Patent ID: 9015045
Filing Date: 2015-04-21
Classification: G06F,G10L

Abstract:
1. A computer-implemented method for refining a search comprising: receiving, using one or more computing devices, a first speech signal corresponding to a first utterance; receiving a second speech signal corresponding to a second utterance, wherein the second utterance is a refinement to the first utterance; identifying information associated with the first speech signal as first speech signal information; identifying information associated with the second speech signal as second speech signal information; determining a first quantity of search results based upon, at least in part, the first speech signal information; determining a second quantity of search results based upon, at least in part, the second speech signal information; comparing at least one of the first quantity of search results and the second quantity of search results with a quantity of search results from a combination of information of the first and second signals; and determining an information gain from the comparison.