Long time ago, I mused¹ about these kind of things, then worked like mad on devising an implementation. Meanwhile, a side project I’ll take up again, one day.
I love the idea of data blogging.
Thinking more along the lines of what Freebase was doing (before Google smothered it), what Fluidinfo² originally intended to do, and what Silk³ seems to be doing best, right now.
¹ http://rhythmvs.tumblr.com/post/19750973162/hello-world ² http://fluidinfo.com ³ https://www.silk.co