Information needs

In information science, library science, and information retrieval, an information need is person's gap in knowledge leading to a description of information they lack. It is closely related to relevance: if something is relevant for a person in relation to a given task, the person needs the information for that task.

Information needs are related to, but distinct from information requirements. They are studied for:

  1. The explanation of observed phenomena of information use or expressed need;
  2. The prediction of instances of information uses;
  3. The control and thereby improvement of the utilization of information manipulation of essential conditions.
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