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New topics
Two new topics are currently available:
Throughout time spatial features and their properties change. How to describe and to model this dynamics? This Lesson presents numerous methods for summarising and modelling Time change and its effects on thematic and spatial dimensions. It is also an attempt to organise these multiple methods in a structured manner, according to specific objectives.
Uncertainties and their propagation within the spatial analysis process is certainly a very sensible but very complex issue. As they affect results of an analysis, they should be carefully tracked and evaluated for estimating the degree of uncertainty of produced results. This Lesson presents concepts behind the theory of uncertainty and error propagation. It identifies sources of uncertainties within geographic information and its process. It illustrates several situations as well as methods of evaluation.
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