Today it's difficult to effective searching the internet because it's a huge collection of documents. Currently most people search documents by just typing a few keywords. But this is very import keywords for searching documents. This paper suggests that the world location information is import element for searching relevant documents. This paper suggest that using world location information of a user query can exactly improve the result of information retrieval system. This paper makes directly experiments on retrieval system with various weight methods of world location information.
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