{"id":"https://openalex.org/W24610882","doi":null,"title":"Sentiment analysis of news titles the role of entities and a new affective lexicon","display_name":"Sentiment analysis of news titles the role of entities and a new affective lexicon","publication_year":2011,"publication_date":"2011-10-10","ids":{"openalex":"https://openalex.org/W24610882","mag":"24610882"},"language":"en","primary_location":{"id":"mag:24610882","doi":null,"is_oa":false,"landing_page_url":"https://dblp.uni-trier.de/db/conf/epia/epia2011.html#LoureiroMN11","pdf_url":null,"source":{"id":"https://openalex.org/S4306420712","display_name":"Portuguese Conference on Artificial Intelligence","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":"conference"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"Portuguese Conference on Artificial Intelligence","raw_type":null},"volume":null,"type":"conference-paper","is_traditional":true,"indexed_in":[],"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/A5071099112","display_name":"Daniel Loureiro","orcid":"https://orcid.org/0000-0001-5134-360X","observed_orcids":["https://orcid.org/0000-0001-5134-360X"]},"institutions":[{"id":"https://openalex.org/I4405256035","display_name":"Grupo de Investiga\u00e7\u00e3o em Engenharia e Computa\u00e7\u00e3o Inteligente para a Inova\u00e7\u00e3o e o Desenvolvimento","ror":"https://ror.org/03pkh6520","country_code":"PT","type":"education","lineage":["https://openalex.org/I4405256035","https://openalex.org/I83863532"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Daniel Loureiro","raw_affiliation_strings":["ISEP, GECAD - Knowledge Engineering and Decision Support Group, Portugal#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"ISEP, GECAD - Knowledge Engineering and Decision Support Group, Portugal#TAB#","institution_ids":["https://openalex.org/I4405256035"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007629138","display_name":"Goreti Marreiros","orcid":"https://orcid.org/0000-0003-4417-8401","observed_orcids":["https://orcid.org/0000-0003-4417-8401"]},"institutions":[{"id":"https://openalex.org/I4405256035","display_name":"Grupo de Investiga\u00e7\u00e3o em Engenharia e Computa\u00e7\u00e3o Inteligente para a Inova\u00e7\u00e3o e o Desenvolvimento","ror":"https://ror.org/03pkh6520","country_code":"PT","type":"education","lineage":["https://openalex.org/I4405256035","https://openalex.org/I83863532"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Goreti Marreiros","raw_affiliation_strings":["ISEP, GECAD - Knowledge Engineering and Decision Support Group, Portugal#TAB#"],"raw_orcid":"https://orcid.org/0000-0003-4417-8401","affiliations":[{"raw_affiliation_string":"ISEP, GECAD - Knowledge Engineering and Decision Support Group, Portugal#TAB#","institution_ids":["https://openalex.org/I4405256035"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100729711","display_name":"Jos\u00e9 Neves","orcid":"https://orcid.org/0000-0002-8863-0351","observed_orcids":["https://orcid.org/0000-0002-8863-0351"]},"institutions":[{"id":"https://openalex.org/I99682543","display_name":"University of Minho","ror":"https://ror.org/037wpkx04","country_code":"PT","type":"education","lineage":["https://openalex.org/I99682543"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Jos\u00e9 Neves","raw_affiliation_strings":["Minho University, Portugal#TAB#"],"raw_orcid":"https://orcid.org/0000-0002-8863-0351","affiliations":[{"raw_affiliation_string":"Minho University, Portugal#TAB#","institution_ids":["https://openalex.org/I99682543"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.2647,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.37533346,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":93},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"14"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10664","display_name":"Sentiment Analysis and Opinion Mining","score":1.0,"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":1.0,"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":0.0,"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":0.0,"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":0.9940000176429749},{"id":"https://openalex.org/keywords/news-titles","display_name":"news titles","score":0.8230000138282776},{"id":"https://openalex.org/keywords/named-entities","display_name":"named entities","score":0.9380000233650208},{"id":"https://openalex.org/keywords/emotion-lexicon","display_name":"emotion lexicon","score":0.984000027179718}],"concepts":[{"id":"https://openalex.org/C2778121359","wikidata":"https://www.wikidata.org/wiki/Q8096","display_name":"Lexicon","level":2,"score":0.8863441348075867},{"id":"https://openalex.org/C66402592","wikidata":"https://www.wikidata.org/wiki/Q2271421","display_name":"Sentiment analysis","level":2,"score":0.8605282306671143},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7935396432876587},{"id":"https://openalex.org/C168900304","wikidata":"https://www.wikidata.org/wiki/Q171407","display_name":"Valence (chemistry)","level":2,"score":0.5946390628814697},{"id":"https://openalex.org/C9652623","wikidata":"https://www.wikidata.org/wiki/Q190109","display_name":"Field (mathematics)","level":2,"score":0.5395163297653198},{"id":"https://openalex.org/C204321447","wikidata":"https://www.wikidata.org/wiki/Q30642","display_name":"Natural language processing","level":1,"score":0.5127995610237122},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.5045868158340454},{"id":"https://openalex.org/C26760741","wikidata":"https://www.wikidata.org/wiki/Q160402","display_name":"Perception","level":2,"score":0.48223981261253357},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.39965376257896423},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.13709229230880737},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"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/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"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/C169760540","wikidata":"https://www.wikidata.org/wiki/Q207011","display_name":"Neuroscience","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:24610882","doi":null,"is_oa":false,"landing_page_url":"https://dblp.uni-trier.de/db/conf/epia/epia2011.html#LoureiroMN11","pdf_url":null,"source":{"id":"https://openalex.org/S4306420712","display_name":"Portuguese Conference on Artificial Intelligence","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":"conference"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"Portuguese Conference on Artificial Intelligence","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":33,"referenced_works":["https://openalex.org/W38476010","https://openalex.org/W38739846","https://openalex.org/W1508977358","https://openalex.org/W1511913685","https://openalex.org/W1534755699","https://openalex.org/W1547451577","https://openalex.org/W1654370055","https://openalex.org/W1966732563","https://openalex.org/W1969769481","https://openalex.org/W1977137834","https://openalex.org/W2016089260","https://openalex.org/W2022204871","https://openalex.org/W2038721957","https://openalex.org/W2075718943","https://openalex.org/W2096765155","https://openalex.org/W2105468141","https://openalex.org/W2125098710","https://openalex.org/W2146459173","https://openalex.org/W2153225416","https://openalex.org/W2166042744","https://openalex.org/W2189472871","https://openalex.org/W2339343773","https://openalex.org/W2396363948","https://openalex.org/W2396930698","https://openalex.org/W2404480901","https://openalex.org/W2407150778","https://openalex.org/W2410117005","https://openalex.org/W2415199232","https://openalex.org/W2943755647","https://openalex.org/W3133994440","https://openalex.org/W4211191293","https://openalex.org/W4248501265","https://openalex.org/W4301697312"],"related_works":["https://openalex.org/W3201161770","https://openalex.org/W6922699576","https://openalex.org/W2965097042","https://openalex.org/W3158314050","https://openalex.org/W3202647448","https://openalex.org/W2988600098","https://openalex.org/W2187215183","https://openalex.org/W7120742966","https://openalex.org/W658062094","https://openalex.org/W2750686225"],"abstract_inverted_index":null,"counts_by_year":[{"year":2014,"cited_by_count":1}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}
