Alternative search query suggestions have become expected when you search on a keyword. Google, Bing and Yahoo execs say it offers the searcher information they might not have looked for on their own. Bill Slawski has discovered a Google patent application that might provide another example of when a searcher might need a query suggestion.
He writes that the process described could use the full documents identified within the search results in the original query, or a summary or short snippet, possibly up to 1,000 words, from those documents to provide suggested terms.
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