{"id":"https://openalex.org/W3035675733","doi":"https://doi.org/10.1109/access.2020.3001072","title":"ST-ETM: A Spatial-Temporal Emergency Topic Model for Public Opinion Identifying in Social Networks","display_name":"ST-ETM: A Spatial-Temporal Emergency Topic Model for Public Opinion Identifying in Social Networks","publication_year":2020,"publication_date":"2020-01-01","ids":{"openalex":"https://openalex.org/W3035675733","doi":"https://doi.org/10.1109/access.2020.3001072","mag":"3035675733"},"language":"en","primary_location":{"id":"doi:10.1109/access.2020.3001072","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2020.3001072","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8948470/09112208.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://ieeexplore.ieee.org/ielx7/6287639/8948470/09112208.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5102950870","display_name":"Lili Dai","orcid":"https://orcid.org/0000-0002-8479-5861"},"institutions":[{"id":"https://openalex.org/I132210918","display_name":"North China Institute of Science and Technology","ror":"https://ror.org/0096c7651","country_code":"CN","type":"education","lineage":["https://openalex.org/I132210918"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Lili Dai","raw_affiliation_strings":["School of Literature and Law, North China Institute of Science and Technology, Beijing, China"],"affiliations":[{"raw_affiliation_string":"School of Literature and Law, North China Institute of Science and Technology, Beijing, China","institution_ids":["https://openalex.org/I132210918"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101799347","display_name":"Hongwei Wang","orcid":"https://orcid.org/0000-0003-1601-2711"},"institutions":[{"id":"https://openalex.org/I177739611","display_name":"Yangtze University","ror":"https://ror.org/05bhmhz54","country_code":"CN","type":"education","lineage":["https://openalex.org/I177739611"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hongwei Wang","raw_affiliation_strings":["School of Computer Science, Yangtze University, Jingzhou, China"],"affiliations":[{"raw_affiliation_string":"School of Computer Science, Yangtze University, Jingzhou, China","institution_ids":["https://openalex.org/I177739611"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101469909","display_name":"Xia Liu","orcid":"https://orcid.org/0000-0002-5682-0521"},"institutions":[{"id":"https://openalex.org/I18452120","display_name":"Yantai University","ror":"https://ror.org/01rp41m56","country_code":"CN","type":"education","lineage":["https://openalex.org/I18452120"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xia Liu","raw_affiliation_strings":["School of Opto-electronic Information Science and Technology, Yantai University, Yantai, China"],"affiliations":[{"raw_affiliation_string":"School of Opto-electronic Information Science and Technology, Yantai University, Yantai, China","institution_ids":["https://openalex.org/I18452120"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5102950870"],"corresponding_institution_ids":["https://openalex.org/I132210918"],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":0.533,"has_fulltext":true,"cited_by_count":4,"citation_normalized_percentile":{"value":0.63324447,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"8","issue":null,"first_page":"125659","last_page":"125670"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10064","display_name":"Complex Network Analysis Techniques","score":0.9983999729156494,"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":0.9983999729156494,"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/T11550","display_name":"Text and Document Classification Technologies","score":0.9803000092506409,"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/T12592","display_name":"Opinion Dynamics and Social Influence","score":0.9761999845504761,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7734060883522034},{"id":"https://openalex.org/keywords/data-science","display_name":"Data science","score":0.6273057460784912},{"id":"https://openalex.org/keywords/public-opinion","display_name":"Public opinion","score":0.6121525168418884},{"id":"https://openalex.org/keywords/construct","display_name":"Construct (python library)","score":0.5721312761306763},{"id":"https://openalex.org/keywords/social-network","display_name":"Social network (sociolinguistics)","score":0.5640740990638733},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.5229659676551819},{"id":"https://openalex.org/keywords/burstiness","display_name":"Burstiness","score":0.5100412964820862},{"id":"https://openalex.org/keywords/social-media","display_name":"Social media","score":0.5070710182189941},{"id":"https://openalex.org/keywords/social-network-analysis","display_name":"Social network analysis","score":0.4426797926425934},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.3491887152194977},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.3253980875015259},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3203394114971161},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.255249559879303},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.11262246966362},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.09061390161514282}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7734060883522034},{"id":"https://openalex.org/C2522767166","wikidata":"https://www.wikidata.org/wiki/Q2374463","display_name":"Data science","level":1,"score":0.6273057460784912},{"id":"https://openalex.org/C134698397","wikidata":"https://www.wikidata.org/wiki/Q17946","display_name":"Public opinion","level":3,"score":0.6121525168418884},{"id":"https://openalex.org/C2780801425","wikidata":"https://www.wikidata.org/wiki/Q5164392","display_name":"Construct (python library)","level":2,"score":0.5721312761306763},{"id":"https://openalex.org/C4727928","wikidata":"https://www.wikidata.org/wiki/Q17164759","display_name":"Social network (sociolinguistics)","level":3,"score":0.5640740990638733},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.5229659676551819},{"id":"https://openalex.org/C2781023610","wikidata":"https://www.wikidata.org/wiki/Q17006304","display_name":"Burstiness","level":3,"score":0.5100412964820862},{"id":"https://openalex.org/C518677369","wikidata":"https://www.wikidata.org/wiki/Q202833","display_name":"Social media","level":2,"score":0.5070710182189941},{"id":"https://openalex.org/C114713312","wikidata":"https://www.wikidata.org/wiki/Q7551269","display_name":"Social network analysis","level":3,"score":0.4426797926425934},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.3491887152194977},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.3253980875015259},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3203394114971161},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.255249559879303},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.11262246966362},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.09061390161514282},{"id":"https://openalex.org/C158379750","wikidata":"https://www.wikidata.org/wiki/Q214111","display_name":"Network packet","level":2,"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/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","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/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0},{"id":"https://openalex.org/C94625758","wikidata":"https://www.wikidata.org/wiki/Q7163","display_name":"Politics","level":2,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/access.2020.3001072","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2020.3001072","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8948470/09112208.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:7c9ed0ea4ff84720887e634ce5d3055f","is_oa":true,"landing_page_url":"https://doaj.org/article/7c9ed0ea4ff84720887e634ce5d3055f","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 8, Pp 125659-125670 (2020)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2020.3001072","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2020.3001072","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8948470/09112208.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Peace, Justice and strong institutions","score":0.5400000214576721,"id":"https://metadata.un.org/sdg/16"}],"awards":[{"id":"https://openalex.org/G1381515933","display_name":null,"funder_award_id":"2019M660564","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"},{"id":"https://openalex.org/G2376276132","display_name":null,"funder_award_id":"China","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"},{"id":"https://openalex.org/G3121898234","display_name":null,"funder_award_id":"3142017007","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"},{"id":"https://openalex.org/G3994006755","display_name":null,"funder_award_id":"WL19B52","funder_id":"https://openalex.org/F4320310927","funder_display_name":"Yantai University"},{"id":"https://openalex.org/G7001516894","display_name":null,"funder_award_id":"2019M6","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"},{"id":"https://openalex.org/G7752873037","display_name":null,"funder_award_id":"2019M66","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"},{"id":"https://openalex.org/G8951484681","display_name":null,"funder_award_id":"Grant","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"}],"funders":[{"id":"https://openalex.org/F4320310927","display_name":"Yantai University","ror":"https://ror.org/01rp41m56"},{"id":"https://openalex.org/F4320321543","display_name":"China Postdoctoral Science Foundation","ror":"https://ror.org/0426zh255"},{"id":"https://openalex.org/F4320335787","display_name":"Fundamental Research Funds for the Central Universities","ror":null},{"id":"https://openalex.org/F4320335869","display_name":"National Social Science Fund of China","ror":null}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3035675733.pdf","grobid_xml":"https://content.openalex.org/works/W3035675733.grobid-xml"},"referenced_works_count":50,"referenced_works":["https://openalex.org/W232057064","https://openalex.org/W1774499654","https://openalex.org/W1983719983","https://openalex.org/W2001082470","https://openalex.org/W2008607062","https://openalex.org/W2010576059","https://openalex.org/W2011430131","https://openalex.org/W2048195127","https://openalex.org/W2130339025","https://openalex.org/W2163867371","https://openalex.org/W2168400688","https://openalex.org/W2294978630","https://openalex.org/W2339514589","https://openalex.org/W2340339255","https://openalex.org/W2579348194","https://openalex.org/W2595177560","https://openalex.org/W2612560394","https://openalex.org/W2616881109","https://openalex.org/W2741307002","https://openalex.org/W2763211776","https://openalex.org/W2769470112","https://openalex.org/W2789429023","https://openalex.org/W2828486017","https://openalex.org/W2895469165","https://openalex.org/W2898704779","https://openalex.org/W2905234665","https://openalex.org/W2911815954","https://openalex.org/W2938580148","https://openalex.org/W2946517734","https://openalex.org/W2946762810","https://openalex.org/W2950142754","https://openalex.org/W2962686197","https://openalex.org/W2964268484","https://openalex.org/W2964405698","https://openalex.org/W2966969968","https://openalex.org/W2967411808","https://openalex.org/W2970507669","https://openalex.org/W2971288699","https://openalex.org/W2979223698","https://openalex.org/W2994917472","https://openalex.org/W2996478248","https://openalex.org/W2996487878","https://openalex.org/W2997586231","https://openalex.org/W3123716038","https://openalex.org/W6609060496","https://openalex.org/W6639619044","https://openalex.org/W6679482899","https://openalex.org/W6748986372","https://openalex.org/W6755214373","https://openalex.org/W6766760092"],"related_works":["https://openalex.org/W2952662149","https://openalex.org/W2793616590","https://openalex.org/W2183090405","https://openalex.org/W2075666982","https://openalex.org/W2065835655","https://openalex.org/W3160699245","https://openalex.org/W2782955270","https://openalex.org/W2349928170","https://openalex.org/W1594712698","https://openalex.org/W2499535628"],"abstract_inverted_index":{"With":[0],"the":[1,31,93,104,108,133,136,142,173,182,185],"development":[2],"and":[3,10,14,28,60,116,144],"popularization":[4],"of":[5,24,34,36,50,111,135,175,184],"social":[6,18,47,54,86,114,157],"networks,":[7],"many":[8],"users":[9],"authoritative":[11],"media":[12],"broach":[13],"share":[15],"topics":[16,35,45,84,155],"through":[17],"networks":[19,48,115],"every":[20],"day.":[21],"This":[22],"type":[23],"sharing":[25],"is":[26,29,49],"widespread":[27],"sometimes":[30],"first":[32],"communication":[33],"public":[37,43,82,121,128,153],"discussion.":[38],"Therefore,":[39],"research":[40],"on":[41,46,102,120,160],"identifying":[42],"opinion":[44,83,122,129,154],"great":[51],"significance.":[52],"However,":[53],"network":[55],"posts":[56],"are":[57,148,169],"short,":[58],"sparse":[59],"noisy,":[61],"which":[62],"creates":[63],"challenges":[64],"for":[65,100],"this":[66],"research.":[67],"To":[68],"overcome":[69],"these":[70],"challenges,":[71],"we":[72,131],"propose":[73],"a":[74,139,161],"spatial-temporal":[75,90,98],"emergency":[76],"topic":[77,94],"model":[78,95],"(ST-ETM)":[79],"to":[80,96,125,150,171],"identify":[81,127,152],"in":[85,113,118,141,156],"networks.":[87,158],"By":[88],"introducing":[89],"features":[91],"into":[92],"construct":[97],"regions":[99],"focusing":[101,119],"topics,":[103,130],"ST-ETM":[105,187],"can":[106],"alleviate":[107],"sparsity":[109],"problem":[110],"context":[112],"succeed":[117],"topics.":[123],"Moreover,":[124],"automatically":[126,151],"introduce":[132],"burstiness":[134],"words":[137],"as":[138],"priori":[140],"model,":[143],"binary":[145],"switch":[146],"variables":[147],"combined":[149],"Based":[159],"real":[162],"Sina":[163],"Weibo":[164],"dataset,":[165],"several":[166],"comparative":[167],"experiments":[168],"designed":[170],"evaluate":[172],"performance":[174],"our":[176],"ST-ETM.":[177],"The":[178],"experimental":[179],"results":[180],"verify":[181],"effectiveness":[183],"proposed":[186],"method.":[188]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":1}],"updated_date":"2026-04-10T15:06:20.359241","created_date":"2025-10-10T00:00:00"}