Assessing geographic information enhancement
B. van Loenen (TU Delft - OLD Geo-information and Land Development)
Jaap Zevenbergen (TU Delft - OLD Geo-information and Land Development)
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Abstract
Assessment of geographic information infrastructures (or spatial data
infrastructures) is increasingly attracting the attention of researchers in the
Geographic information (GI) domain. Especially the assessment of value added
GI appears to be complex. By applying the concept of value chain analysis to GI,
this paper provides a research framework for unambiguously assessing GI value
adding. The paper details the enhancing process that must be employed to turn
raw geographic information into new services and products regardless of the
organisation performing the enhancement. Not only the differences in technical
characteristics of data sets are identified, also the roles in a value chain of
government organisations and commercial organisations were explored. The
framework is applied to two types of GI in the United States and Europe. The
presented research shows that the framework allows for true comparison of GI
enhancement in different jurisdictions. This should result in better understanding
of the level of GI enhancement in a specific jurisdiction and accordingly in
effective decisions stimulating GI enhancement, geographic information
infrastructures and information societies.
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