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CHR(PRISM)-based probabilistic logic learning

机译:基于CHR(PRISM)的概率逻辑学习

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摘要

PRISM is an extension of Prolog with probabilistic predicates and built-in support for expectation-maximization learning. Constraint Handling Rules (CHR) is a high-level programming language based on multi-headed multiset rewrite rules.rnIn this paper, we introduce a new probabilistic logic formalism, called CHRiSM, based on a combination of CHR and PRISM. It can be used for high-level rapid prototyping of complex statistical models by means of "chance rules". The underlying PRISM system can then be used for several probabilistic inference tasks, including probability computation and parameter learning. We define the CHRiSM language in terms of syntax and operational semantics, and illustrate it with examples. We define the notion of ambiguous programs and define a distribution semantics for unambiguous programs. Next, we describe an implementation of CHRiSM, based on CHR(PRISM). We discuss the relation between CHRiSM and other probabilistic logic programming languages, in particular PCHR. Finally, we identify potential application domains.
机译:PRISM是Prolog的扩展,具有概率谓词和对期望最大化学习的内置支持。约束处理规则(Constraint Handling Rules,CHR)是一种基于多头多集重写规则的高级编程语言。在本文中,我们介绍了一种新的概率逻辑形式主义,称为CHRiSM,它是基于CHR和PRISM的组合。它可以通过“机会规则”用于复杂统计模型的高级快速原型制作。然后可以将基础PRISM系统用于几个概率推理任务,包括概率计算和参数学习。我们根据语法和操作语义定义CHRiSM语言,并通过示例进行说明。我们定义歧义程序的概念,并为歧义程序定义分布语义。接下来,我们描述基于CHR(PRISM)的CHRiSM的实现。我们讨论了CHRiSM与其他概率逻辑编程语言(尤其是PCHR)之间的关系。最后,我们确定潜在的应用领域。

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