Explain the role of information retrieval in social media.
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Information Retrieval is the process of obtaining relevant information from a collection of informational resources. ... So, we have to think about what concepts IR systems use to model this data so that they can return all the documents that are relevant to the query term and ranked based on certain importance measures.,Information retrieval is the science of searching for information in a document, searching for documents themselves, and also searching for metadata that describe data, and for databases of texts, images or sounds. Automated information retrieval systems are used to reduce what has been called information overload...
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The main objectives of Information retrieval is to supply right information, to the hand of right user at a right time. Various materials and methods are used for retrieving our desired information. The term Information retrieval first introduced by Calvin Mooers in 1951.
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