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CrossRef DOI Resolver
Digital Object Idenfiers (DOI) are a persistent identifier strategy used by around 3,000 publishers to identify their documents: mostly scholarly publications. An example of a... -
Open Library
About One web page for every book ever published. It's a lofty, but achievable, goal. To build it, we need hundreds of millions of book records, a brand new database... -
Hungarian National Library (NSZL) catalog
OPAC and Digital Library and the corresponding authority data as Linked Open Data. The used vocabularies are * RDFDC for bibliographic data, * FOAF for name authority entries,...