12. A method comprising: receiving, by a computing device, a question relating to at least one information category; determining, by the computing device, at least one search term based upon the question; selecting, by the computing device, at least one web site corresponding to the at least one information category; conducting, by the computing device, a web search of the at least one web site for the at least one search term by invoking a search engine to search for the at least one search term, and a URL of the at least one web site is provided to the search engine as a site scope modifier to restrict the search to the at least one web site, the site scope modifier specifying the at least one web site to which the query is restricted; and selecting, by the computing device, the at least one web site associated with the at least one information category from a mapping table that associates the at least one web site with the at least one information category, the mapping table specific to a type of online forum.
12. A method comprising: receiving, by a computing device, a question relating to at least one information category; determining, by the computing device, at least one search term based upon the question; selecting, by the computing device, at least one web site corresponding to the at least one information category; conducting, by the computing device, a web search of the at least one web site for the at least one search term by invoking a search engine to search for the at least one search term, and a URL of the at least one web site is provided to the search engine as a site scope modifier to restrict the search to the at least one web site, the site scope modifier specifying the at least one web site to which the query is restricted; and selecting, by the computing device, the at least one web site associated with the at least one information category from a mapping table that associates the at least one web site with the at least one information category, the mapping table specific to a type of online forum. 18. The method of claim 12 , wherein determining at least one search term comprises selecting the at least one search term from the question using a search term extractor.