{"id":"https://openalex.org/W4388798480","doi":"https://doi.org/10.1142/s2196888823500173","title":"A Study of Vietnamese Sentiment Classification with Ensemble Pre-Trained Language Models","display_name":"A Study of Vietnamese Sentiment Classification with Ensemble Pre-Trained Language Models","publication_year":2023,"publication_date":"2023-11-18","ids":{"openalex":"https://openalex.org/W4388798480","doi":"https://doi.org/10.1142/s2196888823500173"},"language":"en","primary_location":{"id":"doi:10.1142/s2196888823500173","is_oa":true,"landing_page_url":"https://doi.org/10.1142/s2196888823500173","pdf_url":null,"source":{"id":"https://openalex.org/S2486636169","display_name":"Vietnam Journal of Computer Science","issn_l":"2196-8888","issn":["2196-8888","2196-8896"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319815","host_organization_name":"World Scientific","host_organization_lineage":["https://openalex.org/P4310319815"],"host_organization_lineage_names":["World Scientific"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Vietnam Journal of Computer Science","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://doi.org/10.1142/s2196888823500173","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5050764993","display_name":"Dang Van Thin","orcid":"https://orcid.org/0000-0001-8340-1405"},"institutions":[{"id":"https://openalex.org/I123565023","display_name":"Vietnam National University Ho Chi Minh City","ror":"https://ror.org/00waaqh38","country_code":"VN","type":"education","lineage":["https://openalex.org/I123565023"]}],"countries":["VN"],"is_corresponding":true,"raw_author_name":"Dang Van Thin","raw_affiliation_strings":["University of Information Technology, Vietnam National University Ho Chi Minh City, Quarter 6, Linh Trung Ward, Thu Duc District, Ho Chi Minh City, Vietnam"],"raw_orcid":"https://orcid.org/0000-0001-8340-1405","affiliations":[{"raw_affiliation_string":"University of Information Technology, Vietnam National University Ho Chi Minh City, Quarter 6, Linh Trung Ward, Thu Duc District, Ho Chi Minh City, Vietnam","institution_ids":["https://openalex.org/I123565023"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050579964","display_name":"Duong Ngoc Hao","orcid":"https://orcid.org/0000-0002-3136-0661"},"institutions":[{"id":"https://openalex.org/I123565023","display_name":"Vietnam National University Ho Chi Minh City","ror":"https://ror.org/00waaqh38","country_code":"VN","type":"education","lineage":["https://openalex.org/I123565023"]}],"countries":["VN"],"is_corresponding":false,"raw_author_name":"Duong Ngoc Hao","raw_affiliation_strings":["University of Information Technology, Vietnam National University Ho Chi Minh City, Quarter 6, Linh Trung Ward, Thu Duc District, Ho Chi Minh City, Vietnam"],"raw_orcid":"https://orcid.org/0000-0002-3136-0661","affiliations":[{"raw_affiliation_string":"University of Information Technology, Vietnam National University Ho Chi Minh City, Quarter 6, Linh Trung Ward, Thu Duc District, Ho Chi Minh City, Vietnam","institution_ids":["https://openalex.org/I123565023"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5033137339","display_name":"Ngan Luu-Thuy Nguyen","orcid":"https://orcid.org/0000-0003-3931-849X"},"institutions":[{"id":"https://openalex.org/I123565023","display_name":"Vietnam National University Ho Chi Minh City","ror":"https://ror.org/00waaqh38","country_code":"VN","type":"education","lineage":["https://openalex.org/I123565023"]}],"countries":["VN"],"is_corresponding":false,"raw_author_name":"Ngan Luu-Thuy Nguyen","raw_affiliation_strings":["University of Information Technology, Vietnam National University Ho Chi Minh City, Quarter 6, Linh Trung Ward, Thu Duc District, Ho Chi Minh City, Vietnam"],"raw_orcid":"https://orcid.org/0000-0003-3931-849X","affiliations":[{"raw_affiliation_string":"University of Information Technology, Vietnam National University Ho Chi Minh City, Quarter 6, Linh Trung Ward, Thu Duc District, Ho Chi Minh City, Vietnam","institution_ids":["https://openalex.org/I123565023"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5050764993"],"corresponding_institution_ids":["https://openalex.org/I123565023"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.15195241,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"11","issue":"01","first_page":"137","last_page":"165"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10664","display_name":"Sentiment Analysis and Opinion Mining","score":0.9973000288009644,"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"}},"topics":[{"id":"https://openalex.org/T10664","display_name":"Sentiment Analysis and Opinion Mining","score":0.9973000288009644,"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":0.9678999781608582,"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"}},{"id":"https://openalex.org/T10028","display_name":"Topic Modeling","score":0.9663000106811523,"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":0.818146824836731},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.6649377346038818},{"id":"https://openalex.org/keywords/vietnamese","display_name":"Vietnamese","score":0.6536149978637695},{"id":"https://openalex.org/keywords/sentiment-analysis","display_name":"Sentiment analysis","score":0.6374915242195129},{"id":"https://openalex.org/keywords/language-model","display_name":"Language model","score":0.6246479749679565},{"id":"https://openalex.org/keywords/transformer","display_name":"Transformer","score":0.5329089760780334},{"id":"https://openalex.org/keywords/leverage","display_name":"Leverage (statistics)","score":0.5310609340667725},{"id":"https://openalex.org/keywords/voting","display_name":"Voting","score":0.5195003747940063},{"id":"https://openalex.org/keywords/majority-rule","display_name":"Majority rule","score":0.5149410367012024},{"id":"https://openalex.org/keywords/natural-language-processing","display_name":"Natural language processing","score":0.5017275810241699},{"id":"https://openalex.org/keywords/ensemble-forecasting","display_name":"Ensemble forecasting","score":0.494184285402298},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.47484520077705383},{"id":"https://openalex.org/keywords/ensemble-learning","display_name":"Ensemble learning","score":0.44564664363861084},{"id":"https://openalex.org/keywords/benchmark","display_name":"Benchmark (surveying)","score":0.4438774883747101},{"id":"https://openalex.org/keywords/sentence","display_name":"Sentence","score":0.44372260570526123},{"id":"https://openalex.org/keywords/question-answering","display_name":"Question answering","score":0.4418962001800537},{"id":"https://openalex.org/keywords/natural-language-understanding","display_name":"Natural language understanding","score":0.4194902777671814},{"id":"https://openalex.org/keywords/natural-language","display_name":"Natural language","score":0.31421512365341187}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.818146824836731},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6649377346038818},{"id":"https://openalex.org/C103621254","wikidata":"https://www.wikidata.org/wiki/Q9199","display_name":"Vietnamese","level":2,"score":0.6536149978637695},{"id":"https://openalex.org/C66402592","wikidata":"https://www.wikidata.org/wiki/Q2271421","display_name":"Sentiment analysis","level":2,"score":0.6374915242195129},{"id":"https://openalex.org/C137293760","wikidata":"https://www.wikidata.org/wiki/Q3621696","display_name":"Language model","level":2,"score":0.6246479749679565},{"id":"https://openalex.org/C66322947","wikidata":"https://www.wikidata.org/wiki/Q11658","display_name":"Transformer","level":3,"score":0.5329089760780334},{"id":"https://openalex.org/C153083717","wikidata":"https://www.wikidata.org/wiki/Q6535263","display_name":"Leverage (statistics)","level":2,"score":0.5310609340667725},{"id":"https://openalex.org/C520049643","wikidata":"https://www.wikidata.org/wiki/Q189760","display_name":"Voting","level":3,"score":0.5195003747940063},{"id":"https://openalex.org/C153668964","wikidata":"https://www.wikidata.org/wiki/Q27636","display_name":"Majority rule","level":2,"score":0.5149410367012024},{"id":"https://openalex.org/C204321447","wikidata":"https://www.wikidata.org/wiki/Q30642","display_name":"Natural language processing","level":1,"score":0.5017275810241699},{"id":"https://openalex.org/C119898033","wikidata":"https://www.wikidata.org/wiki/Q3433888","display_name":"Ensemble forecasting","level":2,"score":0.494184285402298},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.47484520077705383},{"id":"https://openalex.org/C45942800","wikidata":"https://www.wikidata.org/wiki/Q245652","display_name":"Ensemble learning","level":2,"score":0.44564664363861084},{"id":"https://openalex.org/C185798385","wikidata":"https://www.wikidata.org/wiki/Q1161707","display_name":"Benchmark (surveying)","level":2,"score":0.4438774883747101},{"id":"https://openalex.org/C2777530160","wikidata":"https://www.wikidata.org/wiki/Q41796","display_name":"Sentence","level":2,"score":0.44372260570526123},{"id":"https://openalex.org/C44291984","wikidata":"https://www.wikidata.org/wiki/Q1074173","display_name":"Question answering","level":2,"score":0.4418962001800537},{"id":"https://openalex.org/C2779439875","wikidata":"https://www.wikidata.org/wiki/Q1078276","display_name":"Natural language understanding","level":3,"score":0.4194902777671814},{"id":"https://openalex.org/C195324797","wikidata":"https://www.wikidata.org/wiki/Q33742","display_name":"Natural language","level":2,"score":0.31421512365341187},{"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/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","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},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"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/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.0},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.0},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","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}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1142/s2196888823500173","is_oa":true,"landing_page_url":"https://doi.org/10.1142/s2196888823500173","pdf_url":null,"source":{"id":"https://openalex.org/S2486636169","display_name":"Vietnam Journal of Computer Science","issn_l":"2196-8888","issn":["2196-8888","2196-8896"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319815","host_organization_name":"World Scientific","host_organization_lineage":["https://openalex.org/P4310319815"],"host_organization_lineage_names":["World Scientific"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Vietnam Journal of Computer Science","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:97669d0431b34af796cfd2148782991f","is_oa":false,"landing_page_url":"https://doaj.org/article/97669d0431b34af796cfd2148782991f","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":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Vietnam Journal of Computer Science, Vol 11, Iss 01, Pp 137-165 (2024)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1142/s2196888823500173","is_oa":true,"landing_page_url":"https://doi.org/10.1142/s2196888823500173","pdf_url":null,"source":{"id":"https://openalex.org/S2486636169","display_name":"Vietnam Journal of Computer Science","issn_l":"2196-8888","issn":["2196-8888","2196-8896"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319815","host_organization_name":"World Scientific","host_organization_lineage":["https://openalex.org/P4310319815"],"host_organization_lineage_names":["World Scientific"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Vietnam Journal of Computer Science","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.6499999761581421,"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":47,"referenced_works":["https://openalex.org/W66373487","https://openalex.org/W1978784529","https://openalex.org/W2066334462","https://openalex.org/W2319273825","https://openalex.org/W2465978385","https://openalex.org/W2612769033","https://openalex.org/W2782655417","https://openalex.org/W2790793320","https://openalex.org/W2812111957","https://openalex.org/W2903694407","https://openalex.org/W2905450608","https://openalex.org/W2911118731","https://openalex.org/W2925185517","https://openalex.org/W2979826702","https://openalex.org/W2996450908","https://openalex.org/W3003963580","https://openalex.org/W3006617969","https://openalex.org/W3011574394","https://openalex.org/W3035390927","https://openalex.org/W3043200443","https://openalex.org/W3088409176","https://openalex.org/W3098363382","https://openalex.org/W3098637735","https://openalex.org/W3107281932","https://openalex.org/W3127006013","https://openalex.org/W3128867615","https://openalex.org/W3165299977","https://openalex.org/W3165505241","https://openalex.org/W3168230806","https://openalex.org/W3171975879","https://openalex.org/W3173954987","https://openalex.org/W3177035927","https://openalex.org/W3183654279","https://openalex.org/W3198531509","https://openalex.org/W3209748213","https://openalex.org/W4200182268","https://openalex.org/W4205126342","https://openalex.org/W4205799347","https://openalex.org/W4210827551","https://openalex.org/W4210957157","https://openalex.org/W4220921663","https://openalex.org/W4288056589","https://openalex.org/W4293868530","https://openalex.org/W4297094638","https://openalex.org/W4311129550","https://openalex.org/W4318677156","https://openalex.org/W4362554255"],"related_works":["https://openalex.org/W2794896638","https://openalex.org/W1807784185","https://openalex.org/W3202800081","https://openalex.org/W1909207154","https://openalex.org/W3124390867","https://openalex.org/W3101614107","https://openalex.org/W3204228978","https://openalex.org/W1514365828","https://openalex.org/W3036530763","https://openalex.org/W2979309038"],"abstract_inverted_index":{"Sentiment":[0],"Analysis":[1],"(SA)":[2],"has":[3],"attracted":[4],"increasing":[5,50],"research":[6],"attention":[7,51],"in":[8,67,75,96],"recent":[9],"years.":[10],"Most":[11],"existing":[12,180],"works":[13],"tackle":[14],"the":[15,31,35,53,71,76,81,127,196,201],"SA":[16,72,78,128],"task":[17],"by":[18,100,119],"fine-tuning":[19],"single":[20],"pre-trained":[21,89,122],"language":[22,43,91,124],"models":[23,69,110,125],"combined":[24],"with":[25,186],"specific":[26],"layers.":[27],"Despite":[28],"their":[29],"effectiveness,":[30],"previous":[32],"studies":[33],"overlooked":[34],"utilization":[36,82],"of":[37,55,83,189],"feature":[38,116,149],"representations":[39,147],"from":[40],"various":[41,88,161],"contextual":[42],"models.":[44],"Ensemble":[45],"learning":[46],"techniques":[47,118],"have":[48],"garnered":[49],"within":[52],"field":[54],"Natural":[56],"Language":[57],"Processing":[58],"(NLP).":[59],"However,":[60],"there":[61],"is":[62],"still":[63],"room":[64],"for":[65,70,126,200],"improvement":[66],"ensemble":[68,109],"task,":[73],"particularly":[74],"aspect-level":[77,169],"task.":[79,129],"Furthermore,":[80],"heterogeneous":[84],"ensembles,":[85],"which":[86],"combine":[87],"transformer-based":[90,123,132],"models,":[92,133],"may":[93],"prove":[94],"beneficial":[95],"enhancing":[97],"overall":[98],"performance":[99],"incorporating":[101],"diverse":[102],"linguistic":[103],"representations.":[104],"This":[105],"paper":[106],"introduces":[107],"two":[108],"that":[111,175],"leverage":[112],"soft":[113,153],"voting":[114,154],"and":[115,139,146,151,168,193,204],"fusion":[117,150],"combining":[120],"individual":[121],"The":[130,171],"latest":[131],"including":[134],"PhoBERT,":[135],"XLM,":[136],"XLM-Align,":[137],"InfoXLM,":[138],"viBERT_FPT,":[140],"are":[141],"employed":[142],"to":[143],"integrate":[144],"knowledge":[145],"using":[148],"a":[152],"strategy.":[155],"We":[156],"conducted":[157],"extensive":[158],"experiments":[159],"on":[160,195],"Vietnamese":[162],"benchmark":[163],"datasets,":[164,206],"encompassing":[165],"sentence-level,":[166],"document-level,":[167],"SA.":[170],"experimental":[172],"results":[173,185],"demonstrate":[174],"our":[176],"approaches":[177],"outperform":[178],"most":[179],"methods,":[181],"achieving":[182],"new":[183],"state-of-the-art":[184],"F1-weighted":[187],"scores":[188],"94.03%,":[190],"95.65%,":[191],"75.36%,":[192],"76.23%":[194],"UIT_VSFC,":[197],"Aivivn,":[198],"UIT_ABSA":[199],"restaurant":[202],"domain,":[203],"UIT_ViSFD":[205],"respectively.":[207]},"counts_by_year":[],"updated_date":"2026-05-06T08:25:59.206177","created_date":"2025-10-10T00:00:00"}