This thesis explores a novel approach to visual speech modeling. Visual speech, or a sequence of images of the speaker's face, is traditionally viewed as a single stream of contiguous units, each corresponding to a phonetic segment. These units are…

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Effective document retrieval using domain knowledge and semantics is one of the major challenges in Information Retrieval. Over the last years, there has been a growing interest in ontologies as an artifact for human knowledge representation and a critical component…

Após a organização conseguir sanar seus problemas operacionais, surge a necessidade de sistemas para o suporte à tomada de decisão. A área de pesquisa de mineração de dados cresce rapidamente para atender a essas novas necessidades. No entanto, a aplicação…

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The Embrapa Agricultural Instrumentation Center, one of the thematic centers of the Brazilian Agricultural Research Corporation, is an institution of science and technology in instrumentation. Its purpose is to promote Brazilian agribusiness through the generation, adaptation, and transference of knowledge…

One does not have to be a fierce advocate of dialectics to consider the claim that the exercise of dystopic imagination may represent a necessary stage to think a better world. If it is good to know the worst, that does not…

One does not have to be a fierce advocate of dialectics to consider the claim that the exercise of dystopic imagination may represent a necessary stage to think a better world. If it is good to know the worst, that does not…

One does not have to be a fierce advocate of dialectics to consider the claim that the exercise of dystopic imagination may represent a necessary stage to think a better world. If it is good to know the worst, that does not…

solicited review