Interoperabilidade das bibliotecas digitais: o papel dos sistemas de identificadores persistentes - URN, PURL, DOI, Handle System, CrossRef e OpenURL
Palavras-chave:
bibliotecas digitais, identificadores persistentes, URI, URN, PURL, DOI , CrossRef, Handle System, OpenURLResumo
O conceito de repositórios digitais distribuídos e interoperáveis - sejam eles bibliotecas ou arquivos digitais - para ser viável, depende fortemente de uma infra-estrutura de identificação persistente e da confiabilidade do esquema de links entre recursos informacionais distintos, porém relacionados, de forma a assegurar ao usuário o acesso contínuo e conveniente aos conteúdos digitais. Neste trabalho, descreve-se o atual estado da arte da identificação persistente na Internet e da vinculação por links, tendo como foco a interoperabilidade das bibliotecas digitais de arquitetura aberta. Contrastam-se as diversas abordagens e analisam-se os mais importantes esquemas e o relacionamento entre eles: URN, PURL, DOI, CrossRef, Handle System and OpenURL.
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