This study aims at investigating procedures of semantic and linguistic extraction keywords from metadata documents indexed in the Institutional Repository Unesp. For that purpose, a web crawler was developed, collected 325.181 authors, all fields knowledge, February 28th, 2013 to November 10th, 2021. The preparation collection, analysis environment used Python programming language, composed thr...

After two decades of repository development, some conclusions may be drawn as to which type of repository and what kind of service best supports digital scholarly communication. In this regard, four types of publication repository may be distinguished, namely the subject-based repository, research repository, national repository system, and institutional repository. Two important shifts in the ...

The stated aim of many repositories is to provide permanent open access to their content. However, relatively few repositories have implemented practical action plans towards permanence. Repository managers often lack time and confidence to tackle the important but scary problem of preservation. Written by, and aimed at, institutional repository managers, this paper describes how the JISC-funde...

Purpose – The purpose of this paper is to outline the development of the institutional repository of Utrecht University, the Igitur Archive. The Utrecht repository is unique for several reasons: it was started several years before the international repository movement began; the repository is combined with an e-publishing service, Igitur, Utrecht Publishing and Archiving Services; and because t...