Browsing by Advisor "e36d4e63-960d-4f5c-9c93-f8b7f5f93d65"
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Representação multimodal para classificação de informação
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Ciência da Computação - PPGCC, Câmpus São Carlos, 08/06/2018)The most basic meaning of "multimodality" is the use of multiple means of information to compose an "artifact", a man-made object that expresses a concept. In our day-to-day life, most media outlets use multimedia to express ... -
Alinhamento texto-imagem em sites de notícias
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Ciência da Computação - PPGCC, Câmpus São Carlos, 02/03/2018)Text-image alignment is the task of aligning elements in a text with elements in the image accompanying it. In this work the text-image alignment was applied in news sites. A lot of news do not make clear the correspondence ... -
Descoberta automática de expressões multipalavras a partir de textos paralelos
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Ciência da Computação - PPGCC, Câmpus São Carlos, 11/10/2018)Multiword Expressions (MWEs) are a current challenge for Natural Language Processing field and there are different proposed automatic methods to treat and discovery them. We propose in this work two new bilingual discover ... -
Descrevendo regiões de imagens através de redes neurais profundas e abstract meaning representation
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Ciência da Computação - PPGCC, Câmpus São Carlos, 28/05/2020)The world around us is composed of images that often need to be translated into words. This translation can take place in parts, converting regions of the image into textual descriptions. The description of the region of ... -
Um analisador sintático neural multilíngue baseado em transições
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Ciência da Computação - PPGCC, Câmpus São Carlos, 24/01/2017)A dependency parser consists in inducing a model that is capable of extracting the right dependency tree from an input natural language sentence. Nowadays, the multilingual techniques are being used more and more in ... -
Geração de vetores de sentido para o português
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Ciência da Computação - PPGCC, Câmpus São Carlos, 03/07/2019)Numerical vector representations are able to represent from words to meanings, in a low-dimensional continuous space. These representations are based on distributional modeling, where the context in which the word occurs ... -
Análise de polaridade e de tópicos em tweets no domínio da política no Brasil
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 14/10/2021)The political scenario in Brazil is one of the busiest and most controversial in the last decade. With the advent of social networks, a new communication channel between voters and politicians was created, with users having ... -
Multimodal classification for detecting products that do not comply with the Americanas S.A.'s marketplace sales policies
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Ciência da Computação - PPGCC, Câmpus São Carlos, 19/04/2022)Multimodal learning for the e-commerce domain, some classification methods are ne- eded for categorization, information retrieval and product recommendations, which are generally composed of different modalities: images ... -
Detecção automática de postagens possivelmente depressivas em redes sociais
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 22/11/2021)Currently, depression is one of the most worrisome mental health issues. In Brazil, in 2019, 10.2% of the adult population reported having been diagnosed with depression according to data from the National Health Survey. ... -
Aprendizado multilíngue e multimodal para o português do Brasil
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 30/08/2023)This work explores the domain of multimodal machine translation, which is a process that combines information from different modalities – such as text, images, and audio – to perform translations between languages. Thus, ... -
Aprendizado sem-fim de paráfrases
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Ciência da Computação - PPGCC, Câmpus São Carlos, 04/03/2016)Use different words to express/convey the same message is a necessity in any natural language and, as such, should be investigated in research in Natural Language Processing (NLP). When it is just a simple word, we say ... -
Construção automática de grafo de conhecimento no domínio do e-commerce
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Ciência da Computação - PPGCC, Câmpus São Carlos, 27/04/2022)Extracting knowledge efficiently, when large volumes of data are generated daily, is still a challenge. In most cases, these data are unstructured, that is, they are presented in textual or visual format without a clear ... -
Abordagem computacional para avaliação automática da qualidade da argumentação na dimensão retórica de tweets no domínio da política brasileira
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Ciência da Computação - PPGCC, Câmpus São Carlos, 08/05/2023)Research in the area of argumentation, inherent to human beings and essential for both spoken and written communication, dates back to the 4th century BC. The argument is multidisciplinary and covers several fields of ... -
Análise de emoções em tweets de resposta a posts do ex-presidente do Brasil Jair Messias Bolsonaro
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 30/08/2023)In recent decades, several computational advances have allowed more democratic access to the internet and, consequently, to social networks. The reach of digital politics is vast, and Twitter’s role in this scenario is ...