what do mean by information retrieval
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Information retrieval (IR) is the activity of obtaining information resources relevant to an information need from a collection of information resources. Searches can be based on full-text or other content-based indexing. 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. An IR systems is a software that provide access to books, journals and other documents, stores them and manages the document. Web search engines are the most visible IR applications.
Automated information retrieval systems are used to reduce what has been called information overload. An IR systems is a software that provide access to books, journals and other documents, stores them and manages the document. Web search engines are the most visible IR applications.
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iformation retrieval
the tracing and recovery of specific information from stored data.
the tracing and recovery of specific information from stored data.
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