{"id":"https://openalex.org/W7165759102","doi":"https://doi.org/10.1016/j.eswa.2026.133419","title":"Multi-task specialized expert model for hierarchical aspect-based sentiment analysis in consumer healthcare","display_name":"Multi-task specialized expert model for hierarchical aspect-based sentiment analysis in consumer healthcare","publication_year":2026,"publication_date":"2026-06-24","ids":{"openalex":"https://openalex.org/W7165759102","doi":"https://doi.org/10.1016/j.eswa.2026.133419"},"language":"en","primary_location":{"id":"doi:10.1016/j.eswa.2026.133419","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.eswa.2026.133419","pdf_url":null,"source":{"id":"https://openalex.org/S13144211","display_name":"Expert Systems with Applications","issn_l":"0957-4174","issn":["0957-4174","1873-6793"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Expert Systems with Applications","raw_type":"journal-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/A5100333824","display_name":"Jiaxuan Li","orcid":"https://orcid.org/0000-0001-7647-6839"},"institutions":[{"id":"https://openalex.org/I49835588","display_name":"Macao Polytechnic University","ror":"https://ror.org/02sf5td35","country_code":"MO","type":"education","lineage":["https://openalex.org/I49835588"]},{"id":"https://openalex.org/I76903346","display_name":"University of Coimbra","ror":"https://ror.org/04z8k9a98","country_code":"PT","type":"education","lineage":["https://openalex.org/I76903346"]}],"countries":["MO","PT"],"is_corresponding":false,"raw_author_name":"Jiaxuan Li","raw_affiliation_strings":["Centre for Informatics and Systems of the University of Coimbra (CISUC), Department of Informatics Engineering, University of Coimbra, Coimbra, 3030-290, Portugal","Faculty of Applied Sciences, Macao Polytechnic University, Macao, 918000, China"],"raw_orcid":"https://orcid.org/0000-0001-7647-6839","affiliations":[{"raw_affiliation_string":"Centre for Informatics and Systems of the University of Coimbra (CISUC), Department of Informatics Engineering, University of Coimbra, Coimbra, 3030-290, Portugal","institution_ids":["https://openalex.org/I76903346"]},{"raw_affiliation_string":"Faculty of Applied Sciences, Macao Polytechnic University, Macao, 918000, China","institution_ids":["https://openalex.org/I49835588"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048005481","display_name":"Jielong Guo","orcid":"https://orcid.org/0000-0001-6779-3840"},"institutions":[{"id":"https://openalex.org/I49835588","display_name":"Macao Polytechnic University","ror":"https://ror.org/02sf5td35","country_code":"MO","type":"education","lineage":["https://openalex.org/I49835588"]},{"id":"https://openalex.org/I76903346","display_name":"University of Coimbra","ror":"https://ror.org/04z8k9a98","country_code":"PT","type":"education","lineage":["https://openalex.org/I76903346"]}],"countries":["MO","PT"],"is_corresponding":false,"raw_author_name":"Jielong Guo","raw_affiliation_strings":["Centre for Informatics and Systems of the University of Coimbra (CISUC), Department of Informatics Engineering, University of Coimbra, Coimbra, 3030-290, Portugal","Faculty of Applied Sciences, Macao Polytechnic University, Macao, 918000, China"],"raw_orcid":"https://orcid.org/0000-0001-6779-3840","affiliations":[{"raw_affiliation_string":"Centre for Informatics and Systems of the University of Coimbra (CISUC), Department of Informatics Engineering, University of Coimbra, Coimbra, 3030-290, Portugal","institution_ids":["https://openalex.org/I76903346"]},{"raw_affiliation_string":"Faculty of Applied Sciences, Macao Polytechnic University, Macao, 918000, China","institution_ids":["https://openalex.org/I49835588"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100333835","display_name":"Patrick Cheong\u2010Iao Pang","orcid":"https://orcid.org/0000-0002-8820-5443"},"institutions":[{"id":"https://openalex.org/I49835588","display_name":"Macao Polytechnic University","ror":"https://ror.org/02sf5td35","country_code":"MO","type":"education","lineage":["https://openalex.org/I49835588"]}],"countries":["MO"],"is_corresponding":true,"raw_author_name":"Patrick Pang","raw_affiliation_strings":["Faculty of Applied Sciences, Macao Polytechnic University, Macao, 918000, China","MPU-UC Joint Research Laboratory in Advanced Technologies for Smart Cities, Faculty of Applied Sciences, Macao Polytechnic University, Macao, 918000, China"],"raw_orcid":"https://orcid.org/0000-0002-8820-5443","affiliations":[{"raw_affiliation_string":"Faculty of Applied Sciences, Macao Polytechnic University, Macao, 918000, China","institution_ids":["https://openalex.org/I49835588"]},{"raw_affiliation_string":"MPU-UC Joint Research Laboratory in Advanced Technologies for Smart Cities, Faculty of Applied Sciences, Macao Polytechnic University, Macao, 918000, China","institution_ids":["https://openalex.org/I49835588"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5000489917","display_name":"Hugo Gon\u00e7alo Oliveira","orcid":"https://orcid.org/0000-0002-5779-8645"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Hugo Gon\u00e7alo Oliveira","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0002-5779-8645","affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065604377","display_name":"Benjamin Ng","orcid":"https://orcid.org/0000-0001-8970-0932"},"institutions":[{"id":"https://openalex.org/I49835588","display_name":"Macao Polytechnic University","ror":"https://ror.org/02sf5td35","country_code":"MO","type":"education","lineage":["https://openalex.org/I49835588"]}],"countries":["MO"],"is_corresponding":false,"raw_author_name":"Benjamin K. Ng","raw_affiliation_strings":["Faculty of Applied Sciences, Macao Polytechnic University, Macao, 918000, China"],"raw_orcid":"https://orcid.org/0000-0001-5901-5694","affiliations":[{"raw_affiliation_string":"Faculty of Applied Sciences, Macao Polytechnic University, Macao, 918000, China","institution_ids":["https://openalex.org/I49835588"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101628585","display_name":"Tao Tan","orcid":"https://orcid.org/0000-0001-5403-0887"},"institutions":[{"id":"https://openalex.org/I49835588","display_name":"Macao Polytechnic University","ror":"https://ror.org/02sf5td35","country_code":"MO","type":"education","lineage":["https://openalex.org/I49835588"]}],"countries":["MO"],"is_corresponding":false,"raw_author_name":"Tao Tan","raw_affiliation_strings":["Faculty of Applied Sciences, Macao Polytechnic University, Macao, 918000, China"],"raw_orcid":"https://orcid.org/0000-0001-5403-0887","affiliations":[{"raw_affiliation_string":"Faculty of Applied Sciences, Macao Polytechnic University, Macao, 918000, China","institution_ids":["https://openalex.org/I49835588"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5100333835"],"corresponding_institution_ids":["https://openalex.org/I49835588"],"apc_list":{"value":3220,"currency":"USD","value_usd":3220},"apc_paid":null,"fwci":12.1051,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.98607152,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":97},"biblio":{"volume":"331","issue":null,"first_page":"133419","last_page":"133419"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10664","display_name":"Sentiment Analysis and Opinion Mining","score":0.6358000040054321,"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":0.6358000040054321,"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/T10667","display_name":"Emotion and Mood Recognition","score":0.04410000145435333,"subfield":{"id":"https://openalex.org/subfields/3205","display_name":"Experimental and Cognitive Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10203","display_name":"Recommender Systems and Techniques","score":0.03060000017285347,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/sentiment-analysis","display_name":"Sentiment analysis","score":0.6798999905586243},{"id":"https://openalex.org/keywords/expert-system","display_name":"Expert system","score":0.5062000155448914},{"id":"https://openalex.org/keywords/health-care","display_name":"Health care","score":0.42399999499320984},{"id":"https://openalex.org/keywords/hierarchical-database-model","display_name":"Hierarchical database model","score":0.34380000829696655},{"id":"https://openalex.org/keywords/topic-model","display_name":"Topic model","score":0.3292999863624573}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7240999937057495},{"id":"https://openalex.org/C66402592","wikidata":"https://www.wikidata.org/wiki/Q2271421","display_name":"Sentiment analysis","level":2,"score":0.6798999905586243},{"id":"https://openalex.org/C58328972","wikidata":"https://www.wikidata.org/wiki/Q184609","display_name":"Expert system","level":2,"score":0.5062000155448914},{"id":"https://openalex.org/C160735492","wikidata":"https://www.wikidata.org/wiki/Q31207","display_name":"Health care","level":2,"score":0.42399999499320984},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3752000033855438},{"id":"https://openalex.org/C2522767166","wikidata":"https://www.wikidata.org/wiki/Q2374463","display_name":"Data science","level":1,"score":0.35440000891685486},{"id":"https://openalex.org/C144986985","wikidata":"https://www.wikidata.org/wiki/Q871236","display_name":"Hierarchical database model","level":2,"score":0.34380000829696655},{"id":"https://openalex.org/C171686336","wikidata":"https://www.wikidata.org/wiki/Q3532085","display_name":"Topic model","level":2,"score":0.3292999863624573},{"id":"https://openalex.org/C56739046","wikidata":"https://www.wikidata.org/wiki/Q192060","display_name":"Knowledge management","level":1,"score":0.2985000014305115},{"id":"https://openalex.org/C2989086416","wikidata":"https://www.wikidata.org/wiki/Q15067276","display_name":"Healthcare industry","level":3,"score":0.260699987411499}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/j.eswa.2026.133419","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.eswa.2026.133419","pdf_url":null,"source":{"id":"https://openalex.org/S13144211","display_name":"Expert Systems with Applications","issn_l":"0957-4174","issn":["0957-4174","1873-6793"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Expert Systems with Applications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320322397","display_name":"Instituto Polit\u00e9cnico de Macau","ror":"https://ror.org/02sf5td35"},{"id":"https://openalex.org/F4320323893","display_name":"Fundo para o Desenvolvimento das Ci\u00eancias e da Tecnologia","ror":"https://ror.org/05vna4324"},{"id":"https://openalex.org/F4320334779","display_name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia","ror":"https://ror.org/00snfqn58"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":58,"referenced_works":["https://openalex.org/W1645123556","https://openalex.org/W2077476869","https://openalex.org/W2101070695","https://openalex.org/W2131165083","https://openalex.org/W2135173663","https://openalex.org/W2139726867","https://openalex.org/W2253519362","https://openalex.org/W2427312199","https://openalex.org/W2623094994","https://openalex.org/W2895547478","https://openalex.org/W2938213747","https://openalex.org/W3003963580","https://openalex.org/W3032112198","https://openalex.org/W3097816393","https://openalex.org/W3120523588","https://openalex.org/W3129772168","https://openalex.org/W3132376007","https://openalex.org/W3156172549","https://openalex.org/W3189480027","https://openalex.org/W3198843180","https://openalex.org/W3203214015","https://openalex.org/W3208594536","https://openalex.org/W4256578005","https://openalex.org/W4281697686","https://openalex.org/W4306743104","https://openalex.org/W4312001989","https://openalex.org/W4312908198","https://openalex.org/W4361288533","https://openalex.org/W4365452040","https://openalex.org/W4377717018","https://openalex.org/W4381730753","https://openalex.org/W4384524772","https://openalex.org/W4385611483","https://openalex.org/W4385633418","https://openalex.org/W4386990960","https://openalex.org/W4388049829","https://openalex.org/W4389412492","https://openalex.org/W4391052842","https://openalex.org/W4393251590","https://openalex.org/W4395023537","https://openalex.org/W4400667417","https://openalex.org/W4400682237","https://openalex.org/W4401862118","https://openalex.org/W4402601975","https://openalex.org/W4403499854","https://openalex.org/W4403875601","https://openalex.org/W4405063353","https://openalex.org/W4405112407","https://openalex.org/W4408197148","https://openalex.org/W4408920931","https://openalex.org/W4409700800","https://openalex.org/W4410251493","https://openalex.org/W4410403205","https://openalex.org/W4411019848","https://openalex.org/W4412750560","https://openalex.org/W4414404571","https://openalex.org/W4414798800","https://openalex.org/W7133224126"],"related_works":[],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2026-07-03T06:15:21.484131","created_date":"2026-06-25T00:00:00"}
