{"id":"https://openalex.org/W3044403286","doi":"https://doi.org/10.3390/ijgi9080467","title":"An Open-Source Framework of Generating Network-Based Transit Catchment Areas by Walking","display_name":"An Open-Source Framework of Generating Network-Based Transit Catchment Areas by Walking","publication_year":2020,"publication_date":"2020-07-22","ids":{"openalex":"https://openalex.org/W3044403286","doi":"https://doi.org/10.3390/ijgi9080467","mag":"3044403286"},"language":"en","primary_location":{"id":"doi:10.3390/ijgi9080467","is_oa":true,"landing_page_url":"https://doi.org/10.3390/ijgi9080467","pdf_url":"https://www.mdpi.com/2220-9964/9/8/467/pdf?version=1595495731","source":{"id":"https://openalex.org/S2764431341","display_name":"ISPRS International Journal of Geo-Information","issn_l":"2220-9964","issn":["2220-9964"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ISPRS International Journal of Geo-Information","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/2220-9964/9/8/467/pdf?version=1595495731","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5071144272","display_name":"Diao Lin","orcid":"https://orcid.org/0000-0002-4621-6136"},"institutions":[{"id":"https://openalex.org/I62916508","display_name":"Technical University of Munich","ror":"https://ror.org/02kkvpp62","country_code":"DE","type":"education","lineage":["https://openalex.org/I62916508"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Diao Lin","raw_affiliation_strings":["Chair of Cartography, Technical University of Munich, 80333 Munich, Germany"],"raw_orcid":"https://orcid.org/0000-0002-4621-6136","affiliations":[{"raw_affiliation_string":"Chair of Cartography, Technical University of Munich, 80333 Munich, Germany","institution_ids":["https://openalex.org/I62916508"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5090567363","display_name":"Ruoxin Zhu","orcid":"https://orcid.org/0000-0003-4552-8223"},"institutions":[{"id":"https://openalex.org/I62916508","display_name":"Technical University of Munich","ror":"https://ror.org/02kkvpp62","country_code":"DE","type":"education","lineage":["https://openalex.org/I62916508"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Ruoxin Zhu","raw_affiliation_strings":["Chair of Cartography, Technical University of Munich, 80333 Munich, Germany"],"raw_orcid":"https://orcid.org/0000-0003-4552-8223","affiliations":[{"raw_affiliation_string":"Chair of Cartography, Technical University of Munich, 80333 Munich, Germany","institution_ids":["https://openalex.org/I62916508"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100614247","display_name":"Jian Yang","orcid":"https://orcid.org/0000-0003-2373-8799"},"institutions":[{"id":"https://openalex.org/I169689159","display_name":"PLA Information Engineering University","ror":"https://ror.org/00mm1qk40","country_code":"CN","type":"education","lineage":["https://openalex.org/I169689159"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jian Yang","raw_affiliation_strings":["School of Geospatial Information, Information Engineering University, Zhengzhou 450052, China"],"raw_orcid":"https://orcid.org/0000-0003-2373-8799","affiliations":[{"raw_affiliation_string":"School of Geospatial Information, Information Engineering University, Zhengzhou 450052, China","institution_ids":["https://openalex.org/I169689159"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5057986367","display_name":"Liqiu Meng","orcid":"https://orcid.org/0000-0001-8787-3418"},"institutions":[{"id":"https://openalex.org/I62916508","display_name":"Technical University of Munich","ror":"https://ror.org/02kkvpp62","country_code":"DE","type":"education","lineage":["https://openalex.org/I62916508"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Liqiu Meng","raw_affiliation_strings":["Chair of Cartography, Technical University of Munich, 80333 Munich, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chair of Cartography, Technical University of Munich, 80333 Munich, Germany","institution_ids":["https://openalex.org/I62916508"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5071144272"],"corresponding_institution_ids":["https://openalex.org/I62916508"],"apc_list":{"value":1400,"currency":"CHF","value_usd":1515},"apc_paid":{"value":810,"currency":"EUR","value_usd":873},"fwci":0.4558,"has_fulltext":true,"cited_by_count":9,"citation_normalized_percentile":{"value":0.61001894,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"9","issue":"8","first_page":"467","last_page":"467"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11106","display_name":"Data Management and Algorithms","score":0.9986000061035156,"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"}},"topics":[{"id":"https://openalex.org/T11106","display_name":"Data Management and Algorithms","score":0.9986000061035156,"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/T12644","display_name":"Wildlife-Road Interactions and Conservation","score":0.9968000054359436,"subfield":{"id":"https://openalex.org/subfields/2303","display_name":"Ecology"},"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/T10698","display_name":"Transportation Planning and Optimization","score":0.9945999979972839,"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/catchment-area","display_name":"Catchment area","score":0.6597558856010437},{"id":"https://openalex.org/keywords/geospatial-analysis","display_name":"Geospatial analysis","score":0.6369648575782776},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5991358757019043},{"id":"https://openalex.org/keywords/transit","display_name":"Transit (satellite)","score":0.5468969345092773},{"id":"https://openalex.org/keywords/public-transport","display_name":"Public transport","score":0.5326240658760071},{"id":"https://openalex.org/keywords/open-source","display_name":"Open source","score":0.513988196849823},{"id":"https://openalex.org/keywords/shortest-path-problem","display_name":"Shortest path problem","score":0.4744982421398163},{"id":"https://openalex.org/keywords/routing","display_name":"Routing (electronic design automation)","score":0.4578264355659485},{"id":"https://openalex.org/keywords/drainage-basin","display_name":"Drainage basin","score":0.4511248469352722},{"id":"https://openalex.org/keywords/transport-engineering","display_name":"Transport engineering","score":0.44430530071258545},{"id":"https://openalex.org/keywords/tree","display_name":"Tree (set theory)","score":0.43669500946998596},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.25233474373817444},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.19984695315361023},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.16328707337379456},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.15413686633110046},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.15170231461524963},{"id":"https://openalex.org/keywords/cartography","display_name":"Cartography","score":0.14199167490005493},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.10333147644996643},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.0875207781791687}],"concepts":[{"id":"https://openalex.org/C2776688068","wikidata":"https://www.wikidata.org/wiki/Q940223","display_name":"Catchment area","level":3,"score":0.6597558856010437},{"id":"https://openalex.org/C9770341","wikidata":"https://www.wikidata.org/wiki/Q1938983","display_name":"Geospatial analysis","level":2,"score":0.6369648575782776},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5991358757019043},{"id":"https://openalex.org/C2778022998","wikidata":"https://www.wikidata.org/wiki/Q651136","display_name":"Transit (satellite)","level":3,"score":0.5468969345092773},{"id":"https://openalex.org/C539828613","wikidata":"https://www.wikidata.org/wiki/Q178512","display_name":"Public transport","level":2,"score":0.5326240658760071},{"id":"https://openalex.org/C3018397939","wikidata":"https://www.wikidata.org/wiki/Q3644502","display_name":"Open source","level":3,"score":0.513988196849823},{"id":"https://openalex.org/C22590252","wikidata":"https://www.wikidata.org/wiki/Q1058754","display_name":"Shortest path problem","level":3,"score":0.4744982421398163},{"id":"https://openalex.org/C74172769","wikidata":"https://www.wikidata.org/wiki/Q1446839","display_name":"Routing (electronic design automation)","level":2,"score":0.4578264355659485},{"id":"https://openalex.org/C126645576","wikidata":"https://www.wikidata.org/wiki/Q166620","display_name":"Drainage basin","level":2,"score":0.4511248469352722},{"id":"https://openalex.org/C22212356","wikidata":"https://www.wikidata.org/wiki/Q775325","display_name":"Transport engineering","level":1,"score":0.44430530071258545},{"id":"https://openalex.org/C113174947","wikidata":"https://www.wikidata.org/wiki/Q2859736","display_name":"Tree (set theory)","level":2,"score":0.43669500946998596},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.25233474373817444},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.19984695315361023},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.16328707337379456},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.15413686633110046},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.15170231461524963},{"id":"https://openalex.org/C58640448","wikidata":"https://www.wikidata.org/wiki/Q42515","display_name":"Cartography","level":1,"score":0.14199167490005493},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.10333147644996643},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.0875207781791687},{"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/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C2777904410","wikidata":"https://www.wikidata.org/wiki/Q7397","display_name":"Software","level":2,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.3390/ijgi9080467","is_oa":true,"landing_page_url":"https://doi.org/10.3390/ijgi9080467","pdf_url":"https://www.mdpi.com/2220-9964/9/8/467/pdf?version=1595495731","source":{"id":"https://openalex.org/S2764431341","display_name":"ISPRS International Journal of Geo-Information","issn_l":"2220-9964","issn":["2220-9964"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ISPRS International Journal of Geo-Information","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:82500f0efbca4b8690980c794d8b6157","is_oa":true,"landing_page_url":"https://doaj.org/article/82500f0efbca4b8690980c794d8b6157","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":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"ISPRS International Journal of Geo-Information, Vol 9, Iss 8, p 467 (2020)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/2220-9964/9/8/467/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/ijgi9080467","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"ISPRS International Journal of Geo-Information; Volume 9; Issue 8; Pages: 467","raw_type":"Text"},{"id":"pmh:oai:mediatum.ub.tum.de:node/1594092","is_oa":true,"landing_page_url":"https://mediatum.ub.tum.de/1594092","pdf_url":null,"source":{"id":"https://openalex.org/S4377196330","display_name":"mediaTUM  (Technical University of Munich)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I62916508","host_organization_name":"Technical University of Munich","host_organization_lineage":["https://openalex.org/I62916508"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"article"}],"best_oa_location":{"id":"doi:10.3390/ijgi9080467","is_oa":true,"landing_page_url":"https://doi.org/10.3390/ijgi9080467","pdf_url":"https://www.mdpi.com/2220-9964/9/8/467/pdf?version=1595495731","source":{"id":"https://openalex.org/S2764431341","display_name":"ISPRS International Journal of Geo-Information","issn_l":"2220-9964","issn":["2220-9964"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ISPRS International Journal of Geo-Information","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Sustainable cities and communities","id":"https://metadata.un.org/sdg/11","score":0.5199999809265137}],"awards":[{"id":"https://openalex.org/G4246317477","display_name":null,"funder_award_id":"2017YFB0503500","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5256469577","display_name":null,"funder_award_id":"41901335","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320320879","display_name":"Deutsche Forschungsgemeinschaft","ror":"https://ror.org/018mejw64"},{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320323383","display_name":"Technische Universit\u00e4t M\u00fcnchen","ror":"https://ror.org/02kkvpp62"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3044403286.pdf","grobid_xml":"https://content.openalex.org/works/W3044403286.grobid-xml"},"referenced_works_count":41,"referenced_works":["https://openalex.org/W1809572611","https://openalex.org/W1957281453","https://openalex.org/W1971748934","https://openalex.org/W1975740324","https://openalex.org/W1985420321","https://openalex.org/W1991693165","https://openalex.org/W2001688487","https://openalex.org/W2015217984","https://openalex.org/W2019443279","https://openalex.org/W2034156882","https://openalex.org/W2046144220","https://openalex.org/W2052101801","https://openalex.org/W2060518516","https://openalex.org/W2063395283","https://openalex.org/W2079630475","https://openalex.org/W2094374076","https://openalex.org/W2097545317","https://openalex.org/W2102795050","https://openalex.org/W2118269922","https://openalex.org/W2173375178","https://openalex.org/W2193082702","https://openalex.org/W2326481385","https://openalex.org/W2347170777","https://openalex.org/W2472133127","https://openalex.org/W2514082233","https://openalex.org/W2549766072","https://openalex.org/W2563003060","https://openalex.org/W2768256553","https://openalex.org/W2775739979","https://openalex.org/W2789644808","https://openalex.org/W2792731127","https://openalex.org/W2913084544","https://openalex.org/W2944511142","https://openalex.org/W2992252237","https://openalex.org/W3003570628","https://openalex.org/W3004273024","https://openalex.org/W3013054055","https://openalex.org/W3098161317","https://openalex.org/W4239132423","https://openalex.org/W4299708757","https://openalex.org/W6771108667"],"related_works":["https://openalex.org/W4367313141","https://openalex.org/W4283374591","https://openalex.org/W2004086023","https://openalex.org/W2733999579","https://openalex.org/W2110217573","https://openalex.org/W2910751785","https://openalex.org/W4390100400","https://openalex.org/W4366547507","https://openalex.org/W4362512700","https://openalex.org/W2788983187"],"abstract_inverted_index":{"The":[0,67,113],"transit":[1,21,124],"catchment":[2,22,102,125],"area":[3],"is":[4,72],"an":[5,75],"important":[6],"concept":[7],"for":[8],"public":[9],"transport":[10],"planning.":[11],"This":[12],"study":[13],"proposes":[14],"a":[15,84],"methodological":[16],"framework":[17,53,71],"to":[18,50,54,119,123,131,134],"generate":[19],"network-based":[20],"areas":[23,103,126],"by":[24,45],"walking.":[25],"Three":[26],"components":[27],"of":[28,57,69,91,104],"the":[29,52,55,58,70,89,92,98,129],"framework,":[30],"namely":[31],"subgraph":[32],"construction,":[33],"extended":[34,133],"shortest":[35],"path":[36],"tree":[37],"construction":[38],"and":[39,62,108,127],"contour":[40],"generation":[41],"are":[42,65],"presented":[43],"step":[44],"step.":[46],"Methods":[47],"on":[48],"how":[49],"generalize":[51],"cases":[56],"directed":[59],"road":[60],"network":[61],"non-point":[63],"facilities":[64],"developed.":[66],"implementation":[68],"provided":[73],"as":[74,83],"open-source":[76,114],"project.":[77],"Using":[78],"metro":[79],"stations":[80],"in":[81],"Shanghai":[82],"case":[85],"study,":[86],"we":[87],"illustrate":[88],"feasibility":[90],"proposed":[93,99],"framework.":[94],"Experiments":[95],"show":[96],"that":[97],"method":[100],"generates":[101],"high":[105],"geospatial":[106],"accuracy":[107],"significantly":[109],"increases":[110],"computational":[111],"efficiency.":[112],"program":[115],"can":[116],"be":[117,132],"applied":[118],"support":[120],"research":[121],"related":[122],"has":[128],"potential":[130],"include":[135],"more":[136],"routing-related":[137],"factors.":[138]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":2}],"updated_date":"2026-05-06T08:25:59.206177","created_date":"2025-10-10T00:00:00"}