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Using Level-2 Fuzzy Sets to Combine Uncertainty and Imprecision in Fuzzy Regions

机译:使用2级模糊集组合模糊区域中的不确定性和不精确性

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摘要

In many applications, spatial data need to be considered but are prone to uncertainty or imprecision. A fuzzy region - a fuzzy set over a two dimensional domain - allows the representation of such imperfect spatial data. In the original model, points of the fuzzy region where treated independently, making it impossible to model regions where groups of points should be considered as one basic element or subregion. A first extension overcame this, but required points within a group to have the same membership grade. In this contribution, we will extend this further, allowing a fuzzy region to contain subregions in which not all points have the same membership grades. The concept can be used as an underlying model in spatial applications, e.g. websites showing maps and requiring representation of imprecise features or websites with routing functions needing to handle concepts as walking distance or closeby.
机译:在许多应用中,需要考虑空间数据,但容易产生不确定性或不精确性。模糊区域-二维域上的模糊集-可以表示这种不完美的空间数据。在原始模型中,模糊区域的点被独立处理,因此无法对应将点组视为一个基本元素或子区域的区域进行建模。第一次扩展克服了这一点,但要求组内的积分具有相同的会员等级。在此贡献中,我们将进一步扩展此范围,允许模糊区域包含并非所有点都具有相同隶属度的子区域。该概念可以用作例如空间应用中的基础模型。显示地图并要求代表不精确特征的网站,或具有路由功能的网站需要处理步行距离或附近距离等概念。

著录项

  • 来源
  • 会议地点 Fribourg(CH);Fribourg(CH)
  • 作者

    Verstraete Joerg;

  • 作者单位

    Systems Research Institute - Polish Academy of Sciences,Ul. Newelska 6,01-447 Warszawa, Poland Database, Document and Content Management,Department of Telecommunications and Information Processing,Sint Pietersnieuwstraat 41, 9000 Gent, Belgium;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 计算机网络;
  • 关键词

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