This work presents Linnaeus, a tool that supports the cataloging process of learning objects, working with the OBAA metadata standard. The Linnaeus uses an innovative technological solution to support this process of cataloging, integrating the technologies of intelligent agents and educational ontologies in its project. The project aims to provide an intelligent and proactive support, helping users without technical knowledge about learning objects or metadata standards to correctly catalog their objects. This article presents the architecture of Linnaeus and system's ontologies, showing the main features of the prototype tool and the initial results of its use. Resumo.Este trabalho apresenta a ferramenta Linnaeus que apoia o processo de catalogação de objetos de aprendizagem, considerando o padrão de metadados OBAA. O Linnaeus usa uma solução tecnológica inovadora para suportar este processo de catalogação, integrando as tecnologias de agentes inteligentes e de ontologias educacionais em seu projeto. O projeto se propõe a fornecer um apoio inteligente e pró-ativo, ajudando usuários sem conhecimentos técnicos sobre metadados ou padrões de objetos de aprendizagem a catalogar de forma correta seus objetos. O artigo apresenta a arquitetura do Linnaeus e as ontologias aplicadas no sistema, mostra as principais características do protótipo da ferramenta e os resultados iniciais de sua utilização.
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