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...Information retrieval system concept and scope module b notes introduction is communicated or received knowledge concerning a particular fact circumstance refers to searching through stored find relevant the task at hand in view of this ir deals with representation storage organization access items here types include documents web pages online catalogues structured records multimedia objects etc chief goals are indexing text for useful collection libraries were among first institutions adopt systems retrieving lesson you will be introduced importance definitions objectives also study detail subject approach process languages after studying able define understand need explain library science illustrate differentiate between natural free controlled term was coined by calvin mooers it gained popularity research community from onwards when computers handling then used mean bibliographic document databases but those irs these designed retrieve about existence non user s query other words ea...