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We analyse interoperability tasks of 40 OJS journals with different usage levels, and identify the main problems present for exchanging information with various platforms and databases (DOAJ, Scielo, Dialnet, Redib).

The problems are grouped into two kinds: those attributed to the lack of technical training for the jpurnal editorial teams, and those related to the conditions of interoperability of the platform itself, or that of  other systems.

Understanding the causes behind these interoperability problems contributes to the generation of technical improvement proposals for different scientific information platforms as well as the training of the editorial teams themselves.