information reduces uncertainty, improves decision making, or confirms or corrects prior expectations is relevant.
In information science and information retrieval, relevancy can be described as the attributes of a good information which is the extent to which a retrieved document was able to meets the information need of the user.
It should be noted that Relevancy is concerns with timeliness, authority or novelty , hence information reduces uncertainty, improves decision making, or confirms or corrects prior expectations is relevant.
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