Links matter much, but alone do not suffice. While it's possible to traverse a graph looking for pretty anything doing so a link at a time is definitively not p

Links matter much, but alone do not suffice. While it's possible to traverse a graph looking for pretty anything doing so a link at a time is definitively not practical. We have arrived to Search Engines for a reason. We need to been able to query our information base, and queries do need sometimes to offer more than mere full-text search. For that from tags to topic modeling many kind of meta-information are needed. They are hard, since automate them is hard, but they give back results that doing otherwise can't be equally reached so...