Explore 769,984 items from 78 institutions


OpenArchives.gr is the largest portal providing a single point of access to Greek scientific digital content of high quality.

It harvests the metadata of collections in Greece that are OAI-PMH compatible. Content providers are libraries, archives, academic and research institutions from Greece and Cyprus.

OpenArchives.gr has been upgrated!


ΕΚΤ has recently migrated OpenArchives.gr into a new aggregation infrastructure offering new and improved search and browsing facilities and a more user-friendly interface.

Also, OpenArchives.gr focuses mainly on scientific and academic content. Cultural collections are available through .gr, the Greek Aggregator for Cultural Heritage Content.

The Web API and Linked Data: two new ways to use data from OpenArchives.gr


OpenArchives.gr now has two new ways of publishing data. The Web API allows third-party applications to search for and display data aggregated here. Linked Data is a publishing approach which allows data integration and use.


Learn more

725,774 items have been enriched and homogenized
by EKT with regards to types


EKT enriches and homogenizes the aggregated content against a hierarchical bilingual Vocabulary of Types that has been created.

Therefore, the content of OpenArchives.gr is been classified to a compact and balanced set of types which gives it semantic cohesion and improves its searchability, presentation and multilingualism.

item types  |  navigate to the content through all item types.

95 collections  |  see all institutions and their collections .

timeline  |  navigate to the content by choosing issue or creation decade.