Information Retrieval
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Information retrieval is the activity of obtaining information resources relevant to an information need from a collection of information resources. Searches can be based on metadata or on full-text indexing. Automated information retrieval systems are used to reduce what has been called information overload. Many universities and public library|public libraries use IR systems to provide access to books, journals and other documents. Web search engines are the most visible Information retrieval applications|IR applications.
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Web Pages    
Data Mining    
Indexation    
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