Improvement of editorial quality of journals indexed in DOAJ

In 2013, Directory of Open Access Journals (DOAJ) completely changed the inclusion criteria and journal evaluation process, starting to remove journals that not comply with these criteria. The present dataset contains 12.577 journals included in DOAJ since the launch of the Directory in 2002 until May 15th, 2016 that was examined and enriched with other data, in order to examinatethe results of the new process and its capability to improve the quality of the directory and the reliability of the contained information.