Multiple concept networks are generated from subsets of received queries. These concept networks can be used in various ways to enhance response to subsequent queries. In one embodiment, concept networks can be merged into a larger concept network that can be used to infer a user's likely intent given...http://www.google.co.uk/patents/US7707201?utm_source=gb-gplus-sharePatent US7707201 - Systems and methods for managing and using multiple concept networks for assisted search processing
