Systems For Information Retrieval
Mostrando 13-24 de 95 artigos, teses e dissertações.
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13. Avaliação de uma intervenção com codificadores hospitalares para melhoria da informação sobre internações por causas externas
The Hospital Information System of the Brazilian Unified Health System (SIH-SUS) isan important national database on hospital morbidity. However, the underreporting ofsome types of causes has become a problem in terms of data reliability. Theobjective of this study is to characterize the process of morbidity coding in hospitaladmissions by external causes ca
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 30/06/2010
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14. A recuperação da informação e a colaboração de usuários na Web
The existence of Information Retrieval characteristics in users collaboration on the Web research is investigated as a mean to propose new developments to the field. Information Retrieval and systems definitions are reviewed and contextualized with the greater value given to information in current society, characterized by the emergence of Information and Co
Publicado em: 2010
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15. Técnicas de visualização para sistemas de recuperação de imagens por conteúdo / Visualization techniques for content-based image retrieval
A Content-Based Image Retrieval (CBIR) system offers mechanisms needed to search and retrieve images based on visual properties such as color, texture, shape, etc. In an image search process, the presentation of results is an essential component as the retrieval of relevant images is the reason of the system existence. Consequently, the use of appropriate vi
Publicado em: 2010
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16. Gerenciamento de anotações semanticas de dados na Web para aplicações agricolas / Management of semantic annotations of data on the Web for agricultural applications
Geographic information systems (GIS) are increasingly using geospatial data from the Web to produce geographic information. One big challenge is to find the relevant data, which often is based on keywords or even file names. However, these approaches lack semantics. Thus, it is necessary to provide mechanisms to prepare data to help retrieval of semantically
Publicado em: 2010
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17. Arcabouço genérico baseado em técnicas de agrupamento para sistemas de recomendação / Cluster-based generic framework for recommender systems
A diferença entre o conjunto de dados disponíveis e o conjunto dos dados que interessam a um usuário é enorme e, em geral, cresce diariamente, uma vez que o volume de dados produzidos todos os dias só aumenta. Identificar todo o conjunto de dados de interesse de um usuário utilizando mecanismos tradicionais é muito difícil - talvez impossível. Nesse
Publicado em: 2010
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18. Uso de técnicas de aprendizagem para classificação e recuperação de imagens / Use of learning techniques for image classification and retrieval
Técnicas de aprendizagem vêm sendo empregadas em diversas áreas de aplicação (medicina, biologia, segurança, entre outras). Neste trabalho, buscou-se avaliar o uso da técnica de Programação Genética (PG) em tarefas de recuperação e classificação de imagens. PG busca soluções ótimas inspirada pela teoria de seleção natural das espécies. In
Publicado em: 2010
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19. Compartilhamento da informação como subsídio para o processo decisório : estudo de caso da cadeia produtiva avícola o significado para o usuário
The agro industry of chicken, field of study of this research, is important for the national economy, mainly by generating an expressive number of direct an indirect jobs. In spite of recent and victorious story of success of the sector in the country, some factors are of concern because it can directly affect the competitiveness of the segment. Globalized m
Publicado em: 2010
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20. Uma proposta de construção de índice invertido para recuperação de imagens baseada em conteúdo
This work shows an approach to construct an inverted index for Content-Based Image Retrieval. The objective is to speed up the process of querying without loss of quality in the result. To evaluate the effectiveness of the proposal, two systems for retrieval of images were developed. The first system was used as a basis for comparison. It uses techniques for
Publicado em: 2009
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21. USO DE TEORIAS NO CAMPO DE SISTEMAS DE INFORMAÇÃO: MAPEAMENTO USANDO TÉCNICAS DE MINERAÇÃO DE TEXTOS
This work aim to map the use of information systems theories, based on analytic resources that came from information retrieval techniques and data mining and text mining methodologies. The theories addressed by this research were Transactions Costs Economics (TCE), Resource-based view (RBV) and Institutional Theory (IT), which were chosen given their usefuln
Publicado em: 2009
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22. RAVE au DISCO: recomendaÃÃo automÃtica de vÃdeo como auxÃlio no processo de disseminaÃÃo do conhecimento
In recent years, we have observed a significant growth in the production of multimedia content. It is remarkable to highlight that much of such content is spread out using the Internet infrastructure. However, some characteristics of the content access have made non-trivial the process of lookup for and retrieval of content. Difficulties to access multimedia
Publicado em: 2009
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23. Alfabetização informacional e o uso de tecnologias por bibliotecários de instituições de ensino superior privadas do município do Salvador. / Information literacy and the use of technology by librarians of institutions of private higher education in the city of Salvador.
The objective of this research was to identify and analyze the interrelation among the concepts of information literacy, technology, and information, in daily activities of librarians of private higher education institutions located in the city of Salvador (Bahia, Brazil), until May 2008. In order to accomplish it, an investigation was carried out on how dig
Publicado em: 2009
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24. NavCon : uma arquitetura para navegação conceitual em ambientes de gestão do conhecimento / NavCon: Uma Arquitetura para Navegação Conceitual em Ambientes de Gestão do Conhecimento
Intranets provide access to corporate information, systems and tools for cooperative work. In corporate environments, intranets have been important resource for knowledge management. Intranets are heavily Web-based environments, where the demand for an item is generally performed by a search engine followed by manual navigation. Most users have difficulty in
Publicado em: 2009