please tell me what should i do when i have many information source.( i need a architect's approach)

i am developing a website which will show details of different institutions/college. i have got many 开发者_JAVA技巧information source for my website, means i will collect information from 4-5 webservices/websites as xml files in which their will be name, address, user rating, and detais. please tell me how to manage "DETAIL" field. as i have 4-5 sources and may be i will get different details for same institute so whose detail i should show? how to select this.

please help me and give me some good approach that how and what to do in such situation

If they mean the same thing, treat them as the same. If they mean different things, you'll have to decide whether to split your details into two or more information types and, depending on what webservice you're calling, use the appropriate one.