You know how you try to do some research on the Web, and when you type in a term on your favorite search engine, you get a ton of links related to buying stuff? Bleh.
Totally randomly, I stumbled across Yahoo! Mindset, a demo from Yahoo Research Labs. It uses machine learning applied to the problem of text classification.
Check it out:
Notice how each search term has a little colored bar that tells you if the link is considered more shopping oriented, or research oriented. And you can twiddle the slider to re-rank the results, without a page reload. Sweet.
There’s a FAQ too.