{"id":"https://openalex.org/W2936545648","doi":"https://doi.org/10.1080/17538947.2019.1603331","title":"Current status and future directions of geoportals","display_name":"Current status and future directions of geoportals","publication_year":2019,"publication_date":"2019-04-15","ids":{"openalex":"https://openalex.org/W2936545648","doi":"https://doi.org/10.1080/17538947.2019.1603331","mag":"2936545648"},"language":"en","primary_location":{"id":"doi:10.1080/17538947.2019.1603331","is_oa":false,"landing_page_url":"https://doi.org/10.1080/17538947.2019.1603331","pdf_url":null,"source":{"id":"https://openalex.org/S199162493","display_name":"International Journal of Digital Earth","issn_l":"1753-8947","issn":["1753-8947","1753-8955"],"is_oa":false,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547"],"host_organization_lineage_names":["Taylor & Francis"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Digital Earth","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"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/A5043096476","display_name":"Hao Jiang","orcid":"https://orcid.org/0000-0002-5122-0412"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210137199","display_name":"Aerospace Information Research Institute","ror":"https://ror.org/0419fj215","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Hao Jiang","raw_affiliation_strings":["Chinese Academy of Sciences, Aerospace Information Research Institute, Beijing, People\u2019s Republic of China","University of the Chinese Academy of Sciences, Beijing, People\u2019s Republic of China","Chinese Academy of Sciences, Aerospace Information Research Institute, Beijing, People's Republic of China","University of the Chinese Academy of Sciences, Beijing, People's Republic of China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chinese Academy of Sciences, Aerospace Information Research Institute, Beijing, People\u2019s Republic of China","institution_ids":["https://openalex.org/I4210137199","https://openalex.org/I19820366"]},{"raw_affiliation_string":"University of the Chinese Academy of Sciences, Beijing, People\u2019s Republic of China","institution_ids":["https://openalex.org/I4210165038"]},{"raw_affiliation_string":"Chinese Academy of Sciences, Aerospace Information Research Institute, Beijing, People's Republic of China","institution_ids":["https://openalex.org/I4210137199","https://openalex.org/I19820366"]},{"raw_affiliation_string":"University of the Chinese Academy of Sciences, Beijing, People's Republic of China","institution_ids":["https://openalex.org/I4210165038"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5054109049","display_name":"J.L. van Genderen","orcid":"https://orcid.org/0000-0002-8900-4774"},"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":"John van Genderen","raw_affiliation_strings":["Faculty of Geo-Information Science and Earth Observation, University of Twente, Enschede, The Netherlands"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Geo-Information Science and Earth Observation, University of Twente, Enschede, The Netherlands","institution_ids":["https://openalex.org/I94624287"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045686269","display_name":"P. Mazzetti","orcid":"https://orcid.org/0000-0002-8291-1128"},"institutions":[{"id":"https://openalex.org/I4210155236","display_name":"National Research Council","ror":"https://ror.org/04zaypm56","country_code":"IT","type":"nonprofit","lineage":["https://openalex.org/I4210155236"]},{"id":"https://openalex.org/I4210158892","display_name":"Institute of Atmospheric Pollution Research","ror":"https://ror.org/05hky6p02","country_code":"IT","type":"facility","lineage":["https://openalex.org/I4210155236","https://openalex.org/I4210158892"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Paolo Mazzetti","raw_affiliation_strings":["Institute of Atmospheric Pollution Research, National Research Council, Florence, Italy"],"raw_orcid":"https://orcid.org/0000-0002-8291-1128","affiliations":[{"raw_affiliation_string":"Institute of Atmospheric Pollution Research, National Research Council, Florence, Italy","institution_ids":["https://openalex.org/I4210158892","https://openalex.org/I4210155236"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5091063089","display_name":"Hyeongmo Koo","orcid":"https://orcid.org/0000-0002-5446-1668"},"institutions":[{"id":"https://openalex.org/I152031979","display_name":"Nanjing Normal University","ror":"https://ror.org/036trcv74","country_code":"CN","type":"education","lineage":["https://openalex.org/I152031979"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hyeongmo Koo","raw_affiliation_strings":["Key Laboratory of Virtual Geographic Environment (Ministry of Education), Department of Geography, Nanjing, Nanjing Normal University, Jiangsu, People\u2019s Republic of China","Key Laboratory of Virtual Geographic Environment (Ministry of Education), Department of Geography, Nanjing, Nanjing Normal University, Jiangsu, People's Republic of China"],"raw_orcid":"https://orcid.org/0000-0002-5446-1668","affiliations":[{"raw_affiliation_string":"Key Laboratory of Virtual Geographic Environment (Ministry of Education), Department of Geography, Nanjing, Nanjing Normal University, Jiangsu, People\u2019s Republic of China","institution_ids":["https://openalex.org/I152031979"]},{"raw_affiliation_string":"Key Laboratory of Virtual Geographic Environment (Ministry of Education), Department of Geography, Nanjing, Nanjing Normal University, Jiangsu, People's Republic of China","institution_ids":["https://openalex.org/I152031979"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5062581654","display_name":"Min Chen","orcid":null},"institutions":[{"id":"https://openalex.org/I152031979","display_name":"Nanjing Normal University","ror":"https://ror.org/036trcv74","country_code":"CN","type":"education","lineage":["https://openalex.org/I152031979"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Min Chen","raw_affiliation_strings":["Key Laboratory of Virtual Geographic Environment (Ministry of Education), Department of Geography, Nanjing, Nanjing Normal University, Jiangsu, People\u2019s Republic of China","Key Laboratory of Virtual Geographic Environment (Ministry of Education), Department of Geography, Nanjing, Nanjing Normal University, Jiangsu, People's Republic of China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Virtual Geographic Environment (Ministry of Education), Department of Geography, Nanjing, Nanjing Normal University, Jiangsu, People\u2019s Republic of China","institution_ids":["https://openalex.org/I152031979"]},{"raw_affiliation_string":"Key Laboratory of Virtual Geographic Environment (Ministry of Education), Department of Geography, Nanjing, Nanjing Normal University, Jiangsu, People's Republic of China","institution_ids":["https://openalex.org/I152031979"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5043096476"],"corresponding_institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210137199","https://openalex.org/I4210165038"],"apc_list":{"value":2390,"currency":"USD","value_usd":2390},"apc_paid":null,"fwci":14.6188,"has_fulltext":false,"cited_by_count":37,"citation_normalized_percentile":{"value":0.98695176,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":100},"biblio":{"volume":"13","issue":"10","first_page":"1093","last_page":"1114"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10757","display_name":"Geographic Information Systems Studies","score":0.9987999796867371,"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":0.9987999796867371,"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":0.9902999997138977,"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/T14427","display_name":"Environmental Monitoring and Data Management","score":0.9812999963760376,"subfield":{"id":"https://openalex.org/subfields/1907","display_name":"Geology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/geoportal","display_name":"Geoportal","score":0.809303343296051},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.666579008102417},{"id":"https://openalex.org/keywords/digital-earth","display_name":"Digital Earth","score":0.6616235971450806},{"id":"https://openalex.org/keywords/data-science","display_name":"Data science","score":0.660318911075592},{"id":"https://openalex.org/keywords/big-data","display_name":"Big data","score":0.6497698426246643},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.5439313650131226},{"id":"https://openalex.org/keywords/data-discovery","display_name":"Data discovery","score":0.4827684462070465},{"id":"https://openalex.org/keywords/data-sharing","display_name":"Data sharing","score":0.4409600794315338},{"id":"https://openalex.org/keywords/visualization","display_name":"Visualization","score":0.4322059154510498},{"id":"https://openalex.org/keywords/service","display_name":"Service (business)","score":0.4202854335308075},{"id":"https://openalex.org/keywords/geospatial-analysis","display_name":"Geospatial analysis","score":0.2989690899848938},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.24123477935791016},{"id":"https://openalex.org/keywords/metadata","display_name":"Metadata","score":0.180202454328537},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.14865347743034363}],"concepts":[{"id":"https://openalex.org/C118985605","wikidata":"https://www.wikidata.org/wiki/Q1503337","display_name":"Geoportal","level":4,"score":0.809303343296051},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.666579008102417},{"id":"https://openalex.org/C120938966","wikidata":"https://www.wikidata.org/wiki/Q5275845","display_name":"Digital Earth","level":2,"score":0.6616235971450806},{"id":"https://openalex.org/C2522767166","wikidata":"https://www.wikidata.org/wiki/Q2374463","display_name":"Data science","level":1,"score":0.660318911075592},{"id":"https://openalex.org/C75684735","wikidata":"https://www.wikidata.org/wiki/Q858810","display_name":"Big data","level":2,"score":0.6497698426246643},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.5439313650131226},{"id":"https://openalex.org/C2777516300","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data discovery","level":3,"score":0.4827684462070465},{"id":"https://openalex.org/C2779965156","wikidata":"https://www.wikidata.org/wiki/Q5227350","display_name":"Data sharing","level":3,"score":0.4409600794315338},{"id":"https://openalex.org/C36464697","wikidata":"https://www.wikidata.org/wiki/Q451553","display_name":"Visualization","level":2,"score":0.4322059154510498},{"id":"https://openalex.org/C2780378061","wikidata":"https://www.wikidata.org/wiki/Q25351891","display_name":"Service (business)","level":2,"score":0.4202854335308075},{"id":"https://openalex.org/C9770341","wikidata":"https://www.wikidata.org/wiki/Q1938983","display_name":"Geospatial analysis","level":2,"score":0.2989690899848938},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.24123477935791016},{"id":"https://openalex.org/C93518851","wikidata":"https://www.wikidata.org/wiki/Q180160","display_name":"Metadata","level":2,"score":0.180202454328537},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.14865347743034363},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0},{"id":"https://openalex.org/C204787440","wikidata":"https://www.wikidata.org/wiki/Q188504","display_name":"Alternative medicine","level":2,"score":0.0},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"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/C104345477","wikidata":"https://www.wikidata.org/wiki/Q5513523","display_name":"GIS and public health","level":3,"score":0.0},{"id":"https://openalex.org/C58640448","wikidata":"https://www.wikidata.org/wiki/Q42515","display_name":"Cartography","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1080/17538947.2019.1603331","is_oa":false,"landing_page_url":"https://doi.org/10.1080/17538947.2019.1603331","pdf_url":null,"source":{"id":"https://openalex.org/S199162493","display_name":"International Journal of Digital Earth","issn_l":"1753-8947","issn":["1753-8947","1753-8955"],"is_oa":false,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547"],"host_organization_lineage_names":["Taylor & Francis"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Digital Earth","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:bbb32cb4f139454f9bb3ec854c566356","is_oa":false,"landing_page_url":"https://doaj.org/article/bbb32cb4f139454f9bb3ec854c566356","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","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":"International Journal of Digital Earth, Vol 13, Iss 10, Pp 1093-1114 (2020)","raw_type":"article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320309024","display_name":"National Geographic Society","ror":"https://ror.org/04bqh5m06"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":90,"referenced_works":["https://openalex.org/W92427664","https://openalex.org/W1873562015","https://openalex.org/W1873581634","https://openalex.org/W1968609676","https://openalex.org/W1970054089","https://openalex.org/W1970844505","https://openalex.org/W1971683667","https://openalex.org/W1993218443","https://openalex.org/W1996868548","https://openalex.org/W2006411820","https://openalex.org/W2008303146","https://openalex.org/W2011094675","https://openalex.org/W2015544772","https://openalex.org/W2018972786","https://openalex.org/W2019374206","https://openalex.org/W2025470127","https://openalex.org/W2026573317","https://openalex.org/W2030795947","https://openalex.org/W2035167631","https://openalex.org/W2042515583","https://openalex.org/W2042564667","https://openalex.org/W2045379899","https://openalex.org/W2047449236","https://openalex.org/W2050314978","https://openalex.org/W2053972201","https://openalex.org/W2058748907","https://openalex.org/W2062943056","https://openalex.org/W2068494914","https://openalex.org/W2069281202","https://openalex.org/W2076524433","https://openalex.org/W2079313898","https://openalex.org/W2080622202","https://openalex.org/W2082877005","https://openalex.org/W2094990648","https://openalex.org/W2097443881","https://openalex.org/W2105944623","https://openalex.org/W2109023673","https://openalex.org/W2111373435","https://openalex.org/W2113700290","https://openalex.org/W2136022644","https://openalex.org/W2137130643","https://openalex.org/W2147002317","https://openalex.org/W2149091192","https://openalex.org/W2155456495","https://openalex.org/W2161000034","https://openalex.org/W2170962024","https://openalex.org/W2195279178","https://openalex.org/W2206614541","https://openalex.org/W2243326906","https://openalex.org/W2253071160","https://openalex.org/W2269425197","https://openalex.org/W2294390324","https://openalex.org/W2296539175","https://openalex.org/W2298550543","https://openalex.org/W2300143924","https://openalex.org/W2311556747","https://openalex.org/W2314609749","https://openalex.org/W2318635419","https://openalex.org/W2328153882","https://openalex.org/W2340152423","https://openalex.org/W2399806216","https://openalex.org/W2406074753","https://openalex.org/W2438103508","https://openalex.org/W2469974077","https://openalex.org/W2474693892","https://openalex.org/W2489309126","https://openalex.org/W2506409811","https://openalex.org/W2526851482","https://openalex.org/W2528274733","https://openalex.org/W2535649477","https://openalex.org/W2538150476","https://openalex.org/W2560066447","https://openalex.org/W2623439915","https://openalex.org/W2624675266","https://openalex.org/W2625598969","https://openalex.org/W2646735560","https://openalex.org/W2725897987","https://openalex.org/W2730188290","https://openalex.org/W2733552594","https://openalex.org/W2752960530","https://openalex.org/W2772843492","https://openalex.org/W2791365386","https://openalex.org/W2793252126","https://openalex.org/W2899965975","https://openalex.org/W3046903220","https://openalex.org/W4232999474","https://openalex.org/W4234724959","https://openalex.org/W4235322170","https://openalex.org/W4252066872","https://openalex.org/W4399317961"],"related_works":["https://openalex.org/W2033042438","https://openalex.org/W4252261780","https://openalex.org/W2917032349","https://openalex.org/W3162789769","https://openalex.org/W2053972201","https://openalex.org/W2070486411","https://openalex.org/W2045379899","https://openalex.org/W2409196414","https://openalex.org/W2789238979","https://openalex.org/W2775197944"],"abstract_inverted_index":{"Geoportals":[0],"are":[1,64,78,114,146],"a":[2,34,171],"consolidated":[3],"web-based":[4],"solution":[5],"to":[6,22,67,132,170,186],"provide":[7,130,179],"open":[8],"spatial":[9],"data":[10,57,88,134,138,141,181],"sharing":[11,182],"and":[12,18,27,41,53,58,70,85,103,107,122,140,153,160,183],"online":[13,151,173],"geo-information":[14],"management.":[15],"Their":[16],"roles":[17],"possible":[19],"advancements":[20],"according":[21,66],"the":[23,37,43,101,110,187],"Digital":[24,174],"Earth":[25,55,175],"vision":[26],"implementation":[28],"require":[29],"investigations.":[30],"This":[31],"paper":[32],"presents":[33],"review":[35],"of":[36,82,93,118,144,149,166],"literature":[38],"concerning":[39],"geoportals":[40,77,113,128,167],"serves":[42],"following":[44],"primary":[45],"purposes.":[46],"First,":[47],"various":[48],"geoportal":[49,91],"approaches":[50],"for":[51,109],"discovering":[52],"accessing":[54],"observation":[56],"geo-information,":[59],"mainly":[60],"with":[61],"scientific":[62],"purposes,":[63],"summarized":[65],"their":[68,119],"characteristics":[69],"functionalities.":[71],"Second,":[72],"current":[73],"major":[74],"challenges":[75,111,188],"in":[76,80,112,116],"identified":[79],"terms":[81,117],"functionalities,":[83],"technologies,":[84],"especially":[86],"big":[87,191],"support,":[89],"from":[90,100],"cases":[92],"China.":[94],"Finally,":[95],"based":[96],"on":[97],"lessons":[98],"learned":[99],"international":[102],"Chinese":[104],"geoportals,":[105],"solutions":[106,185],"recommendations":[108],"proposed":[115],"architectures,":[120],"services,":[121],"technologies.":[123],"The":[124,164],"results":[125],"show":[126],"that":[127,177],"usually":[129],"access":[131],"distributed":[133],"systems,":[135],"offering":[136,150],"maps,":[137],"discovery,":[139],"downloads.":[142],"Some":[143],"them":[145],"also":[147],"capable":[148],"analysis":[152],"processing":[154],"service,":[155],"enhanced":[156],"semantic":[157],"search":[158],"engines,":[159],"dynamic":[161],"visualization":[162],"tools.":[163],"strength":[165],"could":[168,178],"lead":[169],"full-fledged":[172],"system":[176],"better":[180],"dissemination":[184],"posed":[189],"by":[190],"data.":[192]},"counts_by_year":[{"year":2026,"cited_by_count":4},{"year":2025,"cited_by_count":8},{"year":2024,"cited_by_count":6},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":10},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":2}],"updated_date":"2026-05-06T08:25:59.206177","created_date":"2025-10-10T00:00:00"}