17. The method of claim 9 , wherein generating, using one or more computing devices, a set of one or more potential alternative NL queries comprises receiving one or more of the following information: data from a news source; data from a blogging service; data from a social networking service; data from a community-based news article website; data from a news aggregator; trend data from a web-based reference source, the trend data describing recent search statistics related to the web-based reference source; and trend data from a search engine, the trend data describing recent search statistics related to the search engine.
18. The method of claim 17 , wherein the received data are received by one of a search bot, a web feed, and a news feed.