DOI of the Publications
Assigning DOIs (Digital Object Identifiers) to scientific productions in a simple and efficient way.

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Subscribing entities
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Scientific journals
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Institutional repositories
62 108
Registered DOIs

Simplifying the identification of scientific productions
O Digital Object Identifier (DOI) It is a unique and persistent identifier that unequivocally distinguishes digital objects, such as scientific publications and research datasets. Composed of an alphanumeric code, the DOI It includes a URL, prefix, and suffix, making it easier to locate and access scientific publications.

Unique identification of scientific productions
O serviço de atribuição de DOIs permite o registo de DOIs para produções científicas, como artigos, teses, relatórios, entre outros. A atribuição de DOIs está a cargo de agências, como a DataCite, garantindo a autenticidade dos DOIs. A FCT disponibiliza este serviço à comunidade académica em Portugal através da rede Repositórios Científicos de Acesso Aberto de Portugal (RCAAP). Após a atribuição, o DOI It should be included in the bibliographic references, ensuring the unique and permanent identification of scientific works.
Main reasons for using DOI in scientific productions
Unique Identification
THE DOI It provides a unique and permanent identifier for each scientific publication, facilitating its location and accurate citation within the academic community.
Improved visibility
The inclusion of DOI Including bibliographic references increases the visibility of scientific works, ensuring that they are easily found and accessed by other researchers.
Metadata integration
With the DOI, é possível associar produções científicas e seus metadados a autores, financiadores e instituições, promovendo uma compreensão mais ampla do contexto e impacto da pesquisa.
Simplification of registration
The DOI assignment service simplifies the registration process, allowing researchers to focus on their scientific production, while registration agencies ensure the authenticity and integrity of DOIs.
Target Audiences
Subscribers
Frequently Asked Questions
The time required for the assignment of a DOI It can vary, but generally, it happens quickly, taking anywhere from a few days to a few weeks, depending on the volume of requests and the review process.
THE DOI The ISBN (International Standard Book Number) is a unique and permanent identifier used for various types of scientific publications, while the PMID (PubMed Identifier) is specific to articles indexed in PubMed, and the ISBN is used exclusively for books. DOI It has the advantage of being applicable to a wide range of productions and of ensuring persistence and accessibility.
To have a DOI For scientific publications, it offers several advantages, including a unique and permanent identifier, facilitating the location and citation of publications, increasing the visibility and impact of the work, and guaranteeing the integrity and authenticity of the data.
The administration and maintenance of assigned DOIs is the responsibility of registration agencies, such as DataCite, which ensure the integrity and availability of assigned identifiers.

