . https://doi.org/10.1109/JURSE.2019.8809066","raw_type":"contributionToPeriodical"}],"best_oa_location":{"id":"pmh:oai:ris.utwente.nl:openaire/505ab31e-1d41-4289-8e69-8153c001388b","is_oa":true,"landing_page_url":"https://research.utwente.nl/en/publications/505ab31e-1d41-4289-8e69-8153c001388b","pdf_url":null,"source":{"id":"https://openalex.org/S4406922991","display_name":"University of Twente Research Information","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":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Kuffer, M, Persello, C, Pfeffer, K, Sliuzas, R & Rao, V 2019, Do we underestimate the global slum population? in 2019 Joint Urban Remote Sensing Event, JURSE 2019., 8809066, IEEE, Piscataway, NJ, pp. 1-4, Joint Urban Remote Sensing Event, JURSE 2019, Vannes, France, 22/05/19. https://doi.org/10.1109/JURSE.2019.8809066","raw_type":"info:eu-repo/semantics/publishedVersion"},"sustainable_development_goals":[{"display_name":"Sustainable cities and communities","id":"https://metadata.un.org/sdg/11","score":0.8199999928474426}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":27,"referenced_works":["https://openalex.org/W901548182","https://openalex.org/W1560906204","https://openalex.org/W1969636922","https://openalex.org/W1991692910","https://openalex.org/W2035276707","https://openalex.org/W2057968359","https://openalex.org/W2097037082","https://openalex.org/W2179125858","https://openalex.org/W2338897872","https://openalex.org/W2404611670","https://openalex.org/W2588173298","https://openalex.org/W2588275992","https://openalex.org/W2606251026","https://openalex.org/W2612526229","https://openalex.org/W2731748551","https://openalex.org/W2737373480","https://openalex.org/W2765165894","https://openalex.org/W2765226977","https://openalex.org/W2766673287","https://openalex.org/W2790886567","https://openalex.org/W2865171969","https://openalex.org/W2892966283","https://openalex.org/W2899506370","https://openalex.org/W3112071135","https://openalex.org/W6735155268","https://openalex.org/W6740780059","https://openalex.org/W6786891981"],"related_works":["https://openalex.org/W3145032058","https://openalex.org/W2960077019","https://openalex.org/W2963296242","https://openalex.org/W2937839504","https://openalex.org/W3113796088","https://openalex.org/W2987817234","https://openalex.org/W1583338832","https://openalex.org/W2593225088","https://openalex.org/W2589783797","https://openalex.org/W3210871683"],"abstract_inverted_index":{"According":[0],"to":[1,199],"UN-Habitat,":[2],"around":[3,126,167],"one":[4],"billion":[5],"people":[6,187],"live":[7],"in":[8,26,60,71,134,189],"slum":[9,61,107,164,190],"conditions,":[10,136],"this":[11,34,64,204],"number":[12,35,185],"is":[13,166],"reported":[14,51],"for":[15,48],"the":[16,56,101,111,117,121,162,172,184,194],"SDG":[17],"indicator":[18],"11.1.1":[19],"(the":[20],"proportion":[21],"of":[22,80,103,113,129,141,174,186,196],"urban":[23],"population":[24,58,108,165],"living":[25,59,133,188],"slums,":[27],"informal":[28],"settlements":[29],"or":[30],"inadequate":[31],"housing).":[32],"However,":[33],"comes":[36],"with":[37,87,152],"many":[38],"uncertainties.":[39],"For":[40,110],"several":[41],"countries,":[42],"estimates":[43,118,146],"are":[44,132],"not":[45,54],"available,":[46],"while":[47,137],"other":[49],"countries":[50],"data":[52,81,91,94,123],"might":[53],"reflect":[55],"real":[57],"conditions.":[62],"In":[63],"paper,":[65],"we":[66,182],"use":[67],"Dar":[68,114],"es":[69,115],"Salaam":[70],"Tanzania":[72],"as":[73],"a":[74,78,139,178],"showcase":[75],"on":[76,120,177,203],"how":[77,175],"combination":[79,140],"extracted":[82,155],"from":[83,96,147,156],"remote":[84,197],"sensing":[85,198],"combined":[86,151],"locally":[88],"available":[89],"sample":[90],"and":[92,192],"non-official":[93],"(e.g.,":[95],"NGOs)":[97],"could":[98],"allow":[99],"quantifying":[100],"degree":[102],"uncertainty":[104],"about":[105],"city-level":[106],"estimates.":[109],"city":[112],"Salaam,":[116],"based":[119],"census":[122],"indicate":[124],"that":[125],"3":[127],"million":[128],"its":[130],"inhabitants":[131],"slum-like":[135],"using":[138],"household":[142],"surveys,":[143],"settlement":[144],"level":[145,180],"Shack/Slum":[148],"Dwellers":[149],"International":[150],"rooftop":[153],"outlines":[154],"Unmanned":[157],"Aerial":[158],"Vehicle":[159],"(UAV)":[160],"images,":[161],"estimated":[163],"5":[168],"million.":[169],"This":[170],"raises":[171],"question":[173],"much":[176],"global":[179],"do":[181],"underestimate":[183],"conditions":[191],"shows":[193],"potential":[195],"shed":[200],"some":[201],"light":[202],"neglected":[205],"issue.":[206]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":2}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}
