I had a yen for tuna sashimi after watching Iron Chef the other night, but I didn't know where to go to satisfy my craving. Starting today, we are introducing a new feature that makes it easier to search for specific menu items for the times when you know what you want to eat but don't know where to go. By extracting structured content â€" in this case, menu items - from unstructured web pages and matching them to restaurant entities, Yahoo!