swissbib contained over 30 million records from approximately 970 Swiss libraries (harvested from 17 networks) and 10 repositories. Included were 6.5 million record for articles acquired as national licences.

The data was harvested in different formats and was normalized, clustered and merged in CBS (Central Bibliographic System by OCLC). This data was input for all services based on the swissbib datahub:

• the user interfaces of swissbib

• the different APIs

• the additional process for converting MARC data to linked data, developed in the project linked. swissbib