对一个xml编写xsd的实例

有坛中兄弟给我发了一个xml，须写xsd验证，这方面我也是新手呢，不过看了http://www.w3school.com.cn/schema/index.asp的教程而已，所以这倒是我第一次写xsd了。

给定xml （project_4.xml）文件如下：

< UWO >
     < Departments >
   < Department >
    < Name > Economics </ Name >
    < Address > Social Science Centre, UWO, London, Ontario, Canada , N6A 5C2 </ Address >
    < Location > SSC 4071 </ Location >
    < Phone > 519 661-3500 x83500 </ Phone >
    < Facsimile > 519 661-3666 x83666 </ Facsimile >
    < Email > economics@uwo.ca </ Email >
    < WEB > http://economics.uwo.ca </ WEB >
   </ Department >
   < Department >
    < Name > Political_science </ Name >
    < Address > Social Science Centre, UWO, London, Ontario, Canada , N6A 5C2 </ Address >
    < Location > SSC 4154 </ Location >
    < Phone > 519 661-3266 x83266 </ Phone >
    < Facsimile > 519 661-3904 x83904 </ Facsimile >
    < Email > polisci-web@uwo.ca </ Email >
    < WEB > http://politicalscience.uwo.ca </ WEB >
    < SERVICES >
     < Service >
      < Name > Local_Government_program </ Name >
      < Phone > 519 661-2111 x80501 </ Phone >