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Food frequency questionnaires (FFQ), like the Diet History Questionnaire (DHQ) developed by researchers at the National Cancer Institute (NCI), are commonly used to estimate long-term total daily energy and nutrient intake. However, the methodology used to create the database to determine dietary in
Β΄Fuzzy types have been developed as a new way of managing fuzzy structures. With types of this kind, properties are ordered on different levels of precision or amplitude, according to their relationship with the concept represented by the type. In order to implement this new tool, two different stra