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Information requirements are specifications of an information need. These are typically captured to request information or to develop an information system, process or document. The following are common examples of information requirements.
SourceA specification of how information will be acquired.FormatFormat specifications such as a standard date format for a user interface.TransformationTransformations that will be applied to information such as business rules for displaying an account status.CalculationCalculations such as a formula for calculating a metric.
TimelinessTime-based requirements such as a requirement that a field be updated every minute.StructureInformation structures such as categories, tags, hierarchies and document templates.Controls such as the authentication and authorization required to view information.
Requirements that information be secured from unauthorized access, deletion, modification or disruption.IntegritySpecifications for the quality of information such as validation rules.CredibilitySpecifications concerning the credibility of information such a list of trusted sources for market data.
AvailabilityThe availability of an information source such as a target uptime for a knowledge management tool of 99.9%.CompletenessThe scope, depth and coverage of information. For example, the requirement that descriptions of food products include a full ingredient list.RelevanceThe relevance of information such as a requirement that an ecommerce search for men's clothing not return any items classified as women's or children's clothing.
Requirements for user interfaces for accessing information. For example, the requirement that product information be displayed in a dense format so that information can be consumed without scrolling or navigating multiple pages.ReadabilityReadability related requirements in areas such as image size, font size, grammar, spelling and writing style.
Information Science
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