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All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year Sort by creator [A → Z]' creator [Z → A]' publishing year ↑ (asc)' publishing year ↓ (desc)' title [A → Z]' title [Z → A]' Simple Search Page: 1 2 Hits 1 – 20 of 21 1 A sentiment analysis approach to increase authorship identification Martins, Ricardo; Almeida, J. J.; Henriques, Pedro Rangel. - : Wiley, 2021 BASE Show details 2 Structural onomatology for username generation: A partial account Marcondes, Francisco Supino; Almeida, J. J.; Novais, Paulo. - 2020 BASE Show details 3 Cidades Inteligentes: Proposta de modelagem regulatória para a governação participativa, no contexto luso-brasileiro Bernardes, Marciele Berger. - 2019 BASE Show details 4 Predicting Performance Problems Through Emotional Analysis (Short Paper) Martins, Ricardo; Henriques, Pedro Rangel; Novais, Paulo. - : Schloss Dagstuhl - Leibniz-Zentrum fuer Informatik, 2018. : OASIcs - OpenAccess Series in Informatics. 7th Symposium on Languages, Applications and Technologies (SLATE 2018), 2018 BASE Show details 5 Predicting Performance Problems Through Emotional Analysis (Short Paper) ... Martins, Ricardo; Almeida, José João; Henriques, Pedro Rangel. - : Schloss Dagstuhl - Leibniz-Zentrum fuer Informatik GmbH, Wadern/Saarbruecken, Germany, 2018 BASE Show details 6 Predicting performance problems through emotional analysis Martins, Ricardo; Almeida, José João; Henriques, Pedro Rangel. - : Schloss Dagstuhl – Leibniz-Zentrum für Informatik GmbH, 2018 BASE Show details 7 Increasing authorship identification through emotional analysis Martins, Ricardo; Almeida, J. J.; Henriques, Pedro Rangel. - : Springer Verlag, 2018 BASE Show details 8 Hate speech classification in social media using emotional analysis Martins, Ricardo; Gomes, Marco Filipe Vieira; Almeida, J. J.. - : IEEE, 2018 BASE Show details 9 Creating a social media-based personal emotional lexicon Martins, Ricardo; Almeida, J. J.; Novais, Paulo; Henriques, Pedro Rangel. - : Association for Computing Machinery, 2018 Abstract: One of the major problems when using lexicon in sentiment analysis is that they do not cover all possible words in a text and frequently they miss the more expressive to describe the emotions of the text's author efficiently. This problem occurs because people in non-official, on formal channels, communicate using slangs, neologisms, new patterns based on abbreviations (as "aka", "brb" and "asap") and the different meanings, making challenging to analyse texts using a finite subset of a language. This is a problem because some unknown words can completely change the meaning of a sentence, producing misunderstandings. In this paper we present an approach to expand an emotional lexicon for a specific author, producing a customised lexicon which represents how the author "feels" the words. In our experiments, we got an increase of 35.34% and 107.02% in the dictionary size when compared to the original lexicon using two different authors, and identifying different emotions from the same text according to each author's lexicon, i.e. interpreting the text according to the author's "point of view". ; This work has been supported by COMPETE: POCI-01-0145-FEDER-0070 43 and FCT - Fundação para a Ciência e Tecnologia within the Project Scope UID/CEC/00319/2013. Keyword: Ciências Naturais::Ciências da Computação e da Informação; Eletrónica e Informática; Engenharia e Tecnologia::Engenharia Eletrotécnica; Machine Learning; Natural Processing Language; Science & Technology; Sentiment Analysis URL: http://hdl.handle.net/1822/68818 https://doi.org/10.1145/3243082.3264668 BASE Hide details 10 8th International Symposium on Ambient Intelligence Paz, Juan; Julián, Vicente; Villarrubia, Gabriel. - : Springer, 2017 BASE Show details 11 An application to enrich the study of auditory emotion recognition Rodrigues, Paulo Renato Dias; Mendes, Augusto José; Carneiro, Davide Rua. - : IEEE, 2017 BASE Show details 12 7th International Symposium on Ambient Intelligence Lindgren, Helena; Paz, Juan; Novais, Paulo. - : Springer, 2016 BASE Show details 13 6th International Symposium on Ambient Intelligence Mohamed, Amr; Novais, Paulo; Pereira, António. - : Springer, 2015 BASE Show details 14 5th International Symposium on Ambient Intelligence Ramos, Carlos; Novais, Paulo; Nihan, Céline. - : Springer, 2014 BASE Show details 15 Selection of a visible-light vs. Thermal infrared sensor in dynamic environments based on confidence measures Fernández Caballero, Antonio; López Bonal, María Teresa; Serrano Cuerda, Juan. - 2014 BASE Show details 16 Online dispute resolution: an artificial intelligence perspective Carneiro, Davide Rua; Novais, Paulo; Andrade, Francisco Carneiro Pacheco. - : Springer Verlag, 2014 BASE Show details 17 4th International Symposium on Ambient Intelligence Berlo, Ad; Hallenborg, Kasper; Rodríguez, Juan. - : Springer, 2013 BASE Show details 18 The relationship between stress and conflict handling style in an ODR environment Novais, Paulo; Carneiro, Davide Rua; Gomes, Marco. - : Springer, 2013 BASE Show details 19 3rd International symposium on ambient intelligence Hallenborg, Kasper; Tapia, Dante I; Novais, Paulo. - : Springer, 2012 BASE Show details 20 Using case-based reasoning to support alternative dispute resolution Carneiro, Davide Rua; Novais, Paulo; Andrade, Francisco Carneiro Pacheco. - : Springer, 2010 BASE Show details Page: 1 2

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