Very nice project, thanks for introducing me to IBM Watson. I will also play with it a little bit:)
I don't know how it determines Openness and stuff, pasted one of my texts in there, it gave out 'interesting' results:)
My idea is not that difficult to get to MVP, but here it is anyway:
In a nutshell: an inverted ecommerce site, where you ask for the best phone under $200, no contract, and this and that are important to you, and people bid and tell you their recommendations and why (along with buy links / affiliate links).