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1995). The second one is a pragmatic approach aimed at defining data quality in
an operational fashion (Wand & Wang, 1996). Wang & Strong (1996) identified
four data quality categories after evaluating 118 variables (Wang & Strong, 1996):
(1) intrinsic data quality; (2) contextual data quality (defines the quality of the information
within the context of the task); (3) data quality for data representation:
determines if the system presents the information in a concise, consistent, understandable
way; and (4) data quality regarding data access (defines quality in terms
of the role of the information system in the provision of the data). Table 1 summarizes
the results of academic research on the multiple dimensions applicable to
information quality, comparing results from Delone and McLean (1992), Hoxmeier
(2000), Jarke and Vassiliou (1997), Lee, Strong, Kahn, and Wang (2002), Wand and
Wang (1996), and Zmud (1978).
DSS-METRIQ.Overview.
In this section we introduce DSS-METRIQ. The methodology is composed of five
phases: scenario, information gathering, requirements integration, data source se-
Proposal Intrinsic Contextual Representation Accessibility
Lee et al.
Accuracy
Credibility
Reputation
Objectivity
Understandable data
Concise representation
Interpretability
Consistency
Added value
Relevance
Completeness
Timeliness
Accessibility
Security
Easy operation
Zmud Accuracy Reliability
Timeliness
Order
Legibility
Jarke and Vassiliou
Accuracy
Consistency
Completeness
Credibility
Relevance
Timeliness
Usefulness
Up-to-date
Volatility
Interpretability
Syntax
Semantics
Alias
Source
Accessibility
Availability
Privileges
Delone and McLean
Reliability
Accuracy
Precision
Relevance
Timeliness
Usefulness
Content
Completeness
Opportunity
Understanding
Legibility
Clarity
Format
???Look and feel???
Conciseness
Uniqueness
Comparability
Usefulness
Accessibility
Convenience
Wand and Wang Correctness
Ambiguity Completeness Meaning
Table 1.
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