DeeperQA   As a cook I often need to find recipes and their closely related variations in the same way a lawyer or doctor may need to find cases and their variations   In the past I approached this process by asking the computer questions by means of submitting keywords Today the method I use is quite different  Today I find recipes and their variations by query  not by my query of the computer but by the computers query of me   What makes this better is the time I save repeating keyword submissions  to refine responses and find the answer I need  What makes this possible is the computers ability to minimize the number of questions it must ask    The technique is described here