ComR: a combined OWL reasoner for ontology classification

ComR: a combined OWL reasoner for ontology classification
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ComR:用于本体分类的组合 OWL 推理机

DOI:
10.1007/s11704-016-6397-2
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发表时间:
2018-02
影响因子:
4.2
通讯作者:
Fu Daoxun
Fu Daoxun
中科院分区:
计算机科学3区
文献类型:
--
作者:
Wang Changlong;Feng Zhiyong;Zhang Xiaowang;Wang Xin;Rao Guozheng;Fu Daoxun

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本体分类是计算类(原子概念)的包含层次结构的问题,是Web本体语言(OWL)推理器提供的核心推理服务。尽管通用owl2推理器采用了复杂的分类优化,但由于表达本体的表算法的高度复杂性,它们仍然效率不高。特定于概要文件的owl2 EL推理器是高效的;然而,即使本体只包含owl2 EL片段之外的少量公理,它们也会变得不完整。在本文中,我们提出了一种将owl2推理器与owl2推理器相结合的技术,用于表达性roiq的本体分类。为了优化工作负载,我们提出了一种任务分解策略,用于识别最小的非el子本体,该子本体仅包含确保完整性所需的公理。在本体分类期间,大部分工作负载被委托给高效的owl2 EL推理器,只有最小的非EL子本体由效率较低的owl2推理器处理。实验结果表明,该方法在本体分类方面具有显著的提速效果。对于著名的本体NCI,分类时间缩短了96.9% (p < 0.05)。83.7%),与标准推理颗粒(p < 0.05)相比;模块化推理器更多)。
Ontology classification, the problem of computing the subsumption hierarchies for classes (atomic concepts), is a core reasoning service provided by Web Ontology Language (OWL) reasoners. Although general-purpose OWL 2 reasoners employ sophisticated optimizations for classification, they are still not efficient owing to the high complexity of tableau algorithms for expressive ontologies. Profile-specific OWL 2 EL reasoners are efficient; however, they become incomplete even if the ontology contains only a small number of axioms that are outside the OWL 2 EL fragment. In this paper, we present a technique that combines an OWL 2 EL reasoner with an OWL 2 reasoner for ontology classification of expressiveSROIQ. To optimize the workload, we propose a task decomposition strategy for identifying the minimal non-EL subontology that contains only necessary axioms to ensure completeness. During the ontology classification, the bulk of the workload is delegated to an efficient OWL 2 EL reasoner and only the minimal non-EL subontology is handled by a less efficient OWL 2 reasoner. The proposed approach is implemented in a prototypeComRand experimental results show that our approach offers a substantial speedup in ontology classification. For the wellknown ontology NCI, the classification time is reduced by 96.9% (resp. 83.7%) compared against the standard reasoner Pellet (resp. the modular reasoner MORe).
DOI: --
发表时间: 2008
期刊: Description Logics
影响因子: --
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