منابع مشابه
Definition and implementation of vague objects ?
Vagueness occurs often in spatial information. A concept is vague if objects exist that cannot be classified either to the concept or to its complement. Vagueness arises in the presence of borderline cases. Examples are soil maps, geological maps, forestry inventories, and vegetation maps. Soil classes, or vegetation classes are such that they cannot be defined sharply. The change from one clas...
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Topological predicates are an important element of database systems that allow manipulation of spatial data. Based on the necessity for such systems to handle uncertainty, we introduce a general mechanism that identifies vague topological predicates. This definition forms part of a formal data model referred to as VASA (Vague Spatial Algebra), in which the data types vague regions, vague lines,...
متن کاملFictional and Aesthetic Objects: Meinong’s Point of View
In contemporary philosophy there are a great many texts on aesthetics and the ontology of narrative discourse, that discuss Meinong’s theses, agreeing or disagreeing. But Meinong never wrote a single book or article on aesthetics or the ontology of art works, nor did he provide a structured system to deal with fictional aesthetic objects. What he wrote on these matters is to be found in texts d...
متن کاملQuerying Vague Spatial Objects in Databases with Vasa
Recent years have been witness to the increasing efforts of scientists to design concepts and implementations that can adequately handle the vagueness and imprecision that is widespread in spatial data. Plenty of spatial entities, especially those that occur naturally such as mountains and biotopes, contain intrinsic vague attributes that make their representation as crisply bounded entities in...
متن کاملLogical Consistency for Vague Spatiotemporal Objects and Relations
Vagueness is often considered as an inherent property of spatiotemporal phenomena. In order to reduce this vagueness, integrity constraints should be defined to improve logical consistency of spatiotemporal databases. However, existing constraints are not adapted to control logical consistency of vague spatiotemporal objects because they are initially defined for crisp (or non–fuzzy) objects. W...
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ژورنال
عنوان ژورنال: Inquiry
سال: 2019
ISSN: 0020-174X,1502-3923
DOI: 10.1080/0020174x.2019.1610050