At present, there are more than 60 million digital objects registered in the world, 
including journals, papers, movies, The government publications are all available,
and it has become an international trend. Airiti DOI join the International Digital
Identifier Foundation (International DOI Foundation) in July 2011 is also the
only one in Taiwan.The DOI Registration Center follows the DOI policy to
DOI policy to provide professional DOI application and registration consultation,
actively exchange and share with national publications.