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Efficiency Analysis of ASP Encodings for Sequential Pattern Mining Tasks

机译:序列模式挖掘任务asp编码效率分析

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摘要

This article presents the use of Answer Set Programming (ASP) to minesequential patterns. ASP is a high-level declarative logic programming paradigmfor high level encoding combinatorial and optimization problem solving as wellas knowledge representation and reasoning. Thus, ASP is a good candidate forimplementing pattern mining with background knowledge, which has been a datamining issue for a long time. We propose encodings of the classical sequentialpattern mining tasks within two representations of embeddings (fill-gaps vsskip-gaps) and for various kinds of patterns: frequent, constrained andcondensed. We compare the computational performance of these encodings witheach other to get a good insight into the efficiency of ASP encodings. Theresults show that the fill-gaps strategy is better on real problems due tolower memory consumption. Finally, compared to a constraint programmingapproach (CPSM), another declarative programming paradigm, our proposal showedcomparable performance.
机译:本文介绍了如何使用答案集编程(ASP)来挖掘顺序模式。 ASP是用于高级编码组合和优化问题解决以及知识表示和推理的高级声明式逻辑编程范例。因此,ASP是使用背景知识来实现​​模式挖掘的良好候选者,而背景知识早已是数据挖掘的问题。我们建议在嵌入的两种表示形式(填充间隙vsskip间隙)以及各种模式(频繁,约束和压缩)中对经典顺序模式挖掘任务进行编码。我们将这些编码的计算性能相互比较,以深入了解ASP编码的效率。结果表明,由于内存消耗较低,填充间隙策略在实际问题上更好。最后,与另一种声明性编程范例约束编程方法(CPSM)相比,我们的建议显示了可比的性能。

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