... they are? There are a lot of people tackling bits and pieces of the problem. Tom Mitchell's NELL project was an early one, using the web in all its messy g

... they are? There are a lot of people tackling bits and pieces of the problem. Tom Mitchell's NELL project was an early one, using the web in all its messy glory...http://rtw.ml.cmu.edu/rtw/ http://rtw.ml.cmu.edu/rtw/ Lots of other folks here (CMU). Particularly if you add an active learning. Hard messy problem that crosses databases and ML.