id	domain	url
spir-9056	spir.aoir.org	http://spir.aoir.org
spir-9056	hdl.handle.net	http://hdl.handle.net/2027.42/97552
spir-9056	research.microsoft.com	http://research.microsoft.com/enus/collaboration/fourthparadigm/4th_paradigm_book_complete_lr.pdf