filename	doctype	connector	cct-accuracy	cct-%missing
science-exploration-1p.pptx	pptx	dropbox	0.861	0.093
science-exploration-1p.pptx	pptx	box	0.861	0.093
example-10k.html	html	local	0.686	0.037
IRS-form-1987.pdf	pdf	azure	0.783	0.135