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arXiv cs/0608019cs.AI
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定性空间推理中的关系变量

Relation Variables in Qualitative Spatial Reasoning

Sebastian Brand

摘要:

我们研究的替代流行的方法来建模定性空间推理(QSR)问题的约束满足问题。在标准方法中,对象之间的关系是约束,而在替代方法中,它是变量。关系变量方法大大简化了QSR的集成和实现。为了证实这一点,我们讨论了几个QSR算法从文献中的关系变量的方法减少到习惯的约束传播算法执行广义弧一致性。

英文摘要:

We study an alternative to the prevailing approach to modelling qualitative spatial reasoning (QSR) problems as constraint satisfaction problems. In the standard approach, a relation between objects is a constraint whereas in the alternative approach it is a variable. The relation-variable approach greatly simplifies integration and implementation of QSR. To substantiate this point, we discuss several QSR algorithms from the literature which in the relation-variable approach reduce to the customary constraint propagation algorithm enforcing generalised arc-consistency.

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