{"id":"https://openalex.org/W4388615971","doi":"https://doi.org/10.1080/17538947.2023.2278714","title":"Detecting crisis events from unstructured text data using signal words as crisis determinants","display_name":"Detecting crisis events from unstructured text data using signal words as crisis determinants","publication_year":2023,"publication_date":"2023-11-12","ids":{"openalex":"https://openalex.org/W4388615971","doi":"https://doi.org/10.1080/17538947.2023.2278714"},"language":"en","primary_location":{"id":"doi:10.1080/17538947.2023.2278714","is_oa":true,"landing_page_url":"https://doi.org/10.1080/17538947.2023.2278714","pdf_url":"https://www.tandfonline.com/doi/pdf/10.1080/17538947.2023.2278714?needAccess=true","source":{"id":"https://openalex.org/S199162493","display_name":"International Journal of Digital Earth","issn_l":"1753-8947","issn":["1753-8947","1753-8955"],"is_oa":true,"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":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","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":true,"oa_status":"gold","oa_url":"https://www.tandfonline.com/doi/pdf/10.1080/17538947.2023.2278714?needAccess=true","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5061393594","display_name":"Hansi Senaratne","orcid":"https://orcid.org/0000-0001-8444-2196"},"institutions":[{"id":"https://openalex.org/I4210162756","display_name":"TWT GmbH Science & Innovation (Germany)","ror":"https://ror.org/05dfxpw18","country_code":"DE","type":"company","lineage":["https://openalex.org/I4210162756"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Hansi Senaratne","raw_affiliation_strings":["TWT GmbH Science & Innovation, Stuttgart, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"TWT GmbH Science & Innovation, Stuttgart, Germany","institution_ids":["https://openalex.org/I4210162756"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003443369","display_name":"Martin M\u00fchlbauer","orcid":"https://orcid.org/0000-0003-3849-1143"},"institutions":[{"id":"https://openalex.org/I2898391981","display_name":"Deutsches Zentrum f\u00fcr Luft- und Raumfahrt e. V. (DLR)","ror":"https://ror.org/04bwf3e34","country_code":"DE","type":"facility","lineage":["https://openalex.org/I1305996414","https://openalex.org/I2898391981"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Martin M\u00fchlbauer","raw_affiliation_strings":["Earth Observation Center, The German Aerospace Center, Wessling, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Earth Observation Center, The German Aerospace Center, Wessling, Germany","institution_ids":["https://openalex.org/I2898391981"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5093249747","display_name":"Stephan G\u00f6tzer","orcid":null},"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":"Stephan G\u00f6tzer","raw_affiliation_strings":["Department of Aerospace and Geodesy, Technical University of Munich, Ottobrunn, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Aerospace and Geodesy, Technical University of Munich, Ottobrunn, Germany","institution_ids":["https://openalex.org/I62916508"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047914604","display_name":"Torsten Riedlinger","orcid":"https://orcid.org/0000-0003-3836-614X"},"institutions":[{"id":"https://openalex.org/I2898391981","display_name":"Deutsches Zentrum f\u00fcr Luft- und Raumfahrt e. V. (DLR)","ror":"https://ror.org/04bwf3e34","country_code":"DE","type":"facility","lineage":["https://openalex.org/I1305996414","https://openalex.org/I2898391981"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Torsten Riedlinger","raw_affiliation_strings":["Earth Observation Center, The German Aerospace Center, Wessling, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Earth Observation Center, The German Aerospace Center, Wessling, Germany","institution_ids":["https://openalex.org/I2898391981"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5046449632","display_name":"Hannes Taubenb\u00f6ck","orcid":"https://orcid.org/0000-0003-4360-9126"},"institutions":[{"id":"https://openalex.org/I25974101","display_name":"University of W\u00fcrzburg","ror":"https://ror.org/00fbnyb24","country_code":"DE","type":"education","lineage":["https://openalex.org/I25974101"]},{"id":"https://openalex.org/I2898391981","display_name":"Deutsches Zentrum f\u00fcr Luft- und Raumfahrt e. V. (DLR)","ror":"https://ror.org/04bwf3e34","country_code":"DE","type":"facility","lineage":["https://openalex.org/I1305996414","https://openalex.org/I2898391981"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Hannes Taubenb\u00f6ck","raw_affiliation_strings":["Earth Observation Center, The German Aerospace Center, Wessling, Germany","Institute of Geography and Geology, University of W\u00fcrzburg, W\u00fcrzburg, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Earth Observation Center, The German Aerospace Center, Wessling, Germany","institution_ids":["https://openalex.org/I2898391981"]},{"raw_affiliation_string":"Institute of Geography and Geology, University of W\u00fcrzburg, W\u00fcrzburg, Germany","institution_ids":["https://openalex.org/I25974101"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5061393594"],"corresponding_institution_ids":["https://openalex.org/I4210162756"],"apc_list":{"value":2390,"currency":"USD","value_usd":2390},"apc_paid":{"value":2520,"currency":"EUR","value_usd":2717},"fwci":2.7463,"has_fulltext":true,"cited_by_count":6,"citation_normalized_percentile":{"value":0.90506243,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":98},"biblio":{"volume":"16","issue":"2","first_page":"4601","last_page":"4620"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11121","display_name":"Public Relations and Crisis Communication","score":0.9972000122070312,"subfield":{"id":"https://openalex.org/subfields/3315","display_name":"Communication"},"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/T11121","display_name":"Public Relations and Crisis Communication","score":0.9972000122070312,"subfield":{"id":"https://openalex.org/subfields/3315","display_name":"Communication"},"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/T10747","display_name":"Disaster Management and Resilience","score":0.9789999723434448,"subfield":{"id":"https://openalex.org/subfields/3312","display_name":"Sociology and Political Science"},"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/T10757","display_name":"Geographic Information Systems Studies","score":0.9699000120162964,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6493958234786987},{"id":"https://openalex.org/keywords/filter","display_name":"Filter (signal processing)","score":0.5647373795509338},{"id":"https://openalex.org/keywords/thematic-map","display_name":"Thematic map","score":0.5044149160385132},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.501312255859375},{"id":"https://openalex.org/keywords/event","display_name":"Event (particle physics)","score":0.45566290616989136},{"id":"https://openalex.org/keywords/data-science","display_name":"Data science","score":0.45224225521087646},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.4350183606147766},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.24975985288619995},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.18203142285346985},{"id":"https://openalex.org/keywords/cartography","display_name":"Cartography","score":0.10087013244628906}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6493958234786987},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.5647373795509338},{"id":"https://openalex.org/C93692415","wikidata":"https://www.wikidata.org/wiki/Q1502030","display_name":"Thematic map","level":2,"score":0.5044149160385132},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.501312255859375},{"id":"https://openalex.org/C2779662365","wikidata":"https://www.wikidata.org/wiki/Q5416694","display_name":"Event (particle physics)","level":2,"score":0.45566290616989136},{"id":"https://openalex.org/C2522767166","wikidata":"https://www.wikidata.org/wiki/Q2374463","display_name":"Data science","level":1,"score":0.45224225521087646},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.4350183606147766},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.24975985288619995},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.18203142285346985},{"id":"https://openalex.org/C58640448","wikidata":"https://www.wikidata.org/wiki/Q42515","display_name":"Cartography","level":1,"score":0.10087013244628906},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"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/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1080/17538947.2023.2278714","is_oa":true,"landing_page_url":"https://doi.org/10.1080/17538947.2023.2278714","pdf_url":"https://www.tandfonline.com/doi/pdf/10.1080/17538947.2023.2278714?needAccess=true","source":{"id":"https://openalex.org/S199162493","display_name":"International Journal of Digital Earth","issn_l":"1753-8947","issn":["1753-8947","1753-8955"],"is_oa":true,"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":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Digital Earth","raw_type":"journal-article"},{"id":"pmh:oai:elib.dlr.de:199289","is_oa":true,"landing_page_url":"https://doi.org/10.1080/17538947.2023.2278714>.","pdf_url":"https://elib.dlr.de/199289/1/Detecting%20crisis%20events%20from%20unstructured%20text%20data%20using%20signal%20words%20as%20crisis%20determinants.pdf","source":{"id":"https://openalex.org/S4377196266","display_name":"elib (German Aerospace Center)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I2898391981","host_organization_name":"Deutsches Zentrum f\u00fcr Luft- und Raumfahrt e. V. (DLR)","host_organization_lineage":["https://openalex.org/I2898391981"],"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":"PeerReviewed"},{"id":"pmh:oai:doaj.org/article:94b24629d6744af4814fcc449fdf7fae","is_oa":true,"landing_page_url":"https://doaj.org/article/94b24629d6744af4814fcc449fdf7fae","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":"International Journal of Digital Earth, Vol 16, Iss 2, Pp 4601-4620 (2023)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1080/17538947.2023.2278714","is_oa":true,"landing_page_url":"https://doi.org/10.1080/17538947.2023.2278714","pdf_url":"https://www.tandfonline.com/doi/pdf/10.1080/17538947.2023.2278714?needAccess=true","source":{"id":"https://openalex.org/S199162493","display_name":"International Journal of Digital Earth","issn_l":"1753-8947","issn":["1753-8947","1753-8955"],"is_oa":true,"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":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Digital Earth","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Climate action","id":"https://metadata.un.org/sdg/13","score":0.800000011920929}],"awards":[],"funders":[{"id":"https://openalex.org/F4320321602","display_name":"Deutsches Zentrum f\u00fcr Luft- und Raumfahrt","ror":"https://ror.org/04bwf3e34"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4388615971.pdf","grobid_xml":"https://content.openalex.org/works/W4388615971.grobid-xml"},"referenced_works_count":43,"referenced_works":["https://openalex.org/W46636081","https://openalex.org/W1674341355","https://openalex.org/W1963905736","https://openalex.org/W2037244798","https://openalex.org/W2068512396","https://openalex.org/W2108208987","https://openalex.org/W2164631912","https://openalex.org/W2166069449","https://openalex.org/W2251955066","https://openalex.org/W2299239789","https://openalex.org/W2402454488","https://openalex.org/W2412667021","https://openalex.org/W2472490454","https://openalex.org/W2574435447","https://openalex.org/W2619599536","https://openalex.org/W2728951081","https://openalex.org/W2754270114","https://openalex.org/W2764289230","https://openalex.org/W2769559752","https://openalex.org/W2791366336","https://openalex.org/W2793109577","https://openalex.org/W2805219339","https://openalex.org/W2884504790","https://openalex.org/W2896443452","https://openalex.org/W2899136360","https://openalex.org/W2922207040","https://openalex.org/W2946542219","https://openalex.org/W2963261224","https://openalex.org/W2989078043","https://openalex.org/W2994306952","https://openalex.org/W2999813724","https://openalex.org/W3015255253","https://openalex.org/W3021743785","https://openalex.org/W3031621449","https://openalex.org/W3046730737","https://openalex.org/W3126965705","https://openalex.org/W3150521545","https://openalex.org/W4212867045","https://openalex.org/W4233787372","https://openalex.org/W4244442216","https://openalex.org/W4360765052","https://openalex.org/W4366772264","https://openalex.org/W6601493206"],"related_works":["https://openalex.org/W2291311298","https://openalex.org/W2378021067","https://openalex.org/W2347703439","https://openalex.org/W2371027582","https://openalex.org/W2076654158","https://openalex.org/W2362328851","https://openalex.org/W2366119473","https://openalex.org/W2372311246","https://openalex.org/W2368605609","https://openalex.org/W2377299073"],"abstract_inverted_index":{"Earth":[0],"observation":[1],"data":[2,63,68,88,127,171],"provides":[3],"valuable":[4],"information":[5,14],"and":[6,47,69,78,165],"support":[7],"along":[8],"the":[9,24,51,82,90,108,119,162,177,181],"disaster":[10],"management":[11],"cycle.":[12],"However,":[13,81],"from":[15,54],"satellite":[16],"remote":[17,55],"sensing":[18,56],"is":[19,89,93,104],"often":[20,122],"not":[21],"available":[22],"in":[23,124,196],"first":[25],"hours":[26],"a":[27,141,190],"crisis":[28,182],"occurs,":[29],"due":[30],"to":[31,50,66,117,135,143,160,175,192],"several":[32],"reasons,":[33,102],"e.g.":[34],"pre-defined":[35],"acquisition":[36],"times,":[37],"cloud":[38],"coverage,":[39],"downlink":[40],"capacities.":[41],"To":[42],"fill":[43],"this":[44,103],"time":[45],"gap":[46],"add":[48],"value":[49],"incoming":[52],"results":[53],"data,":[57,120],"ancillary":[58],"datasets":[59],"such":[60],"as":[61,189],"Twitter":[62,87,163],"become":[64],"useful":[65],"enrich":[67],"get":[70],"insights":[71],"into":[72,95],"events":[73,195],"by":[74,97,107],"leveraging":[75],"their":[76],"spatio-temporal":[77],"thematic":[79],"references.":[80],"main":[83],"disadvantage":[84],"of":[85,110,180,198],"using":[86,129],"noise":[91],"that":[92,114,121,149],"introduced":[94],"analyses":[96],"these":[98],"data.":[99,169],"Among":[100],"other":[101],"mainly":[105],"caused":[106],"use":[109],"insignificant":[111,130],"search":[112],"criteria":[113],"are":[115,150,172,187],"used":[116,152,174],"harvest":[118],"result":[123],"irrelevant,":[125],"noisy":[126],"(e.g.":[128],"keywords":[131],"or":[132],"incorrect":[133],"geotags":[134],"filter":[136,161],"data).":[137],"This":[138],"paper":[139],"presents":[140],"method":[142],"identify":[144],"crisis-event":[145,167],"specific":[146,168],"signal":[147],"words,":[148],"then":[151,173],"together":[153],"with":[154],"Part":[155],"Of":[156],"Speech":[157],"(POS)":[158],"tagging":[159],"streams,":[164],"gather":[166],"These":[170],"estimate":[176],"location":[178],"hotspots":[179],"events.":[183],"The":[184],"developed":[185],"methods":[186],"applied":[188],"proof-of-concept":[191],"determine":[193],"flood":[194],"May":[197],"2022":[199],".":[200]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":2}],"updated_date":"2026-05-19T08:33:51.333923","created_date":"2025-10-10T00:00:00"}