An example of the last point is : a realtor could use a GIS to find all houses within a certain area that have tiled roofs and five bedrooms, and then list their characteristics.

• 房地产经纪人可以用GIS在一定的区域内寻找满足下列条件的所有房屋：瓦盖的屋顶、 五个房间，并可列出它们的所有特点。