BACKGROUND Exacerbation of asthma has a negative impact on quality of life and increases the risk of fatal asthma. One of the known risk factors for patients with a history of near-fatal asthma is reduced sensitivity to dyspnea. OBJECTIVE We aimed to identify patients with such risk before they experienced severe exacerbation of asthma. METHODS We analyzed asthma symptoms and peak expirator...

In this paper, the effect of high school students on mathematics achievement by taking active participation and absent was investigated using fuzzy logic modeling. The questionnaire prepared researcher is applied to determine students. These written exam scores are used in order evaluate absences achievements until end 1st semester exam. study, inputs absent, output achievement. data were tabul...

The goal of this work is to find some tools that allow us to extract information from an interval-valued L-Fuzzy context in which there are unknown values. Using the idea of frequent sets that appears in data mining we will give the definition of a frequent interval-valued Lfuzzy set and we will use this definition to decide when we can eliminate an object or an attribute of the context with so...