When you search at Google, in addition to search results, Google often returns a set of search suggestions that might be related to your query. Last month, I wrote about how some of those suggested query refinements might be created follow a method invented in part by Ori Allon, in the post How Google is Generating Query Refinements the Orion Way. But that’s probably not the only source of search suggestions. A Google patent granted this week looks at how Google could grab additional refinements from very recent sources.
For example, the following search for “North Korea” shows a couple of very recent earthquake listings: