Contourline based modelling of vague regions

This paper introduced a model based on contour lines to represent a vague region modeled as a fuzzy set. The model allows the user to adjust the accuracy of the membership function to the needs of the application and can enforce the continuity of this function whenever desirable

Fuzziness in spatial databases and GIS

This paper explains why and how spatial databases and geographic information systems can benefit from an appropriate representation of imprecise and/or uncertain information. Not only are the imprecission and uncertainty inherent to the data to be modeled, they also appear in both various queries and the result of various queries

Fuzzy and uncertain spatio-temporal database models : a constraint-based approach

In this paper a constraint-based generalised object-oriented database model is adapted to manage spatiotemporal information. This adaptation is based on the definition of a new data type, which is suited to handle both temporal and spatial information. Generalised constraints are used to describe spatio-temporal data, to enforce integrity rules on databases, to specify the formal semantics of a database scheme and to impose selection criteria for information retrieval

Problems and opportunities of applying data-& audio-mining techniques to ethnic music

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