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Libraries are a source of information on different fields of life, different cultures and religions, different times and places. They collect, preserve and given access to recorded knowledge, in all documentary forms, for the benefit of all engaged in research and learning, or with other information needs. They help us adapt to our changing world. In response to the digitisation movement, libraries are also changing the ways they are working. Library power has ...
Information retrieval is the process whereby data or documents are found in the attempt to deal with inquiries that have been posed. The sophisticated retrieval systems like most online bibliographical search systems and complex card catalogues have made changes in the expression of inquiries. Online bibliographical retrieval systems are usually post-coordinate systems wherein complex searches are formulated from their constituent concepts at the time of ...