By means of a bibliographical review on digital metadata in the information science field, aiming to distinguish the various functionalities of metadata and employing thematic content analysis, it was noticed the recurrence of technologies like XML, RDFS, ontology, data warehouses, semantic Web, Web services, among others, and of certain categories connected to metadata functions that grounded the examined works.
Based on these findings, adopting a technical and historical approach, the functional categories were related to the technologies and it was showed how the categories were
expounded in 19 texts selected from the review. It was observed that studies and technologies that deal with models and standards for digital preservation adopt more comprehensive and integrated perspectives, encompassing all or nearly all categories. Based on the results, trends and issues noticed in the bibliographical review were
commented and approaches and methodology for analysis of metadata and related technologies were suggested.; Revisão bibliográfica sobre metadados digitais no campo da ciência da informação, objetivando precisar as várias funcionalidades dos metadados. Empregando-se uma técnica de análise de conteúdo temática, constatou-se a recorrência de tecnologias como XML...