[GOAL] New milestone for Bielefeld Academic Search Engine: More than 200 million records indexed

[Pieper, Dirk]

Dear colleagues,



since last week, BASE (https://www.base-search.net<https://www.base-search.net/>) lets you search more than 200 million documents. The metadata are provided by more than 8,100 repositories and other

sources.



The main reason for the strong growth is the use of Crossref as another data source in combination with the Unpaywall API and an improved data ingestion workflow. This combination makes it possible to add large amounts of data from publishers to the BASE index and to determine the respective open access share.



In our list of indexed content sources (https://www.base-search.net/about/en/about_sources_date.php) you can find the first major publishers with their total number of indexed documents in BASE and the calculated open access share according to Unpaywall. Another option is to search an entire publisher collection, e.g. Wiley:



https://www.base-search.net/Search/Results?q=dccoll:crwiley



... and to refine the results afterwards, e.g. by restricting them to open access documents.





Please find more information on:

https://www.base-search.net<https://www.base-search.net/>



Follow us:

https://twitter.com/BASEsearch



Best regards,



Dirk


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Dirk Pieper
Bielefeld UL - Deputy Director
Universitätsstr. 25, D-33615 Bielefeld
E-mail: dirk.pieper at uni-bielefeld.de
Tel.: +49 521 106-4010
 www.ub.uni-bielefeld.de
www.base-search.net
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