Both the Handle and the DOI are systems of identification of digital objects that allow to assign one PURL ("persistent uniform resource locator") to electronic documents (books, magazine articles, congresses, teaching materials, etc.).
The Digital Object Identifier (DOI) is a unique and permanent identifier for electronic publications that provides information on the description of digital objects (magazines, articles, etc.), as well as its location on the Internet (using the corresponding metadata).
Unlike the URL system of the web pages, the DOI system It does not change over time although the article is relocated to a different address. The reason for this permanence is the incorporation of all the information affected in the form of metadata.
The DOI is primarily assigned to articles in electronic journals, but also to books, book chapters, conference communications, videos and other digital objects.
The main benefits of the DOI are:
The DOI is an alphanumeric code, based on the NISO Z39.84 norm, DOI Syntax, which presents the following structure:
The main advantages offered by the identification of scientific publications through a DOI are:
Some recommendations related to the use of DOI are:
The unit responsible for the management of the DOI in the UPC and Digital Polytechnic Initiative (IDP), management that presents the following characteristics: