230
Barbara Carminati and Elena Ferrari
xmlns:xlink=”http://www.w3.org/1999/xlink”
xmlns:xsi=”http://www.w3.org/2001/XMLSchema-instance”
xsi:schemaLocation=”http://www.opengis.net/examples city.xsd”>
Cambridge
Cambridge
0.0
0.0
The river that runs through Cambridge.
Cam
0
50
70
60
100
50
M11
0
5.0
20.6
10.7
80.5
60.9
motorway
11
Fig. 10.4. GML document modeling Cambridge’s rivers and roads [24]
Barbara Carminati and Elena Ferrari
xmlns:xlink=”http://www.w3.org/1999/xlink”
xmlns:xsi=”http://www.w3.org/2001/XMLSchema-instance”
xsi:schemaLocation=”http://www.opengis.net/examples city.xsd”>
Fig. 10.4. GML document modeling Cambridge’s rivers and roads [24]