fuzzy sets

Dealing with missing information in linguistic summarization: a bipolar approach

Linguistic summaries of databases provide quick insight in the stored data and are important facilities for understanding and grasping the meaning of large data collections. This is especially relevant in the context of big data. However, large data …

Automating actualisation of geographic information using the twofold fuzzy region model

In this paper a new method is proposed for automating quality control and actualisation of spatial information using image data. A new model for imperfect geographic information is explored for this purpose: a two fold fuzzy region model; which is an …

A twofold fuzzy region model for imprecise (duality control of geographic information

In this paper we propose a new data model for imperfect geographic information: a twofold fuzzy region model; which is an extension of both the fuzzy region model and the egg/yolk model. We show how it is meaningful and practically useful in …

Measuring quality of geographical information using imperfect reference data