{"id":"https://openalex.org/W3209938370","doi":"https://doi.org/10.1145/3472720.3483622","title":"Topic Modeling by Community Detection Algorithms","display_name":"Topic Modeling by Community Detection Algorithms","publication_year":2021,"publication_date":"2021-10-19","ids":{"openalex":"https://openalex.org/W3209938370","doi":"https://doi.org/10.1145/3472720.3483622","mag":"3209938370"},"language":"en","primary_location":{"id":"doi:10.1145/3472720.3483622","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3472720.3483622","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2021 Workshop on Open Challenges in Online Social Networks","raw_type":"proceedings-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/A5048338565","display_name":"Giambattista Amati","orcid":"https://orcid.org/0000-0002-7067-4583"},"institutions":[{"id":"https://openalex.org/I2802782265","display_name":"Fondazione \"Ugo Bordoni\"","ror":"https://ror.org/01kc65v41","country_code":"IT","type":"facility","lineage":["https://openalex.org/I2802782265"]}],"countries":["IT"],"is_corresponding":true,"raw_author_name":"Giambattista Amati","raw_affiliation_strings":["Fondazione Ugo Bordoni, Rome, Italy"],"affiliations":[{"raw_affiliation_string":"Fondazione Ugo Bordoni, Rome, Italy","institution_ids":["https://openalex.org/I2802782265"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5028765449","display_name":"Simone Angelini","orcid":null},"institutions":[{"id":"https://openalex.org/I2802782265","display_name":"Fondazione \"Ugo Bordoni\"","ror":"https://ror.org/01kc65v41","country_code":"IT","type":"facility","lineage":["https://openalex.org/I2802782265"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Simone Angelini","raw_affiliation_strings":["Fondazione Ugo Bordoni, Rome, Italy"],"affiliations":[{"raw_affiliation_string":"Fondazione Ugo Bordoni, Rome, Italy","institution_ids":["https://openalex.org/I2802782265"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5078408424","display_name":"Antonio Cruciani","orcid":"https://orcid.org/0000-0002-9538-4275"},"institutions":[{"id":"https://openalex.org/I4210150763","display_name":"Gran Sasso Science Institute","ror":"https://ror.org/043qcb444","country_code":"IT","type":"education","lineage":["https://openalex.org/I160013858","https://openalex.org/I4210150763"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Antonio Cruciani","raw_affiliation_strings":["Gran Sasso Science Institute, L'Aquila, Italy"],"affiliations":[{"raw_affiliation_string":"Gran Sasso Science Institute, L'Aquila, Italy","institution_ids":["https://openalex.org/I4210150763"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089936968","display_name":"G. Fusco","orcid":null},"institutions":[{"id":"https://openalex.org/I882813167","display_name":"Ministry of Economic Development","ror":"https://ror.org/011z3ff80","country_code":"IT","type":"government","lineage":["https://openalex.org/I4210104593","https://openalex.org/I882813167"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Gianmarco Fusco","raw_affiliation_strings":["DGTCSI-ISCTI MiSE Italian Ministry for Economic Development, Rome, Italy"],"affiliations":[{"raw_affiliation_string":"DGTCSI-ISCTI MiSE Italian Ministry for Economic Development, Rome, Italy","institution_ids":["https://openalex.org/I882813167"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5063872313","display_name":"Giancarlo Gaudino","orcid":null},"institutions":[{"id":"https://openalex.org/I882813167","display_name":"Ministry of Economic Development","ror":"https://ror.org/011z3ff80","country_code":"IT","type":"government","lineage":["https://openalex.org/I4210104593","https://openalex.org/I882813167"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Giancarlo Gaudino","raw_affiliation_strings":["DGTCSI-ISCTI MiSE Italian Ministry for Economic Development, Tome, Italy"],"affiliations":[{"raw_affiliation_string":"DGTCSI-ISCTI MiSE Italian Ministry for Economic Development, Tome, Italy","institution_ids":["https://openalex.org/I882813167"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5105940138","display_name":"Daniele Pasquini","orcid":null},"institutions":[{"id":"https://openalex.org/I116067653","display_name":"University of Rome Tor Vergata","ror":"https://ror.org/02p77k626","country_code":"IT","type":"education","lineage":["https://openalex.org/I116067653"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Daniele Pasquini","raw_affiliation_strings":["University of Rome \"Tor Vergata\", Roma, Italy"],"affiliations":[{"raw_affiliation_string":"University of Rome \"Tor Vergata\", Roma, Italy","institution_ids":["https://openalex.org/I116067653"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5039580089","display_name":"Paola Vocca","orcid":"https://orcid.org/0000-0002-8018-0309"},"institutions":[{"id":"https://openalex.org/I138938424","display_name":"Universit\u00e0 degli Studi della Tuscia","ror":"https://ror.org/03svwq685","country_code":"IT","type":"education","lineage":["https://openalex.org/I138938424"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Paola Vocca","raw_affiliation_strings":["University of Tuscia, Viterbo, Italy"],"affiliations":[{"raw_affiliation_string":"University of Tuscia, Viterbo, Italy","institution_ids":["https://openalex.org/I138938424"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5048338565"],"corresponding_institution_ids":["https://openalex.org/I2802782265"],"apc_list":null,"apc_paid":null,"fwci":0.7892,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.72154217,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"15","last_page":"20"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10064","display_name":"Complex Network Analysis Techniques","score":0.9994999766349792,"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":0.9994999766349792,"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/T12016","display_name":"Web Data Mining and Analysis","score":0.9872000217437744,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/T10664","display_name":"Sentiment Analysis and Opinion Mining","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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7741258144378662},{"id":"https://openalex.org/keywords/cluster-analysis","display_name":"Cluster analysis","score":0.7150881886482239},{"id":"https://openalex.org/keywords/scalability","display_name":"Scalability","score":0.7043800354003906},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.5835934281349182},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4816969335079193},{"id":"https://openalex.org/keywords/filter","display_name":"Filter (signal processing)","score":0.46759599447250366},{"id":"https://openalex.org/keywords/topic-model","display_name":"Topic model","score":0.4447858929634094},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3698245882987976},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.36841392517089844},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.34193864464759827},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.29775261878967285}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7741258144378662},{"id":"https://openalex.org/C73555534","wikidata":"https://www.wikidata.org/wiki/Q622825","display_name":"Cluster analysis","level":2,"score":0.7150881886482239},{"id":"https://openalex.org/C48044578","wikidata":"https://www.wikidata.org/wiki/Q727490","display_name":"Scalability","level":2,"score":0.7043800354003906},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.5835934281349182},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4816969335079193},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.46759599447250366},{"id":"https://openalex.org/C171686336","wikidata":"https://www.wikidata.org/wiki/Q3532085","display_name":"Topic model","level":2,"score":0.4447858929634094},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3698245882987976},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.36841392517089844},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.34193864464759827},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.29775261878967285},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"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":2,"locations":[{"id":"doi:10.1145/3472720.3483622","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3472720.3483622","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2021 Workshop on Open Challenges in Online Social Networks","raw_type":"proceedings-article"},{"id":"pmh:oai:art.torvergata.it:2108/396799","is_oa":false,"landing_page_url":"https://hdl.handle.net/2108/396799","pdf_url":null,"source":{"id":"https://openalex.org/S4306400993","display_name":"Cineca Institutional Research Information System (Tor Vergata University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I116067653","host_organization_name":"University of Rome Tor Vergata","host_organization_lineage":["https://openalex.org/I116067653"],"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":"info:eu-repo/semantics/bookPart"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.49000000953674316,"display_name":"Quality Education","id":"https://metadata.un.org/sdg/4"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W1736726159","https://openalex.org/W2063909949","https://openalex.org/W2131681506","https://openalex.org/W2170414372","https://openalex.org/W2185208392","https://openalex.org/W2299467264","https://openalex.org/W2596771357","https://openalex.org/W2783064254","https://openalex.org/W2783535092","https://openalex.org/W2900548917","https://openalex.org/W2910713935","https://openalex.org/W3099768174"],"related_works":["https://openalex.org/W2389214306","https://openalex.org/W2965083567","https://openalex.org/W4235240664","https://openalex.org/W1838576100","https://openalex.org/W2757182831","https://openalex.org/W2095886385","https://openalex.org/W2089704382","https://openalex.org/W1983399550","https://openalex.org/W97075385","https://openalex.org/W2357523926"],"abstract_inverted_index":{"We":[0,22,72],"first":[1],"estimate":[2],"the":[3,12,17,29,32,38,43,50,60,64,88,116,126,140,148,178,184],"number":[4,62],"of":[5,20,31,37,49,63,69,93,158,177],"Italian":[6,18,33,44,51,65],"users":[7,67],"active":[8,66],"on":[9,99,115,181],"Twitter":[10,89,182],"in":[11,183],"last":[13],"year":[14],"by":[15],"filtering":[16],"flow":[19],"Twitter.":[21],"show":[23],"that":[24,81],"our":[25],"filter":[26],"misses":[27],"about":[28],"6.86%":[30],"flow,":[34],"while":[35],"86.80%":[36],"selected":[39],"tweets":[40],"belongs":[41],"to":[42,58,87,123,145,173],"language.":[45],"Given":[46],"this":[47,70,168],"accuracy":[48],"Twitter's":[52],"Firehose":[53],"filter,":[54],"we":[55,110,129,170],"are":[56,171],"able":[57,172],"assess":[59],"actual":[61],"(AUs)":[68],"platform.":[71],"then":[73],"introduce":[74],"a":[75,94],"massive":[76],"text":[77],"document":[78],"clustering":[79,105],"algorithm":[80],"is":[82],"easily":[83],"applicable":[84],"and":[85,102,137,152],"scalable":[86],"social":[90],"network.":[91],"Instead":[92],"topic":[95],"modeling":[96],"approach":[97],"based":[98],"features":[100],"selection":[101],"any":[103],"conventional":[104],"algorithm,":[106],"such":[107,161],"as":[108,162],"LDA,":[109],"apply":[111,130],"community":[112,133],"detection":[113,134],"algorithms":[114],"weighted":[117],"hashtag":[118],"graph":[119,127],".":[120],"In":[121,167],"order":[122],"scale":[124],"with":[125,156],"size,":[128],"two":[131],"linear":[132],"algorithms,":[135],"CoDA":[136],"Louvain.":[138],"Once":[139],"hashtags":[141,153],"have":[142],"been":[143],"assigned":[144],"clusters,":[146],"both":[147],"most":[149],"numerous":[150],"clusters":[151],"were":[154],"associated":[155],"topics":[157,179],"general":[159],"interest,":[160],"sports,":[163],"politics,":[164],"health":[165],"etc.":[166],"way":[169],"provide":[174],"significant":[175],"statistics":[176],"covered":[180],"past":[185],"year.":[186]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":1}],"updated_date":"2026-03-20T23:20:44.827607","created_date":"2025-10-10T00:00:00"}
