id	domain	url
spir-8860	arxiv.org	http://arxiv.org/pdf/1003.5699.pdf
spir-8860	mappingonlinepublics.net	http://mappingonlinepublics.net/resources/
spir-8860	www.christopia.net	http://www.christopia.net/data/school/2011/fall/social-mediamining/project_proposal/sources/ritterman-2009.pdf
spir-8860	ssrn.com	http://ssrn.com/abstract=1943168
spir-8860	dx.doi.org	http://dx.doi.org/10.2139/ssrn.1943168
spir-8860	arxiv.org	http://arxiv.org/abs/1211.6512
spir-8860	blog.gnip.com	http://blog.gnip.com/expected-vs-unexpected-events-in-social-media