•Timeliness is an aspect of information that
depends on the situation
–Real-time information – immediate, up-to-date
information
–Real-time system – provides real-time information
in response to query requests
•Characteristics of high-quality information
include:
–Accuracy- Are all the values correct? For
example, is the name spelled correctly? Is the dollar amount recorded properly?
–Completeness - Are any of the values missing?
For example, is the address complete including street, city, state, and zip
code?
–Consistency - Is aggregate or summary
information in agreement with detailed information? For example, do all total
fields equal the true total of the individual fields?
–Uniqueness - Is each transaction, entity, and
event represented only once in the information? For example, are there any
duplicate customers?
–Timeliness - Is the information current with
respect to the business requirements? For example, is information updated
weekly, daily, or hourly?
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