{"id":"https://openalex.org/W3110130679","doi":"https://doi.org/10.3390/e22121336","title":"Improving Document-Level Sentiment Classification Using Importance of Sentences","display_name":"Improving Document-Level Sentiment Classification Using Importance of Sentences","publication_year":2020,"publication_date":"2020-11-25","ids":{"openalex":"https://openalex.org/W3110130679","doi":"https://doi.org/10.3390/e22121336","mag":"3110130679","pmid":"https://pubmed.ncbi.nlm.nih.gov/33266520"},"language":"en","primary_location":{"id":"doi:10.3390/e22121336","is_oa":true,"landing_page_url":"https://doi.org/10.3390/e22121336","pdf_url":"https://www.mdpi.com/1099-4300/22/12/1336/pdf?version=1606303365","source":{"id":"https://openalex.org/S195231649","display_name":"Entropy","issn_l":"1099-4300","issn":["1099-4300"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Entropy","raw_type":"journal-article"},"type":"article","indexed_in":["arxiv","crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/1099-4300/22/12/1336/pdf?version=1606303365","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":null,"display_name":"Gihyeon Choi","orcid":"https://orcid.org/0000-0002-6108-6755"},"institutions":[{"id":"https://openalex.org/I165507594","display_name":"Kangwon National University","ror":"https://ror.org/01mh5ph17","country_code":"KR","type":"education","lineage":["https://openalex.org/I165507594"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Gihyeon Choi","raw_affiliation_strings":["Program of Computer and Communications Engineering, College of IT, Kangwon National University, Chuncheon-si 24341, Korea"],"raw_orcid":"https://orcid.org/0000-0002-6108-6755","affiliations":[{"raw_affiliation_string":"Program of Computer and Communications Engineering, College of IT, Kangwon National University, Chuncheon-si 24341, Korea","institution_ids":["https://openalex.org/I165507594"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Shinhyeok Oh","orcid":null},"institutions":[{"id":"https://openalex.org/I165507594","display_name":"Kangwon National University","ror":"https://ror.org/01mh5ph17","country_code":"KR","type":"education","lineage":["https://openalex.org/I165507594"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Shinhyeok Oh","raw_affiliation_strings":["Program of Computer and Communications Engineering, College of IT, Kangwon National University, Chuncheon-si 24341, Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Program of Computer and Communications Engineering, College of IT, Kangwon National University, Chuncheon-si 24341, Korea","institution_ids":["https://openalex.org/I165507594"]}]},{"author_position":"last","author":{"id":null,"display_name":"Harksoo Kim","orcid":"https://orcid.org/0000-0002-8286-7198"},"institutions":[{"id":"https://openalex.org/I24062138","display_name":"Konkuk University","ror":"https://ror.org/025h1m602","country_code":"KR","type":"education","lineage":["https://openalex.org/I24062138"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Harksoo Kim","raw_affiliation_strings":["Division of Computer Science and Engineering & Department of Artificial Intelligence, College of Engineering, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Korea"],"raw_orcid":"https://orcid.org/0000-0002-8286-7198","affiliations":[{"raw_affiliation_string":"Division of Computer Science and Engineering & Department of Artificial Intelligence, College of Engineering, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Korea","institution_ids":["https://openalex.org/I24062138"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I165507594"],"apc_list":{"value":2000,"currency":"CHF","value_usd":2165},"apc_paid":{"value":2000,"currency":"CHF","value_usd":2165},"fwci":2.7202,"has_fulltext":true,"cited_by_count":32,"citation_normalized_percentile":{"value":0.92295154,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":97,"max":99},"biblio":{"volume":"22","issue":"12","first_page":"1336","last_page":"1336"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10664","display_name":"Sentiment Analysis and Opinion Mining","score":0.9779000282287598,"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":0.9779000282287598,"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/T11550","display_name":"Text and Document Classification Technologies","score":0.00430000014603138,"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/T10028","display_name":"Topic Modeling","score":0.0034000000450760126,"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/sentiment-analysis","display_name":"Sentiment analysis","score":0.758899986743927},{"id":"https://openalex.org/keywords/sentence","display_name":"Sentence","score":0.7452999949455261},{"id":"https://openalex.org/keywords/polarity","display_name":"Polarity (international relations)","score":0.5439000129699707},{"id":"https://openalex.org/keywords/artificial-neural-network","display_name":"Artificial neural network","score":0.29109999537467957},{"id":"https://openalex.org/keywords/topic-model","display_name":"Topic model","score":0.27489998936653137}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.795199990272522},{"id":"https://openalex.org/C66402592","wikidata":"https://www.wikidata.org/wiki/Q2271421","display_name":"Sentiment analysis","level":2,"score":0.758899986743927},{"id":"https://openalex.org/C2777530160","wikidata":"https://www.wikidata.org/wiki/Q41796","display_name":"Sentence","level":2,"score":0.7452999949455261},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6941999793052673},{"id":"https://openalex.org/C204321447","wikidata":"https://www.wikidata.org/wiki/Q30642","display_name":"Natural language processing","level":1,"score":0.6744999885559082},{"id":"https://openalex.org/C2777361361","wikidata":"https://www.wikidata.org/wiki/Q1112585","display_name":"Polarity (international relations)","level":3,"score":0.5439000129699707},{"id":"https://openalex.org/C50644808","wikidata":"https://www.wikidata.org/wiki/Q192776","display_name":"Artificial neural network","level":2,"score":0.29109999537467957},{"id":"https://openalex.org/C171686336","wikidata":"https://www.wikidata.org/wiki/Q3532085","display_name":"Topic model","level":2,"score":0.27489998936653137},{"id":"https://openalex.org/C108583219","wikidata":"https://www.wikidata.org/wiki/Q197536","display_name":"Deep learning","level":2,"score":0.2515000104904175},{"id":"https://openalex.org/C2776224158","wikidata":"https://www.wikidata.org/wiki/Q187931","display_name":"Phrase","level":2,"score":0.23739999532699585}],"mesh":[],"locations_count":6,"locations":[{"id":"doi:10.3390/e22121336","is_oa":true,"landing_page_url":"https://doi.org/10.3390/e22121336","pdf_url":"https://www.mdpi.com/1099-4300/22/12/1336/pdf?version=1606303365","source":{"id":"https://openalex.org/S195231649","display_name":"Entropy","issn_l":"1099-4300","issn":["1099-4300"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Entropy","raw_type":"journal-article"},{"id":"pmid:33266520","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/33266520","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Entropy (Basel, Switzerland)","raw_type":null},{"id":"pmh:oai:arXiv.org:2103.05167","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2103.05167","pdf_url":"https://arxiv.org/pdf/2103.05167","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"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":"text"},{"id":"pmh:oai:doaj.org/article:bc6896314c93476dace194541ff062e0","is_oa":true,"landing_page_url":"https://doaj.org/article/bc6896314c93476dace194541ff062e0","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":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Entropy, Vol 22, Iss 12, p 1336 (2020)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/1099-4300/22/12/1336/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/e22121336","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Entropy; Volume 22; Issue 12; Pages: 1336","raw_type":"Text"},{"id":"pmh:oai:pubmedcentral.nih.gov:7761344","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/7761344","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Entropy (Basel)","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/e22121336","is_oa":true,"landing_page_url":"https://doi.org/10.3390/e22121336","pdf_url":"https://www.mdpi.com/1099-4300/22/12/1336/pdf?version=1606303365","source":{"id":"https://openalex.org/S195231649","display_name":"Entropy","issn_l":"1099-4300","issn":["1099-4300"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Entropy","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1372467903","display_name":null,"funder_award_id":"2020-0-00368","funder_id":"https://openalex.org/F4320335489","funder_display_name":"Institute for Information and Communications Technology Promotion"},{"id":"https://openalex.org/G7053212333","display_name":null,"funder_award_id":"2020-0-00368","funder_id":"https://openalex.org/F4320328359","funder_display_name":"Ministry of Science and ICT, South Korea"}],"funders":[{"id":"https://openalex.org/F4320321372","display_name":"Konkuk University","ror":"https://ror.org/025h1m602"},{"id":"https://openalex.org/F4320328359","display_name":"Ministry of Science and ICT, South Korea","ror":"https://ror.org/01wpjm123"},{"id":"https://openalex.org/F4320335489","display_name":"Institute for Information and Communications Technology Promotion","ror":"https://ror.org/01g0hqq23"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3110130679.pdf","grobid_xml":"https://content.openalex.org/works/W3110130679.grobid-xml"},"referenced_works_count":30,"referenced_works":["https://openalex.org/W1665214252","https://openalex.org/W1832693441","https://openalex.org/W1902237438","https://openalex.org/W2022204871","https://openalex.org/W2084046180","https://openalex.org/W2143017621","https://openalex.org/W2160660844","https://openalex.org/W2251189452","https://openalex.org/W2251939518","https://openalex.org/W2470673105","https://openalex.org/W2473593971","https://openalex.org/W2492922441","https://openalex.org/W2514722822","https://openalex.org/W2567406479","https://openalex.org/W2760392765","https://openalex.org/W2896457183","https://openalex.org/W2910215611","https://openalex.org/W2923528470","https://openalex.org/W2945542139","https://openalex.org/W2949573100","https://openalex.org/W2950856799","https://openalex.org/W2964199361","https://openalex.org/W2970217403","https://openalex.org/W2970971581","https://openalex.org/W2984283053","https://openalex.org/W6637805623","https://openalex.org/W6676557066","https://openalex.org/W6746964907","https://openalex.org/W6764529844","https://openalex.org/W6769318315"],"related_works":[],"abstract_inverted_index":{"Previous":[0],"researchers":[1],"have":[2,41,54],"considered":[3,56,178],"sentiment":[4,19,33,120,128,182],"analysis":[5,34,121],"as":[6,45,136],"a":[7,26,46,70,91,165,180],"document":[8,27,44,76],"classification":[9,94,183],"task,":[10],"in":[11,25,62,74,101,108,130,164,179],"which":[12,102],"input":[13],"documents":[14,109],"are":[15,23,110],"classified":[16],"into":[17],"predefined":[18],"classes.":[20],"Although":[21],"there":[22],"sentences":[24,36,107,163,175],"that":[28,37,156,171],"support":[29],"important":[30],"evidences":[31],"for":[32],"and":[35,143],"do":[38,157],"not,":[39],"they":[40,53],"treated":[42],"the":[43,57,63,75,103,127,131,147,149,172],"bag":[47],"of":[48,59,69,83,106,162,174],"sentences.":[49],"In":[50,146],"other":[51],"words,":[52],"not":[55,158],"importance":[58,104,160,173],"each":[60,72],"sentence":[61,73,93],"document.":[64,166],"To":[65,85,116],"effectively":[66],"determine":[67],"polarity":[68],"document,":[71],"should":[77,176],"be":[78,177],"dealt":[79],"with":[80],"different":[81,133],"degrees":[82,105],"importance.":[84],"address":[86],"this":[87],"problem,":[88],"we":[89,123],"propose":[90],"document-level":[92,181],"model":[95,151],"based":[96],"on":[97],"deep":[98],"neural":[99],"networks,":[100],"automatically":[111],"determined":[112],"through":[113],"gate":[114],"mechanisms.":[115],"verify":[117],"our":[118],"new":[119],"model,":[122],"conducted":[124],"experiments":[125],"using":[126],"datasets":[129],"four":[132],"domains":[134],"such":[135],"movie":[137],"reviews,":[138,140,142],"hotel":[139],"restaurant":[141],"music":[144],"reviews.":[145],"experiments,":[148],"proposed":[150],"outperformed":[152],"previous":[153],"state-of-the-art":[154],"models":[155],"consider":[159],"differences":[161],"The":[167],"experimental":[168],"results":[169],"show":[170],"task.":[184]},"counts_by_year":[{"year":2025,"cited_by_count":7},{"year":2024,"cited_by_count":5},{"year":2023,"cited_by_count":6},{"year":2022,"cited_by_count":10},{"year":2021,"cited_by_count":4}],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2020-12-07T00:00:00"}