{"id":"https://openalex.org/W2563084763","doi":"https://doi.org/10.1504/ijahuc.2017.10001956","title":"Crowdsourcing based Timeline Description of Urban Emergency Events using Social Media","display_name":"Crowdsourcing based Timeline Description of Urban Emergency Events using Social Media","publication_year":2016,"publication_date":"2016-12-13","ids":{"openalex":"https://openalex.org/W2563084763","doi":"https://doi.org/10.1504/ijahuc.2017.10001956","mag":"2563084763"},"language":"en","primary_location":{"id":"doi:10.1504/ijahuc.2017.10001956","is_oa":false,"landing_page_url":"https://doi.org/10.1504/ijahuc.2017.10001956","pdf_url":null,"source":{"id":"https://openalex.org/S97070762","display_name":"International Journal of Ad Hoc and Ubiquitous Computing","issn_l":"1743-8225","issn":["1743-8225","1743-8233"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Ad Hoc and Ubiquitous Computing","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/A5037237895","display_name":"Zheng Xu","orcid":"https://orcid.org/0000-0002-8362-5991"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]},{"id":"https://openalex.org/I1302611135","display_name":"Ministry of Public Security of the People's Republic of China","ror":"https://ror.org/00bt9we26","country_code":"CN","type":"government","lineage":["https://openalex.org/I1302611135"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Zheng Xu","raw_affiliation_strings":["The Third Research Institute of the Ministry of Public Security, Shanghai, 201142, China; Tsinghua University, Beijing, China","The Third Research Institute of the Ministry of Public Security, Shanghai, 201142, China","Tsinghua University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"The Third Research Institute of the Ministry of Public Security, Shanghai, 201142, China; Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I1302611135"]},{"raw_affiliation_string":"The Third Research Institute of the Ministry of Public Security, Shanghai, 201142, China","institution_ids":["https://openalex.org/I1302611135"]},{"raw_affiliation_string":"Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5037237895"],"corresponding_institution_ids":["https://openalex.org/I1302611135","https://openalex.org/I99065089"],"apc_list":null,"apc_paid":null,"fwci":1.9885,"has_fulltext":false,"cited_by_count":11,"citation_normalized_percentile":{"value":0.87580118,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"25","issue":"1/2","first_page":"1","last_page":"1"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10064","display_name":"Complex Network Analysis Techniques","score":0.9976000189781189,"subfield":{"id":"https://openalex.org/subfields/3109","display_name":"Statistical and Nonlinear Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10064","display_name":"Complex Network Analysis Techniques","score":0.9976000189781189,"subfield":{"id":"https://openalex.org/subfields/3109","display_name":"Statistical and Nonlinear Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13083","display_name":"Advanced Text Analysis Techniques","score":0.9965999722480774,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T11980","display_name":"Human Mobility and Location-Based Analysis","score":0.9904000163078308,"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/timeline","display_name":"Timeline","score":0.9620592594146729},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8082205653190613},{"id":"https://openalex.org/keywords/crowdsourcing","display_name":"Crowdsourcing","score":0.8043851852416992},{"id":"https://openalex.org/keywords/social-media","display_name":"Social media","score":0.7087669968605042},{"id":"https://openalex.org/keywords/event","display_name":"Event (particle physics)","score":0.5747162103652954},{"id":"https://openalex.org/keywords/data-science","display_name":"Data science","score":0.5281797647476196},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.5179283022880554},{"id":"https://openalex.org/keywords/the-internet","display_name":"The Internet","score":0.5116296410560608},{"id":"https://openalex.org/keywords/mashup","display_name":"Mashup","score":0.505648136138916},{"id":"https://openalex.org/keywords/task","display_name":"Task (project management)","score":0.45336419343948364},{"id":"https://openalex.org/keywords/emergency-management","display_name":"Emergency management","score":0.4291006326675415},{"id":"https://openalex.org/keywords/popularity","display_name":"Popularity","score":0.413668692111969},{"id":"https://openalex.org/keywords/web-2.0","display_name":"Web 2.0","score":0.15546023845672607},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.12269783020019531}],"concepts":[{"id":"https://openalex.org/C4438859","wikidata":"https://www.wikidata.org/wiki/Q186117","display_name":"Timeline","level":2,"score":0.9620592594146729},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8082205653190613},{"id":"https://openalex.org/C62230096","wikidata":"https://www.wikidata.org/wiki/Q275969","display_name":"Crowdsourcing","level":2,"score":0.8043851852416992},{"id":"https://openalex.org/C518677369","wikidata":"https://www.wikidata.org/wiki/Q202833","display_name":"Social media","level":2,"score":0.7087669968605042},{"id":"https://openalex.org/C2779662365","wikidata":"https://www.wikidata.org/wiki/Q5416694","display_name":"Event (particle physics)","level":2,"score":0.5747162103652954},{"id":"https://openalex.org/C2522767166","wikidata":"https://www.wikidata.org/wiki/Q2374463","display_name":"Data science","level":1,"score":0.5281797647476196},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.5179283022880554},{"id":"https://openalex.org/C110875604","wikidata":"https://www.wikidata.org/wiki/Q75","display_name":"The Internet","level":2,"score":0.5116296410560608},{"id":"https://openalex.org/C196126337","wikidata":"https://www.wikidata.org/wiki/Q821080","display_name":"Mashup","level":4,"score":0.505648136138916},{"id":"https://openalex.org/C2780451532","wikidata":"https://www.wikidata.org/wiki/Q759676","display_name":"Task (project management)","level":2,"score":0.45336419343948364},{"id":"https://openalex.org/C62555980","wikidata":"https://www.wikidata.org/wiki/Q1460420","display_name":"Emergency management","level":2,"score":0.4291006326675415},{"id":"https://openalex.org/C2780586970","wikidata":"https://www.wikidata.org/wiki/Q1357284","display_name":"Popularity","level":2,"score":0.413668692111969},{"id":"https://openalex.org/C136699151","wikidata":"https://www.wikidata.org/wiki/Q131164","display_name":"Web 2.0","level":3,"score":0.15546023845672607},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.12269783020019531},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.0},{"id":"https://openalex.org/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","level":1,"score":0.0},{"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/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C187736073","wikidata":"https://www.wikidata.org/wiki/Q2920921","display_name":"Management","level":1,"score":0.0},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0},{"id":"https://openalex.org/C77805123","wikidata":"https://www.wikidata.org/wiki/Q161272","display_name":"Social psychology","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1504/ijahuc.2017.10001956","is_oa":false,"landing_page_url":"https://doi.org/10.1504/ijahuc.2017.10001956","pdf_url":null,"source":{"id":"https://openalex.org/S97070762","display_name":"International Journal of Ad Hoc and Ubiquitous Computing","issn_l":"1743-8225","issn":["1743-8225","1743-8233"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Ad Hoc and Ubiquitous Computing","raw_type":"journal-article"},{"id":"pmh:oai:opus.lib.uts.edu.au:10453/100186","is_oa":false,"landing_page_url":"http://hdl.handle.net/10453/100186","pdf_url":null,"source":{"id":"https://openalex.org/S4306401357","display_name":"UTS ePRESS (University of Technology Sydney)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I114017466","host_organization_name":"University of Technology Sydney","host_organization_lineage":["https://openalex.org/I114017466"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Sustainable cities and communities","score":0.8600000143051147,"id":"https://metadata.un.org/sdg/11"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":32,"referenced_works":["https://openalex.org/W15879234","https://openalex.org/W80690057","https://openalex.org/W966560633","https://openalex.org/W1594112393","https://openalex.org/W1612060419","https://openalex.org/W1971402834","https://openalex.org/W1983449636","https://openalex.org/W1983963795","https://openalex.org/W1995246960","https://openalex.org/W2003244134","https://openalex.org/W2009260473","https://openalex.org/W2015186536","https://openalex.org/W2018277822","https://openalex.org/W2029730200","https://openalex.org/W2040466507","https://openalex.org/W2048077185","https://openalex.org/W2054917960","https://openalex.org/W2070722606","https://openalex.org/W2094083682","https://openalex.org/W2117788706","https://openalex.org/W2118480788","https://openalex.org/W2124499489","https://openalex.org/W2128100639","https://openalex.org/W2141081215","https://openalex.org/W2141403143","https://openalex.org/W2163409259","https://openalex.org/W2164613440","https://openalex.org/W2166202924","https://openalex.org/W2167124955","https://openalex.org/W2167978925","https://openalex.org/W2171468534","https://openalex.org/W2179235432"],"related_works":["https://openalex.org/W2114034199","https://openalex.org/W1979750243","https://openalex.org/W2734259032","https://openalex.org/W2317428717","https://openalex.org/W3032998312","https://openalex.org/W4285419582","https://openalex.org/W2724337900","https://openalex.org/W2369632790","https://openalex.org/W4288851522","https://openalex.org/W3209091048"],"abstract_inverted_index":{"Crowdsourcing":[0],"is":[1,54,79,90,105],"a":[2,44],"newly":[3],"emerging":[4,42],"service":[5],"platform":[6,46],"and":[7,14,23,49,132,138],"business":[8],"model":[9,128],"in":[10,60,107,135],"the":[11,32,64,71,82,96,100,118,126,136],"Internet.":[12],"Analysis":[13],"description":[15,77,139],"about":[16],"urban":[17,68,87,141],"emergency":[18,69,88,142],"events,":[19,70],"e.g.,":[20],"fires,":[21],"storms":[22],"traffic":[24],"jams":[25],"are":[26,40,114],"of":[27,34,51,66,85,140],"great":[28],"importance":[29],"to":[30,62,116],"protect":[31],"security":[33],"humans.":[35],"Recently,":[36],"social":[37],"media":[38],"feeds":[39],"rapidly":[41],"as":[43],"novel":[45],"for":[47],"providing":[48],"dissemination":[50],"information":[52,84,104],"that":[53],"often":[55],"geographic.":[56],"In":[57],"this":[58,108],"paper,":[59],"order":[61],"describe":[63],"timeline":[65,76],"real-time":[67],"new":[72],"web":[73],"mining":[74],"task":[75],"(TD)":[78],"proposed.":[80],"Firstly,":[81],"related":[83],"an":[86],"event":[89],"extracted":[91],"from":[92],"Weibo":[93],"messages.":[94],"Secondly,":[95],"valid":[97,112],"message":[98],"including":[99],"semantic":[101],"or":[102],"spatial":[103],"detected":[106,111],"step.":[109],"Thirdly,":[110],"messages":[113],"used":[115],"build":[117],"TD.":[119],"Case":[120],"studies":[121],"on":[122],"real":[123],"datasets":[124],"show":[125],"proposed":[127],"has":[129],"good":[130],"performance":[131],"high":[133],"effectiveness":[134],"analysis":[137],"events.":[143]},"counts_by_year":[{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":4}],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}