This pattern (well, maybe a little more specific than a pattern) builds on the notification pattern I wrote about before.

The basic pattern is when you have a search, if it's ambiguous what the answer is just guess, but provide alternate answers using the notification message box. On the wiki you can prefix your search with goto:, and it will take you directly to a page based on the title. If there is more than one title, it'll guess (badly right now), and offer alternatives. Here is an example (using goto:test).

In another context I've used Javascript instead of a search box; you hit the link, and it does something like javascript: location='/search?query='+escape(prompt('Goto where?')).