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Purpose The purpose of this paper is to investigate how extensively LOCKSS/CLOCKSS, Portico, and e‐Depot provide long‐term digital archiving for the journals listed in the Directory of Open Access Journals (DOAJ). Design/methodology/approach The paper uses publicly available online data, which are processed in a set of PERL programs to measure the number of DOAJ articles in the three archiving systems. Findings The findings show that only 8 per cent of the DOAJ titles are in LOCKSS/CLOCKSS and only 5 per cent in Portico. The findings also suggest that it could take eight years to archive all full text DOAJ articles in e‐Depot based on current plans. Practical implications The most important implication is that most open access titles listed in DOAJ currently have no effective long‐term digital archiving. Originality/value The paper investigates how extensively LOCKSS/CLOCKSS, Portico, and e‐Depot provide long‐term digital archiving for the journals listed in the Directory of Open Access Journals (DOAJ).
Michael Seadle (Tue,) studied this question.