Browsing by Subject "extraction of knowledge"

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Access status: Open Access ,
Geoinformatyczne narzędzia w badaniu gleb
(Wydawnictwa AGH, 2006) Gruszczyński, Stanisław
Present requirements in terms of the content and purposes of documenting soils, unlike traditional soil maps, differentiate three significant circumstances: the possibility of the application of digital techniques of collecting and analysing spatial data, the increase of the role of environmental criteria for the assessment of the quality of grounds, compared to dominating earlier indexes of their values viewed only in the aspect of the needs of agriculture and forestry, and supplementing the list of the goals of documentation with the prediction of the changes in soils influenced by different factors. All these circumstances cause changes in the ways of the interpretation and understanding of spatial soil data. In methodological sense, the tools of the new approach are: including the fuzzy inference as the proper for the procedures of the classification of soils and visualization of the ranges of their units, the application of knowledge discovery in databases (KDD) and data mining (DM) in the modelling of morphologic and spatial relations useful in predicting changes in soils in new environmental conditions. Nowadays, systems of spatial information, equipped with KDD algorithms make - in the relation to the documentation of soils in technologically advanced countries - systems of the extraction of knowledge and information, allowing environmental risk assessment related to the propagation of pollutants and complex studies of their transformations under the influence of multidirectional anthropogenic influence. In the paper the application of KDD algorithms was presented in the assessment of present and forecasted state of soils.