{"id":"https://openalex.org/W2042467140","doi":"https://doi.org/10.1155/2013/903765","title":"Two Applications of Clustering Techniques to Twitter: Community Detection and Issue Extraction","display_name":"Two Applications of Clustering Techniques to Twitter: Community Detection and Issue Extraction","publication_year":2013,"publication_date":"2013-01-01","ids":{"openalex":"https://openalex.org/W2042467140","doi":"https://doi.org/10.1155/2013/903765","mag":"2042467140"},"language":"en","primary_location":{"id":"doi:10.1155/2013/903765","doi":"https://doi.org/10.1155/2013/903765","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2013/903765","pdf_url":"https://downloads.hindawi.com/journals/ddns/2013/903765.pdf","source":{"id":"https://openalex.org/S130298280","display_name":"Discrete Dynamics in Nature and Society","issn_l":"1026-0226","issn":["1026-0226","1607-887X"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-d","jufo-1","ki-jl-1","norway-1","poland-40","russia-white-list-2"],"host_organization":"https://openalex.org/P4310319869","host_organization_name":"Hindawi Publishing Corporation","host_organization_lineage":["https://openalex.org/P4310319869","https://openalex.org/P4310320595"],"host_organization_lineage_names":["Hindawi Publishing Corporation","Wiley"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Discrete Dynamics in Nature and Society","raw_type":"journal-article"},"parent_works":[],"lineage":["https://openalex.org/W2042467140"],"child_works_count":0,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://downloads.hindawi.com/journals/ddns/2013/903765.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5046031351","display_name":"Yong-Hyuk Kim","orcid":"https://orcid.org/0000-0002-0492-0889","observed_orcids":["https://orcid.org/0000-0002-0492-0889"]},"institutions":[{"id":"https://openalex.org/I161024014","display_name":"Kwangwoon University","ror":"https://ror.org/02e9zc863","country_code":"KR","type":"education","lineage":["https://openalex.org/I161024014"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Yong-Hyuk Kim","raw_affiliation_strings":["Department of Computer Science and Engineering, Kwangwoon University, 20 Kwangwoon-ro, Nowon-gu, Seoul 139-701, Republic of Korea"],"raw_orcid":"https://orcid.org/0000-0002-0492-0889","affiliations":[{"raw_affiliation_string":"Department of Computer Science and Engineering, Kwangwoon University, 20 Kwangwoon-ro, Nowon-gu, Seoul 139-701, Republic of Korea","institution_ids":["https://openalex.org/I161024014"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5073847501","display_name":"Sehoon Seo","orcid":"https://orcid.org/0000-0002-8229-0472","observed_orcids":["https://orcid.org/0000-0002-8229-0472"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Sehoon Seo","raw_affiliation_strings":["Tmaxsoft, Bundang-gu, Seongnam-si, Gyeonggi-do 463-824, Republic of Korea"],"raw_orcid":"https://orcid.org/0000-0002-8229-0472","affiliations":[{"raw_affiliation_string":"Tmaxsoft, Bundang-gu, Seongnam-si, Gyeonggi-do 463-824, Republic of Korea","institution_ids":[]}]},{"author_position":"middle","author":{"id":null,"display_name":"Yong-Ho Ha","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Yong-Ho Ha","raw_affiliation_strings":["SK Telecom, Jung-gu, Seoul 100-999, Republic of Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"SK Telecom, Jung-gu, Seoul 100-999, Republic of Korea","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5056421925","display_name":"seongwon lim","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I161024014","display_name":"Kwangwoon University","ror":"https://ror.org/02e9zc863","country_code":"KR","type":"education","lineage":["https://openalex.org/I161024014"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Seongwon Lim","raw_affiliation_strings":["Department of Computer Science and Engineering, Kwangwoon University, 20 Kwangwoon-ro, Nowon-gu, Seoul 139-701, Republic of Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Engineering, Kwangwoon University, 20 Kwangwoon-ro, Nowon-gu, Seoul 139-701, Republic of Korea","institution_ids":["https://openalex.org/I161024014"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5006119424","display_name":"Yourim Yoon","orcid":"https://orcid.org/0000-0001-5875-0275","observed_orcids":["https://orcid.org/0000-0001-5875-0275"]},"institutions":[{"id":"https://openalex.org/I4210131320","display_name":"LG (South Korea)","ror":"https://ror.org/03ddh2c27","country_code":"KR","type":"company","lineage":["https://openalex.org/I4210131320"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Yourim Yoon","raw_affiliation_strings":["Future IT R&D Laboratory, LG Electronics Umyeon R&D Campus, 38 Baumoe-ro, Seocho-gu, Seoul 137-724, Republic of Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Future IT R&D Laboratory, LG Electronics Umyeon R&D Campus, 38 Baumoe-ro, Seocho-gu, Seoul 137-724, Republic of Korea","institution_ids":["https://openalex.org/I4210131320"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5006119424"],"corresponding_institution_ids":["https://openalex.org/I4210131320"],"apc_list":{"value":2570,"currency":"USD","value_usd":2570},"apc_paid":{"value":2570,"currency":"USD","value_usd":2570},"fwci":1.2567,"has_fulltext":true,"cited_by_count":24,"citation_normalized_percentile":{"value":0.77319321,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":87,"max":98},"biblio":{"volume":"2013","issue":null,"first_page":"1","last_page":"8"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10064","display_name":"Complex Network Analysis Techniques","score":0.9326000213623047,"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":0.9326000213623047,"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/T10637","display_name":"Advanced Clustering Algorithms Research","score":0.0608999989926815,"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/T13910","display_name":"Computational and Text Analysis Methods","score":0.0010000000474974513,"subfield":{"id":"https://openalex.org/subfields/3300","display_name":"General Social Sciences"},"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/twitter","display_name":"Twitter","score":0.9160000085830688},{"id":"https://openalex.org/keywords/community-detection","display_name":"community detection","score":0.7580000162124634},{"id":"https://openalex.org/keywords/louvain-algorithm","display_name":"Louvain algorithm","score":0.8399999737739563},{"id":"https://openalex.org/keywords/network-clustering","display_name":"network clustering","score":0.6380000114440918},{"id":"https://openalex.org/keywords/trend-analysis","display_name":"trend analysis","score":0.8090000152587891},{"id":"https://openalex.org/keywords/non-negative-matrix-factorization","display_name":"non-negative matrix factorization","score":0.9919999837875366},{"id":"https://openalex.org/keywords/social-media","display_name":"social media","score":0.6460000276565552}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8355913758277893},{"id":"https://openalex.org/C73555534","wikidata":"https://www.wikidata.org/wiki/Q622825","display_name":"Cluster analysis","level":2,"score":0.7974599599838257},{"id":"https://openalex.org/C152671427","wikidata":"https://www.wikidata.org/wiki/Q10843505","display_name":"Non-negative matrix factorization","level":4,"score":0.7915595769882202},{"id":"https://openalex.org/C518677369","wikidata":"https://www.wikidata.org/wiki/Q202833","display_name":"Social media","level":2,"score":0.5973556041717529},{"id":"https://openalex.org/C2780586882","wikidata":"https://www.wikidata.org/wiki/Q7520643","display_name":"Simple (philosophy)","level":2,"score":0.5221034288406372},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.4439212679862976},{"id":"https://openalex.org/C42355184","wikidata":"https://www.wikidata.org/wiki/Q1361088","display_name":"Matrix decomposition","level":3,"score":0.355680912733078},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3044741153717041},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.17194631695747375},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C158693339","wikidata":"https://www.wikidata.org/wiki/Q190524","display_name":"Eigenvalues and eigenvectors","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/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","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}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1155/2013/903765","doi":"https://doi.org/10.1155/2013/903765","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2013/903765","pdf_url":"https://downloads.hindawi.com/journals/ddns/2013/903765.pdf","source":{"id":"https://openalex.org/S130298280","display_name":"Discrete Dynamics in Nature and Society","issn_l":"1026-0226","issn":["1026-0226","1607-887X"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-d","jufo-1","ki-jl-1","norway-1","poland-40","russia-white-list-2"],"host_organization":"https://openalex.org/P4310319869","host_organization_name":"Hindawi Publishing Corporation","host_organization_lineage":["https://openalex.org/P4310319869","https://openalex.org/P4310320595"],"host_organization_lineage_names":["Hindawi Publishing Corporation","Wiley"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Discrete Dynamics in Nature and Society","raw_type":"journal-article"},{"id":"pmh:oai:RePEc:hin:jnddns:903765","doi":null,"is_oa":false,"landing_page_url":"http://downloads.hindawi.com/journals/DDNS/2013/903765.xml","pdf_url":null,"source":{"id":"https://openalex.org/S4306401271","display_name":"RePEc: Research Papers in Economics","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I77793887","host_organization_name":"Federal Reserve Bank of St. Louis","host_organization_lineage":["https://openalex.org/I77793887"],"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":"article"},{"id":"pmh:oai:doaj.org/article:898d0b5359c14f189385c2553ac09884","doi":null,"is_oa":true,"landing_page_url":"https://doaj.org/article/898d0b5359c14f189385c2553ac09884","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,"listed_in":[],"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":"Discrete Dynamics in Nature and Society, Vol 2013 (2013)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1155/2013/903765","doi":"https://doi.org/10.1155/2013/903765","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2013/903765","pdf_url":"https://downloads.hindawi.com/journals/ddns/2013/903765.pdf","source":{"id":"https://openalex.org/S130298280","display_name":"Discrete Dynamics in Nature and Society","issn_l":"1026-0226","issn":["1026-0226","1607-887X"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-d","jufo-1","ki-jl-1","norway-1","poland-40","russia-white-list-2"],"host_organization":"https://openalex.org/P4310319869","host_organization_name":"Hindawi Publishing Corporation","host_organization_lineage":["https://openalex.org/P4310319869","https://openalex.org/P4310320595"],"host_organization_lineage_names":["Hindawi Publishing Corporation","Wiley"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Discrete Dynamics in Nature and Society","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[{"id":"https://openalex.org/G1391321635","display_name":null,"funder_award_id":"2012-0001855","funder_id":"https://openalex.org/F4320322120","funder_display_name":"National Research Foundation of Korea"}],"funders":[{"id":"https://openalex.org/F4320320671","display_name":"National Research Foundation","ror":"https://ror.org/05s0g1g46"},{"id":"https://openalex.org/F4320322120","display_name":"National Research Foundation of Korea","ror":"https://ror.org/013aysd81"},{"id":"https://openalex.org/F4320322349","display_name":"Ministry of Education, Science and Technology","ror":"https://ror.org/01p262204"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2042467140.pdf","grobid_xml":"https://content.openalex.org/works/W2042467140.grobid-xml"},"referenced_works_count":25,"referenced_works":["https://openalex.org/W49973572","https://openalex.org/W143174683","https://openalex.org/W260187705","https://openalex.org/W1528751587","https://openalex.org/W1752870744","https://openalex.org/W1854214752","https://openalex.org/W1973921702","https://openalex.org/W1977001629","https://openalex.org/W1981086745","https://openalex.org/W2013029404","https://openalex.org/W2021097538","https://openalex.org/W2046804949","https://openalex.org/W2047940964","https://openalex.org/W2093842354","https://openalex.org/W2101196063","https://openalex.org/W2118718620","https://openalex.org/W2131681506","https://openalex.org/W2133893416","https://openalex.org/W2134931490","https://openalex.org/W2135029798","https://openalex.org/W2144982204","https://openalex.org/W2175110005","https://openalex.org/W2312916465","https://openalex.org/W2769133055","https://openalex.org/W3122139608"],"related_works":["https://openalex.org/W2550978853","https://openalex.org/W2946719046","https://openalex.org/W4234665555","https://openalex.org/W2461134897","https://openalex.org/W2187034175","https://openalex.org/W2045058561","https://openalex.org/W2492224531","https://openalex.org/W7008645408","https://openalex.org/W4230775310","https://openalex.org/W2560538598"],"abstract_inverted_index":{"Twitter\u2019s":[0],"recent":[1],"growth":[2],"in":[3],"the":[4,60,74,77,84,89,94,128,140],"number":[5],"of":[6,47,76],"users":[7,48],"has":[8,136],"redefined":[9],"its":[10,70],"status":[11],"from":[12],"a":[13,19,45,53,65,113],"simple":[14],"social":[15],"media":[16],"service":[17],"to":[18,28,116],"mass":[20],"media.":[21],"We":[22,105],"deal":[23],"with":[24,49,139],"clustering":[25,100],"techniques":[26,101],"applied":[27],"Twitter":[29,32,40,82],"network":[30],"and":[31,38,63,92,119],"trend":[33,103],"analysis.":[34,104],"When":[35],"we":[36,42,58,98,132],"divide":[37],"cluster":[39],"network,":[41],"can":[43],"find":[44],"group":[46],"similar":[50],"inclination,":[51],"called":[52],"\u201cCommunity.\u201d":[54],"In":[55,73],"this":[56],"regard,":[57],"introduce":[59],"Louvain":[61,67,86],"algorithm":[62,68,87],"advance":[64],"partitioned":[66,85],"as":[69],"improved":[71],"variant.":[72],"result":[75],"experiment":[78],"based":[79],"on":[80,122],"actual":[81,141],"data,":[83],"supplemented":[88],"performance":[90],"decline":[91],"shortened":[93],"execution":[95],"time.":[96],"Also,":[97],"use":[99,106],"for":[102],"nonnegative":[107],"matrix":[108],"factorization":[109],"(NMF),":[110],"which":[111],"is":[112],"convenient":[114],"method":[115],"intuitively":[117],"interpret":[118],"extract":[120],"issues":[121],"various":[123],"time":[124],"scales.":[125],"By":[126],"cross-verifying":[127],"results":[129],"using":[130],"NFM,":[131],"found":[133],"that":[134],"it":[135],"clear":[137],"correlation":[138],"main":[142],"issue.":[143]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":1},{"year":2021,"cited_by_count":6},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":2}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2016-06-24T00:00:00"}