We know Google Maps can list businesses as being in a mall or other locations. But did you know some businesses can set that information by editing their information in web search. When you see a local result in Google, and you click suggest an edit, some listings let you edit where that business is located in.
Colan Nielsen posted a screen shot of this feature in the Local Search Forums. It shows a section for "located within." It says if this place is located within another, enter the containing place." It then lets you search for a place or business that you are located within.
Here is the screen shot:
Forum discussion at Local Search Forums.
Note: This story was pre-written and scheduled to be posted now, I am currently offline for a holiday.