Systems and methods for the unification of search results are described. In one described system, a program, such as a search engine, executing on a client device receives a search query. The search engine executes the search on a local index and receives a first result set, which is relevant to the...http://www.google.de/patents/US7437353?utm_source=gb-gplus-sharePatent US7437353 - Systems and methods for unification of search results
