نتایج جستجو برای: fuzzy boolean
تعداد نتایج: 112702 فیلتر نتایج به سال:
In this paper, we study the notion of an ample or complete field, a special case of the well-known fields and σ-fields of sets. These collections of sets serve as candidates for the domains of possibility and necessity measures, and are therefore important for the further development of a general fuzzy set and possibility theory. The existence of a one-one relationship between ample fields and ...
This paper proposes an approach aimed at obviating empty answers for a family of conjunctive queries involving Boolean or fuzzy value constraints. Contrary to the approaches based on a relaxation of the predicates involved in the query, the principle suggested here consists in replacing the query by another one similar which has been processed previously and whose answer is known to be non-empt...
In this paper we extend the problem of mining weighted association rules. A classical model of boolean and fuzzy quantitative association rule mining is adopted to address the issue of invalidation of downward closure property (DCP) in weighted association rule mining where each item is assigned a weight according to its significance w.r.t some user defined criteria. Most works on DCP so far st...
Determining the feasibility of a large-scale afforestation program is one approach being investigated by the Government of Canada to increase Canada's potential to sequester carbon from the atmosphere. Large-scale afforestation, however, requires knowledge of where it is suitable to establish and grow trees. Spatial models based on Boolean logic and/or statistical models within a geographic inf...
Because conventional Boolean retrieval of soil survey data and logical models for assessing land suitability treat both spatial units and attribute value ranges as exactly specifiable quantities, they ignore the continuous nature of soil and landscape variation and uncertainties in measurement which can result in the misclassification of sites that just fail to match strictly defined requiremen...
استفاده از روشهای دادهکاوی مکانی یا درونیابی مکانی و روشهای مقایسهای وزندار میتواند نقش تعیینکننده و مؤثری در تعیین و تخمین میزان مطلوبیتهای محلی شاخصهای مختلف مؤثر در قیمتگذاری املاک داشته باشد. در این تحقیق عوامل مؤثر در قیمت املاک به چهار دسته کلی عوامل اقتصادی و بازاری، عوامل فیزیکی و رفاهی، ویژگیهای همسایگی و دسترسی و ویژگیهای سازمانی تقسیم میشود. عوامل یا ویژگیهای سازمانی ...
There have been a number of previous successful efforts that show how fuzzy logic concepts have homomorphic-like stochastic correspondences, utilizing one-point coverages of appropriately constructed random sets. Independent of this and fuzzy logic considerations in general, boolean relational event algebra (BREA) has been introduced within a stochastic setting for representing prescribed compo...
Sorting algorithms are common tools for manipulating data and used in both standalone circumstances and within larger more complex algorithms. Thus, it is highly desirable for sorting algorithms to be efficient in terms of storage and computation. By applying the concept of fuzzy logic (an abstract version of Boolean logic) to any well-known algorithm, it generates an abstract version (i.e., fu...
Blogs are user generated content discusses on various topics. For the past 10 years, the social web content is growing in a fast pace and research projects are finding ways to channelize these information using text classification techniques. Existing classification technique follows only boolean (or crisp) logic. This paper extends our previous work with a framework where fuzzy clustering is o...
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